worldweatherJapan weather in September - temperature, rain and is it a good time to visit?
September is one of the best months for a holiday in Japan.
Daytime
27°
Night
21°
☀️ Day length
12 h 27 min
Chance of rain
52%
Thunder days
8%
Humid days
90%
In September, Japan averages about 27° during the day and 21° at night. Rain is fairly likely - around a 52% chance on a given day, so pack for showers.
Japan weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January | 9℃ | 2℃ | 34% |
| February | 10℃ | 3℃ | 43% |
| March | 13℃ | 6℃ | 44% |
| April ★ | 19℃ | 12℃ | 47% |
| May ★ | 23℃ | 16℃ | 42% |
| June ★ | 26℃ | 20℃ | 55% |
| July | 30℃ | 24℃ | 52% |
| August | 31℃ | 25℃ | 50% |
| September ★ | 27℃ | 21℃ | 52% |
| October ★ | 22℃ | 16℃ | 45% |
| November ★ | 16℃ | 10℃ | 44% |
| December | 11℃ | 5℃ | 42% |
★ - months most often recommended for travel
Where is it warmest in Japan in September? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| Kyoto | 29℃ | 21℃ | - | 44% |
| Osaka | 28℃ | 20℃ | 29℃ | 41% |
| Fukuokashi | 28℃ | 21℃ | 29℃ | 55% |
| Tokyo | 27℃ | 20℃ | 27℃ | 55% |
| Yokohama | 27℃ | 21℃ | 27℃ | 54% |
| Hiroshima | 27℃ | 21℃ | 29℃ | 46% |
| Nagoyashi | 26℃ | 21℃ | 29℃ | 53% |
| Nikkō | 25℃ | 22℃ | - | 61% |
| Shizuokashi | 25℃ | 22℃ | 28℃ | 56% |
Travelling soon? Check the live 14-day weather forecast for Japan.