Temperature in Snowdonia National Park in September

Daytime highs, nighttime lows and the warmest cities in Snowdonia National Park, the United Kingdom this September.

Snowdonia National Park, the United Kingdom, a region in the United Kingdom, typically experiences mild weather in September, with maximum daytime temperatures around 17°C (63°F) and nighttime temperatures around 10°C (50°F) in Betws-y-coed.

What is the temperature of the different cities in Snowdonia National Park, the United Kingdom in September?

To get a sense of September's typical temperatures in the key spots of Snowdonia National Park, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Snowdonia National Park, check out our Snowdonia National Park's climate page.

See also: Snowdonia National Park weather by month.

Best Places to Visit in Snowdonia National Park in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Snowdonia National Park.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Snowdonia National Park

Snowdonia National Park temperatures in September: frequently asked questions

How hot does it get in Snowdonia National Park, the United Kingdom in September?

Average daytime highs in Snowdonia National Park, the United Kingdom during September reach about 17°C (63°F) in Betws-y-coed.

How cold does it get at night in Snowdonia National Park, the United Kingdom in September?

Betws-y-coed sees nighttime lows close to 10°C (50°F) in September.

How much sun does Snowdonia National Park, the United Kingdom get in September?

Most areas experience a moderate amount of sunshine, with approximately 111 hours of sunlight expected in Betws-y-coed. This makes it neither too gloomy nor overly bright.

Interested in more climate information?

We have much more information about the climate in Snowdonia National Park.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Hike the South West Coast Path

The South West Coast Path means breathtaking nature, kind people and delicious food everywhere you go. It is an unforgettable experience and you need to add it to your bucket list.
Welcome to Totnes, the hidden treasure of South Devon

Totnes is a place where historical richness fuses effortlessly with a vibrant alternative culture and breathtaking natural surroundings. The town pulses with an amazing community spirit that you'll feel around every corner.

London's coolest neighborhoods you'll want to visit

Discover the 6 coolest neighborhoods in London for your trip! Explore vibrant Shoreditch, lively Soho, alternative Camden, and many more.
10 cities you should definitely visit in the UK

Discover the top 10 most fun and alternative cities in the UK, rich in art, culture, and adventure. Explore vibrant neighborhoods and unique places.
Must visit in the United Kingdom →