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Canada weather

Weather in Grimsby for September 2027

Your guide to Grimsby weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Grimsby at the beginning of September is 24.4 °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, Grimsby experiences minimal rainfall in September.

    • More

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

  • ✨ Is September a good time to visit Grimsby? – 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°/14°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Grimsby Weather September

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

Temperatures trend during September in Grimsby

See the weather trend as well as the moving average line

September weather in Grimsby day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 25° /14° 0.3 mm 6
2 Sept. Heavy rain
Heavy rain
 24° /15° 40.2 mm 4
3 Sept. Cloudy
Cloudy
 26° /14° 0.8 mm 6
4 Sept. Light rain
Light rain
 24° /16° 3.7 mm 6
5 Sept. Sunny
Sunny
 26° /16° 0 mm 7
6 Sept. Light rain
Light rain
 25° /17° 5.8 mm 6
7 Sept. Light rain shower
Light rain shower
 21° /14° 1.4 mm 5
8 Sept. Overcast
Overcast
 21° /14° 0 mm 5
9 Sept. Patchy rain possible
Patchy rain possible
 23° /14° 2 mm 5
10 Sept. Overcast
Overcast
 22° /14° 0 mm 5
11 Sept. Patchy rain possible
Patchy rain possible
 23° /14° 0.1 mm 6
12 Sept. Light rain shower
Light rain shower
 24° /14° 1.6 mm 6
13 Sept. Overcast
Overcast
 23° /14° 0.1 mm 5
14 Sept. Mist
Mist
 21° /12° 0 mm 6
15 Sept. Partly cloudy
Partly cloudy
 24° /13° 0.1 mm 5
16 Sept. Mist
Mist
 23° /14° 0.2 mm 5
17 Sept. Fog
Fog
 22° /15° 0.9 mm 4
18 Sept. Overcast
Overcast
 23° /14° 0 mm 5
19 Sept. Overcast
Overcast
 20° /13° 0 mm 4
20 Sept. Mist
Mist
 21° /12° 0 mm 4
21 Sept. Light rain
Light rain
 21° /13° 3.2 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
 20° /15° 0.5 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 21° /15° 2.4 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 19° /15° 1.4 mm 5
25 Sept. Moderate rain
Moderate rain
 22° /15° 21.6 mm 5
26 Sept. Mist
Mist
 21° /14° 0.3 mm 4
27 Sept. Overcast
Overcast
 20° /13° 0 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 19° /14° 1 mm 4
29 Sept. Overcast
Overcast
 20° /14° 0.8 mm 4
30 Sept. Fog
Fog
 21° /14° 0 mm 4
Next
Important Notice
Our weather forecast for Grimsby 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 Grimsby forecast closer to your planned date for the most up-to-date weather information.
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Grimsby in September - FAQ

What are the expected maximum and minimum temperatures in Grimsby during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Grimsby during September?
Moderate rainfall is anticipated in Grimsby during September, with a total of 88.1 mm spread over approximately 5 days. Considering plans for rainy days is advisable.

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

September rainfall patterns in Grimsby

Explore the daily rainfall trends and prepare for Grimsbys September weather 💧
Typically, Grimsby has 5 rainy days in September with a total of 88.1 mm of rainfall.

UV exposure in Grimsby during September

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

Get accurate weather forecasts for Grimsby, located at latitude 43.2 and longitude -79.566. Stay updated with localized weather information tailored for Grimsby.

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