Londonderry weather in September (Londonderry County, United Kingdom)

What weather conditions can you expect in Londonderry this September? Our page offers a comprehensive look at the weather you can expect this month.

Temperatures

The typical weather for September in Londonderry includes moderate temperatures and moderate rainfall. During the day, temperatures can climb to about 17°C. At night, they may fall to a cooler 10°C.

Precipitation

Londonderry in September usually receives moderate rainfall, averaging around 89 mm for the month. Looking at the last 30 years, the data shows about 21 days with rain.

Average sunshine

The city usually sees around 118 hours of sunlight, indicating a moderately sunny period.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Londonderry. May, July, August, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Londonderry, monthly averages in September

Min Temperature 10°C  

Max Temperature 17°C  

Chance of Rain 70%  

Precipitation 89 mm  

Rainy days 21 days  

Sunshine 118 hours *  

Percentage Sunshine *  

Where to go in the United Kingdom in September

Find out more about the weather in the United Kingdom 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 Londonderry, 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

4/10

Outdoor sports

9/10

Interested in more climate information?

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

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