Thetford-Mines in September
6.8out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 12 rainy days.
18°CAvg high
9°CAvg low
12Rainy days (103 mm)
12:18 hDaylight
06:30Sunrise · 18:49 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 12 rainy days
What to wear and pack
- Layers you can add or remove
- 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 | -15°C | 79 mm | 13 | – | – | 3.4 |
| February | -5°C | -13°C | 70 mm | 11 | – | – | 3.6 |
| March | 0°C | -8°C | 83 mm | 12 | – | – | 3.4 |
| April | 8°C | 0°C | 105 mm | 13 | – | – | 4.8 |
| May | 16°C | 7°C | 116 mm | 14 | – | – | 6.1 |
| June | 21°C | 12°C | 134 mm | 14 | – | – | 6.7 |
| July | 23°C | 15°C | 130 mm | 16 | – | – | 6.7 |
| August | 22°C | 14°C | 131 mm | 15 | – | – | 6.9 |
| September | 18°C | 9°C | 103 mm | 12 | – | – | 6.8 |
| October | 11°C | 3°C | 122 mm | 13 | – | – | 5.3 |
| November | 4°C | -3°C | 90 mm | 13 | – | – | 4.1 |
| December | -3°C | -10°C | 99 mm | 13 | – | – | 3.2 |
Frequently asked questions
How hot is Thetford-Mines in September?
Daytime highs average 18°C and nights about 9°C.
When is the best time to visit Thetford-Mines?
The best months are August, September, June, July.