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Canada weather

Weather in Charlottetown for September 2026

Your guide to Charlottetown weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Charlottetown at the beginning of September is 21.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.3 °C by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Charlottetown experiences minimal rainfall in September.

    • More

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Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/10°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Charlottetown Weather September

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

Temperatures trend during September in Charlottetown

See the weather trend as well as the moving average line

September weather in Charlottetown day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 21° /12° 0 mm 5
2 Sept. Sunny
Sunny
 21° /12° 8.3 mm 5
3 Sept. Partly cloudy
Partly cloudy
 21° /13° 0.1 mm 5
4 Sept. Overcast
Overcast
 22° /12° 0 mm 6
5 Sept. Overcast
Overcast
 22° /13° 0 mm 5
6 Sept. Overcast
Overcast
 23° /16° 0.6 mm 5
7 Sept. Fog
Fog
 20° /16° 23.6 mm 5
8 Sept. Fog
Fog
 23° /14° 7.6 mm 5
9 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 20° /13° 0.1 mm 5
10 Sept. Light rain shower
Light rain shower
 20° /13° 0.6 mm 5
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /12° 5 mm 5
12 Sept. Overcast
Overcast
 18° /11° 0.3 mm 4
13 Sept. Fog
Fog
 21° /13° 0.5 mm 5
14 Sept. Heavy rain
Heavy rain
 20° /13° 8.8 mm 5
15 Sept. Mist
Mist
 19° /11° 0.9 mm 4
16 Sept. Light rain shower
Light rain shower
 23° /13° 7.2 mm 5
17 Sept. Light drizzle
Light drizzle
 22° /13° 0.7 mm 5
18 Sept. Overcast
Overcast
 22° /13° 0.1 mm 5
19 Sept. Moderate rain
Moderate rain
 18° /12° 1.8 mm 4
20 Sept. Patchy rain possible
Patchy rain possible
 18° /10° 0.2 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 0.4 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
 17° /8° 0.1 mm 4
23 Sept. Cloudy
Cloudy
 16° /10° 2.8 mm 4
24 Sept. Overcast
Overcast
 18° /8° 0 mm 4
25 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 0.1 mm 4
26 Sept. Partly cloudy
Partly cloudy
 17° /10° 14.2 mm 5
27 Sept. Mist
Mist
 17° /10° 23.6 mm 4
28 Sept. Overcast
Overcast
 18° /10° 0 mm 4
29 Sept. Fog
Fog
 19° /9° 0 mm 5
30 Sept. Fog
Fog
 16° /10° 0 mm 3
Next
Important Notice
Our weather forecast for Charlottetown 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 Charlottetown forecast closer to your planned date for the most up-to-date weather information.
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Charlottetown in September - FAQ

What are the expected maximum and minimum temperatures in Charlottetown during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Charlottetown during September?
Significant rainfall exceeding 265.7 mm is expected in Charlottetown during September, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Charlottetown during September?
The average wind speed in Charlottetown during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Charlottetown

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

UV exposure in Charlottetown during September

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

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Location coordinates Where is Charlottetown?

Get accurate weather forecasts for Charlottetown, located at latitude 46.235 and longitude -63.126. Stay updated with localized weather information tailored for Charlottetown.

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