Chitose in September
7.1out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 12 rainy days.
21°CAvg high
15°CAvg low
12Rainy days (139 mm)
12:16 hDaylight
05:19Sunrise · 17:36 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 12 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 (±3.4 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 | -1°C | -7°C | 36 mm | 7 | – | – | 4.2 |
| February | 0°C | -7°C | 35 mm | 6 | – | – | 4.3 |
| March | 3°C | -3°C | 53 mm | 9 | – | – | 4.6 |
| April | 9°C | 3°C | 71 mm | 11 | – | – | 5.5 |
| May | 13°C | 8°C | 95 mm | 11 | – | – | 6.1 |
| June | 17°C | 13°C | 78 mm | 10 | – | – | 7.0 |
| July | 21°C | 17°C | 116 mm | 12 | – | – | 7.2 |
| August | 23°C | 19°C | 162 mm | 12 | – | – | 7.1 |
| September | 21°C | 15°C | 139 mm | 12 | – | – | 7.1 |
| October | 15°C | 9°C | 89 mm | 10 | – | – | 6.6 |
| November | 8°C | 3°C | 67 mm | 9 | – | – | 5.6 |
| December | 2°C | -4°C | 54 mm | 8 | – | – | 4.4 |
Frequently asked questions
How hot is Chitose in September?
Daytime highs average 21°C and nights about 15°C.
When is the best time to visit Chitose?
The best months are July, August, September, June.