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Châteauguay in September average weather

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Temperatures trend during September in Châteauguay

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September weather day by day

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August October

Date	Weather	Temperatures	Rain	UV
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.	Heavy rain	23° /14°	12.2 mm	5
20 Sept.	Cloudy	23° /11°	0 mm	5
21 Sept.	Partly cloudy	22° /9°	0 mm	6
22 Sept.	Mist	22° /10°	0 mm	5
23 Sept.	Mist	20° /10°	0 mm	5
24 Sept.	Cloudy	21° /12°	0 mm	6
25 Sept.	Sunny	17° /10°	17 mm	5
26 Sept.	Partly cloudy	19° /9°	79.3 mm	5
27 Sept.	Mist	21° /8°	0 mm	5
28 Sept.	Mist	21° /10°	0 mm	5
29 Sept.	Mist	21° /9°	0 mm	5
30 Sept.	Mist	23° /11°	0 mm	5
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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.

September rainfall patterns in Châteauguay

Explore the daily rainfall trends and prepare for Châteauguays September weather 💧

UV exposure in Châteauguay during September

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

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Where is Châteauguay?

Get accurate weather forecasts for Châteauguay, located at latitude 45.383 and longitude -73.749. Stay updated with localized weather information tailored for Châteauguay.

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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 23°	20 23°	21 22°
22 22°	23 20°	24 21°	25 17°	26 19°	27 21°	28 21°
29 21°	30 23°