Châteauguay
September
Weather in Châteauguay for September 2024
Your guide to Châteauguay weather in September - trends and predictions
Until now, September 2024 in Châteauguay is slightly cooler than the historical average by -1.9 °C.
Expect cooler weather in the next days in Châteauguay with the forecast suggesting a temperature of 19.4 °C, lower than the historical average.
In general, the average temperature in Châteauguay at the beginning of September is 25 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °C by the end of September.
Châteauguay 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
76 %
Avg humidity
Châteauguay in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | ||||||
| 2 22° | 3 24° | 4 27° | 5 27° | 6  27° | 7  24° | 8  19° |
| 9  20° | 10 19° | 11 22° | 12 24° | 13  22° | 14 21° | 15  24° |
| 16 24° | 17 25° | 18 23° | 19 30° | 20 24° | 21 23° | 22  22° |
| 23 20° | 24 13° | 25 16° | 26 19° | 27 22° | 28 22° | 29 23° |
| 30 15° |
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Temperatures trend during September in Châteauguay
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. | Mist | 24° /10° | 4.2 mm | 5 | |
| 2 Sept. | Mist | 22° /11° | 0 mm | 5 | |
| 3 Sept. | Mist | 24° /12° | 0 mm | 6 | |
| 4 Sept. | Mist | 27° /14° | 0 mm | 7 | |
| 5 Sept. | Mist | 27° /17° | 0 mm | 6 | |
| 6 Sept. | Cloudy | 27° /17° | 0.1 mm | 6 | |
| 7 Sept. | Patchy light rain with thunder | 24° /14° | 10.5 mm | 5 | |
| 8 Sept. | Light rain shower | 19° /11° | 24.5 mm | 5 | |
| 9 Sept. | Overcast | 20° /9° | 0 mm | 5 | |
| 10 Sept. | Light rain shower | 19° /11° | 8.1 mm | 5 | |
| 11 Sept. | Overcast | 22° /11° | 3 mm | 6 | |
| 12 Sept. | Mist | 24° /12° | 1.5 mm | 6 | |
| 13 Sept. | Moderate rain | 22° /13° | 6.7 mm | 6 | |
| 14 Sept. | Overcast | 21° /12° | 0 mm | 6 | |
| 15 Sept. | Partly cloudy | 24° /11° | 0 mm | 7 | |
| 16 Sept. | Overcast | 24° /14° | 0 mm | 6 | |
| 17 Sept. | Partly cloudy | 25° /12° | 0 mm | 6 | |
| 18 Sept. | Fog | 23° /13° | 0.8 mm | 6 | |
| 19 Sept. | Partly cloudy | 30° /16° | 0 mm | 5 | |
| 20 Sept. | Patchy rain possible | 24° /16° | 3 mm | 4 | |
| 21 Sept. | Partly cloudy | 23° /16° | 0 mm | 4 | |
| 22 Sept. | Sunny | 22° /11° | 0 mm | 5 | |
| 23 Sept. | Patchy rain possible | 20° /13° | 0.4 mm | 1 | |
| 24 Sept. | Moderate rain | 13° /12° | 8.3 mm | 3 | |
| 25 Sept. | Patchy rain possible | 16° /13° | 4.9 mm | 3 | |
| 26 Sept. | Patchy rain possible | 19° /14° | 1.2 mm | 4 | |
| 27 Sept. | Partly cloudy | 22° /13° | 0 mm | 5 | |
| 28 Sept. | Sunny | 22° /14° | 0 mm | 5 | |
| 29 Sept. | Sunny | 23° /15° | 0 mm | 5 | |
| 30 Sept. | Moderate rain | 15° /11° | 9.9 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Châteauguay 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 Châteauguay forecast closer to your planned date for the most up-to-date weather information.
Châteauguay in September - FAQ
What are the expected maximum and minimum temperatures in Châteauguay 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 Châteauguay during September?
Significant rainfall exceeding 118.2 mm is expected in Châteauguay during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Châteauguay during September?
The average wind speed in Châteauguay during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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