North Bay
September
Weather in North Bay for September 2025
Your guide to North Bay weather in September - trends and predictions
In general, the average temperature in North Bay at the beginning of September is 22.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.6 °C by the end of September.
With an average of 5 rainy days, North Bay experiences minimal rainfall in September.
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25
Dry days
5
Rainy days
0
Snow days
21°/11°
Temperatures
14 km/h
Avg max wind
73 %
Avg humidity
North Bay in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  21° | 3 24° | 4 26° | 5 28° | 6  25° | 7 14° |
| 8  14° | 9  19° | 10 21° | 11 21° | 12  22° | 13 18° | 14 22° |
| 15 22° | 16 23° | 17 21° | 18 20° | 19 19° | 20  22° | 21 22° |
| 22 22° | 23 20° | 24 20° | 25 19° | 26 18° | 27 19° | 28 21° |
| 29 20° | 30 20° |
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Temperatures trend during September in North Bay
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. | Fog | 21° /10° | 1.1 mm | 5 | |
| 2 Sept. | Partly cloudy | 21° /11° | 0 mm | 5 | |
| 3 Sept. | Fog | 24° /12° | 0 mm | 6 | |
| 4 Sept. | Mist | 26° /14° | 0 mm | 6 | |
| 5 Sept. | Fog | 28° /14° | 0 mm | 7 | |
| 6 Sept. | Patchy rain possible | 25° /13° | 22.6 mm | 6 | |
| 7 Sept. | Light rain shower | 14° /8° | 6.7 mm | 4 | |
| 8 Sept. | Overcast | 14° /7° | 1.8 mm | 4 | |
| 9 Sept. | Cloudy | 19° /7° | 0 mm | 5 | |
| 10 Sept. | Mist | 21° /7° | 0 mm | 5 | |
| 11 Sept. | Overcast | 21° /11° | 0.6 mm | 5 | |
| 12 Sept. | Moderate or heavy rain with thunder | 22° /12° | 25.8 mm | 5 | |
| 13 Sept. | Overcast | 18° /11° | 0 mm | 5 | |
| 14 Sept. | Partly cloudy | 22° /12° | 0 mm | 6 | |
| 15 Sept. | Mist | 22° /12° | 0 mm | 6 | |
| 16 Sept. | Mist | 23° /11° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 21° /11° | 1.4 mm | 5 | |
| 18 Sept. | Overcast | 20° /10° | 0 mm | 5 | |
| 19 Sept. | Cloudy | 19° /9° | 0 mm | 4 | |
| 20 Sept. | Sunny | 22° /10° | 0 mm | 6 | |
| 21 Sept. | Overcast | 22° /12° | 3.7 mm | 5 | |
| 22 Sept. | Overcast | 22° /15° | 1.6 mm | 5 | |
| 23 Sept. | Cloudy | 20° /11° | 19.1 mm | 5 | |
| 24 Sept. | Cloudy | 20° /11° | 0 mm | 5 | |
| 25 Sept. | Sunny | 19° /11° | 10.4 mm | 5 | |
| 26 Sept. | Patchy rain possible | 18° /11° | 9.4 mm | 4 | |
| 27 Sept. | Overcast | 19° /10° | 0 mm | 4 | |
| 28 Sept. | Sunny | 21° /8° | 0 mm | 5 | |
| 29 Sept. | Mist | 20° /10° | 0 mm | 5 | |
| 30 Sept. | Partly cloudy | 20° /12° | 0 mm | 6 | |
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Important Notice
Our weather forecast for North Bay 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 North Bay forecast closer to your planned date for the most up-to-date weather information.
North Bay in September - FAQ
What are the expected maximum and minimum temperatures in North Bay during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in North Bay during September?
Moderate rainfall is anticipated in North Bay during September, with a total of 67.1 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in North Bay during September?
The average wind speed in North Bay during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in North Bay
Explore the daily rainfall trends and prepare for North Bays September weather 💧
UV exposure in North Bay during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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