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Canada weather

Weather in Guelph for September 2027

Your guide to Guelph weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Guelph at the beginning of September is 24 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.2 °C by the end of September.

    • Rain 🌧️

  • With an average of 5 rainy days, Guelph experiences minimal rainfall in September.

    • More

  • Is September a good time to visit Guelph? check out the best time to travel to Guelph page.

  • ✨ Is September a good time to visit Guelph? – Ask the AI Weatherman

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Guelph Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
25°
2
Moderate rain
24°
3
Thundery outbreaks possible
26°
4
Light rain
25°
5
Overcast
26°
6
Thundery outbreaks possible
24°
7
Light rain
19°
8
Mist
21°
9
Light rain
23°
10
Overcast
23°
11
Partly cloudy
23°
12
Light rain
24°
13
Overcast
22°
14
Sunny
21°
15
Partly cloudy
24°
16
Mist
24°
17
Light rain shower
22°
18
Fog
23°
19
Overcast
20°
20
Mist
20°
21
Overcast
21°
22
Moderate rain
20°
23
Moderate rain
21°
24
Light rain
18°
25
Light rain
21°
26
Overcast
20°
27
Fog
21°
28
Light drizzle
20°
29
Overcast
21°
30
Mist
21°

Temperatures trend during September in Guelph

See the weather trend as well as the moving average line

September weather in Guelph day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 25° /13° 0.1 mm 7
2 Sept. Moderate rain
Moderate rain
 24° /13° 23 mm 4
3 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 26° /13° 0.2 mm 5
4 Sept. Light rain
Light rain
 25° /14° 8.4 mm 6
5 Sept. Overcast
Overcast
 26° /13° 0 mm 6
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 24° /13° 2.9 mm 6
7 Sept. Light rain
Light rain
 19° /11° 3.2 mm 4
8 Sept. Mist
Mist
 21° /9° 0.1 mm 4
9 Sept. Light rain
Light rain
 23° /11° 3.3 mm 4
10 Sept. Overcast
Overcast
 23° /12° 0.3 mm 5
11 Sept. Partly cloudy
Partly cloudy
 23° /12° 0.7 mm 6
12 Sept. Light rain
Light rain
 24° /12° 3.1 mm 6
13 Sept. Overcast
Overcast
 22° /13° 0.1 mm 5
14 Sept. Sunny
Sunny
 21° /9° 0 mm 6
15 Sept. Partly cloudy
Partly cloudy
 24° /12° 0.3 mm 5
16 Sept. Mist
Mist
 24° /12° 0 mm 5
17 Sept. Light rain shower
Light rain shower
 22° /13° 1 mm 4
18 Sept. Fog
Fog
 23° /11° 0 mm 6
19 Sept. Overcast
Overcast
 20° /10° 0 mm 4
20 Sept. Mist
Mist
 20° /9° 0 mm 4
21 Sept. Overcast
Overcast
 21° /11° 0.7 mm 4
22 Sept. Moderate rain
Moderate rain
 20° /12° 12.2 mm 5
23 Sept. Moderate rain
Moderate rain
 21° /12° 11.9 mm 5
24 Sept. Light rain
Light rain
 18° /12° 5 mm 5
25 Sept. Light rain
Light rain
 21° /13° 7.1 mm 5
26 Sept. Overcast
Overcast
 20° /11° 0.3 mm 4
27 Sept. Fog
Fog
 21° /10° 0 mm 5
28 Sept. Light drizzle
Light drizzle
 20° /12° 0.3 mm 4
29 Sept. Overcast
Overcast
 21° /12° 0.8 mm 5
30 Sept. Mist
Mist
 21° /12° 0.2 mm 4
Next
Important Notice
Our weather forecast for Guelph 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 Guelph forecast closer to your planned date for the most up-to-date weather information.
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Guelph in September - FAQ

What are the expected maximum and minimum temperatures in Guelph during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Guelph during September?
Moderate rainfall is anticipated in Guelph during September, with a total of 85 mm spread over approximately 5 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Guelph during September?
The average wind speed in Guelph during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Guelph

Explore the daily rainfall trends and prepare for Guelphs September weather 💧
Typically, Guelph has 5 rainy days in September with a total of 85 mm of rainfall.

UV exposure in Guelph 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 Guelph, located at latitude 43.546 and longitude -80.256. Stay updated with localized weather information tailored for Guelph.

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