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

What kind of temperatures can you expect in Bethlehem during September? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

September in Bethlehem generally includes high temperatures and high rainfall. Expect temperatures to climb to 25°C during the day, with nighttime readings dropping to 13°C.

Precipitation

Bethlehem in September usually receives high rainfall, averaging around 113 mm for the month. Climate statistics over the past 30 years suggest around 10 days of rain.

If your ideal day consists of dry skies and moderate temperatures May generally stands out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Bethlehem, monthly averages in September

Min Temperature 13°C  

Max Temperature 25°C  

Chance of Rain 32%  

Precipitation 113 mm  

Rainy days 10 days  

Humidity 74% *  

Data from: Allentown, the United States of America (8 KM, 4 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 Bethlehem, 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.

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 Bethlehem.

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.