September Rainfall and Precipitation in Gwynedd
Average rainfall, rainy days and the driest cities in Gwynedd, the United Kingdom in September.
Select a Month
Check the conditions for any month of the year.
Best Places to Visit in Gwynedd in September
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Gwynedd.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
Gwynedd precipitation in September: frequently asked questions
How much rainfall does Gwynedd, the United Kingdom receive in September?
In September, Llandudno typically receives modest rainfall, around 90 mm (3.5 in), making this a relatively dry month.
How many days does it rain in Gwynedd, the United Kingdom in September?
Rainfall in Llandudno typically falls on roughly 17 days days in September.
Is September part of the rainy season in Gwynedd, the United Kingdom?
No. September sits outside the typical rainy season in Gwynedd, the United Kingdom, so you can expect drier conditions overall.
What is the wettest city in September in Gwynedd, the United Kingdom?
Based on our records, Pistyll receives the most rainfall in Gwynedd, the United Kingdom in September, averaging about 145 mm (5.7 in).
What is the driest city in September in Gwynedd, the United Kingdom?
Llandrillo is the driest city we have data for in Gwynedd, the United Kingdom in September, with monthly rainfall close to 81 mm (3.2 in).
Interested in more climate information?
We have much more information about the climate in Gwynedd.
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.