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Weather in Port Colborne for September 2026

Your guide to Port Colborne weather in September - trends and predictions

    Temperatures

  • Expect cooler weather in the next days in Port Colborne with the forecast suggesting a temperature of 22.1 °C, lower than the historical average.

  • In general, the average temperature in Port Colborne at the beginning of September is 25 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.9 °C by the end of September.

    • Rain 🌧️

  • Port Colborne experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 66.5 mm.

    • More

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Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/14°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Port Colborne Weather September

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

Temperatures trend during September in Port Colborne

See the weather trend as well as the moving average line

September weather in Port Colborne day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Heavy rain at times
Heavy rain at times
 27° /15° 0.9 mm 6
2 Sept. Partly cloudy
Partly cloudy
 24° /15° 50.1 mm 4
3 Sept. Sunny
Sunny
 25° /14° 1.4 mm 4
4 Sept. Sunny
Sunny
 24° /15° 2.9 mm 5
5 Sept. Sunny
Sunny
 25° /14° 0 mm 6
6 Sept. Sunny
Sunny
 26° /15° 0 mm 6.9
7 Sept. Sunny
Sunny
 24° /15° 0 mm 6.3
8 Sept. Overcast
Overcast
 24° /17° 0 mm 5.7
9 Sept. Overcast
Overcast
 22° /19° 14 mm 1.4
10 Sept. Overcast
Overcast
 22° /14° 2.4 mm 5.4
11 Sept. Sunny
Sunny
 19° /11° 0 mm 5
12 Sept. Overcast
Overcast
 22° /16° 0 mm 6
13 Sept. Overcast
Overcast
 25° /18° 0 mm 5
14 Sept. Overcast
Overcast
 23° /19° 22.9 mm 5
15 Sept. Light rain shower
Light rain shower
 23° /16° 14.4 mm 6
16 Sept. Overcast
Overcast
 18° /15° 0.1 mm 4
17 Sept. Sunny
Sunny
 22° /14° 0.3 mm 6
18 Sept. Overcast
Overcast
 16° /11° 0 mm 4
19 Sept. Sunny
Sunny
 23° /11° 1.2 mm 6
20 Sept. Overcast
Overcast
 25° /11° 0 mm 6
21 Sept. Patchy rain possible
Patchy rain possible
 25° /15° 0.3 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 25° /17° 0.7 mm 5
23 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /17° 4.3 mm 5
24 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /17° 11.3 mm 5
25 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /17° 23.2 mm 5
26 Sept. Overcast
Overcast
 22° /15° 0.2 mm 5
27 Sept. Overcast
Overcast
 22° /14° 0 mm 5
28 Sept. Heavy rain at times
Heavy rain at times
 21° /16° 2.3 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 23° /13° 0.4 mm 5
30 Sept. Overcast
Overcast
 21° /13° 0 mm 5
Next
Important Notice
Our weather forecast for Port Colborne 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 Port Colborne forecast closer to your planned date for the most up-to-date weather information.
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Port Colborne in September - FAQ

What are the expected maximum and minimum temperatures in Port Colborne during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Port Colborne during September?
Moderate rainfall is anticipated in Port Colborne during September, with a total of 66.5 mm spread over approximately 8 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Port Colborne during September?
The average wind speed in Port Colborne during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Port Colborne

Explore the daily rainfall trends and prepare for Port Colbornes September weather 💧
Typically, Port Colborne has 8 rainy days in September with a total of 66.5 mm of rainfall.

UV exposure in Port Colborne during September

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

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Location coordinates Where is Port Colborne?

Get accurate weather forecasts for Port Colborne, located at latitude 42.9 and longitude -79.233. Stay updated with localized weather information tailored for Port Colborne.

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