Bremerton in September
7.7out of 10
Yes, a good time to go
Mild: highs around 21°C. Frequent rain: about 9 rainy days.
21°CAvg high
14°CAvg low
9Rainy days (63 mm)
12:19 hDaylight
06:55Sunrise · 19:15 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 9 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.8 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 | 4°C | 171 mm | 18 | – | – | 4.0 |
| February | 9°C | 4°C | 119 mm | 15 | – | – | 4.9 |
| March | 11°C | 5°C | 134 mm | 17 | – | – | 4.8 |
| April | 14°C | 7°C | 102 mm | 15 | – | – | 5.7 |
| May | 18°C | 10°C | 71 mm | 13 | – | – | 6.7 |
| June | 20°C | 12°C | 56 mm | 10 | – | – | 7.5 |
| July | 24°C | 15°C | 32 mm | 6 | – | – | 8.3 |
| August | 24°C | 15°C | 37 mm | 6 | – | – | 8.3 |
| September | 21°C | 14°C | 63 mm | 9 | – | – | 7.7 |
| October | 15°C | 10°C | 128 mm | 15 | – | – | 5.8 |
| November | 11°C | 7°C | 189 mm | 18 | – | – | 4.3 |
| December | 8°C | 4°C | 189 mm | 18 | – | – | 3.9 |
Frequently asked questions
How hot is Bremerton in September?
Daytime highs average 21°C and nights about 14°C.
When is the best time to visit Bremerton?
The best months are July, August.