Kennebunk Weather in September

September in Kennebunk typically sees daytime highs of 22°C (72°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Kennebunk in September

You can expect rain on around 10 days based on historical patterns, with 95 mm (3.7 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Kennebunk in September

September is one of the better months to visit Kennebunk. Expect 22°C (72°F) during the day and 10°C (50°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 10°C (50°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Kennebunk in September

Expect sunny days throughout the month, with an estimated 228 hours of sunshine. This makes it a pleasant time to visit Kennebunk.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Kennebunk.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Kennebunk's climate page.

Kennebunk Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 32%  

Precipitation 95 mm (3.7 in)  

Rainy days 10 days  

Humidity 77% *  

Sunshine 228 hours *  

Percentage Sunshine 61% *  

* Data from: Portland, the United States of America (38 KM, 24 Miles).

What to Wear in Kennebunk in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Kennebunk in September

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

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

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 the United States of America, check out our Kennebunk's climate page.

More climate data for Kennebunk

Temperature Rainfall Sunshine Humidity

See the full Kennebunk climate overview or explore weather in the United States of America.