Brest weather
Our guide to the weather in Brest during September
We've looked at the most up-to-date weather data for Brest, 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 Brest weather in September.
What's the temperature like in Brest during September?
The temperature reaches around 19℃ during the daytime in September, falling away to 13℃ 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 Brest during September?
September is typically the driest month in Brest. On average, there will be 4 rainy days during the month, amounting to 56.9mm 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 Brest 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.
How warm is the sea in Brest during September?
The water around Brest is a bracing 16℃ during September and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.
Weather in Brest
Our month-by-month guide to the weather and climate in Brest
Brest weather in
JanuaryBrest weather in
FebruaryBrest weather in
MarchBrest weather in
AprilBrest weather in
MayBrest weather in
JuneBrest weather in
JulyBrest weather in
AugustBrest weather in
SeptemberBrest weather in
OctoberBrest weather in
NovemberBrest weather in
December