September weather in Pocatello, ID
The average temperature in Pocatello in September is 63.6°F (48.7°F–78.4°F). Average precipitation: 1.02 inches.
September is a fall month in Pocatello, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 29.7°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
78.4°F
Avg Low
48.7°F
Precipitation
1.02 in
Daylight
12h 16m
September records in Pocatello
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (2019) | 39.0°F (2006) | 0.21 in (2012) |
| September 2 | 97.0°F (2022) | 36.0°F (2010) | 0.70 in (2013) |
| September 3 | 100.0°F (2022) | 45.0°F (2010) | 1.68 in (2013) |
| September 4 | 96.1°F (2022) | 39.0°F (2014) | 0.29 in (2023) |
| September 5 | 99.0°F (2020) | 39.9°F (2008) | 0.00 in (2005) |
| September 6 | 100.9°F (2022) | 37.9°F (2010) | 0.16 in (2023) |
| September 7 | 98.1°F (2022) | 41.0°F (2010) | 0.21 in (2020) |
| September 8 | 95.0°F (2022) | 39.0°F (2020) | 0.45 in (2019) |
| September 9 | 96.1°F (2021) | 36.0°F (2020) | 0.05 in (2010) |
| September 10 | 91.0°F (2021) | 39.9°F (2022) | 0.15 in (2019) |
| September 11 | 88.0°F (2015) | 39.9°F (2014) | 0.07 in (2011) |
| September 12 | 91.0°F (2022) | 30.9°F (2014) | 0.24 in (2011) |
| September 13 | 89.1°F (2020) | 42.1°F (2012) | 0.25 in (2022) |
| September 14 | 90.0°F (2020) | 39.9°F (2005) | 0.58 in (2017) |
| September 15 | 90.0°F (2020) | 39.9°F (2016) | 0.71 in (2006) |
| September 16 | 91.0°F (2014) | 39.0°F (2006) | 0.70 in (2015) |
| September 17 | 91.0°F (2014) | 39.9°F (2006) | 0.47 in (2024) |
| September 18 | 87.1°F (2014) | 37.9°F (2006) | 0.20 in (2014) |
| September 19 | 88.0°F (2009) | 39.0°F (2005) | 0.23 in (2021) |
| September 20 | 88.0°F (2005) | 37.9°F (2017) | 0.89 in (2023) |
| September 21 | 84.9°F (2015) | 37.0°F (2021) | 1.54 in (2017) |
| September 22 | 87.1°F (2012) | 39.0°F (2006) | 0.68 in (2016) |
| September 23 | 86.0°F (2011) | 30.9°F (2006) | 0.42 in (2016) |
| September 24 | 88.0°F (2015) | 35.1°F (2006) | 0.03 in (2012) |
| September 25 | 91.0°F (2015) | 34.0°F (2018) | 0.07 in (2013) |
| September 26 | 90.0°F (2010) | 37.0°F (2017) | 0.18 in (2014) |
| September 27 | 87.1°F (2010) | 36.0°F (2017) | 0.69 in (2014) |
| September 28 | 91.0°F (2024) | 34.0°F (2020) | 0.42 in (2019) |
| September 29 | 87.1°F (2010) | 33.1°F (2021) | 0.38 in (2019) |
| September 30 | 89.1°F (2011) | 30.9°F (2019) | 0.74 in (2009) |