Gander weather in September 2025

Expect 16°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Gander in September. Check more long-term weather averages for Gander in September before you book your next holiday to Newfoundland & Labrador in 2025/2026.

  • 16°C maximum daytime temperature in September in Gander16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in September in Gander15
    15 days with some rainfall
  • 7°C minimum night-time temperature in September in Gander7
    7°C min night temperature
  • 13 hours of daylight per day in September in Gander13
    13 hours of daylight per day
  • No heat & humidity in September in Gander0
    No heat & humidity
  • 87 mm monthly rainfall in September in Gander87
    87 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Gander4
    4 (Moderate) UV index

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The September weather guide for Newfoundland & Labrador (Gander) 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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More about Canada

How warm is it in Gander in September?

Daytime temperatures usually reach 16°C in Gander in September, falling to 7°C at night.

How sunny is it in Gander in September?

There are normally 5 hours of bright sunshine each day in Gander in September - that's 37% of daylight hours.

Does it rain in Gander in September?

There are usually 15 days with some rain in Gander in September and the average monthly rainfall is 87mm.

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

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

Gander September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:25 18:50
Monday, 15th September 2025 05:45 18:21
Tuesday, 30th September 2025 06:07 17:49

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