https://weatheronthisday.com/today Weather On This Day en 2026-09-21 September 21 Weather History: When Paradise Turned Chilly: Honolulu's Coolest September Day https://weatheronthisday.com/news/tropical-storm-polo-2026 Weather On This Day en 2026-09-21T18:00:03+00:00 Hurricane Polo https://weatheronthisday.com/news/tropical-storm-fay-2026 Weather On This Day en 2026-09-21T15:00:03+00:00 Tropical Storm Fay https://weatheronthisday.com/news/tropical-storm-odalys-2026 Weather On This Day en 2026-09-21T15:00:03+00:00 Tropical Storm Odalys https://weatheronthisday.com/news/hagen-fire-2026 Weather On This Day en 2026-09-20T23:30:02+00:00 Hagen Fire https://weatheronthisday.com/news/sinlahekin-fire-2026 Weather On This Day en 2026-09-20T01:30:03+00:00 Sinlahekin Fire https://weatheronthisday.com/news/grasshopper-fire-2026 Weather On This Day en 2026-09-20T01:00:01+00:00 Grasshopper Fire https://weatheronthisday.com/news/0587-shingle-fire-2026 Weather On This Day en 2026-09-19T00:30:03+00:00 0587 Shingle Fire https://weatheronthisday.com/news/little-giant-fire-2026 Weather On This Day en 2026-09-17T22:30:02+00:00 Little Giant Fire https://weatheronthisday.com/news/bench-fire-2026 Weather On This Day en 2026-09-16T16:30:02+00:00 Bench Fire https://weatheronthisday.com/news/widemouth-2-fire-2026 Weather On This Day en 2026-09-15T17:00:03+00:00 Widemouth 2 Fire https://weatheronthisday.com/news/hay-creek-complex-fire-2026 Weather On This Day en 2026-09-14T20:30:02+00:00 Hay Creek Complex Fire https://weatheronthisday.com/news/aspen-acres-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Aspen Acres Fire https://weatheronthisday.com/news/rowe-creek-complex-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Rowe Creek Complex Fire https://weatheronthisday.com/news/kaiser-canyon-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Kaiser Canyon Fire https://weatheronthisday.com/news/0476-hoag-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 0476 Hoag Fire https://weatheronthisday.com/news/0445-crosswhite-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 0445 Crosswhite Fire https://weatheronthisday.com/news/0433-brewer-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 0433 Brewer Fire https://weatheronthisday.com/news/0449-porcupine-ridge-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 0449 Porcupine Ridge Fire https://weatheronthisday.com/news/coleman-creek-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Coleman Creek Fire https://weatheronthisday.com/news/second-flat-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Second Flat Fire https://weatheronthisday.com/news/fox-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Fox Fire https://weatheronthisday.com/news/bald-mountain-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Bald Mountain Fire https://weatheronthisday.com/news/modrite-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Modrite Fire https://weatheronthisday.com/news/mouse-meadow-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Mouse Meadow Fire https://weatheronthisday.com/news/tatlanika-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Tatlanika Fire https://weatheronthisday.com/news/wrights-spring-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Wrights Spring Fire https://weatheronthisday.com/news/sand-creek-fire-2026 Weather On This Day en 2026-09-20T23:30:02+00:00 Sand Creek Fire https://weatheronthisday.com/news/timber-fire-2026 Weather On This Day en 2026-09-17T23:30:02+00:00 Timber Fire https://weatheronthisday.com/news/ptarmigan-fire-2026 Weather On This Day en 2026-09-12T07:00:03+00:00 Ptarmigan Fire https://weatheronthisday.com/trends/hottest-summer-on-record Weather On This Day en 2026-09-20 Summer 2026 Was the Hottest US Summer on Record — Our Station Data Shows It Was a Western Story https://weatheronthisday.com/city/new-york-city/today Weather On This Day en 2026-09-21 NYC's September 21 Swings 43 Degrees from Record Cold to Hot https://weatheronthisday.com/city/los-angeles/today Weather On This Day en 2026-09-21 Los Angeles hits 96°F on September 21, 1972 https://weatheronthisday.com/city/chicago/today Weather On This Day en 2026-09-21 Chicago hits 91°F on September 21, shattering typical early fall warmth https://weatheronthisday.com/city/houston/today Weather On This Day en 2026-09-21 Houston hits 97°F on Sept. 21, 2005 in record-breaking heat https://weatheronthisday.com/city/phoenix/today Weather On This Day en 2026-09-21 Phoenix's September 21: Record Heat at 107°F Dominates History https://weatheronthisday.com/city/philadelphia/today Weather On This Day en 2026-09-21 Philadelphia hits 89°F record high on September 21, 1989 https://weatheronthisday.com/city/san-antonio/today Weather On This Day en 2026-09-21 San Antonio hit 99°F on this date in 2023 https://weatheronthisday.com/city/san-diego/today Weather On This Day en 2026-09-21 San Diego hits record 87°F on September 21, 1978 https://weatheronthisday.com/city/dallas/today Weather On This Day en 2026-09-21 Dallas hits 99°F on this date in 1980, a sweltering September record https://weatheronthisday.com/city/austin/today Weather On This Day en 2026-09-21 Austin hits 99°F on Sept 21, breaking the warm weather pattern https://weatheronthisday.com/city/jacksonville/today Weather On This Day en 2026-09-21 Jacksonville hits 96°F on Sept 21, 1988 record high https://weatheronthisday.com/city/columbus/today Weather On This Day en 2026-09-21 Columbus hits 92°F on September 21, breaking temperature record https://weatheronthisday.com/city/charlotte/today Weather On This Day en 2026-09-21 Charlotte hits 92°F on September 21, 2010, shattering record high https://weatheronthisday.com/city/san-francisco/today Weather On This Day en 2026-09-21 San Francisco's 97-degree September anomaly marks warmest fall day on record https://weatheronthisday.com/city/indianapolis/today Weather On This Day en 2026-09-21 Indianapolis hits 94°F on September 21, 2024 https://weatheronthisday.com/city/seattle/today Weather On This Day en 2026-09-21 Seattle hits 84°F on record-breaking September 21 in 1974 https://weatheronthisday.com/city/denver/today Weather On This Day en 2026-09-21 Denver's September 21 hits record heat of 95°F in 2022 https://weatheronthisday.com/city/boston/today Weather On This Day en 2026-09-21 Boston hits 88°F record on September 21, 1978 https://weatheronthisday.com/city/detroit/today Weather On This Day en 2026-09-21 Detroit hit 90°F on this date in 1998, breaking summer heat https://weatheronthisday.com/city/nashville/today Weather On This Day en 2026-09-21 Nashville hit 99°F on September 21, 2022 https://weatheronthisday.com/city/portland/today Weather On This Day en 2026-09-21 Portland reaches near-record 92°F on September 21, 1974 https://weatheronthisday.com/city/memphis/today Weather On This Day en 2026-09-21 Memphis hits 102°F on Sept. 21, shattering century heat record https://weatheronthisday.com/city/oklahoma-city/today Weather On This Day en 2026-09-21 Oklahoma City hit 97°F on Sept 21, 1980 in scorching record https://weatheronthisday.com/city/las-vegas/today Weather On This Day en 2026-09-21 Las Vegas hits 103°F record on September 21, 1974 https://weatheronthisday.com/city/louisville/today Weather On This Day en 2026-09-21 Louisville hit 98°F on this September day in 2010 https://weatheronthisday.com/city/baltimore/today Weather On This Day en 2026-09-21 Baltimore's Sept 21 record high reaches 94°F in 1998 https://weatheronthisday.com/city/milwaukee/today Weather On This Day en 2026-09-21 Milwaukee's September 21 record high of 88°F shows fall's warm potential https://weatheronthisday.com/city/albuquerque/today Weather On This Day en 2026-09-21 Albuquerque reaches toward 90 degrees on September 21 https://weatheronthisday.com/city/tucson/today Weather On This Day en 2026-09-21 Tucson hits 102°F record on September 21, 1993 https://weatheronthisday.com/city/sacramento/today Weather On This Day en 2026-09-21 Sacramento hits 102°F on September 21, 2015 record https://weatheronthisday.com/city/atlanta/today Weather On This Day en 2026-09-21 Atlanta swings 46 degrees: Sept 21 temperature extremes revealed https://weatheronthisday.com/city/kansas-city/today Weather On This Day en 2026-09-21 Kansas City hit 97°F on this September day in 1980 https://weatheronthisday.com/city/raleigh/today Weather On This Day en 2026-09-21 Raleigh hits 93°F on September 21, setting record high in 1997 https://weatheronthisday.com/city/miami/today Weather On This Day en 2026-09-21 Miami's Sept 21 record extremes both set in 1989 https://weatheronthisday.com/city/minneapolis/today Weather On This Day en 2026-09-21 Minneapolis hits 88°F on Sept 21 in rare 2005 warmth https://weatheronthisday.com/city/tampa/today Weather On This Day en 2026-09-21 Tampa hits 95°F record on September 21, 1990 https://weatheronthisday.com/city/new-orleans/today Weather On This Day en 2026-09-21 New Orleans hit 98°F on this date in 2005 https://weatheronthisday.com/city/cleveland/today Weather On This Day en 2026-09-21 Cleveland's September 21: 92°F record set in 2018 https://weatheronthisday.com/city/honolulu/today Weather On This Day en 2026-09-21 Honolulu: Record lows and tropical consistency on September 21 https://weatheronthisday.com/city/cincinnati/today Weather On This Day en 2026-09-21 Cincinnati hits 96°F on September 21, 2024, breaking heat record https://weatheronthisday.com/city/st-louis/today Weather On This Day en 2026-09-21 St. Louis hit 97°F on this September day in 2022 https://weatheronthisday.com/city/pittsburgh/today Weather On This Day en 2026-09-21 Pittsburgh hits record 91°F on September 21, 2016 https://weatheronthisday.com/city/anchorage/today Weather On This Day en 2026-09-21 Anchorage hits 69°F on warmest September 21 on record https://weatheronthisday.com/city/orlando/today Weather On This Day en 2026-09-21 Orlando hits 95°F record high on September 21, 1988 https://weatheronthisday.com/city/richmond/today Weather On This Day en 2026-09-21 Richmond hits 94°F record on this September day in 1980 https://weatheronthisday.com/city/boise/today Weather On This Day en 2026-09-21 Boise hits 89°F on Sept 21, defying autumn chill https://weatheronthisday.com/city/des-moines/today Weather On This Day en 2026-09-21 Des Moines hit 93°F on this September day in 2005 https://weatheronthisday.com/city/birmingham/today Weather On This Day en 2026-09-21 Birmingham hits 98°F on September 21, 2010 record high https://weatheronthisday.com/city/salt-lake-city/today Weather On This Day en 2026-09-21 Salt Lake City hit 90°F on this September day in 2013 https://weatheronthisday.com/city/fargo/today Weather On This Day en 2026-09-21 Fargo hits 91°F on Sept 21, shattering typical 66°F average