Lake George weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Lake George in September based on long-term weather averages. There is usually 11 days with some rainfall and 89 mm of average monthly rainfall in September.

  • 20°C maximum daytime temperature in September in Lake George20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in September in Lake George11
    11 days with some rainfall
  • 8°C minimum night-time temperature in September in Lake George8
    8°C min night temperature
  • 12 hours of daylight per day in September in Lake George12
    12 hours of daylight per day
  • No heat & humidity in September in Lake George0
    No heat & humidity
  • 89 mm monthly rainfall in September in Lake George89
    89 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Lake George6
    6 (High) UV index

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The September weather guide for New York (Lake George) 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)

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More about New York

How hot is it in Lake George in September?

Daytime temperatures usually reach 20°C in Lake George in September, falling to 8°C at night.

How sunny is it in Lake George in September?

There are normally 7 hours of bright sunshine each day in Lake George in September - that's 53% of daylight hours.

Does it rain in Lake George in September?

There are usually 11 days with some rain in Lake George in September and the average monthly rainfall is 89mm.

What is the chance of a hurricane in Lake George in September?

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

Lake George September sunrise & sunset times

Browse the sunrise and sunset times for Lake George in September 2025. Select a month to view Lake George sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:19 18:30
Monday, 15th September 2025 05:35 18:04
Tuesday, 30th September 2025 05:52 17:37

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