Joliette
September
Weather in Joliette for September 2025
Your guide to Joliette weather in September - trends and predictions
In general, the average temperature in Joliette at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of September.
Joliette experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 139.2 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
22°/11°
Temperatures
15 km/h
Avg max wind
79 %
Avg humidity
Joliette in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  21° | 3  24° | 4 26° | 5 27° | 6 27° | 7  25° |
| 8  18° | 9  20° | 10  20° | 11 22° | 12 22° | 13  23° | 14 20° |
| 15  23° | 16 23° | 17 25° | 18 23° | 19 22° | 20 22° | 21 21° |
| 22 21° | 23 20° | 24 21° | 25 16° | 26 17° | 27 21° | 28 20° |
| 29 20° | 30 21° |
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Temperatures trend during September in Joliette
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 | 24° /9° | 3.5 mm | 6 | |
| 2 Sept. | Cloudy | 21° /9° | 0.2 mm | 5 | |
| 3 Sept. | Mist | 24° /11° | 0 mm | 6 | |
| 4 Sept. | Fog | 26° /14° | 0 mm | 6 | |
| 5 Sept. | Fog | 27° /16° | 0 mm | 7 | |
| 6 Sept. | Fog | 27° /16° | 0.1 mm | 7 | |
| 7 Sept. | Patchy light rain with thunder | 25° /14° | 5.9 mm | 6 | |
| 8 Sept. | Light rain shower | 18° /11° | 7 mm | 5 | |
| 9 Sept. | Overcast | 20° /7° | 0 mm | 5 | |
| 10 Sept. | Patchy light rain | 20° /9° | 1.2 mm | 5 | |
| 11 Sept. | Cloudy | 22° /10° | 0.6 mm | 6 | |
| 12 Sept. | Overcast | 22° /12° | 0.1 mm | 5 | |
| 13 Sept. | Moderate rain | 23° /12° | 11.1 mm | 5 | |
| 14 Sept. | Mist | 20° /12° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 23° /9° | 0 mm | 6 | |
| 16 Sept. | Overcast | 23° /14° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 25° /11° | 0.8 mm | 6 | |
| 18 Sept. | Light rain shower | 23° /12° | 1.7 mm | 6 | |
| 19 Sept. | Moderate rain | 22° /12° | 6 mm | 5 | |
| 20 Sept. | Cloudy | 22° /12° | 0 mm | 6 | |
| 21 Sept. | Partly cloudy | 21° /8° | 0 mm | 6 | |
| 22 Sept. | Mist | 21° /7° | 0 mm | 6 | |
| 23 Sept. | Overcast | 20° /9° | 0 mm | 5 | |
| 24 Sept. | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 25 Sept. | Sunny | 16° /9° | 15.9 mm | 4 | |
| 26 Sept. | Sunny | 17° /8° | 85.2 mm | 4 | |
| 27 Sept. | Sunny | 21° /8° | 0 mm | 6 | |
| 28 Sept. | Sunny | 20° /10° | 0 mm | 5 | |
| 29 Sept. | Mist | 20° /9° | 0 mm | 5 | |
| 30 Sept. | Mist | 21° /9° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Joliette 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 Joliette forecast closer to your planned date for the most up-to-date weather information.
Joliette in September - FAQ
What are the expected maximum and minimum temperatures in Joliette 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 Joliette during September?
Significant rainfall exceeding 139.2 mm is expected in Joliette during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Joliette during September?
The average wind speed in Joliette during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Joliette
Explore the daily rainfall trends and prepare for Joliettes September weather 💧
UV exposure in Joliette during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Joliette?Get accurate weather forecasts for Joliette, located at latitude 46.016 and longitude -73.424. Stay updated with localized weather information tailored for Joliette.
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