Nantes weather
Our guide to the weather in Nantes during September
We've looked at the most up-to-date weather data for Nantes, 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 Nantes weather in September.
How warm is it in Nantes during September?
The temperature reaches around 23℃ 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 Nantes during September?
September is typically the driest month in Nantes. On average, there will be 2 rainy days during the month, amounting to 44.6mm 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 Nantes during September?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.
How warm is the sea in Nantes during September?
The water around Nantes is around 18℃ during September. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.
Weather in Nantes
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