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Plattsburgh weather in September 2026
Expect daytime maximum temperatures of 21°C in Plattsburgh, New York in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 72 mm of rainfall in the month.
- 21°C max day temperature
21 - 6 hours of sunshine per day
- 12 days with some rainfall
12 - 9°C min night temperature
9 - 12 hours of daylight per day
12 - No heat & humidity
0 - 72 mm of monthly rainfall
72 - 5 (Moderate) UV index
5
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Recommended for New York
The September weather guide for New York (Plattsburgh) 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 / mm) | Imperial (°F / inches)
More about New York
How hot is it in Plattsburgh in September?
Daytime temperatures usually reach 24°C in Plattsburgh in September, falling to 16°C at night.
How sunny is it in Plattsburgh in September?
There are normally 7 hours of bright sunshine each day in Plattsburgh in September - that's 59% of daylight hours.
How warm is the sea around Plattsburgh in September?
The average sea temperature around Plattsburgh in September is 21°C.
Does it rain in Plattsburgh in September?
There are usually 8 days with some rain in Plattsburgh in September and the average monthly rainfall is 92mm.
What is the chance of a hurricane in Plattsburgh in September?
On average less than 1 day in September in Plattsburgh is likely to be affected by the passage of one or more tropical storms.
Plattsburgh September sunrise & sunset times
Browse the sunrise and sunset times for Plattsburgh in September 2026. Select a month to view Plattsburgh sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Tuesday, 1st September 2026 | 05:16 | 18:30 |
| Tuesday, 15th September 2026 | 05:33 | 18:04 |
| Wednesday, 30th September 2026 | 05:51 | 17:36 |
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