Exton Weather in September

During September, Exton experiences high daytime temperatures of 25°C (77°F) and cooler nights around 13°C (55°F). Expect quite a bit of rainfall. Around 123 mm (4.8 in) is typical.

Rainfall in Exton in September

Records from the past 30 years suggest around 8 days of rain, with 123 mm (4.8 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 Exton in September

Daytime highs in Exton in September reach 25°C (77°F), with nights around 13°C (55°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Exton in September

The month enjoys around 218 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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• January
• February
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• October
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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 Exton's climate page.

Exton Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 27%  

Precipitation 123 mm (4.8 in)  

Rainy days 8 days  

Humidity 72% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

* Data from: Philadelphia, the United States of America (39 KM, 24 Miles).

What to Wear in Exton in September

Warm but pleasant conditions in Exton in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Exton in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Exton's climate page.

More climate data for Exton

Temperature Rainfall Sunshine Humidity

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