Swansea weather
Our guide to the weather in Swansea during September
We've looked at the most up-to-date weather data for Swansea, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Swansea weather in September.
What's the temperature like in Swansea during September?
The temperature is extremely stable in September with average highs of 17℃ and lows just 4℃ lower at 13℃. 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 Swansea during September?
On average, there will be 7 rainy days during the month, amounting to 105.8mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. You're not likely to see a thunderstorm during your trip.
Is it windy in Swansea 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.
Swansea Blog posts
From the UK's most popular travel bloggers
Swansea Bay Weekend Itinerary
12th April 2024 by Coco Butter Blog
Nestled on the southern coast of Wales, Swansea Bay boasts breathtaking green countryside, picturesque coastline, and a plethora of top-notch restaurants offering delectable dishes. This charming destination is ideal for a weekend escape, with its dog-friendly atmosphere, extensive walking trails, and numerous pet-friendly establishments....
How to visit Brombil Reservoir in Port Talbot & things to do
19th August 2020 by The Wandering Quinn
Port Talbot isn’t famous for many things if we’re being honest. It’s somewhere I have driven past on the M4 for many many years and I’ve never felt the need to stop there, but that all changed when I started to see photos of Brombil Reservoir on Instagram! Brombil Reservoir is a great place to visit on a hot day to cool down in its incredible bright water. The reservoir edge is good for children to play on too making it a great place to take children....
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