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Weather in Sainte-Thérèse for September 2025

Your guide to Sainte-Thérèse weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Sainte-Thérèse is slightly cooler than the historical average by -0.8 °C.

  • The forecast for the next days in Sainte-Thérèse predicts temperatures to be around 24 °C, close to the historical average.

  • In general, the average temperature in Sainte-Thérèse at the beginning of September is 24.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.9 °C by the end of September.

    • Rain 🌧️

  • Sainte-Thérèse experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 123.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Sainte-Thérèse Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
25°
2
Overcast
23°
3
Fog
24°
4
Mist
27°
5
Mist
27°
6
Mist
25°
7
Light rain shower
22°
8
Light rain shower
20°
9
Cloudy
21°
10
Moderate rain
22°
11
Overcast
22°
12
Overcast
23°
13
Moderate rain
20°
14
Overcast
21°
15
Mist
24°
16
Sunny
27°
17
Sunny
28°
18
Moderate rain
27°
19
Moderate rain
19°
20
Sunny
18°
21
Patchy rain possible
24°
22
Patchy rain possible
28°
23
Patchy rain possible
31°
24
Sunny
27°
25
Sunny
22°
26
Sunny
17°
27
Sunny
19°
28
Sunny
23°
29
Sunny
21°
30
Mist
24°

Temperatures trend during September in Sainte-Thérèse

See the weather trend as well as the moving average line

September weather in Sainte-Thérèse day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 25° /11° 2.3 mm 5
2 Sept. Overcast
Overcast
 23° /13° 0 mm 5
3 Sept. Fog
Fog
 24° /13° 0 mm 6
4 Sept. Mist
Mist
 27° /14° 11.6 mm 6
5 Sept. Mist
Mist
 27° /14° 3.7 mm 7
6 Sept. Mist
Mist
 25° /16° 4.9 mm 5
7 Sept. Light rain shower
Light rain shower
 22° /12° 7.8 mm 5
8 Sept. Light rain shower
Light rain shower
 20° /10° 8.4 mm 5
9 Sept. Cloudy
Cloudy
 21° /8° 0 mm 5
10 Sept. Moderate rain
Moderate rain
 22° /10° 2 mm 5
11 Sept. Overcast
Overcast
 22° /12° 1.1 mm 5
12 Sept. Overcast
Overcast
 23° /11° 1.1 mm 5
13 Sept. Moderate rain
Moderate rain
 20° /12° 4.6 mm 5
14 Sept. Overcast
Overcast
 21° /12° 0 mm 5
15 Sept. Mist
Mist
 24° /12° 0 mm 6
16 Sept. Sunny
Sunny
 27° /11° 0 mm 1.2
17 Sept. Sunny
Sunny
 28° /12° 0 mm 1.1
18 Sept. Moderate rain
Moderate rain
 27° /16° 12.5 mm 1.1
19 Sept. Moderate rain
Moderate rain
 19° /8° 17.5 mm 1.1
20 Sept. Sunny
Sunny
 18° /5° 0 mm 0
21 Sept. Patchy rain possible
Patchy rain possible
 24° /6° 0.1 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 28° /16° 0.6 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 31° /17° 1.1 mm 5
24 Sept. Sunny
Sunny
 27° /16° 0 mm 6
25 Sept. Sunny
Sunny
 22° /10° 0 mm 5
26 Sept. Sunny
Sunny
 17° /5° 0 mm 4
27 Sept. Sunny
Sunny
 19° /9° 0 mm 4
28 Sept. Sunny
Sunny
 23° /7° 0 mm 4
29 Sept. Sunny
Sunny
 21° /10° 0 mm 4
30 Sept. Mist
Mist
 24° /10° 0 mm 6
Next
Important Notice
Our weather forecast for Sainte-Thérèse 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 Sainte-Thérèse forecast closer to your planned date for the most up-to-date weather information.
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Sainte-Thérèse in September - FAQ

What are the expected maximum and minimum temperatures in Sainte-Thérèse during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sainte-Thérèse during September?
Significant rainfall exceeding 123.9 mm is expected in Sainte-Thérèse during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sainte-Thérèse during September?
The average wind speed in Sainte-Thérèse during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Sainte-Thérèse

Explore the daily rainfall trends and prepare for Sainte-Thérèses September weather 💧

UV exposure in Sainte-Thérèse during September

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

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Location coordinates Where is Sainte-Thérèse?

Get accurate weather forecasts for Sainte-Thérèse, located at latitude 45.639 and longitude -73.828. Stay updated with localized weather information tailored for Sainte-Thérèse.

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