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

What weather conditions can you expect in Donegal this September? Here's what you need to know about the weather for the month.

Temperatures

During September, Donegal experiences perfect weather, with high temperatures and moderate rainfall. During the daylight hours, temperatures often reach 23°C. After dark they usually decrease to around 11°C.

Precipitation

Donegal in September usually receives moderate rainfall, averaging around 97 mm for the month. Analyzing past climate data, one can expect approximately 12 days of rain.

Average sunshine

With around 199 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Donegal. September typically offers the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Donegal, monthly averages in September

Min Temperature 11°C  

Max Temperature 23°C  

Chance of Rain 40%  

Precipitation 97 mm  

Rainy days 12 days  

Sunshine 199 hours *  

Percentage Sunshine *  

Data from: Frostburg, the United States of America (63 KM, 39 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 Donegal, 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

6/10

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 Donegal.

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.