We've looked at the most up-to-date weather data for Wales, covering the last 12 years up to 2023, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Wales weather in September.
What's the temperature like in Wales during September?
The temperature reaches around 15℃ during the daytime in September, falling away to 7℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Wales during September?
On average, there will be 6 rainy days during the month, amounting to 65.1mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Wales during September?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during September. With moderate air temperatures, any breeze will feel cool.
Wales Blog posts
From the UK's most popular travel bloggers
12 BEST Places To Visit in Anglesey, North Wales
19th November 2023 by The Wandering Quinn
North Wales might be small and the far North Western island of Anglesey even smaller but there are so many tourist attractions in Anglesey and things to do for all interests and times of the year....
10 BEST Beaches in North Wales & Most Beautiful Beaches in North Wales!
19th November 2023 by The Wandering Quinn
North Wales is perhaps best known for its mountains, rather than its beaches. But along its coast lies some true hidden gems that often go unexplored by visitors in both summer and winter. The Wales Coastal Path reveals that North Wales is actually home to some of the best beaches in the UK, rivalling the likes of Cornwall with pristine turquoise waters, sandy bays and water sports....
11 Great Things to do in Neath Port Talbot
14th November 2023 by Emily Luxton
Adventure, industrial heritage, and epic landscapes… discover the Dramatic Heart of Wales with these top things to do in Neath Port Talbot!...
Wales Uncovered - 5 Hidden Gems EVERY Visitor Should Know!
2nd October 2023 by Fly Drive Explore
These 5 Hidden Gems of Wales are not just places, we include food and drink which you should not miss trying. From ruined castles in the heart of Wales to quiet bays and beaches. Welsh town to the rugged wilderness of the Welsh countryside....
14 BEST Things To Do in Wales in Winter & How To Visit Wales in Winter!
4th October 2023 by The Wandering Quinn
Curious about what you can do in Wales during the winter season? From exploring ancient castles to admiring the picturesque snow-covered landscapes, winter offers a fantastic opportunity to discover the beauty of Wales. In this article, we will highlight the top 14 activities to enjoy in Wales during winter and provide tips on how to make the most of your winter visit to this enchanting country. So, let's dive in and explore the wonders of Wales in winter!...
WHERE'S The Rest Of It? - The PUZZLING St Quentin's Castle, South Wales
7th August 2023 by Fly Drive Explore
How many castles are there in Wales? LOTS! This is St Quentin’s Castle, Llanblethian near Cowbridge in the Vale of Glamorgan, SOUTH WALES. Another wet and windy summer’s day in Wales and a perfect day to visit another castle. St Quentin’s Castle is managed by CADW and is free to enter. The ruins you can see date from the 14th century and were probably built by English nobleman and military commander Gilbert de Clare. He died in 1314 at the Battle of Bannockburn....
The Best Caravan Holidays in Wales
23rd July 2023 by The Rare Welsh Bit
Many of us are choosing to stay in the UK for our summer holiday this year, due to the rising cost of living. During the pandemic, when international travel was restricted, UK caravan holidays saw a surge in popularity, and this trend looks set to continue into 2023 and beyond. In Britain, Wales is a great destination for caravan holidays, offering a range of activities and attractions....
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