Regional Municipality of Niagara (Brantford)
September
Weather in Regional Municipality of Niagara for September 2025
Your guide to Regional Municipality of Niagara weather in September - trends and predictions
In general, the average temperature in Regional Municipality of Niagara at the beginning of September is 26.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.1 °C by the end of September.
Regional Municipality of Niagara experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 77.7 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
24°/12°
Temperatures
18 km/h
Avg max wind
73 %
Avg humidity
Regional Municipality of Niagara Weather September
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  24° | 2  23° | 3  29° | 4  31° | 5 31° | 6  29° | |
| 7  21° | 8 22° | 9 24° | 10 24° | 11 27° | 12  26° | 13 23° |
| 14 24° | 15 26° | 16 27° | 17 23° | 18 24° | 19 21° | 20 24° |
| 21 25° | 22 23° | 23 23° | 24 21° | 25 23° | 26 23° | 27 20° |
| 28 18° | 29 21° | 30 22° |
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Temperatures trend during September in Regional Municipality of Niagara
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. | Sunny | 24° /10° | 0.3 mm | 6 | |
| 2 Sept. | Mist | 23° /8° | 0.1 mm | 6 | |
| 3 Sept. | Overcast | 29° /12° | 0 mm | 7 | |
| 4 Sept. | Partly cloudy | 31° /14° | 0 mm | 8 | |
| 5 Sept. | Mist | 31° /15° | 0 mm | 8 | |
| 6 Sept. | Thundery outbreaks possible | 29° /16° | 6 mm | 7 | |
| 7 Sept. | Light rain shower | 21° /12° | 3.3 mm | 5 | |
| 8 Sept. | Fog | 22° /10° | 0 mm | 5 | |
| 9 Sept. | Overcast | 24° /11° | 0 mm | 5 | |
| 10 Sept. | Overcast | 24° /12° | 0 mm | 6 | |
| 11 Sept. | Patchy rain possible | 27° /12° | 0.2 mm | 7 | |
| 12 Sept. | Moderate or heavy rain shower | 26° /13° | 5.8 mm | 6 | |
| 13 Sept. | Overcast | 23° /11° | 0 mm | 6 | |
| 14 Sept. | Mist | 24° /9° | 0 mm | 6 | |
| 15 Sept. | Overcast | 26° /10° | 0 mm | 6 | |
| 16 Sept. | Mist | 27° /9° | 0 mm | 7 | |
| 17 Sept. | Light rain shower | 23° /13° | 0.2 mm | 5 | |
| 18 Sept. | Fog | 24° /11° | 0 mm | 5 | |
| 19 Sept. | Mist | 21° /10° | 0 mm | 5 | |
| 20 Sept. | Mist | 24° /9° | 0 mm | 5 | |
| 21 Sept. | Mist | 25° /13° | 4.8 mm | 6 | |
| 22 Sept. | Mist | 23° /12° | 0 mm | 5 | |
| 23 Sept. | Mist | 23° /11° | 15.4 mm | 5 | |
| 24 Sept. | Partly cloudy | 21° /13° | 5 mm | 5 | |
| 25 Sept. | Mist | 23° /13° | 35.8 mm | 5 | |
| 26 Sept. | Fog | 23° /11° | 0 mm | 5 | |
| 27 Sept. | Overcast | 20° /9° | 0 mm | 5 | |
| 28 Sept. | Light rain shower | 18° /11° | 0.9 mm | 5 | |
| 29 Sept. | Patchy rain possible | 21° /14° | 0.1 mm | 5 | |
| 30 Sept. | Mist | 22° /14° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Regional Municipality of Niagara 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 Regional Municipality of Niagara forecast closer to your planned date for the most up-to-date weather information.
Regional Municipality of Niagara in September - FAQ
What are the expected maximum and minimum temperatures in Regional Municipality of Niagara during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Regional Municipality of Niagara during September?
Moderate rainfall is anticipated in Regional Municipality of Niagara during September, with a total of 77.7 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Regional Municipality of Niagara during September?
The average wind speed in Regional Municipality of Niagara during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Regional Municipality of Niagara
Explore the daily rainfall trends and prepare for Regional Municipality of Niagaras September weather 💧
UV exposure in Regional Municipality of Niagara during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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