Weather in Saint-Jérôme for September 2026
Until now, September 2026 in Saint-Jérôme has been nearly identical to the historical average, with a temperature of 22.7 °C (showing only a slight deviation of 0.2 °C).
Expect cooler weather in the next days in Saint-Jérôme with the forecast suggesting a temperature of 18.8 °C, lower than the historical average.
In general, the average temperature in Saint-Jérôme at the beginning of September is 23.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.1 °C by the end of September.
The climate of Saint-Jérôme in September is notably wet, with an average of 11 rainy days, and a total of 128.8 mm of precipitation.
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Saint-Jérôme Weather September
Temperatures trend during September in Saint-Jérôme
September weather in Saint-Jérôme day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 24° /11° | 1.5 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 23° /11° | 25.9 mm | 5 | |
| 3 Sept. |  Partly cloudy | 24° /13° | 2 mm | 5 | |
| 4 Sept. |  Fog | 25° /13° | 22 mm | 6 | |
| 5 Sept. | Fog | 25° /13° | 33.5 mm | 5 | |
| 6 Sept. |  Overcast | 24° /14° | 0.1 mm | 6 | |
| 7 Sept. |  Patchy light rain with thunder | 22° /12° | 6.3 mm | 5 | |
| 8 Sept. | Light rain shower | 18° /10° | 8.9 mm | 4 | |
| 9 Sept. | Sunny | 21° /8° | 7.9 mm | 4 | |
| 10 Sept. | Overcast | 22° /10° | 0 mm | 6 | |
| 11 Sept. | Sunny | 21° /9° | 0 mm | 5.2 | |
| 12 Sept. | Overcast | 22° /11° | 0 mm | 5.3 | |
| 13 Sept. | Patchy rain possible | 22° /16° | 1.8 mm | 4.3 | |
| 14 Sept. | Sunny | 18° /10° | 0 mm | 4.8 | |
| 15 Sept. | Overcast | 17° /7° | 0.1 mm | 4 | |
| 16 Sept. | Patchy rain possible | 20° /14° | 21.8 mm | 5 | |
| 17 Sept. | Overcast | 19° /14° | 0 mm | 4 | |
| 18 Sept. | Sunny | 16° /11° | 0 mm | 5 | |
| 19 Sept. | Sunny | 19° /8° | 0 mm | 5 | |
| 20 Sept. | Sunny | 18° /7° | 0 mm | 5 | |
| 21 Sept. | Sunny | 20° /11° | 0 mm | 6 | |
| 22 Sept. | Overcast | 20° /10° | 0 mm | 5 | |
| 23 Sept. | Overcast | 12° /9° | 0 mm | 3 | |
| 24 Sept. | Sunny | 19° /9° | 0 mm | 5 | |
| 25 Sept. | Sunny | 16° /10° | 58.5 mm | 4 | |
| 26 Sept. | Sunny | 20° /10° | 29.8 mm | 5 | |
| 27 Sept. | Partly cloudy | 21° /9° | 0 mm | 6 | |
| 28 Sept. |  Cloudy | 22° /11° | 0 mm | 5 | |
| 29 Sept. | Mist | 22° /11° | 0 mm | 6 | |
| 30 Sept. | Partly cloudy | 21° /11° | 0 mm | 6 | |
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Saint-Jérôme in September - FAQ
What are the expected maximum and minimum temperatures in Saint-Jérôme during September?
How much rainfall should be expected in Saint-Jérôme during September?
What are the typical wind conditions in Saint-Jérôme during September?
September rainfall patterns in Saint-Jérôme
UV exposure in Saint-Jérôme during September
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