Weather on September 19 at North Cascades
North Cascades National Park
Based on 54 years of data from Seattle, WA
Elevation Note: North Cascades sits at 4,200 ft. Expect temperatures 15°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.
Planning Your Visit
September 19th in North Cascades National Park (via Seattle, WA) typically brings mild fall weather, with average highs around 69°F and lows near 53°F. Over 54 years of records, the warmest September 19th was in 2014 (71°F average), while the coldest was 1972 (52°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 19th dates historically, with the wettest September 19th recording 1.22" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 19th in North Cascades? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 74°F | 53°F | 0" | -- |
| 2024 | 71°F | 54°F | 0" | -- |
| 2023 | 67°F | 53°F | 0" | -- |
| 2022 | 74°F | 48°F | 0" | -- |
| 2021 | 65°F | 52°F | 0" | -- |
| 2020 | 73°F | 61°F | 0.03" | -- |
| 2019 | 71°F | 52°F | 0" | -- |
| 2018 | 68°F | 47°F | 0.1" | -- |
| 2017 | 61°F | 50°F | 0.69" | -- |
| 2016 | 71°F | 54°F | 0.03" | -- |
| 2015 | 74°F | 60°F | 0" | -- |
| 2014 | 78°F | 65°F | 0" | -- |
| 2013 | 79°F | 50°F | 0" | -- |
| 2012 | 72°F | 53°F | 0" | -- |
| 2011 | 69°F | 54°F | 0.1" | -- |
| 2010 | 69°F | 61°F | 1.22" | -- |
| 2009 | 64°F | 57°F | 1.04" | -- |
| 2008 | 61°F | 56°F | 0" | -- |
| 2007 | 64°F | 50°F | 0" | -- |
| 2006 | 61°F | 52°F | 0.71" | -- |
| 2005 | 69°F | 51°F | 0" | -- |
| 2004 | 61°F | 48°F | 0.03" | -- |
| 2003 | 64°F | 55°F | 0.48" | -- |
| 2002 | 71°F | 52°F | 0.03" | -- |
| 2001 | 66°F | 55°F | 0" | -- |
| 2000 | 71°F | 58°F | 0.15" | -- |
| 1999 | 82°F | 55°F | 0" | -- |
| 1997 | 70°F | 49°F | 0" | 0" |
| 1996 | 59°F | 52°F | 0.33" | 0" |
| 1995 | 75°F | 55°F | 0" | 0" |
| 1994 | 78°F | 54°F | 0" | 0" |
| 1993 | 65°F | 50°F | 0" | 0" |
| 1992 | 70°F | 52°F | 0" | 0" |
| 1991 | 72°F | 55°F | 0" | 0" |
| 1990 | 69°F | 55°F | 0" | 0" |
| 1989 | 67°F | 47°F | 0" | 0" |
| 1988 | 62°F | 52°F | 0.15" | 0" |
| 1987 | 76°F | 49°F | 0" | 0" |
| 1986 | 69°F | 51°F | 0" | 0" |
| 1985 | 64°F | 50°F | 0" | 0" |
| 1984 | 68°F | 54°F | 0" | 0" |
| 1983 | 63°F | 45°F | 0" | 0" |
| 1982 | 69°F | 58°F | 0" | 0" |
| 1981 | 66°F | 53°F | 0.86" | 0" |
| 1980 | 62°F | 56°F | 0.43" | 0" |
| 1979 | 69°F | 62°F | 0" | 0" |
| 1978 | 66°F | 47°F | 0" | 0" |
| 1977 | 65°F | 57°F | 0.64" | 0" |
| 1976 | 73°F | 56°F | 0" | 0" |
| 1975 | 78°F | 49°F | 0" | 0" |
| 1974 | 79°F | 58°F | 0" | 0" |
| 1973 | 62°F | 54°F | 0.74" | 0" |
| 1972 | 56°F | 48°F | 0.33" | 0" |
| 1971 | 73°F | 52°F | 0" | 0" |