Hakodate in September
6.7out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 13 rainy days.
21°CAvg high
18°CAvg low
13Rainy days (187 mm)
12:16 hDaylight
05:23Sunrise · 17:39 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 13 rainy 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 (±3.6 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 | 0°C | -4°C | 52 mm | 9 | – | – | 3.9 |
| February | 0°C | -4°C | 53 mm | 8 | – | – | 4.1 |
| March | 3°C | -1°C | 65 mm | 9 | – | – | 4.6 |
| April | 7°C | 3°C | 84 mm | 10 | – | – | 5.3 |
| May | 12°C | 8°C | 119 mm | 12 | – | – | 5.7 |
| June | 16°C | 13°C | 123 mm | 12 | – | – | 6.3 |
| July | 20°C | 18°C | 177 mm | 16 | – | – | 6.2 |
| August | 23°C | 20°C | 207 mm | 15 | – | – | 6.5 |
| September | 21°C | 18°C | 187 mm | 13 | – | – | 6.7 |
| October | 14°C | 11°C | 111 mm | 11 | – | – | 6.2 |
| November | 7°C | 4°C | 86 mm | 11 | – | – | 5.2 |
| December | 2°C | -1°C | 70 mm | 11 | – | – | 4.2 |
Frequently asked questions
How hot is Hakodate in September?
Daytime highs average 21°C and nights about 18°C.
When is the best time to visit Hakodate?
The best months are September, August, June, July.