Manitoba weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Manitoba in September. Check more long-term weather averages for Manitoba in September before you book your next holiday to Manitoba in 2025/2026.

  • 18°C maximum daytime temperature in September in Manitoba (Winnipeg)18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in September in Manitoba (Winnipeg)9
    9 days with some rainfall
  • 6°C minimum night-time temperature in September in Manitoba (Winnipeg)6
    6°C min night temperature
  • 13 hours of daylight per day in September in Manitoba (Winnipeg)13
    13 hours of daylight per day
  • No heat & humidity in September in Manitoba (Winnipeg)0
    No heat & humidity
  • 50 mm monthly rainfall in September in Manitoba (Winnipeg)50
    50 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Manitoba (Winnipeg)4
    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.

Top Manitoba destinations

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

All Manitoba destinations

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

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More about Canada

How hot is it in Manitoba in September?

Daytime temperatures usually reach 18°C in Winnipeg, Manitoba in September, falling to 6°C at night.

How sunny is it in Manitoba in September?

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

Does it rain in Manitoba in September?

There are usually 9 days with some rain in Winnipeg, Manitoba in September and the average monthly rainfall is 50mm.

Manitoba September sunrise & sunset times

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

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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