Oak Harbor in September
7.0out of 10
Possible, with caveats
Mild: highs around 16°C. Some rain: about 8 rainy days.
16°CAvg high
13°CAvg low
8Rainy days (58 mm)
12:20 hDaylight
06:55Sunrise · 19:15 Sunset
Why this score
- Mild: highs around 16°C
- Some rain: about 8 rainy days
- Rain varies a lot between years (±4.4 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 (±4.4 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 | 8°C | 5°C | 157 mm | 18 | – | – | 4.0 |
| February | 8°C | 5°C | 109 mm | 15 | – | – | 4.7 |
| March | 9°C | 6°C | 122 mm | 18 | – | – | 4.5 |
| April | 11°C | 8°C | 83 mm | 14 | – | – | 5.5 |
| May | 13°C | 10°C | 67 mm | 10 | – | – | 6.3 |
| June | 15°C | 12°C | 55 mm | 9 | – | – | 6.7 |
| July | 17°C | 14°C | 30 mm | 6 | – | – | 7.5 |
| August | 17°C | 14°C | 36 mm | 5 | – | – | 7.6 |
| September | 16°C | 13°C | 58 mm | 8 | – | – | 7.0 |
| October | 13°C | 10°C | 118 mm | 14 | – | – | 5.6 |
| November | 10°C | 7°C | 182 mm | 18 | – | – | 4.2 |
| December | 8°C | 5°C | 163 mm | 19 | – | – | 3.9 |
Frequently asked questions
How hot is Oak Harbor in September?
Daytime highs average 16°C and nights about 13°C.
When is the best time to visit Oak Harbor?
The best months are August, July, September.