Willmar in September
7.9out of 10
Yes, a good time to go
Warm and comfortable: highs around 23°C. Frequent rain: about 9 rainy days.
23°CAvg high
11°CAvg low
9Rainy days (83 mm)
12:18 hDaylight
07:06Sunrise · 19:23 Sunset
Why this score
- Warm and comfortable: highs around 23°C
- Frequent rain: about 9 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.0 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -6°C | -14°C | 22 mm | 5 | – | – | 4.4 |
| February | -3°C | -12°C | 23 mm | 5 | – | – | 4.4 |
| March | 4°C | -5°C | 46 mm | 7 | – | – | 4.8 |
| April | 14°C | 2°C | 78 mm | 10 | – | – | 6.4 |
| May | 21°C | 9°C | 104 mm | 12 | – | – | 7.1 |
| June | 26°C | 15°C | 136 mm | 13 | – | – | 7.2 |
| July | 28°C | 17°C | 95 mm | 10 | – | – | 7.7 |
| August | 26°C | 16°C | 97 mm | 9 | – | – | 7.8 |
| September | 23°C | 11°C | 83 mm | 9 | – | – | 7.9 |
| October | 15°C | 4°C | 64 mm | 8 | – | – | 6.8 |
| November | 5°C | -3°C | 40 mm | 6 | – | – | 5.2 |
| December | -3°C | -11°C | 29 mm | 6 | – | – | 4.4 |
Frequently asked questions
How hot is Willmar in September?
Daytime highs average 23°C and nights about 11°C.
When is the best time to visit Willmar?
The best months are September, August, July.