Vermont weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Vermont in September. Check more long-term weather averages for Vermont in September before you book your next holiday to Vermont in 2025/2026.

  • 20°C maximum daytime temperature in September in Vermont (Montpelier)20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Vermont (Montpelier)11
    11 days with some rainfall
  • 8°C minimum night-time temperature in September in Vermont (Montpelier)8
    8°C min night temperature
  • 12 hours of daylight per day in September in Vermont (Montpelier)12
    12 hours of daylight per day
  • No heat & humidity in September in Vermont (Montpelier)0
    No heat & humidity
  • 80 mm monthly rainfall in September in Vermont (Montpelier)80
    80 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Vermont (Montpelier)5
    5 (Moderate) UV index

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The September weather guide for Vermont (Montpelier) 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.

Top Vermont destinations

Below are average maximum temperatures at popular countries, regions and places in Vermont in September. Select a holiday destination to see more weather parameters.

All Vermont destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How hot is it in Vermont in September?

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

How sunny is it in Vermont in September?

There are normally 6 hours of bright sunshine each day in Montpelier, Vermont in September - that's 50% of daylight hours.

Does it rain in Vermont in September?

There are usually 11 days with some rain in Montpelier, Vermont in September and the average monthly rainfall is 80mm.

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

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

Vermont September sunrise & sunset times

Browse the sunrise and sunset times for Vermont in September 2025. Select a month to view Vermont sunrise and sunset times for the next 12 months. The Vermont sunrise and sunset times shown below are for Montpelier.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:14 18:26
Monday, 15th September 2025 05:30 18:00
Tuesday, 30th September 2025 05:47 17:32

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