Montpelier weather in September 2025

Expect daytime maximum temperatures of 20°C in Montpelier, Vermont 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 80 mm of rainfall in the month.

  • 20°C maximum daytime temperature in September in Montpelier20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Montpelier11
    11 days with some rainfall
  • 8°C minimum night-time temperature in September in Montpelier8
    8°C min night temperature
  • 12 hours of daylight per day in September in Montpelier12
    12 hours of daylight per day
  • No heat & humidity in September in Montpelier0
    No heat & humidity
  • 80 mm monthly rainfall in September in Montpelier80
    80 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Montpelier5
    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.

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

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How hot is it in Montpelier in September?

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

How sunny is it in Montpelier in September?

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

Does it rain in Montpelier in September?

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

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

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

Montpelier September sunrise & sunset times

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

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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