Click on a day for an hourly weather forecast
The temperatures in Eau Claire in September are comfortable with low of 10°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Eau Claire 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 Eau Claire in September 2025.
If you’re planning to visit Eau Claire in the near future, we highly recommend that you review the 14 day weather forecast for Eau Claire before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -7° / -14° | 3 | 11 | 17 | 44 mm | Awful | Eau Claire in January |
| February | -6° / -14° | 3 | 9 | 17 | 55 mm | Awful | Eau Claire in February |
| March | 4° / -5° | 6 | 14 | 11 | 75 mm | Awful | Eau Claire in March |
| April | 10° / 1° | 8 | 15 | 7 | 136 mm | Awful | Eau Claire in April |
| May | 18° / 8° | 8 | 22 | 1 | 161 mm | Ok | Eau Claire in May |
| June | 23° / 13° | 8 | 22 | 0 | 200 mm | Good | Eau Claire in June |
| July | 26° / 16° | 7 | 24 | 0 | 125 mm | Good | Eau Claire in July |
| August | 26° / 14° | 5 | 26 | 0 | 112 mm | Perfect | Eau Claire in August |
| September | 21° / 10° | 6 | 25 | 0 | 105 mm | Good | Eau Claire in September |
| October | 13° / 4° | 6 | 23 | 2 | 100 mm | Bad | Eau Claire in October |
| November | 4° / -2° | 5 | 16 | 9 | 65 mm | Awful | Eau Claire in November |
| December | -4° / -9° | 3 | 12 | 16 | 72 mm | Awful | Eau Claire in December |