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Waterloo in September average weather

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Temperatures trend during September in Waterloo

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September weather day by day

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August October

Date	Weather	Temperatures	Rain	UV
1 Sept.	Sunny	23° /10°	0.2 mm	6
2 Sept.	Mist	21° /10°	0 mm	6
3 Sept.	Overcast	27° /12°	0 mm	7
4 Sept.	Overcast	29° /14°	0 mm	7
5 Sept.	Overcast	30° /15°	0 mm	8
6 Sept.	Thundery outbreaks possible	27° /16°	6.9 mm	6
7 Sept.	Moderate or heavy rain shower	20° /12°	8.1 mm	5
8 Sept.	Mist	20° /11°	0.1 mm	5
9 Sept.	Overcast	23° /10°	0.1 mm	5
10 Sept.	Patchy rain possible	24° /11°	0.1 mm	6
11 Sept.	Light rain shower	24° /12°	1.2 mm	6
12 Sept.	Moderate or heavy rain shower	25° /13°	7.9 mm	6
13 Sept.	Cloudy	22° /11°	0 mm	6
14 Sept.	Mist	23° /9°	0 mm	6
15 Sept.	Mist	25° /10°	0 mm	6
16 Sept.	Mist	26° /10°	0 mm	6
17 Sept.	Light rain shower	23° /12°	1.9 mm	5
18 Sept.	Fog	22° /11°	0 mm	5
19 Sept.	Fog	21° /11°	0 mm	5
20 Sept.	Mist	24° /7°	0 mm	5
21 Sept.	Fog	25° /14°	4.6 mm	6
22 Sept.	Mist	23° /13°	3.3 mm	5
23 Sept.	Mist	23° /12°	14.1 mm	5
24 Sept.	Cloudy	21° /13°	5.7 mm	5
25 Sept.	Overcast	23° /13°	3 mm	5
26 Sept.	Fog	22° /11°	0 mm	5
27 Sept.	Overcast	19° /8°	0 mm	5
28 Sept.	Light drizzle	19° /12°	0.4 mm	5
29 Sept.	Patchy rain possible	20° /13°	0.1 mm	5
30 Sept.	Mist	21° /13°	0 mm	5
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Important Notice

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

Waterloo in September - FAQ

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

Enjoy moderate daytime temperatures of up to 24° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Waterloo during September?

In September, Waterloo can expect light to moderate rainfall, totaling 38.8 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Waterloo during September?

The average wind speed in Waterloo during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Waterloo

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

UV exposure in Waterloo during September

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

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Get accurate weather forecasts for Waterloo, located at latitude 43.467 and longitude -80.516. Stay updated with localized weather information tailored for Waterloo.

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