Wheaton in September
8.0out of 10
Yes, a good time to go
Warm and comfortable: highs around 24°C. Some rain: about 8 rainy days.
24°CAvg high
14°CAvg low
8Rainy days (75 mm)
12:16 hDaylight
06:39Sunrise · 18:55 Sunset
Why this score
- Warm and comfortable: highs around 24°C
- Some rain: about 8 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 (±3.5 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 | 0°C | -7°C | 54 mm | 9 | – | – | 3.9 |
| February | 2°C | -6°C | 50 mm | 7 | – | – | 4.5 |
| March | 9°C | -1°C | 68 mm | 10 | – | – | 5.4 |
| April | 16°C | 5°C | 111 mm | 12 | – | – | 6.3 |
| May | 22°C | 11°C | 114 mm | 13 | – | – | 7.1 |
| June | 27°C | 17°C | 106 mm | 12 | – | – | 7.4 |
| July | 29°C | 19°C | 95 mm | 11 | – | – | 7.5 |
| August | 28°C | 18°C | 94 mm | 11 | – | – | 7.6 |
| September | 24°C | 14°C | 75 mm | 8 | – | – | 8.0 |
| October | 17°C | 7°C | 79 mm | 9 | – | – | 7.1 |
| November | 9°C | 1°C | 64 mm | 8 | – | – | 5.8 |
| December | 3°C | -4°C | 55 mm | 8 | – | – | 4.5 |
Frequently asked questions
How hot is Wheaton in September?
Daytime highs average 24°C and nights about 14°C.
When is the best time to visit Wheaton?
The best months are September, August, July, June.