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Longueuil in September average weather

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Temperatures trend during September in Longueuil

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September weather day by day

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August October

Date	Weather	Temperatures	Rain	UV
1 Sept.	Mist	24° /11°	1.8 mm	5
2 Sept.	Mist	22° /11°	0 mm	5
3 Sept.	Mist	24° /13°	0 mm	6
4 Sept.	Mist	27° /15°	0 mm	7
5 Sept.	Mist	29° /17°	0 mm	7
6 Sept.	Mist	27° /18°	0 mm	6
7 Sept.	Patchy light rain with thunder	25° /14°	6.4 mm	6
8 Sept.	Light rain shower	19° /12°	22.4 mm	5
9 Sept.	Overcast	21° /9°	0 mm	5
10 Sept.	Light rain shower	20° /12°	6.8 mm	5
11 Sept.	Overcast	22° /11°	4 mm	6
12 Sept.	Overcast	24° /12°	0.5 mm	6
13 Sept.	Moderate rain	23° /13°	8.3 mm	6
14 Sept.	Overcast	21° /13°	0 mm	6
15 Sept.	Mist	24° /12°	0 mm	6
16 Sept.	Overcast	24° /15°	0 mm	6
17 Sept.	Partly cloudy	27° /14°	0.1 mm	7
18 Sept.	Light rain shower	24° /14°	0.6 mm	6
19 Sept.	Heavy rain	23° /14°	11.6 mm	5
20 Sept.	Overcast	23° /12°	0 mm	6
21 Sept.	Mist	21° /9°	0 mm	5
22 Sept.	Mist	21° /11°	0 mm	5
23 Sept.	Mist	20° /11°	0 mm	5
24 Sept.	Partly cloudy	22° /11°	0 mm	6
25 Sept.	Sunny	17° /10°	17.4 mm	5
26 Sept.	Mist	19° /9°	83.7 mm	5
27 Sept.	Mist	20° /8°	0 mm	5
28 Sept.	Mist	21° /10°	0 mm	5
29 Sept.	Mist	21° /9°	0 mm	5
30 Sept.	Mist	24° /10°	0 mm	6
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Important Notice

Our weather forecast for Longueuil 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 Longueuil forecast closer to your planned date for the most up-to-date weather information.

Longueuil in September - FAQ

What are the expected maximum and minimum temperatures in Longueuil during September?

Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Longueuil during September?

Significant rainfall exceeding 111 mm is expected in Longueuil during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Longueuil during September?

The average wind speed in Longueuil during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Longueuil

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

UV exposure in Longueuil during September

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

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Where is Longueuil?

Get accurate weather forecasts for Longueuil, located at latitude 45.531 and longitude -73.518. Stay updated with localized weather information tailored for Longueuil.

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Mon.	Tue.	Wed.	Thu.	Fri.	Sat.	Sun.
1 24°	2 22°	3 24°	4 27°	5 29°	6 27°	7 25°
8 19°	9 21°	10 20°	11 22°	12 24°	13 23°	14 21°
15 24°	16 24°	17 27°	18 24°	19 23°	20 23°	21 21°
22 21°	23 20°	24 22°	25 17°	26 19°	27 20°	28 21°
29 21°	30 24°