Nova Scotia (Sydney)
September
Weather in Nova Scotia for September 2025
Your guide to Nova Scotia weather in September - trends and predictions
In general, the average temperature in Nova Scotia at the beginning of September is 21.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °C by the end of September.
The climate of Nova Scotia in September is notably wet, with an average of 13 rainy days, and a total of 121.4 mm of precipitation.
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Temperatures
Rain 🌧️
More
17
Dry days
13
Rainy days
0
Snow days
19°/12°
Temperatures
19 km/h
Avg max wind
81 %
Avg humidity
Nova Scotia in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  22° | 3 21° | 4  22° | 5  21° | 6  22° | 7 20° |
| 8 24° | 9 23° | 10 22° | 11 18° | 12 19° | 13 22° | 14 19° |
| 15  20° | 16 22° | 17 22° | 18 24° | 19  21° | 20 18° | 21 14° |
| 22 14° | 23 17° | 24 18° | 25 15° | 26  16° | 27 16° | 28 18° |
| 29 18° | 30 18° |
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Temperatures trend during September in Nova Scotia
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Cloudy | 21° /12° | 0 mm | 5 | |
| 2 Sept. | Partly cloudy | 22° /11° | 2.3 mm | 6 | |
| 3 Sept. | Partly cloudy | 21° /11° | 0.5 mm | 5 | |
| 4 Sept. | Fog | 22° /11° | 0 mm | 5 | |
| 5 Sept. | Light drizzle | 21° /12° | 0.3 mm | 5 | |
| 6 Sept. | Light rain shower | 22° /15° | 3.5 mm | 5 | |
| 7 Sept. | Light rain shower | 20° /16° | 15 mm | 5 | |
| 8 Sept. | Fog | 24° /17° | 1.2 mm | 6 | |
| 9 Sept. | Fog | 23° /15° | 1.8 mm | 6 | |
| 10 Sept. | Mist | 22° /13° | 1.2 mm | 5 | |
| 11 Sept. | Light rain shower | 18° /12° | 2.5 mm | 4 | |
| 12 Sept. | Fog | 19° /12° | 0 mm | 4 | |
| 13 Sept. | Fog | 22° /13° | 0 mm | 5 | |
| 14 Sept. | Light rain | 19° /13° | 0.7 mm | 5 | |
| 15 Sept. | Moderate rain at times | 20° /11° | 3.8 mm | 5 | |
| 16 Sept. | Moderate or heavy rain shower | 22° /13° | 5.8 mm | 5 | |
| 17 Sept. | Light rain | 22° /16° | 1.6 mm | 5 | |
| 18 Sept. | Mist | 24° /14° | 0 mm | 6 | |
| 19 Sept. | Heavy rain | 21° /13° | 21.5 mm | 5 | |
| 20 Sept. | Patchy rain possible | 18° /13° | 0.1 mm | 4 | |
| 21 Sept. | Light drizzle | 14° /11° | 0.5 mm | 3 | |
| 22 Sept. | Patchy rain possible | 14° /9° | 0.1 mm | 3 | |
| 23 Sept. | Cloudy | 17° /9° | 0 mm | 4 | |
| 24 Sept. | Cloudy | 18° /10° | 0 mm | 5 | |
| 25 Sept. | Light rain shower | 15° /10° | 0.3 mm | 4 | |
| 26 Sept. | Overcast | 16° /8° | 0 mm | 4 | |
| 27 Sept. | Overcast | 16° /9° | 13 mm | 4 | |
| 28 Sept. | Fog | 18° /10° | 45.7 mm | 5 | |
| 29 Sept. | Mist | 18° /8° | 0 mm | 4 | |
| 30 Sept. | Mist | 18° /8° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Nova Scotia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Nova Scotia forecast closer to your planned date for the most up-to-date weather information.
Nova Scotia in September - FAQ
What are the expected maximum and minimum temperatures in Nova Scotia during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Nova Scotia during September?
Significant rainfall exceeding 121.4 mm is expected in Nova Scotia during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Nova Scotia during September?
The average wind speed in Nova Scotia during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Nova Scotia
Explore the daily rainfall trends and prepare for Nova Scotias September weather 💧
UV exposure in Nova Scotia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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