Prince Edward Island (Charlottetown)
September
Weather in Prince Edward Island for September 2026
Your guide to Prince Edward Island weather in September - trends and predictions
Until now, September 2026 in Prince Edward Island is cooler than usual, with temperatures averaging 17.2 °C, this is 3.3 °C below the typical seasonal average.
Expect cooler weather in the next days in Prince Edward Island with the forecast suggesting a temperature of 15.9 °C, lower than the historical average.
In general, the average temperature in Prince Edward Island at the beginning of September is 20.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.6 °C by the end of September.
Prince Edward Island experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 107.5 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
19°/12°
Temperatures
22 km/h
Avg max wind
80 %
Avg humidity
Prince Edward Island Weather September
Move between months or click on a day
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
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 21° /12° | 0.1 mm | 5 | |
| 2 Sept. | Sunny | 21° /11° | 6.2 mm | 6 | |
| 3 Sept. |  Overcast | 21° /12° | 0.1 mm | 4 | |
| 4 Sept. | Overcast | 21° /13° | 79.3 mm | 5 | |
| 5 Sept. | Overcast | 20° /13° | 119.4 mm | 4 | |
| 6 Sept. | Overcast | 21° /15° | 29.2 mm | 4 | |
| 7 Sept. |  Moderate rain | 19° /15° | 34.1 mm | 4 | |
| 8 Sept. | Overcast | 21° /13° | 5.7 mm | 5 | |
| 9 Sept. | Overcast | 19° /12° | 0.1 mm | 4 | |
| 10 Sept. |  Light rain shower | 21° /12° | 29.6 mm | 4 | |
| 11 Sept. |  Moderate or heavy rain shower | 19° /12° | 3.8 mm | 5 | |
| 12 Sept. | Overcast | 16° /9° | 0 mm | 4.3 | |
| 13 Sept. | Overcast | 19° /12° | 0.8 mm | 4.7 | |
| 14 Sept. | Patchy rain possible | 17° /12° | 0.8 mm | 2.8 | |
| 15 Sept. | Sunny | 16° /8° | 0 mm | 5 | |
| 16 Sept. | Overcast | 18° /10° | 0 mm | 5 | |
| 17 Sept. | Overcast | 19° /11° | 0 mm | 4 | |
| 18 Sept. | Patchy rain possible | 14° /9° | 0.1 mm | 3 | |
| 19 Sept. | Sunny | 16° /7° | 0 mm | 5 | |
| 20 Sept. | Sunny | 17° /9° | 0 mm | 5 | |
| 21 Sept. | Sunny | 15° /7° | 0 mm | 5 | |
| 22 Sept. | Sunny | 12° /6° | 0 mm | 4 | |
| 23 Sept. | Overcast | 14° /6° | 0 mm | 3 | |
| 24 Sept. | Overcast | 16° /10° | 0 mm | 4 | |
| 25 Sept. | Light rain shower | 13° /12° | 7.1 mm | 3 | |
| 26 Sept. |  Partly cloudy | 17° /10° | 14.2 mm | 5 | |
| 27 Sept. |  Mist | 17° /10° | 23.6 mm | 4 | |
| 28 Sept. | Overcast | 18° /10° | 0 mm | 4 | |
| 29 Sept. | Fog | 19° /9° | 0 mm | 5 | |
| 30 Sept. | Fog | 16° /10° | 0 mm | 3 | |
| 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.
Change Month
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 19° and cooler nights around 12°. 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 107.5 mm is expected in Prince Edward Island during September, occurring over more than 10 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 💧
Typically, Prince Edward Island has 10 rainy days in September with a total of 107.5 mm of rainfall.
UV exposure in Prince Edward Island during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Prince Edward Island
Select a province for an accurate weather forecast
Top locations in Prince Edward Island
Select a location for an accurate weather forecast
More Locations Quick links
More Prince Edward Island weather pages
You are here
Where is Prince Edward Island?Get accurate weather forecasts for Prince Edward Island, located at latitude 46.235 and longitude -63.126. Stay updated with localized weather information tailored for Prince Edward Island.
Found a mistake?
We appreciate your attention to details. Tell us here.