Exton weather in September (Pennsylvania, United States of America)

Wondering what the weather is like in Exton during September? This guide provides the necessary weather information for your travel plans.

Temperatures

In September, Exton usually has high temperatures and high rainfall. During the day, temperatures can climb to about 25°C. At night, they may fall to a cooler 13°C.

Precipitation

Exton in September usually receives high rainfall, averaging around 123 mm for the month. Typically around 8 days days of rainfall are expected.

Average sunshine

Enjoy a sunny month with about 218 hours of sunshine, providing a cheerful and lively atmosphere.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, June, August and September typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Exton climate page with graphs.

 

Exton, monthly averages in September

Min Temperature 13°C  

Max Temperature 25°C  

Chance of Rain 27%  

Precipitation 123 mm  

Rainy days 8 days  

Humidity 72% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

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

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Exton.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.