Ostend in September
6.8out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 12 rainy days.
18°CAvg high
14°CAvg low
12Rainy days (78 mm)
12:22 hDaylight
07:32Sunrise · 19:54 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 12 rainy days
- Rain varies a lot between years (±5.5 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 (±5.5 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 | 7°C | 4°C | 73 mm | 14 | – | – | 4.8 |
| February | 7°C | 4°C | 61 mm | 12 | – | – | 5.1 |
| March | 9°C | 5°C | 55 mm | 11 | – | – | 5.4 |
| April | 11°C | 7°C | 46 mm | 10 | – | – | 6.0 |
| May | 14°C | 11°C | 57 mm | 11 | – | – | 6.4 |
| June | 17°C | 13°C | 60 mm | 11 | – | – | 6.9 |
| July | 20°C | 16°C | 70 mm | 12 | – | – | 7.1 |
| August | 20°C | 16°C | 80 mm | 12 | – | – | 7.2 |
| September | 18°C | 14°C | 78 mm | 12 | – | – | 6.8 |
| October | 14°C | 11°C | 92 mm | 14 | – | – | 6.0 |
| November | 10°C | 7°C | 95 mm | 15 | – | – | 5.1 |
| December | 8°C | 5°C | 93 mm | 15 | – | – | 4.7 |
Frequently asked questions
How hot is Ostend in September?
Daytime highs average 18°C and nights about 14°C.
When is the best time to visit Ostend?
The best months are August, July, June, September.