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Sendai weather in September 2025
Expect 75°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Sendai in September. Check more long-term weather averages for Sendai in September before you book your next holiday to Japan in 2025/2026.
- 7575°F max day temperature
- 4 hours of sunshine per day
- 2020 days with some rainfall
- 6363°F min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 6.96.9 inches of monthly rainfall
- 77 (High) UV index
- 7272°F sea temperature
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Recommended for Japan
The September weather guide for Japan (Sendai) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about Japan
How hot is it in Sendai in September?
Daytime temperatures usually reach 75°F in Sendai in September, falling to 63°F at night.
How sunny is it in Sendai in September?
There are normally 4 hours of bright sunshine each day in Sendai in September - that's 34% of daylight hours.
How warm is the sea around Sendai in September?
The average sea temperature around Sendai in September is 72°F.
Does it rain in Sendai in September?
There are usually 20 days with some rain in Sendai in September and the average monthly rainfall is 6.9 inches.
What is the chance of a typhoon in Sendai in September?
On average 1.3 days in September in Sendai are likely to be affected by the passage of one or more tropical storms.
Sendai September sunrise & sunset times
Browse the sunrise and sunset times for Sendai in September 2025. Select a month to view Sendai sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:06 | 18:07 |
Monday, 15th September 2025 | 05:18 | 17:45 |
Tuesday, 30th September 2025 | 05:31 | 17:21 |
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