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

What kind of weather does September bring to Hummelstown? Check out this detailed guide to the month’s weather conditions.

Temperatures

The month of September in Hummelstown typically includes high temperatures and high rainfall. Anticipate daytime temperatures around 25°C, while night temperatures can drop to 14°C.

Precipitation

Hummelstown in September usually receives high rainfall, averaging around 140 mm for the month. This is the wettest month of the year, so having an umbrella ready is a smart choice. On average, there are about 9 days with rain during this month.

Average sunshine

With approximately 226 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Hummelstown. May, June, August and September typically offer the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

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

 

Hummelstown, monthly averages in September

Min Temperature 14°C  

Max Temperature 25°C  

Chance of Rain 30%  

Precipitation 140 mm  

Rainy days 9 days  

Humidity 73% *  

Sunshine 226 hours *  

Percentage Sunshine 61% *  

Data from: Harrisburg, the United States of America (15 KM, 9 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

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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 Hummelstown, 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

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

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

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.