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Canada weather

Weather in La Prairie for September 2026

Your guide to La Prairie weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in La Prairie has been nearly identical to the historical average, with a temperature of 23.9 °C (showing only a slight deviation of 0.1 °C).

  • The forecast for the next days in La Prairie predicts a temperature of 19.1 °C, which is cooler than the historical average.

  • In general, the average temperature in La Prairie at the beginning of September is 25 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °C by the end of September.

    • Rain 🌧️

  • The climate of La Prairie in September is notably wet, with an average of 13 rainy days, and a total of 182.4 mm of precipitation.

    • More

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

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/11°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
74 %
Avg humidity

La Prairie Weather September

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

Temperatures trend during September in La Prairie

See the weather trend as well as the moving average line

September weather in La Prairie day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 25° /11° 0.7 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
 24° /13° 26.8 mm 5
3 Sept. Mist
Mist
 25° /14° 25.3 mm 5
4 Sept. Partly cloudy
Partly cloudy
 26° /14° 25.4 mm 7
5 Sept. Fog
Fog
 25° /14° 10.5 mm 5
6 Sept. Fog
Fog
 25° /15° 12.4 mm 6
7 Sept. Light rain shower
Light rain shower
 25° /13° 4.5 mm 6
8 Sept. Light rain shower
Light rain shower
 21° /11° 15.4 mm 4
9 Sept. Overcast
Overcast
 22° /9° 5.1 mm 4
10 Sept. Light rain shower
Light rain shower
 22° /11° 8.3 mm 5
11 Sept. Overcast
Overcast
 21° /11° 2.8 mm 6
12 Sept. Sunny
Sunny
 26° /11° 0 mm 5.6
13 Sept. Overcast
Overcast
 23° /17° 3.2 mm 3.2
14 Sept. Sunny
Sunny
 18° /11° 0 mm 4.7
15 Sept. Overcast
Overcast
 20° /9° 0 mm 4.8
16 Sept. Overcast
Overcast
 23° /14° 0.2 mm 5
17 Sept. Overcast
Overcast
 17° /12° 2.3 mm 4
18 Sept. Sunny
Sunny
 22° /13° 0 mm 6
19 Sept. Overcast
Overcast
 20° /13° 0 mm 5
20 Sept. Overcast
Overcast
 17° /9° 0 mm 5
21 Sept. Sunny
Sunny
 14° /5° 0 mm 4
22 Sept. Overcast
Overcast
 18° /7° 0 mm 5
23 Sept. Partly cloudy
Partly cloudy
 20° /11° 2 mm 5
24 Sept. Overcast
Overcast
 16° /7° 3 mm 4
25 Sept. Sunny
Sunny
 13° /5° 0 mm 4
26 Sept. Partly cloudy
Partly cloudy
 20° /10° 62.2 mm 5
27 Sept. Mist
Mist
 21° /7° 0 mm 5
28 Sept. Mist
Mist
 22° /10° 0 mm 5
29 Sept. Mist
Mist
 22° /9° 0 mm 5
30 Sept. Mist
Mist
 21° /9° 0 mm 5
Next
Important Notice
Our weather forecast for La Prairie 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 La Prairie forecast closer to your planned date for the most up-to-date weather information.
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La Prairie in September - FAQ

What are the expected maximum and minimum temperatures in La Prairie during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in La Prairie during September?
Significant rainfall exceeding 182.4 mm is expected in La Prairie during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in La Prairie during September?
The average wind speed in La Prairie during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in La Prairie

Explore the daily rainfall trends and prepare for La Prairies September weather 💧
Typically, La Prairie has 13 rainy days in September with a total of 182.4 mm of rainfall.

UV exposure in La Prairie during September

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

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Location coordinates Where is La Prairie?

Get accurate weather forecasts for La Prairie, located at latitude 45.417 and longitude -73.499. Stay updated with localized weather information tailored for La Prairie.

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