Welland
September
Weather in Welland for September 2025
Your guide to Welland weather in September - trends and predictions
In general, the average temperature in Welland at the beginning of September is 25.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.7 °C by the end of September.
Welland sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
23°/13°
Temperatures
17 km/h
Avg max wind
72 %
Avg humidity
Welland in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  22° | 3 25° | 4 28° | 5 28° | 6  28° | 7  21° |
| 8 22° | 9 23° | 10 21° | 11 25° | 12 26° | 13 22° | 14 24° |
| 15 25° | 16 25° | 17 22° | 18 24° | 19 21° | 20  23° | 21 25° |
| 22 25° | 23 22° | 24  22° | 25 23° | 26 23° | 27 21° | 28  19° |
| 29 22° | 30 22° |
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Temperatures trend during September in Welland
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. | Partly cloudy | 25° /13° | 0.3 mm | 6 | |
| 2 Sept. | Overcast | 22° /14° | 0.6 mm | 5 | |
| 3 Sept. | Partly cloudy | 25° /14° | 0 mm | 7 | |
| 4 Sept. | Partly cloudy | 28° /17° | 0 mm | 7 | |
| 5 Sept. | Partly cloudy | 28° /17° | 0 mm | 8 | |
| 6 Sept. | Fog | 28° /18° | 1.9 mm | 6 | |
| 7 Sept. | Light rain shower | 21° /14° | 4.3 mm | 5 | |
| 8 Sept. | Light rain shower | 22° /12° | 0.5 mm | 6 | |
| 9 Sept. | Overcast | 23° /13° | 0.3 mm | 5 | |
| 10 Sept. | Light rain shower | 21° /14° | 4.8 mm | 5 | |
| 11 Sept. | Partly cloudy | 25° /14° | 0 mm | 7 | |
| 12 Sept. | Light rain shower | 26° /15° | 1.6 mm | 6 | |
| 13 Sept. | Overcast | 22° /13° | 0 mm | 6 | |
| 14 Sept. | Mist | 24° /12° | 0 mm | 6 | |
| 15 Sept. | Mist | 25° /13° | 0 mm | 6 | |
| 16 Sept. | Mist | 25° /14° | 0 mm | 6 | |
| 17 Sept. | Overcast | 22° /14° | 0 mm | 5 | |
| 18 Sept. | Fog | 24° /14° | 0.3 mm | 6 | |
| 19 Sept. | Fog | 21° /11° | 0 mm | 5 | |
| 20 Sept. | Sunny | 23° /11° | 0 mm | 6 | |
| 21 Sept. | Mist | 25° /16° | 1.9 mm | 6 | |
| 22 Sept. | Mist | 25° /13° | 0 mm | 6 | |
| 23 Sept. | Overcast | 22° /14° | 3.5 mm | 5 | |
| 24 Sept. | Cloudy | 22° /12° | 1.7 mm | 5 | |
| 25 Sept. | Mist | 23° /15° | 0 mm | 5 | |
| 26 Sept. | Mist | 23° /15° | 0 mm | 5 | |
| 27 Sept. | Overcast | 21° /11° | 0 mm | 5 | |
| 28 Sept. | Light drizzle | 19° /14° | 0.2 mm | 5 | |
| 29 Sept. | Mist | 22° /16° | 0 mm | 5 | |
| 30 Sept. | Mist | 22° /14° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Welland 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 Welland forecast closer to your planned date for the most up-to-date weather information.
Welland in September - FAQ
What are the expected maximum and minimum temperatures in Welland during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Welland during September?
In September, Welland can expect light to moderate rainfall, totaling 25.1 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Welland during September?
The average wind speed in Welland during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Welland
Explore the daily rainfall trends and prepare for Wellands September weather 💧
UV exposure in Welland during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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