September weather in Wiley, CO
The average temperature in Wiley in September is 68.2°F (50.8°F–85.7°F). Average precipitation: 1.03 inches.
September is a fall month in Wiley, and is warmer than the annual average of 54°F. Daily temperatures swing about 34.9°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
85.7°F
Avg Low
50.8°F
Precipitation
1.03 in
Daylight
12h 14m
September records in Wiley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (2023) | 46.9°F (2024) | 0.41 in (2006) |
| September 2 | 105.1°F (2019) | 46.0°F (2010) | 0.03 in (2021) |
| September 3 | 104.0°F (2014) | 43.0°F (2008) | 0.87 in (2021) |
| September 4 | 102.9°F (2013) | 42.1°F (2008) | 0.43 in (2004) |
| September 5 | 104.0°F (2019) | 45.0°F (2011) | 0.34 in (2025) |
| September 6 | 107.1°F (2020) | 44.1°F (2014) | 0.17 in (2018) |
| September 7 | 102.0°F (2013) | 44.1°F (2001) | 1.11 in (2003) |
| September 8 | 100.9°F (2022) | 37.9°F (2001) | 1.00 in (2006) |
| September 9 | 100.0°F (2013) | 34.0°F (2001) | 1.26 in (2002) |
| September 10 | 102.9°F (2021) | 39.9°F (2001) | 0.50 in (2019) |
| September 11 | 104.0°F (2021) | 41.0°F (2007) | 0.47 in (2023) |
| September 12 | 100.0°F (2004) | 39.0°F (2014) | 0.73 in (2008) |
| September 13 | 100.9°F (2018) | 41.0°F (2014) | 1.58 in (2013) |
| September 14 | 100.0°F (2015) | 37.9°F (2003) | 0.55 in (1998) |
| September 15 | 100.9°F (2024) | 36.0°F (2012) | 0.46 in (2024) |
| September 16 | 100.0°F (2007) | 35.1°F (2012) | 0.07 in (2001) |
| September 17 | 100.0°F (2000) | 37.0°F (2006) | 0.75 in (2024) |
| September 18 | 100.0°F (2018) | 36.0°F (2006) | 0.01 in (1999) |
| September 19 | 102.0°F (2018) | 34.0°F (2003) | 0.18 in (2013) |
| September 20 | 98.1°F (2016) | 39.0°F (2006) | 0.08 in (2004) |
| September 21 | 97.0°F (2005) | 39.0°F (1999) | 0.92 in (2006) |
| September 22 | 97.0°F (2016) | 35.1°F (2021) | 0.47 in (2010) |
| September 23 | 95.0°F (2003) | 36.0°F (2021) | 1.08 in (2017) |
| September 24 | 99.0°F (2005) | 30.0°F (2000) | 0.77 in (2017) |
| September 25 | 100.0°F (1998) | 36.0°F (2006) | 0.23 in (2017) |
| September 26 | 99.0°F (2020) | 32.0°F (2000) | 0.05 in (2012) |
| September 27 | 96.1°F (2005) | 31.1°F (2018) | 0.76 in (2012) |
| September 28 | 97.0°F (2023) | 30.0°F (1999) | 0.19 in (2017) |
| September 29 | 97.0°F (2010) | 27.0°F (1999) | 0.55 in (2014) |
| September 30 | 98.1°F (2019) | 33.1°F (1999) | 0.08 in (1998) |