Cartwright weather in September 2025

Expect 54°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Cartwright in September. Check more long-term weather averages for Cartwright in September before you book your next holiday to Newfoundland & Labrador in 2025/2026.

  • 54°F maximum daytime temperature in September in Cartwright54
    54°F max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in September in Cartwright15
    15 days with some rainfall
  • 39°F minimum night-time temperature in September in Cartwright39
    39°F min night temperature
  • 13 hours of daylight per day in September in Cartwright13
    13 hours of daylight per day
  • No heat & humidity in September in Cartwright0
    No heat & humidity
  • 3.5 inches monthly rainfall in September in Cartwright3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Cartwright3
    3 (Moderate) UV index
  • 45°F sea temperature in September in Cartwright45
    45°F sea temperature

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The September weather guide for Newfoundland & Labrador (Cartwright) 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 warm is it in Cartwright in September?

Daytime temperatures usually reach 54°F in Cartwright in September, falling to 39°F at night.

How sunny is it in Cartwright in September?

There are normally 4 hours of bright sunshine each day in Cartwright in September - that's 29% of daylight hours.

How warm is the sea around Cartwright in September?

The average sea temperature around Cartwright in September is 45°F.

Does it rain in Cartwright in September?

There are usually 15 days with some rain in Cartwright in September and the average monthly rainfall is 3.5 inches.

Cartwright September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 04:57 18:37
Monday, 15th September 2025 05:22 18:03
Tuesday, 30th September 2025 05:49 17:26

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