Plattsburgh weather in September 2026

Q: How hot is it in Plattsburgh in September?

Daytime temperatures usually reach 24°C in Plattsburgh in September, falling to 16°C at night.

Q: 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.

Q: How warm is the sea around Plattsburgh in September?

The average sea temperature around Plattsburgh in September is 21°C.

Q: 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.

Q: 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.

Expect daytime maximum temperatures of 70°F 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 2.8 inches of rainfall in the month.

70
70°F max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
48
48°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
5
5 (Moderate) UV index

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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) | Imperial (°F)

More about New York

How hot is it in Plattsburgh in September?

Daytime temperatures usually reach 75°F in Plattsburgh in September, falling to 61°F 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 70°F.

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 3.6 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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