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Weather in East Gwillimbury for September 2025

Your guide to East Gwillimbury weather in September - trends and predictions
  • In general, the average temperature in East Gwillimbury at the beginning of September is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °C by the end of September.

  • East Gwillimbury sees moderate rainfall in September, averaging 7 rainy days.

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/11°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
70 %
Avg humidity

East Gwillimbury in September average weather

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Temperatures trend during September in East Gwillimbury

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. Mist
Mist
24° /10° 0 mm 6
2 Sept. Mist
Mist
21° /10° 0.3 mm 6
3 Sept. Thundery outbreaks possible
Thundery outbreaks possible
28° /12° 0.8 mm 7
4 Sept. Partly cloudy
Partly cloudy
30° /15° 0 mm 8
5 Sept. Partly cloudy
Partly cloudy
30° /16° 0 mm 8
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
29° /18° 7 mm 6
7 Sept. Light rain shower
Light rain shower
20° /11° 6 mm 5
8 Sept. Overcast
Overcast
21° /7° 0.1 mm 5
9 Sept. Mist
Mist
22° /9° 2.4 mm 5
10 Sept. Mist
Mist
23° /12° 0 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
25° /13° 0.4 mm 6
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /13° 8.6 mm 6
13 Sept. Cloudy
Cloudy
22° /12° 0 mm 6
14 Sept. Overcast
Overcast
23° /12° 0 mm 6
15 Sept. Mist
Mist
24° /10° 0 mm 6
16 Sept. Cloudy
Cloudy
25° /12° 0 mm 6
17 Sept. Light rain shower
Light rain shower
23° /13° 1 mm 5
18 Sept. Mist
Mist
22° /9° 0 mm 5
19 Sept. Partly cloudy
Partly cloudy
22° /8° 0 mm 6
20 Sept. Cloudy
Cloudy
23° /7° 0 mm 6
21 Sept. Mist
Mist
25° /14° 0 mm 6
22 Sept. Mist
Mist
23° /12° 4.5 mm 5
23 Sept. Mist
Mist
21° /12° 11.9 mm 5
24 Sept. Cloudy
Cloudy
21° /12° 0 mm 5
25 Sept. Overcast
Overcast
23° /13° 8.1 mm 5
26 Sept. Cloudy
Cloudy
21° /12° 0 mm 6
27 Sept. Mist
Mist
18° /9° 0 mm 4
28 Sept. Overcast
Overcast
19° /11° 0 mm 4
29 Sept. Overcast
Overcast
20° /14° 0 mm 5
30 Sept. Mist
Mist
21° /12° 0 mm 5
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Important Notice
Our weather forecast for East Gwillimbury 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 East Gwillimbury forecast closer to your planned date for the most up-to-date weather information.

East Gwillimbury in September - FAQ

What are the expected maximum and minimum temperatures in East Gwillimbury during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in East Gwillimbury during September?
In September, East Gwillimbury can expect light to moderate rainfall, totaling 32.3 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in East Gwillimbury during September?
The average wind speed in East Gwillimbury during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in East Gwillimbury

Explore the daily rainfall trends and prepare for East Gwillimburys September weather 💧

UV exposure in East Gwillimbury during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is East Gwillimbury?

Get accurate weather forecasts for East Gwillimbury, located at latitude 44.101 and longitude -79.438. Stay updated with localized weather information tailored for East Gwillimbury.

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