Ōsaki in September
6.8out of 10
Possible, with caveats
Warm and comfortable: highs around 24°C. Frequent rain: about 14 rainy days.
24°CAvg high
18°CAvg low
14Rainy days (170 mm)
12:14 hDaylight
05:23Sunrise · 17:38 Sunset
Why this score
- Warm and comfortable: highs around 24°C
- Frequent rain: about 14 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.3 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 | 5°C | -1°C | 57 mm | 9 | – | – | 4.9 |
| February | 6°C | -1°C | 48 mm | 8 | – | – | 5.1 |
| March | 9°C | 1°C | 89 mm | 11 | – | – | 5.5 |
| April | 15°C | 6°C | 98 mm | 11 | – | – | 6.3 |
| May | 20°C | 12°C | 108 mm | 12 | – | – | 7.0 |
| June | 22°C | 16°C | 134 mm | 13 | – | – | 7.1 |
| July | 26°C | 21°C | 186 mm | 17 | – | – | 6.3 |
| August | 28°C | 22°C | 167 mm | 16 | – | – | 6.6 |
| September | 24°C | 18°C | 170 mm | 14 | – | – | 6.8 |
| October | 19°C | 12°C | 138 mm | 10 | – | – | 7.0 |
| November | 13°C | 6°C | 64 mm | 9 | – | – | 6.5 |
| December | 7°C | 1°C | 58 mm | 9 | – | – | 5.3 |
Frequently asked questions
How hot is Ōsaki in September?
Daytime highs average 24°C and nights about 18°C.
When is the best time to visit Ōsaki?
The best months are June, May, October, September.