Yarmouth weather in September 2025

Expect daytime maximum temperatures of 64°F in Yarmouth, Nova Scotia in September based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 3.5 inches of rainfall in the month.

  • 64°F maximum daytime temperature in September in Yarmouth64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in September in Yarmouth9
    9 days with some rainfall
  • 48°F minimum night-time temperature in September in Yarmouth48
    48°F min night temperature
  • 12 hours of daylight per day in September in Yarmouth12
    12 hours of daylight per day
  • No heat & humidity in September in Yarmouth0
    No heat & humidity
  • 3.5 inches monthly rainfall in September in Yarmouth3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Yarmouth6
    6 (High) UV index
  • 54°F sea temperature in September in Yarmouth54
    54°F sea temperature

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The September weather guide for Nova Scotia (Yarmouth) 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)

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How hot is it in Yarmouth in September?

Daytime temperatures usually reach 64°F in Yarmouth in September, falling to 48°F at night.

How sunny is it in Yarmouth in September?

There are normally 6 hours of bright sunshine each day in Yarmouth in September - that's 47% of daylight hours.

How warm is the sea around Yarmouth in September?

The average sea temperature around Yarmouth in September is 54°F.

Does it rain in Yarmouth in September?

There are usually 9 days with some rain in Yarmouth in September and the average monthly rainfall is 3.5 inches.

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

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

Yarmouth September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:48 19:00
Monday, 15th September 2025 06:04 18:34
Tuesday, 30th September 2025 06:21 18:07

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