Saint-Jérôme
September
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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22
Dry days
8
Rainy days
0
Snow days
23°/11°
Temperatures
14 km/h
Avg max wind
74 %
Avg humidity
Saint-Jérôme in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  21° | 3  24° | 4 26° | 5 28° | 6 27° | 7  23° |
| 8 17° | 9  20° | 10 20° | 11 22° | 12 22° | 13  22° | 14 20° |
| 15 24° | 16 24° | 17  25° | 18 24° | 19 23° | 20  22° | 21 21° |
| 22 21° | 23 20° | 24  20° | 25 16° | 26 18° | 27 22° | 28 21° |
| 29 21° | 30 23° |
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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 | 23° /10° | 3 mm | 6 | |
| 2 Sept. | Patchy rain possible | 21° /10° | 0.1 mm | 5 | |
| 3 Sept. | Fog | 24° /11° | 0 mm | 6 | |
| 4 Sept. | Fog | 26° /13° | 0 mm | 6 | |
| 5 Sept. | Fog | 28° /15° | 0 mm | 7 | |
| 6 Sept. | Mist | 27° /16° | 0.1 mm | 6 | |
| 7 Sept. | Patchy light rain with thunder | 23° /13° | 12.6 mm | 5 | |
| 8 Sept. | Light rain shower | 17° /10° | 6.3 mm | 4 | |
| 9 Sept. | Overcast | 20° /7° | 0 mm | 5 | |
| 10 Sept. | Overcast | 20° /9° | 0 mm | 5 | |
| 11 Sept. | Overcast | 22° /10° | 0.6 mm | 6 | |
| 12 Sept. | Fog | 22° /12° | 1.6 mm | 6 | |
| 13 Sept. | Moderate rain | 22° /12° | 4.1 mm | 5 | |
| 14 Sept. | Mist | 20° /10° | 0.1 mm | 5 | |
| 15 Sept. | Sunny | 24° /11° | 0 mm | 7 | |
| 16 Sept. | Overcast | 24° /13° | 0 mm | 6 | |
| 17 Sept. | Light drizzle | 25° /13° | 0.2 mm | 6 | |
| 18 Sept. | Light rain shower | 24° /13° | 1.4 mm | 6 | |
| 19 Sept. | Moderate rain | 23° /15° | 2.6 mm | 5 | |
| 20 Sept. | Cloudy | 22° /11° | 0 mm | 5 | |
| 21 Sept. | Sunny | 21° /8° | 0 mm | 5 | |
| 22 Sept. | Mist | 21° /10° | 0 mm | 5 | |
| 23 Sept. | Mist | 20° /10° | 0 mm | 5 | |
| 24 Sept. | Partly cloudy | 20° /10° | 0 mm | 6 | |
| 25 Sept. | Sunny | 16° /9° | 26.4 mm | 4 | |
| 26 Sept. | Sunny | 18° /9° | 44.8 mm | 5 | |
| 27 Sept. | Sunny | 22° /9° | 0 mm | 6 | |
| 28 Sept. | Sunny | 21° /10° | 0 mm | 5 | |
| 29 Sept. | Mist | 21° /11° | 0 mm | 5 | |
| 30 Sept. | 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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