Winnipeg weather in September 2025

Expect daytime maximum temperatures of 64°F in Winnipeg, Manitoba in September based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 2.0 inches of rainfall in the month.

  • 64°F maximum daytime temperature in September in Winnipeg64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in September in Winnipeg9
    9 days with some rainfall
  • 43°F minimum night-time temperature in September in Winnipeg43
    43°F min night temperature
  • 13 hours of daylight per day in September in Winnipeg13
    13 hours of daylight per day
  • No heat & humidity in September in Winnipeg0
    No heat & humidity
  • 2.0 inches monthly rainfall in September in Winnipeg2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Winnipeg4
    4 (Moderate) UV index

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The September weather guide for Manitoba (Winnipeg) 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 Winnipeg in September?

Daytime temperatures usually reach 64°F in Winnipeg in September, falling to 43°F at night.

How sunny is it in Winnipeg in September?

There are normally 6 hours of bright sunshine each day in Winnipeg in September - that's 48% of daylight hours.

Does it rain in Winnipeg in September?

There are usually 9 days with some rain in Winnipeg in September and the average monthly rainfall is 2.0 inches.

Winnipeg September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:44 19:11
Monday, 15th September 2025 06:05 18:41
Tuesday, 30th September 2025 06:28 18:08

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