Landerneau in September
7.2out of 10
Possible, with caveats
Mild: highs around 19°C. Frequent rain: about 10 rainy days.
19°CAvg high
12°CAvg low
10Rainy days (54 mm)
12:20 hDaylight
08:01Sunrise · 20:21 Sunset
Why this score
- Mild: highs around 19°C
- Frequent rain: about 10 rainy days
- Rain varies a lot between years (±4.6 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 (±4.6 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 | 9°C | 5°C | 91 mm | 15 | – | – | 5.1 |
| February | 10°C | 5°C | 76 mm | 13 | – | – | 5.4 |
| March | 11°C | 6°C | 65 mm | 13 | – | – | 5.7 |
| April | 13°C | 7°C | 75 mm | 13 | – | – | 6.0 |
| May | 16°C | 9°C | 68 mm | 12 | – | – | 6.5 |
| June | 18°C | 12°C | 55 mm | 11 | – | – | 7.0 |
| July | 20°C | 13°C | 50 mm | 11 | – | – | 7.3 |
| August | 20°C | 13°C | 57 mm | 11 | – | – | 7.3 |
| September | 19°C | 12°C | 54 mm | 10 | – | – | 7.2 |
| October | 15°C | 10°C | 87 mm | 14 | – | – | 6.2 |
| November | 12°C | 8°C | 87 mm | 15 | – | – | 5.5 |
| December | 10°C | 6°C | 97 mm | 15 | – | – | 5.1 |
Frequently asked questions
How hot is Landerneau in September?
Daytime highs average 19°C and nights about 12°C.
When is the best time to visit Landerneau?
The best months are July, August, September, June.