Nova Scotia weather in September 2025

Expect daytime maximum temperatures of 19°C in Nova Scotia, Canada in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 98 mm of rainfall in the month.

• 19
  19°C max day temperature
• 6
  6 hours of sunshine per day
• 10
  10 days with some rainfall
• 10
  10°C min night temperature
• 12
  12 hours of daylight per day
• 0
  No heat & humidity
• 98
  98 mm of monthly rainfall
• 5
  5 (Moderate) UV index
• 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.

• 19
  Halifax
• 18
  Sydney
• 18
  Yarmouth

All Nova Scotia destinations

• Halifax
• Sydney
• Yarmouth

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

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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.

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