Weather on September 13 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 13th in North Cascades National Park (via Seattle, WA) typically brings pleasant fall weather, with average highs around 72°F and lows near 54°F. Over 54 years of records, the warmest September 13th was in 1979 (70°F average), while the coldest was 1992 (53°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 13th dates historically, with the wettest September 13th recording 0.58" 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 13th in North Cascades? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 77°F | 58°F | 0" | -- |
| 2024 | 67°F | 54°F | 0.1" | -- |
| 2023 | 72°F | 55°F | 0" | -- |
| 2022 | 70°F | 62°F | 0" | -- |
| 2021 | 69°F | 56°F | 0" | -- |
| 2020 | 65°F | 50°F | 0" | -- |
| 2019 | 71°F | 61°F | 0" | -- |
| 2018 | 70°F | 55°F | 0.48" | -- |
| 2017 | 70°F | 54°F | 0" | -- |
| 2016 | 75°F | 52°F | 0" | -- |
| 2015 | 72°F | 58°F | 0.08" | -- |
| 2014 | 83°F | 53°F | 0" | -- |
| 2013 | 68°F | 60°F | 0" | -- |
| 2012 | 77°F | 51°F | 0" | -- |
| 2011 | 66°F | 59°F | 0" | -- |
| 2010 | 70°F | 59°F | 0" | -- |
| 2009 | 80°F | 57°F | 0" | -- |
| 2008 | 73°F | 51°F | 0" | -- |
| 2007 | 70°F | 55°F | 0" | -- |
| 2006 | 63°F | 52°F | 0" | -- |
| 2005 | 73°F | 51°F | 0" | -- |
| 2004 | 68°F | 54°F | 0.58" | -- |
| 2003 | 73°F | 46°F | 0.03" | -- |
| 2002 | 79°F | 58°F | 0" | -- |
| 2001 | 77°F | 54°F | 0" | -- |
| 2000 | 77°F | 55°F | 0" | -- |
| 1999 | 83°F | 53°F | 0" | -- |
| 1997 | 68°F | 50°F | 0.41" | 0" |
| 1996 | 65°F | 58°F | 0.36" | 0" |
| 1995 | 80°F | 55°F | 0" | 0" |
| 1994 | 73°F | 51°F | 0.03" | 0" |
| 1993 | 74°F | 49°F | 0" | 0" |
| 1992 | 62°F | 45°F | 0" | 0" |
| 1991 | 66°F | 50°F | 0" | 0" |
| 1990 | 72°F | 52°F | 0" | 0" |
| 1989 | 80°F | 53°F | 0" | 0" |
| 1988 | 80°F | 54°F | 0" | 0" |
| 1987 | 67°F | 56°F | 0.2" | 0" |
| 1986 | 61°F | 54°F | 0.36" | 0" |
| 1985 | 67°F | 55°F | 0.33" | 0" |
| 1984 | 69°F | 51°F | 0" | 0" |
| 1983 | 73°F | 53°F | 0" | 0" |
| 1982 | 67°F | 54°F | 0" | 0" |
| 1981 | 72°F | 50°F | 0" | 0" |
| 1980 | 59°F | 54°F | 0.18" | 0" |
| 1979 | 84°F | 55°F | 0" | 0" |
| 1978 | 61°F | 52°F | 0" | 0" |
| 1977 | 74°F | 53°F | 0" | 0" |
| 1976 | 71°F | 52°F | 0.08" | 0" |
| 1975 | 79°F | 55°F | 0" | 0" |
| 1974 | 81°F | 50°F | 0" | 0" |
| 1973 | 71°F | 50°F | 0" | 0" |
| 1972 | 76°F | 53°F | 0" | 0" |
| 1971 | 67°F | 55°F | 0" | 0" |