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Weather in Saint-Jérôme for September 2025

Your guide to Saint-Jérôme weather in September - trends and predictions
  • In general, the average temperature in Saint-Jérôme at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.1 °C by the end of September.

  • Saint-Jérôme 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°/11°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Saint-Jérôme in September average weather

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Temperatures trend during September in Saint-Jérôme

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. Sunny
Sunny
23° /10° 3 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
21° /10° 0.1 mm 5
3 Sept. Fog
Fog
24° /11° 0 mm 6
4 Sept. Fog
Fog
26° /13° 0 mm 6
5 Sept. Fog
Fog
28° /15° 0 mm 7
6 Sept. Mist
Mist
27° /16° 0.1 mm 6
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
23° /13° 12.6 mm 5
8 Sept. Light rain shower
Light rain shower
17° /10° 6.3 mm 4
9 Sept. Overcast
Overcast
20° /7° 0 mm 5
10 Sept. Overcast
Overcast
20° /9° 0 mm 5
11 Sept. Overcast
Overcast
22° /10° 0.6 mm 6
12 Sept. Fog
Fog
22° /12° 1.6 mm 6
13 Sept. Moderate rain
Moderate rain
22° /12° 4.1 mm 5
14 Sept. Mist
Mist
20° /10° 0.1 mm 5
15 Sept. Sunny
Sunny
24° /11° 0 mm 7
16 Sept. Overcast
Overcast
24° /13° 0 mm 6
17 Sept. Light drizzle
Light drizzle
25° /13° 0.2 mm 6
18 Sept. Light rain shower
Light rain shower
24° /13° 1.4 mm 6
19 Sept. Moderate rain
Moderate rain
23° /15° 2.6 mm 5
20 Sept. Cloudy
Cloudy
22° /11° 0 mm 5
21 Sept. Sunny
Sunny
21° /8° 0 mm 5
22 Sept. Mist
Mist
21° /10° 0 mm 5
23 Sept. Mist
Mist
20° /10° 0 mm 5
24 Sept. Partly cloudy
Partly cloudy
20° /10° 0 mm 6
25 Sept. Sunny
Sunny
16° /9° 26.4 mm 4
26 Sept. Sunny
Sunny
18° /9° 44.8 mm 5
27 Sept. Sunny
Sunny
22° /9° 0 mm 6
28 Sept. Sunny
Sunny
21° /10° 0 mm 5
29 Sept. Mist
Mist
21° /11° 0 mm 5
30 Sept. Partly cloudy
Partly cloudy
23° /12° 0 mm 6
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Important Notice
Our weather forecast for Saint-Jérôme 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 Saint-Jérôme forecast closer to your planned date for the most up-to-date weather information.

Saint-Jérôme in September - FAQ

What are the expected maximum and minimum temperatures in Saint-Jérôme during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint-Jérôme during September?
In September, Saint-Jérôme can expect light to moderate rainfall, totaling 36.7 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Saint-Jérôme during September?
The average wind speed in Saint-Jérôme during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Saint-Jérôme

Explore the daily rainfall trends and prepare for Saint-Jérômes September weather 💧

UV exposure in Saint-Jérôme during September

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

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Location coordinates Where is Saint-Jérôme?

Get accurate weather forecasts for Saint-Jérôme, located at latitude 45.78 and longitude -74.004. Stay updated with localized weather information tailored for Saint-Jérôme.

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