September weather in Wellington, CO
The average temperature in Wellington in September is 61.9°F (46.7°F–77.1°F). Average precipitation: 1.36 inches. Average snowfall is 0.6 inches.
September is a fall month in Wellington, and is warmer than the annual average of 49.3°F. Daily temperatures swing about 30.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
77.1°F
Avg Low
46.7°F
Precipitation
1.36 in
Snow
0.6 in
September records in Wellington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (2019) | 44.1°F (2005) | 0.65 in (1999) |
| September 2 | 100.0°F (2019) | 42.1°F (2006) | 0.47 in (1993) |
| September 3 | 97.0°F (2017) | 37.9°F (1993) | 0.02 in (1995) |
| September 4 | 93.9°F (1998) | 42.1°F (2008) | 0.48 in (2004) |
| September 5 | 98.1°F (2019) | 43.0°F (2011) | 0.18 in (2014) |
| September 6 | 98.1°F (2020) | 44.1°F (2010) | 0.16 in (2007) |
| September 7 | 97.0°F (2019) | 37.0°F (2010) | 0.28 in (2001) |
| September 8 | 95.0°F (2013) | 30.9°F (2020) | 0.69 in (2020) |
| September 9 | 91.0°F (1998) | 30.9°F (2020) | 0.58 in (2013) |
| September 10 | 93.0°F (1994) | 37.0°F (2016) | 1.08 in (2013) |
| September 11 | 93.0°F (2018) | 35.1°F (2014) | 1.02 in (2013) |
| September 12 | 91.9°F (2018) | 35.1°F (2014) | 1.25 in (2013) |
| September 13 | 93.9°F (2018) | 30.0°F (2014) | 0.91 in (1993) |
| September 14 | 91.0°F (2015) | 28.0°F (1993) | 0.69 in (1996) |
| September 15 | 91.9°F (2018) | 34.0°F (1993) | 0.83 in (2013) |
| September 16 | 95.0°F (2000) | 36.0°F (1991) | 0.08 in (2006) |
| September 17 | 93.9°F (2000) | 33.1°F (2006) | 0.18 in (1993) |
| September 18 | 90.0°F (2004) | 35.1°F (2003) | 0.76 in (1993) |
| September 19 | 91.0°F (2016) | 33.1°F (1991) | 1.19 in (1997) |
| September 20 | 89.1°F (2010) | 32.0°F (1995) | 0.71 in (1995) |
| September 21 | 88.0°F (2015) | 30.0°F (1995) | 0.80 in (2004) |
| September 22 | 86.0°F (2007) | 23.0°F (1995) | 0.28 in (2000) |
| September 23 | 88.0°F (1992) | 30.0°F (2000) | 0.60 in (2017) |
| September 24 | 87.1°F (2011) | 26.1°F (2000) | 1.03 in (2007) |
| September 25 | 88.0°F (2011) | 25.0°F (2000) | 0.52 in (2012) |
| September 26 | 91.0°F (2001) | 32.0°F (1996) | 0.43 in (2012) |
| September 27 | 91.0°F (2001) | 27.0°F (1996) | 0.26 in (2017) |
| September 28 | 89.1°F (1994) | 28.0°F (1999) | 0.40 in (2017) |
| September 29 | 87.1°F (1994) | 27.0°F (1999) | 0.52 in (1995) |
| September 30 | 84.9°F (2005) | 34.0°F (2003) | 1.05 in (2004) |