Rathmullan weather in September (Donegal County, Ireland)

Will it be rainy or sunny in Rathmullan this September? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

Typically, September in Rathmullan includes moderate temperatures and moderate rainfall. Anticipate daytime highs near 17°C, and cooler nights with temperatures around 10°C.

Precipitation

Rathmullan in September usually receives moderate rainfall, averaging around 95 mm for the month. Records from the past 30 years suggest that around 21 days will experience rain.

Average sunshine

With about 118 hours of sunshine, the area enjoys a nice balance of sun and clouds, creating a pleasant environment.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Rathmullan. May, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, November 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 Rathmullan climate page with graphs.

 

Rathmullan, monthly averages in September

Min Temperature 10°C  

Max Temperature 17°C  

Chance of Rain 71%  

Precipitation 95 mm  

Rainy days 21 days  

Sunshine 118 hours *  

Percentage Sunshine *  

Data from: Derry, Ireland (18 KM, 11 Miles).

Where to go in Ireland in September

Find out more about the weather in Ireland 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 Rathmullan, 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

6/10

Walking

6/10

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 Rathmullan.

Our site offers climate and forecast data for every country in the world. Are you going to Ireland? On this website you can find historical weather averages for many cities in Ireland. 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.