September weather in Nespelem, WA
The average temperature in Nespelem in September is °F (°F–°F). Average precipitation: 1.09 inches.
September is a fall month in Nespelem, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 12h 20m.
Avg High
°F
Avg Low
°F
Precipitation
1.09 in
Daylight
12h 20m
September records in Nespelem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 82.6°F (1998) | 33.3°F (1999) | 0.60 in (2011) |
| September 2 | 85.3°F (2025) | 32.7°F (2004) | 0.30 in (2010) |
| September 3 | 85.6°F (1995) | 33.4°F (2014) | 0.20 in (2009) |
| September 4 | 84.9°F (2003) | 31.5°F (1992) | 0.00 in (1992) |
| September 5 | 83.1°F (2006) | 28.9°F (1992) | 0.20 in (2009) |
| September 6 | 82.8°F (1998) | 28.2°F (1992) | 0.70 in (2013) |
| September 7 | 80.4°F (2024) | 29.5°F (1992) | 0.10 in (1992) |
| September 8 | 79.3°F (2011) | 32.5°F (2000) | 1.50 in (2019) |
| September 9 | 79.0°F (2011) | 30.6°F (2000) | 0.40 in (2019) |
| September 10 | 79.9°F (2011) | 33.1°F (2014) | 0.60 in (2021) |
| September 11 | 83.1°F (1996) | 23.7°F (2014) | 0.50 in (2012) |
| September 12 | 79.3°F (2002) | 31.5°F (1992) | 0.60 in (2007) |
| September 13 | 77.9°F (2001) | 26.8°F (1992) | 0.10 in (2012) |
| September 14 | 81.3°F (2000) | 27.7°F (1992) | 0.30 in (2022) |
| September 15 | 79.5°F (2001) | 30.0°F (1992) | 1.40 in (1996) |
| September 16 | 79.7°F (2001) | 29.1°F (1992) | 0.60 in (1997) |
| September 17 | 76.6°F (1995) | 28.6°F (2003) | 0.60 in (1997) |
| September 18 | 77.9°F (1994) | 31.8°F (2004) | 1.10 in (2007) |
| September 19 | 77.7°F (1994) | 32.2°F (2017) | 0.30 in (2010) |
| September 20 | 73.4°F (1999) | 30.4°F (2004) | 0.60 in (2023) |
| September 21 | 74.3°F (1999) | 26.8°F (2000) | 0.30 in (2010) |
| September 22 | 75.4°F (1994) | 27.1°F (1996) | 0.50 in (2013) |
| September 23 | 77.7°F (2001) | 27.3°F (2000) | 0.70 in (2020) |
| September 24 | 80.1°F (1994) | 31.3°F (1999) | 0.20 in (2014) |
| September 25 | 77.2°F (2001) | 28.6°F (1999) | 0.30 in (2014) |
| September 26 | 76.3°F (1994) | 27.5°F (1999) | 0.40 in (2011) |
| September 27 | 77.4°F (1994) | 28.4°F (1999) | 0.90 in (2023) |
| September 28 | 75.0°F (2003) | 25.7°F (2019) | 0.80 in (2013) |
| September 29 | 73.0°F (1992) | 24.6°F (2019) | 0.80 in (2013) |
| September 30 | 72.1°F (2003) | 24.4°F (2019) | 5.00 in (1997) |