September weather in Fargo, ND
The average temperature in Fargo in September is 59.5°F (47.3°F–71.6°F). Average precipitation: 2.50 inches.
September is a fall month in Fargo, and is warmer than the annual average of 41.4°F. Daily temperatures swing about 24.3°F between overnight low and afternoon high. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
71.6°F
Avg Low
47.3°F
Precipitation
2.50 in
Daylight
12h 19m
September records in Fargo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (2022) | 48.9°F (2024) | 0.01 in (2019) |
| September 2 | 91.0°F (2023) | 48.0°F (2024) | 2.57 in (2021) |
| September 3 | 93.0°F (2023) | 46.0°F (2025) | 0.05 in (2021) |
| September 4 | 93.0°F (2023) | 37.9°F (2025) | 0.07 in (2025) |
| September 5 | 82.0°F (2016) | 44.1°F (2025) | 0.21 in (2016) |
| September 6 | 86.0°F (2021) | 41.0°F (2017) | 0.02 in (2016) |
| September 7 | 87.1°F (2022) | 37.0°F (2025) | 0.29 in (2019) |
| September 8 | 84.0°F (2017) | 36.0°F (2020) | 1.52 in (2016) |
| September 9 | 84.9°F (2024) | 32.0°F (2020) | 1.16 in (2019) |
| September 10 | 84.0°F (2021) | 34.0°F (2020) | 0.02 in (2018) |
| September 11 | 82.9°F (2017) | 36.0°F (2020) | 0.29 in (2020) |
| September 12 | 86.0°F (2024) | 43.0°F (2022) | 0.67 in (2019) |
| September 13 | 90.0°F (2017) | 39.9°F (2023) | 0.40 in (2021) |
| September 14 | 88.0°F (2025) | 34.0°F (2016) | 0.06 in (2023) |
| September 15 | 84.9°F (2024) | 34.0°F (2016) | 0.05 in (2018) |
| September 16 | 88.0°F (2024) | 39.9°F (2020) | 0.12 in (2017) |
| September 17 | 91.9°F (2018) | 41.0°F (2020) | 0.74 in (2016) |
| September 18 | 82.0°F (2023) | 39.9°F (2020) | 0.47 in (2025) |
| September 19 | 84.0°F (2023) | 43.0°F (2018) | 0.41 in (2025) |
| September 20 | 87.1°F (2019) | 46.9°F (2016) | 0.42 in (2017) |
| September 21 | 82.9°F (2020) | 43.0°F (2018) | 1.72 in (2018) |
| September 22 | 84.0°F (2020) | 39.9°F (2018) | 0.00 in (2016) |
| September 23 | 86.0°F (2017) | 41.0°F (2018) | 0.96 in (2023) |
| September 24 | 78.1°F (2025) | 45.0°F (2018) | 0.87 in (2017) |
| September 25 | 84.9°F (2024) | 43.0°F (2018) | 0.47 in (2017) |
| September 26 | 86.0°F (2024) | 39.0°F (2018) | 0.30 in (2017) |
| September 27 | 80.1°F (2021) | 37.0°F (2022) | 0.37 in (2017) |
| September 28 | 89.1°F (2021) | 32.0°F (2022) | 0.01 in (2019) |
| September 29 | 90.0°F (2025) | 28.9°F (2018) | 0.43 in (2019) |
| September 30 | 82.9°F (2025) | 34.0°F (2018) | 0.83 in (2021) |