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Buffalo weather in September 2025
Expect 70°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Buffalo in September. Check more long-term weather averages for Buffalo in September before you book your next holiday to New York in 2025/2026.
- 7070°F max day temperature
- 7 hours of sunshine per day
- 1111 days with some rainfall
- 5454°F min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 3.73.7 inches of monthly rainfall
- 66 (High) UV index
- 6666°F sea temperature
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Recommended for New York
The September weather guide for New York (Buffalo) 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 New York
How hot is it in Buffalo in September?
Daytime temperatures usually reach 70°F in Buffalo in September, falling to 54°F at night.
How sunny is it in Buffalo in September?
There are normally 7 hours of bright sunshine each day in Buffalo in September - that's 53% of daylight hours.
How warm is the sea around Buffalo in September?
The average sea temperature around Buffalo in September is 66°F.
Does it rain in Buffalo in September?
There are usually 11 days with some rain in Buffalo in September and the average monthly rainfall is 3.7 inches.
Buffalo September sunrise & sunset times
Browse the sunrise and sunset times for Buffalo in September 2025. Select a month to view Buffalo sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:40 | 18:49 |
Monday, 15th September 2025 | 05:55 | 18:25 |
Tuesday, 30th September 2025 | 06:12 | 17:58 |
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