Prince Edward Island (Charlottetown)
September
Weather in Prince Edward Island for September 2025
Your guide to Prince Edward Island weather in September - trends and predictions
Until now, September 2025 in Prince Edward Island has been nearly identical to the historical average, with a temperature of 20.4 °C (showing only a slight deviation of -0.4 °C).
The forecast for the next days in Prince Edward Island predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Prince Edward Island at the beginning of September is 21.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 20.7 °C by the end of September.
With an average of 3 rainy days, Prince Edward Island experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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27
Dry days
3
Rainy days
0
Snow days
21°/10°
Temperatures
22 km/h
Avg max wind
82 %
Avg humidity
Prince Edward Island Weather September
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What’s the Weather Like in Prince Edward Island This September?
Discover the average temperatures and weather trends across Prince Edward Island’s cities this September.
Temperatures trend during September in Prince Edward Island
See the weather trend as well as the moving average line
September weather in Prince Edward Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 21° /12° | 0 mm | 5 | |
| 2 Sept. | Sunny | 21° /12° | 8.3 mm | 5 | |
| 3 Sept. |  Partly cloudy | 21° /13° | 0.1 mm | 5 | |
| 4 Sept. |  Overcast | 22° /12° | 0 mm | 6 | |
| 5 Sept. | Overcast | 22° /13° | 0 mm | 5 | |
| 6 Sept. | Overcast | 23° /16° | 0.6 mm | 5 | |
| 7 Sept. |  Fog | 20° /16° | 23.6 mm | 5 | |
| 8 Sept. | Fog | 23° /14° | 7.6 mm | 5 | |
| 9 Sept. |  Thundery outbreaks possible | 20° /13° | 0.1 mm | 5 | |
| 10 Sept. |  Light rain shower | 20° /13° | 0.6 mm | 5 | |
| 11 Sept. |  Moderate or heavy rain shower | 20° /12° | 5 mm | 5 | |
| 12 Sept. | Overcast | 18° /11° | 0.3 mm | 4 | |
| 13 Sept. | Fog | 21° /13° | 0.5 mm | 5 | |
| 14 Sept. |  Heavy rain | 20° /13° | 8.8 mm | 5 | |
| 15 Sept. | Mist | 19° /11° | 0.9 mm | 4 | |
| 16 Sept. | Partly cloudy | 22° /10° | 0 mm | 1.2 | |
| 17 Sept. | Partly cloudy | 23° /10° | 0 mm | 1.1 | |
| 18 Sept. |  Cloudy | 19° /14° | 0 mm | 1 | |
| 19 Sept. |  Moderate rain | 15° /9° | 7.3 mm | 0.3 | |
| 20 Sept. | Partly cloudy | 12° /7° | 0.1 mm | 0.1 | |
| 21 Sept. | Sunny | 19° /7° | 0 mm | 4 | |
| 22 Sept. | Partly cloudy | 21° /13° | 0 mm | 5 | |
| 23 Sept. | Patchy rain possible | 24° /15° | 0.3 mm | 4 | |
| 24 Sept. | Partly cloudy | 21° /11° | 0.1 mm | 5 | |
| 25 Sept. | Sunny | 21° /10° | 0 mm | 5 | |
| 26 Sept. | Partly cloudy | 21° /14° | 0 mm | 5 | |
| 27 Sept. | Partly cloudy | 22° /14° | 0 mm | 5 | |
| 28 Sept. | Patchy rain possible | 21° /14° | 0.3 mm | 4 | |
| 29 Sept. | Patchy rain possible | 22° /15° | 0.5 mm | 4 | |
| 30 Sept. | Fog | 17° /10° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Prince Edward Island 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 Prince Edward Island forecast closer to your planned date for the most up-to-date weather information.
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Prince Edward Island in September - FAQ
What are the expected maximum and minimum temperatures in Prince Edward Island 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 Prince Edward Island during September?
Significant rainfall exceeding 265.7 mm is expected in Prince Edward Island during September, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Prince Edward Island during September?
The average wind speed in Prince Edward Island during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Prince Edward Island
Explore the daily rainfall trends and prepare for Prince Edward Islands September weather 💧
UV exposure in Prince Edward Island during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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