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

How's the weather trend in Pittsburgh as September approaches? Find all the essential weather information for this month in our guide.

Temperatures

The weather in Pittsburgh is usually perfect in September, characterized by high temperatures and moderate rainfall. Expect daytime highs to reach approximately 24°C, with nighttime lows dipping to around 13°C.

Precipitation

Pittsburgh in September usually receives moderate rainfall, averaging around 78 mm for the month. On average, there are about 11 days with rain during this month.

Average sunshine

Enjoy a sunny month with about 197 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, July, August and September typically offer the most optimal weather. In contrast, January, February, March and December tend to have less optimal conditions.

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

 

Pittsburgh, monthly averages in September

Min Temperature 13°C  

Max Temperature 24°C  

Chance of Rain 35%  

Precipitation 78 mm  

Rainy days 11 days  

Humidity 72%  

Windspeed 11 km/h  

Sunshine 197 hours  

Percentage Sunshine 53%  

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

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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?

For visitors traveling to Pittsburgh, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

7/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

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

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.