Jamestown weather in September 2026

Q: How hot is it in Jamestown in September?

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

Q: How sunny is it in Jamestown in September?

There are normally 7 hours of bright sunshine each day in Jamestown in September - that's 59% of daylight hours.

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

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

Q: Does it rain in Jamestown in September?

There are usually 8 days with some rain in Jamestown in September and the average monthly rainfall is 92mm.

Q: What is the chance of a hurricane in Jamestown in September?

On average less than 1 day in September in Jamestown is likely to be affected by the passage of one or more tropical storms.

Expect daytime maximum temperatures of 70°F in Jamestown, New York in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 4.4 inches of rainfall in the month.

70
70°F max day temperature
6
6 hours of sunshine per day
11
11 days with some rainfall
50
50°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
4.4
4.4 inches of monthly rainfall
6
6 (High) UV index

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The September weather guide for New York (Jamestown) 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 Jamestown in September?

Daytime temperatures usually reach 75°F in Jamestown in September, falling to 61°F at night.

How sunny is it in Jamestown in September?

There are normally 7 hours of bright sunshine each day in Jamestown in September - that's 59% of daylight hours.

How warm is the sea around Jamestown in September?

The average sea temperature around Jamestown in September is 70°F.

Does it rain in Jamestown in September?

There are usually 8 days with some rain in Jamestown in September and the average monthly rainfall is 3.6 inches.

What is the chance of a hurricane in Jamestown in September?

On average less than 1 day in September in Jamestown is likely to be affected by the passage of one or more tropical storms.

Jamestown September sunrise & sunset times

Browse the sunrise and sunset times for Jamestown in September 2026. Select a month to view Jamestown 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	05:43	18:51
Tuesday, 15th September 2026	05:57	18:26
Wednesday, 30th September 2026	06:13	18:00

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New York - quick facts
Flight time^✝	7.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Culture Nightlife
Tourist info	New York Department of Economic Development