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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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Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/13°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Welland in September average weather

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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
Partly cloudy
25° /13° 0.3 mm 6
2 Sept. Overcast
Overcast
22° /14° 0.6 mm 5
3 Sept. Partly cloudy
Partly cloudy
25° /14° 0 mm 7
4 Sept. Partly cloudy
Partly cloudy
28° /17° 0 mm 7
5 Sept. Partly cloudy
Partly cloudy
28° /17° 0 mm 8
6 Sept. Fog
Fog
28° /18° 1.9 mm 6
7 Sept. Light rain shower
Light rain shower
21° /14° 4.3 mm 5
8 Sept. Light rain shower
Light rain shower
22° /12° 0.5 mm 6
9 Sept. Overcast
Overcast
23° /13° 0.3 mm 5
10 Sept. Light rain shower
Light rain shower
21° /14° 4.8 mm 5
11 Sept. Partly cloudy
Partly cloudy
25° /14° 0 mm 7
12 Sept. Light rain shower
Light rain shower
26° /15° 1.6 mm 6
13 Sept. Overcast
Overcast
22° /13° 0 mm 6
14 Sept. Mist
Mist
24° /12° 0 mm 6
15 Sept. Mist
Mist
25° /13° 0 mm 6
16 Sept. Mist
Mist
25° /14° 0 mm 6
17 Sept. Overcast
Overcast
22° /14° 0 mm 5
18 Sept. Fog
Fog
24° /14° 0.3 mm 6
19 Sept. Fog
Fog
21° /11° 0 mm 5
20 Sept. Sunny
Sunny
23° /11° 0 mm 6
21 Sept. Mist
Mist
25° /16° 1.9 mm 6
22 Sept. Mist
Mist
25° /13° 0 mm 6
23 Sept. Overcast
Overcast
22° /14° 3.5 mm 5
24 Sept. Cloudy
Cloudy
22° /12° 1.7 mm 5
25 Sept. Mist
Mist
23° /15° 0 mm 5
26 Sept. Mist
Mist
23° /15° 0 mm 5
27 Sept. Overcast
Overcast
21° /11° 0 mm 5
28 Sept. Light drizzle
Light drizzle
19° /14° 0.2 mm 5
29 Sept. Mist
Mist
22° /16° 0 mm 5
30 Sept. Mist
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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Location coordinates Where is Welland?

Get accurate weather forecasts for Welland, located at latitude 42.983 and longitude -79.25. Stay updated with localized weather information tailored for Welland.

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