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Weather in Granby for September 2027

Your guide to Granby weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Granby at the beginning of September is 23.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of September.

    • Rain 🌧️

  • Granby experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 219.3 mm.

    • More

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

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

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/11°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Granby Weather September

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

Temperatures trend during September in Granby

See the weather trend as well as the moving average line

September weather in Granby day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 25° /11° 1.7 mm 5
2 Sept. Moderate rain
Moderate rain
 22° /13° 10.4 mm 4
3 Sept. Heavy rain
Heavy rain
 24° /13° 35.2 mm 5
4 Sept. Patchy rain possible
Patchy rain possible
 25° /14° 2.4 mm 6.8
5 Sept. Light rain
Light rain
 24° /14° 9.9 mm 5
6 Sept. Moderate rain
Moderate rain
 24° /14° 12.9 mm 6
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 24° /12° 4.8 mm 5
8 Sept. Moderate rain
Moderate rain
 20° /11° 16.4 mm 4
9 Sept. Light rain
Light rain
 20° /9° 3.9 mm 4
10 Sept. Moderate rain
Moderate rain
 20° /11° 23.9 mm 5
11 Sept. Patchy rain possible
Patchy rain possible
 20° /11° 1.2 mm 5
12 Sept. Mist
Mist
 22° /10° 0 mm 5
13 Sept. Moderate rain
Moderate rain
 20° /12° 20.2 mm 4
14 Sept. Overcast
Overcast
 19° /12° 0.1 mm 5
15 Sept. Mist
Mist
 20° /9° 0 mm 5
16 Sept. Overcast
Overcast
 22° /13° 0 mm 4
17 Sept. Patchy rain possible
Patchy rain possible
 22° /13° 0.2 mm 4
18 Sept. Fog
Fog
 22° /13° 0.4 mm 5.5
19 Sept. Light rain
Light rain
 18° /10° 7.5 mm 5
20 Sept. Mist
Mist
 18° /8° 0.8 mm 4
21 Sept. Sunny
Sunny
 19° /8° 0.2 mm 5
22 Sept. Overcast
Overcast
 19° /9° 0.2 mm 5
23 Sept. Light rain
Light rain
 20° /11° 6.2 mm 5
24 Sept. Sunny
Sunny
 21° /10° 0 mm 5
25 Sept. Moderate rain
Moderate rain
 19° /10° 14.3 mm 4.9
26 Sept. Heavy rain
Heavy rain
 19° /11° 43.8 mm 4
27 Sept. Fog
Fog
 19° /8° 0.8 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 20° /12° 1.9 mm 4
29 Sept. Overcast
Overcast
 20° /11° 0 mm 4.5
30 Sept. Sunny
Sunny
 19° /10° 0 mm 4
Next
Important Notice
Our weather forecast for Granby 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 Granby forecast closer to your planned date for the most up-to-date weather information.
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Granby in September - FAQ

What are the expected maximum and minimum temperatures in Granby during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Granby during September?
Significant rainfall exceeding 219.3 mm is expected in Granby during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Granby during September?
The average wind speed in Granby during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Granby

Explore the daily rainfall trends and prepare for Granbys September weather 💧
Typically, Granby has 8 rainy days in September with a total of 219.3 mm of rainfall.

UV exposure in Granby during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Granby?

Get accurate weather forecasts for Granby, located at latitude 45.4 and longitude -72.732. Stay updated with localized weather information tailored for Granby.

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