September weather in Nederland, CO
The average temperature in Nederland in September is °F (°F–°F). Average precipitation: 1.92 inches.
September is a fall month in Nederland, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 12h 15m.
Avg High
°F
Avg Low
°F
Precipitation
1.92 in
Daylight
12h 15m
September records in Nederland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 79.5°F (1995) | 35.1°F (2006) | 0.20 in (1986) |
| September 2 | 79.5°F (2019) | 23.4°F (2003) | 0.50 in (1981) |
| September 3 | 78.3°F (1998) | 23.0°F (2003) | 0.60 in (2023) |
| September 4 | 80.4°F (1995) | 29.8°F (2003) | 0.50 in (2024) |
| September 5 | 80.2°F (2020) | 31.5°F (2004) | 1.00 in (2018) |
| September 6 | 79.2°F (2020) | 34.9°F (1993) | 0.70 in (2019) |
| September 7 | 77.2°F (2022) | 26.6°F (2001) | 0.70 in (1981) |
| September 8 | 78.3°F (2022) | 17.2°F (2020) | 0.60 in (2006) |
| September 9 | 77.5°F (2021) | 17.6°F (2020) | 0.90 in (2013) |
| September 10 | 77.7°F (2021) | 26.6°F (2020) | 0.80 in (2013) |
| September 11 | 74.7°F (2021) | 23.7°F (2014) | 1.30 in (2013) |
| September 12 | 75.6°F (1990) | 20.3°F (2014) | 1.90 in (2013) |
| September 13 | 79.2°F (1990) | 21.2°F (1993) | 1.90 in (1993) |
| September 14 | 77.0°F (1990) | 20.5°F (1993) | 0.60 in (2013) |
| September 15 | 77.5°F (2000) | 27.1°F (1991) | 0.80 in (2013) |
| September 16 | 79.2°F (2000) | 22.5°F (2006) | 0.40 in (2025) |
| September 17 | 75.2°F (2000) | 20.7°F (2006) | 0.60 in (1996) |
| September 18 | 75.9°F (2018) | 24.6°F (1996) | 0.60 in (1996) |
| September 19 | 77.5°F (2010) | 22.8°F (1996) | 0.60 in (1997) |
| September 20 | 72.0°F (2022) | 18.9°F (1995) | 0.90 in (1995) |
| September 21 | 72.5°F (2010) | 13.8°F (1995) | 0.80 in (2000) |
| September 22 | 71.2°F (2007) | 14.7°F (1995) | 0.70 in (2006) |
| September 23 | 72.3°F (2003) | 19.6°F (2000) | 1.10 in (2025) |
| September 24 | 73.0°F (2003) | 17.4°F (2000) | 0.50 in (2017) |
| September 25 | 72.9°F (2001) | 19.9°F (1996) | 0.90 in (1996) |
| September 26 | 73.8°F (2010) | 16.9°F (1996) | 0.80 in (1996) |
| September 27 | 73.2°F (2001) | 13.1°F (1996) | 0.50 in (2005) |
| September 28 | 75.2°F (2010) | 17.2°F (1999) | 1.20 in (1985) |
| September 29 | 70.2°F (2018) | 30.9°F (2014) | 0.30 in (2004) |
| September 30 | 71.8°F (1989) | 20.1°F (2009) | 0.20 in (2004) |