Ílhavo in September
8.3out of 10
Yes, a good time to go
Warm and comfortable: highs around 23°C. Some rain: about 6 rainy days.
23°CAvg high
16°CAvg low
6Rainy days (48 mm)
12:15 hDaylight
07:21Sunrise · 19:37 Sunset
Why this score
- Warm and comfortable: highs around 23°C
- Some rain: about 6 rainy days
- Rain varies a lot between years (±4.1 days)
What to wear and pack
- T-shirts and light layers
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 | 14°C | 8°C | 119 mm | 12 | – | – | 6.0 |
| February | 14°C | 8°C | 84 mm | 9 | – | – | 6.7 |
| March | 17°C | 10°C | 88 mm | 10 | – | – | 6.9 |
| April | 17°C | 11°C | 91 mm | 11 | – | – | 6.9 |
| May | 20°C | 13°C | 72 mm | 9 | – | – | 7.5 |
| June | 22°C | 16°C | 24 mm | 5 | – | – | 8.5 |
| July | 24°C | 17°C | 10 mm | 2 | – | – | 8.8 |
| August | 24°C | 17°C | 15 mm | 3 | – | – | 8.7 |
| September | 23°C | 16°C | 48 mm | 6 | – | – | 8.3 |
| October | 20°C | 14°C | 131 mm | 11 | – | – | 7.0 |
| November | 16°C | 11°C | 133 mm | 12 | – | – | 6.3 |
| December | 14°C | 9°C | 129 mm | 11 | – | – | 6.1 |
Frequently asked questions
How hot is Ílhavo in September?
Daytime highs average 23°C and nights about 16°C.
When is the best time to visit Ílhavo?
The best months are July, August, June, September.