Summerside Weather in September

During September, Summerside experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 13°C (55°F). As part of the summer season, expect quite a bit of rainfall. Around 109 mm (4.3 in) is typical.

Rainfall in Summerside in September

Expect around 12 days of rain based on historical data, with 109 mm (4.3 in) average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Summerside in September

Summerside in September gets highs of 20°C (68°F) during the day and drops to 13°C (55°F) at night. September is in the summer season. Conditions are often most pleasant around the middle of the day. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Summerside in September

With about 183 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Canada, check out our Summerside's climate page.

Summerside Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 38%  

Precipitation 109 mm (4.3 in)  

Rainy days 12 days  

Sunshine 183 hours *  

Percentage Sunshine 48% *  

* Data from: Charlottetown, Canada (53 KM, 33 Miles).

What to Wear in Summerside in September

For Summerside in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Summerside in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Summerside's climate page.

More climate data for Summerside

Temperature Rainfall Sunshine

See the full Summerside climate overview or explore weather in Canada.