Itoshima in September
6.9out of 10
Possible, with caveats
Warm and comfortable: highs around 27°C. Frequent rain: about 13 rainy days.
27°CAvg high
22°CAvg low
13Rainy days (183 mm)
12:12 hDaylight
06:08Sunrise · 18:19 Sunset
Why this score
- Warm and comfortable: highs around 27°C
- Frequent rain: about 13 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.9 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 | 10°C | 5°C | 65 mm | 10 | – | – | 5.7 |
| February | 10°C | 5°C | 73 mm | 9 | – | – | 6.0 |
| March | 13°C | 8°C | 112 mm | 11 | – | – | 6.1 |
| April | 18°C | 12°C | 126 mm | 11 | – | – | 6.8 |
| May | 23°C | 17°C | 138 mm | 10 | – | – | 7.4 |
| June | 25°C | 21°C | 283 mm | 15 | – | – | 6.1 |
| July | 29°C | 25°C | 258 mm | 17 | – | – | 6.0 |
| August | 31°C | 26°C | 164 mm | 15 | – | – | 6.2 |
| September | 27°C | 22°C | 183 mm | 13 | – | – | 6.9 |
| October | 23°C | 17°C | 98 mm | 8 | – | – | 8.0 |
| November | 17°C | 12°C | 87 mm | 8 | – | – | 7.2 |
| December | 12°C | 7°C | 72 mm | 10 | – | – | 6.1 |
Frequently asked questions
How hot is Itoshima in September?
Daytime highs average 27°C and nights about 22°C.
When is the best time to visit Itoshima?
The best months are October, May.