Castelo Branco in September
8.5out of 10
Yes, a good time to go
Warm and comfortable: highs around 28°C. Some rain: about 5 rainy days.
28°CAvg high
16°CAvg low
5Rainy days (34 mm)
12:15 hDaylight
07:17Sunrise · 19:32 Sunset
Why this score
- Warm and comfortable: highs around 28°C
- Some rain: about 5 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
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 | 13°C | 5°C | 62 mm | 8 | – | – | 6.5 |
| February | 15°C | 5°C | 49 mm | 6 | – | – | 7.1 |
| March | 18°C | 7°C | 58 mm | 7 | – | – | 7.4 |
| April | 20°C | 9°C | 53 mm | 8 | – | – | 7.7 |
| May | 24°C | 12°C | 51 mm | 7 | – | – | 8.2 |
| June | 29°C | 15°C | 10 mm | 3 | – | – | 8.8 |
| July | 32°C | 17°C | 4 mm | 1 | – | – | 8.0 |
| August | 32°C | 18°C | 6 mm | 1 | – | – | 8.0 |
| September | 28°C | 16°C | 34 mm | 5 | – | – | 8.5 |
| October | 22°C | 12°C | 83 mm | 9 | – | – | 7.9 |
| November | 16°C | 8°C | 77 mm | 8 | – | – | 7.0 |
| December | 13°C | 5°C | 75 mm | 8 | – | – | 6.6 |
Frequently asked questions
How hot is Castelo Branco in September?
Daytime highs average 28°C and nights about 16°C.
When is the best time to visit Castelo Branco?
The best months are June, September.