Nagasaki Weather in September
What's the weather like in Nagasaki (Nagasaki) in September 2024?
The climate in Nagasaki during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Nagasaki and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 20°C (69°F) is normal.
| Daytime temperature | 27.6°C 81.7°F |
|---|---|
| Nightly temperature | 20.4°C 68.7°F |
| Average temperature | 24°C 75.2°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 201 mm 7.9 ins |
| Rainy days | 17 days |
| Sea temperature | 27°C 80.6°F |
| Humidity | 76% |
| Windspeed | 7.9kph 5 mph |
On average September is the 5th wettest month of the year in Nagasaki with around 201mm 7.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
September temperatures in Nagasaki
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Nagasaki in September 2024.
Other monthly averages
Best places to visit in September
Nagasaki weather stats
| Hottest month: | August | 30.6°C 87.1°F |
|---|---|---|
| Driest month: | December | 71mm 2.8ins |
| Sunniest month: | August | 7.3hrs |
| Coldest month: | January | 9.2°C 48.6°F |
| Wettest month: | June | 362mm 14.3ins |
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