September weather in Bear River, WY
The average temperature in Bear River in September is 56.3°F (42.8°F–69.9°F). Average precipitation: 1.01 inches.
September is a fall month in Bear River, and is warmer than the annual average of 42.4°F. Daily temperatures swing about 27.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
69.9°F
Avg Low
42.8°F
Precipitation
1.01 in
Daylight
12h 16m
September records in Bear River
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (2022) | 32.0°F (2008) | 0.76 in (2012) |
| September 2 | 88.0°F (2019) | 32.0°F (2008) | 0.22 in (1999) |
| September 3 | 91.0°F (2022) | 36.0°F (1999) | 0.33 in (1999) |
| September 4 | 91.9°F (2022) | 33.1°F (1999) | 0.67 in (2023) |
| September 5 | 91.0°F (2022) | 36.0°F (1999) | 0.08 in (2003) |
| September 6 | 91.9°F (2022) | 28.2°F (2010) | 0.40 in (2003) |
| September 7 | 93.9°F (2022) | 33.1°F (2020) | 0.10 in (2014) |
| September 8 | 86.0°F (2021) | 25.2°F (2020) | 0.29 in (2019) |
| September 9 | 88.0°F (2021) | 25.2°F (2020) | 0.46 in (2014) |
| September 10 | 82.9°F (2021) | 33.1°F (2010) | 0.26 in (2001) |
| September 11 | 82.9°F (2015) | 31.1°F (2010) | 0.35 in (2013) |
| September 12 | 84.0°F (2015) | 27.1°F (2014) | 0.27 in (2013) |
| September 13 | 82.0°F (2015) | 30.9°F (2005) | 0.27 in (2016) |
| September 14 | 82.9°F (2000) | 30.9°F (2003) | 0.54 in (2009) |
| September 15 | 84.9°F (2000) | 30.0°F (2004) | 0.60 in (2006) |
| September 16 | 82.9°F (2000) | 29.1°F (2006) | 0.38 in (2015) |
| September 17 | 81.0°F (2010) | 26.2°F (2006) | 0.51 in (2011) |
| September 18 | 82.0°F (2014) | 25.0°F (2003) | 0.08 in (2021) |
| September 19 | 82.9°F (2010) | 32.0°F (2003) | 0.63 in (1999) |
| September 20 | 80.1°F (2016) | 30.0°F (2004) | 0.38 in (2006) |
| September 21 | 80.1°F (2001) | 30.0°F (2004) | 0.74 in (2023) |
| September 22 | 81.0°F (2015) | 24.1°F (2000) | 0.85 in (2016) |
| September 23 | 80.1°F (2001) | 21.9°F (2000) | 0.14 in (2000) |
| September 24 | 82.0°F (2001) | 19.9°F (2000) | 0.25 in (2016) |
| September 25 | 82.9°F (2015) | 19.9°F (2000) | 0.12 in (2013) |
| September 26 | 81.0°F (2015) | 28.9°F (2005) | 0.02 in (2013) |
| September 27 | 81.0°F (2010) | 24.1°F (1999) | 1.55 in (2014) |
| September 28 | 84.0°F (2010) | 19.9°F (1999) | 0.74 in (2014) |
| September 29 | 84.9°F (2024) | 25.0°F (1999) | 0.19 in (2019) |
| September 30 | 80.1°F (2010) | 23.2°F (2007) | 0.32 in (2009) |