Click on a day for an hourly weather forecast
The temperatures in Fargo in September are comfortable with low of 12°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Fargo during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Fargo in September 2025.
If you’re planning to visit Fargo in the near future, we highly recommend that you review the 14 day weather forecast for Fargo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -9° / -17° | 3 | 11 | 18 | 30 mm | Awful | Fargo in January |
| February | -8° / -16° | 2 | 10 | 16 | 32 mm | Awful | Fargo in February |
| March | 2° / -6° | 5 | 13 | 13 | 52 mm | Awful | Fargo in March |
| April | 10° / 2° | 5 | 18 | 7 | 75 mm | Bad | Fargo in April |
| May | 19° / 9° | 7 | 24 | 0 | 118 mm | Ok | Fargo in May |
| June | 24° / 14° | 8 | 22 | 0 | 152 mm | Good | Fargo in June |
| July | 28° / 16° | 6 | 25 | 0 | 97 mm | Perfect | Fargo in July |
| August | 27° / 15° | 4 | 27 | 0 | 89 mm | Perfect | Fargo in August |
| September | 22° / 12° | 4 | 26 | 0 | 62 mm | Good | Fargo in September |
| October | 12° / 5° | 6 | 22 | 3 | 82 mm | Bad | Fargo in October |
| November | 3° / -3° | 3 | 17 | 10 | 28 mm | Awful | Fargo in November |
| December | -6° / -12° | 3 | 11 | 17 | 41 mm | Awful | Fargo in December |