Brest in September
7.2out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 10 rainy days.
18°CAvg high
9°CAvg low
10Rainy days (60 mm)
12:23 hDaylight
07:08Sunrise · 19:31 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 10 rainy days
- Rain varies a lot between years (±4.1 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 (±4.1 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 | -5°C | 36 mm | 9 | – | – | 3.8 |
| February | 1°C | -4°C | 35 mm | 10 | – | – | 4.0 |
| March | 6°C | -2°C | 41 mm | 10 | – | – | 4.9 |
| April | 14°C | 3°C | 47 mm | 10 | – | – | 6.4 |
| May | 19°C | 8°C | 73 mm | 12 | – | – | 7.0 |
| June | 22°C | 12°C | 70 mm | 12 | – | – | 7.5 |
| July | 25°C | 14°C | 84 mm | 13 | – | – | 7.3 |
| August | 24°C | 13°C | 65 mm | 10 | – | – | 7.7 |
| September | 18°C | 9°C | 60 mm | 10 | – | – | 7.2 |
| October | 12°C | 4°C | 45 mm | 9 | – | – | 6.2 |
| November | 6°C | 1°C | 39 mm | 9 | – | – | 5.1 |
| December | 1°C | -3°C | 40 mm | 10 | – | – | 4.0 |
Frequently asked questions
How hot is Brest in September?
Daytime highs average 18°C and nights about 9°C.
When is the best time to visit Brest?
The best months are August, June, July, September.