September weather in Rifle, CO
The average temperature in Rifle in September is 59.5°F (40.6°F–78.5°F). Average precipitation: 1.42 inches.
September is a fall month in Rifle, and is warmer than the annual average of 46.4°F. Daily temperatures swing about 37.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
78.5°F
Avg Low
40.6°F
Precipitation
1.42 in
Daylight
12h 15m
September records in Rifle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2019) | 37.0°F (2010) | 0.15 in (2020) |
| September 2 | 93.0°F (2019) | 39.0°F (2010) | 0.40 in (2021) |
| September 3 | 93.9°F (2019) | 37.0°F (2010) | 0.02 in (2016) |
| September 4 | 93.0°F (2022) | 39.0°F (2010) | 0.36 in (2005) |
| September 5 | 93.0°F (2013) | 41.0°F (2012) | 0.85 in (2004) |
| September 6 | 95.0°F (2022) | 39.0°F (2016) | 0.58 in (2007) |
| September 7 | 96.1°F (2022) | 30.0°F (2010) | 0.24 in (2011) |
| September 8 | 96.1°F (2022) | 32.0°F (2010) | 0.25 in (2015) |
| September 9 | 91.0°F (2022) | 32.0°F (2020) | 0.85 in (2020) |
| September 10 | 91.0°F (2021) | 32.0°F (2016) | 1.26 in (2014) |
| September 11 | 91.9°F (2021) | 32.0°F (2010) | 0.26 in (2008) |
| September 12 | 89.1°F (2021) | 32.0°F (2010) | 0.28 in (2012) |
| September 13 | 87.1°F (2015) | 35.1°F (2010) | 0.13 in (2013) |
| September 14 | 86.0°F (2017) | 36.0°F (2014) | 0.51 in (2025) |
| September 15 | 87.1°F (2018) | 37.0°F (2012) | 0.97 in (2022) |
| September 16 | 89.1°F (2018) | 34.0°F (2016) | 0.56 in (2009) |
| September 17 | 87.1°F (2018) | 34.0°F (2016) | 0.88 in (2007) |
| September 18 | 88.0°F (2018) | 34.0°F (2016) | 0.27 in (2011) |
| September 19 | 88.0°F (2018) | 34.0°F (2016) | 0.16 in (2013) |
| September 20 | 88.0°F (2010) | 34.0°F (2013) | 0.30 in (2004) |
| September 21 | 86.0°F (2014) | 30.9°F (2021) | 0.62 in (2004) |
| September 22 | 82.9°F (2010) | 30.0°F (2021) | 0.34 in (2005) |
| September 23 | 84.0°F (2012) | 30.9°F (2019) | 0.76 in (2013) |
| September 24 | 84.9°F (2015) | 30.0°F (2023) | 1.05 in (2007) |
| September 25 | 84.9°F (2015) | 30.0°F (2017) | 0.17 in (2016) |
| September 26 | 87.1°F (2015) | 30.0°F (2017) | 0.10 in (2012) |
| September 27 | 86.0°F (2014) | 30.0°F (2017) | 0.31 in (2013) |
| September 28 | 88.0°F (2024) | 28.0°F (2013) | 0.83 in (2005) |
| September 29 | 86.0°F (2010) | 28.0°F (2020) | 0.65 in (2005) |
| September 30 | 87.1°F (2010) | 28.9°F (2013) | 0.36 in (2021) |