September weather in Monroe, UT
The average temperature in Monroe in September is °F (°F–°F). Average precipitation: 1.71 inches.
September is a fall month in Monroe, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 12h 14m.
Avg High
°F
Avg Low
°F
Precipitation
1.71 in
Daylight
12h 14m
September records in Monroe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 74.1°F (2019) | 33.8°F (2008) | 1.20 in (2021) |
| September 2 | 72.7°F (2022) | 31.3°F (2008) | 1.10 in (1997) |
| September 3 | 76.3°F (2022) | 40.5°F (2008) | 0.40 in (1983) |
| September 4 | 76.3°F (2020) | 40.5°F (2023) | 0.50 in (2003) |
| September 5 | 76.1°F (2020) | 41.7°F (2008) | 0.70 in (1981) |
| September 6 | 76.6°F (2020) | 36.3°F (2010) | 1.80 in (1998) |
| September 7 | 76.5°F (2022) | 40.5°F (2006) | 0.60 in (1981) |
| September 8 | 72.9°F (2021) | 24.3°F (2020) | 0.70 in (2013) |
| September 9 | 72.3°F (2021) | 23.2°F (2020) | 0.50 in (1981) |
| September 10 | 70.7°F (2018) | 30.9°F (2010) | 1.40 in (2013) |
| September 11 | 69.3°F (2018) | 34.3°F (2008) | 1.00 in (1998) |
| September 12 | 69.4°F (2015) | 34.9°F (2008) | 1.00 in (1996) |
| September 13 | 67.3°F (2021) | 39.7°F (2016) | 0.30 in (1982) |
| September 14 | 67.5°F (2019) | 34.5°F (2006) | 1.20 in (2006) |
| September 15 | 68.5°F (2019) | 33.3°F (2006) | 0.50 in (2015) |
| September 16 | 68.0°F (2020) | 25.9°F (2006) | 0.40 in (1996) |
| September 17 | 68.4°F (2010) | 22.8°F (2006) | 1.00 in (1989) |
| September 18 | 69.6°F (2010) | 30.6°F (2006) | 1.10 in (1997) |
| September 19 | 68.7°F (2010) | 36.3°F (2021) | 0.20 in (1989) |
| September 20 | 64.9°F (2014) | 27.0°F (2006) | 0.50 in (2006) |
| September 21 | 66.6°F (2020) | 27.3°F (2006) | 0.80 in (2014) |
| September 22 | 65.7°F (2015) | 22.5°F (2006) | 1.50 in (2016) |
| September 23 | 64.8°F (2015) | 21.9°F (2006) | 0.60 in (1986) |
| September 24 | 66.9°F (2020) | 24.6°F (2017) | 0.60 in (1986) |
| September 25 | 67.8°F (2024) | 25.9°F (2007) | 0.70 in (1986) |
| September 26 | 69.6°F (2010) | 25.9°F (2013) | 1.20 in (1982) |
| September 27 | 69.8°F (2010) | 24.4°F (2013) | 1.00 in (2014) |
| September 28 | 70.9°F (2024) | 27.1°F (2013) | 0.40 in (1982) |
| September 29 | 69.4°F (2024) | 29.7°F (2021) | 1.00 in (2002) |
| September 30 | 69.4°F (2010) | 18.9°F (2007) | 0.30 in (2009) |