Nova Scotia weather in September 2025

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

  • 19°C maximum daytime temperature in September in Nova Scotia (Halifax)19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in September in Nova Scotia (Halifax)10
    10 days with some rainfall
  • 10°C minimum night-time temperature in September in Nova Scotia (Halifax)10
    10°C min night temperature
  • 12 hours of daylight per day in September in Nova Scotia (Halifax)12
    12 hours of daylight per day
  • No heat & humidity in September in Nova Scotia (Halifax)0
    No heat & humidity
  • 98 mm monthly rainfall in September in Nova Scotia (Halifax)98
    98 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Nova Scotia (Halifax)5
    5 (Moderate) UV index
  • 16°C sea temperature in September in Nova Scotia (Halifax)16
    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.

Top Nova Scotia destinations

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

All Nova Scotia destinations

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

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How hot is it in Nova Scotia in September?

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

How sunny is it in Nova Scotia in September?

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

How warm is the sea around Nova Scotia in September?

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

Does it rain in Nova Scotia in September?

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

What is the chance of a hurricane in Nova Scotia in September?

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

Nova Scotia September sunrise & sunset times

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

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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