Halifax weather in September 2025

Expect 19°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Halifax in September. Check more long-term weather averages for Halifax in September before you book your next holiday to Nova Scotia in 2025/2026.

  • 19°C maximum daytime temperature in September in Halifax19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in September in Halifax10
    10 days with some rainfall
  • 10°C minimum night-time temperature in September in Halifax10
    10°C min night temperature
  • 12 hours of daylight per day in September in Halifax12
    12 hours of daylight per day
  • No heat & humidity in September in Halifax0
    No heat & humidity
  • 98 mm monthly rainfall in September in Halifax98
    98 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Halifax5
    5 (Moderate) UV index
  • 16°C sea temperature in September in Halifax16
    16°C sea temperature

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The September weather guide for Nova Scotia (Halifax) 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 hot is it in Halifax in September?

Daytime temperatures usually reach 19°C in Halifax in September, falling to 10°C at night.

How sunny is it in Halifax in September?

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

How warm is the sea around Halifax in September?

The average sea temperature around Halifax in September is 16°C.

Does it rain in Halifax in September?

There are usually 10 days with some rain in Halifax in September and the average monthly rainfall is 98mm.

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

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

Halifax September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:37 18:50
Monday, 15th September 2025 05:53 18:24
Tuesday, 30th September 2025 06:11 17:56

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