September weather in Glendo, WY
The average temperature in Glendo in September is 61.9°F (47.1°F–76.6°F). Average precipitation: 1.15 inches.
September is a fall month in Glendo, and is warmer than the annual average of 47.8°F. Daily temperatures swing about 29.5°F between overnight low and afternoon high. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
76.6°F
Avg Low
47.1°F
Precipitation
1.15 in
Daylight
12h 16m
September records in Glendo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2022) | 46.0°F (2014) | 0.01 in (2014) |
| September 2 | 98.1°F (2019) | 44.1°F (2014) | 0.13 in (2013) |
| September 3 | 93.9°F (2024) | 51.1°F (2020) | 0.30 in (2016) |
| September 4 | 100.0°F (2022) | 51.1°F (2014) | 0.07 in (2024) |
| September 5 | 99.0°F (2020) | 45.0°F (2017) | 0.01 in (2014) |
| September 6 | 98.1°F (2022) | 39.0°F (2017) | 0.11 in (2019) |
| September 7 | 99.0°F (2022) | 33.1°F (2020) | 0.28 in (2020) |
| September 8 | 89.1°F (2022) | 30.0°F (2020) | 0.36 in (2020) |
| September 9 | 95.0°F (2021) | 28.9°F (2020) | 0.38 in (2020) |
| September 10 | 96.1°F (2021) | 28.0°F (2020) | 0.11 in (2019) |
| September 11 | 93.0°F (2025) | 32.0°F (2014) | 0.57 in (2013) |
| September 12 | 96.1°F (2018) | 30.0°F (2014) | 0.13 in (2014) |
| September 13 | 91.9°F (2018) | 32.0°F (2014) | 0.08 in (2013) |
| September 14 | 89.1°F (2015) | 36.0°F (2014) | 0.17 in (2016) |
| September 15 | 93.0°F (2018) | 37.0°F (2014) | 0.18 in (2017) |
| September 16 | 91.0°F (2018) | 42.1°F (2016) | 0.07 in (2024) |
| September 17 | 88.0°F (2018) | 37.0°F (2017) | 0.69 in (2025) |
| September 18 | 91.9°F (2014) | 44.1°F (2012) | 0.05 in (2015) |
| September 19 | 89.1°F (2022) | 39.9°F (2015) | 0.00 in (2012) |
| September 20 | 89.1°F (2016) | 37.0°F (2013) | 0.15 in (2021) |
| September 21 | 88.0°F (2017) | 37.9°F (2018) | 0.06 in (2025) |
| September 22 | 87.1°F (2020) | 36.0°F (2021) | 0.05 in (2017) |
| September 23 | 87.1°F (2018) | 39.9°F (2019) | 0.27 in (2013) |
| September 24 | 89.1°F (2020) | 39.0°F (2013) | 0.27 in (2017) |
| September 25 | 91.9°F (2024) | 39.0°F (2017) | 0.07 in (2017) |
| September 26 | 91.9°F (2024) | 33.1°F (2018) | 0.00 in (2012) |
| September 27 | 90.0°F (2021) | 36.0°F (2013) | 0.16 in (2019) |
| September 28 | 91.9°F (2024) | 34.0°F (2013) | 0.40 in (2014) |
| September 29 | 93.9°F (2024) | 37.0°F (2018) | 0.48 in (2014) |
| September 30 | 81.0°F (2015) | 37.9°F (2021) | 0.12 in (2014) |