Tatsuno Weather in September
What's the weather like in Tatsuno (Nagano) in September 2024?
The climate in Tatsuno during September can be summarized as mild and very wet.
September is in the fall / autumn in Tatsuno and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 13°C (55°F) is normal.
| Daytime temperature | 21.1°C 70°F |
|---|---|
| Nightly temperature | 12.5°C 54.5°F |
| Average temperature | 16.8°C 62.2°F |
| Daily sunshine | 4.4 hrs |
| Avg rainfall | 209 mm 8.2 ins |
| Rainy days | 19 days |
| Sea temperature | 26°C 78.8°F |
| Humidity | 82% |
| Windspeed | 10.1kph 6 mph |
On average September is the 3rd wettest month of the year in Tatsuno with around 209mm 8.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
September temperatures in Tatsuno
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 Tatsuno in September 2024.
Other monthly averages
Best places to visit in September
Tatsuno weather stats
| Hottest month: | August | 25.8°C 78.4°F |
|---|---|---|
| Driest month: | December | 31mm 1.2ins |
| Sunniest month: | January | 5.5hrs |
| Coldest month: | January | 0.6°C 33.1°F |
| Wettest month: | July | 229mm 9ins |
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