Castelnau-le-Lez in September
8.0out of 10
Yes, a good time to go
Warm and comfortable: highs around 25°C. Some rain: about 7 rainy days.
25°CAvg high
14°CAvg low
7Rainy days (111 mm)
12:17 hDaylight
07:30Sunrise · 19:47 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Some rain: about 7 rainy days
What to wear and pack
- T-shirts and light layers
How reliable is the forecast?
Rain in September varies a lot between years (±3.1 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 | 11°C | 3°C | 73 mm | 8 | – | – | 6.2 |
| February | 12°C | 3°C | 45 mm | 6 | – | – | 6.8 |
| March | 16°C | 6°C | 56 mm | 7 | – | – | 7.3 |
| April | 19°C | 8°C | 75 mm | 9 | – | – | 7.4 |
| May | 23°C | 12°C | 61 mm | 8 | – | – | 8.0 |
| June | 27°C | 16°C | 37 mm | 6 | – | – | 8.3 |
| July | 30°C | 18°C | 24 mm | 4 | – | – | 8.2 |
| August | 30°C | 18°C | 41 mm | 5 | – | – | 8.1 |
| September | 25°C | 14°C | 111 mm | 7 | – | – | 8.0 |
| October | 20°C | 11°C | 136 mm | 11 | – | – | 7.0 |
| November | 15°C | 7°C | 120 mm | 10 | – | – | 6.4 |
| December | 12°C | 4°C | 71 mm | 9 | – | – | 6.3 |
Frequently asked questions
How hot is Castelnau-le-Lez in September?
Daytime highs average 25°C and nights about 14°C.
When is the best time to visit Castelnau-le-Lez?
The best months are June, July, August, May.