Forte dei Marmi weather

Our guide to the weather in Forte dei Marmi during September

23

Average high

5

UV Index

90mm

Monthly rainfall

24

Sea temperature

We've looked at the most up-to-date weather data for Forte dei Marmi, 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 Forte dei Marmi weather in September.

How warm is it in Forte dei Marmi during September?

The temperature reaches around 23℃ during the daytime in September, falling away to 16℃ 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 Forte dei Marmi during September?

On average, there will be 5 rainy days during the month, amounting to 89.6mm 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. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Forte dei Marmi 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 Forte dei Marmi during September?

The water temperature around Forte dei Marmi reaches a pleasant 24℃ during September. While generally considered warm, some people might find it a little on the cool side on entering the water.

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Weather in Forte dei Marmi

Our month-by-month guide to the weather and climate in Forte dei Marmi

8.2

Forte dei Marmi weather in

January
9.5

Forte dei Marmi weather in

February
12.5

Forte dei Marmi weather in

March
16.1

Forte dei Marmi weather in

April
19.5

Forte dei Marmi weather in

May
24.3

Forte dei Marmi weather in

June
27.2

Forte dei Marmi weather in

July
27.6

Forte dei Marmi weather in

August
23.3

Forte dei Marmi weather in

September
18.2

Forte dei Marmi weather in

October
13.3

Forte dei Marmi weather in

November
9.8

Forte dei Marmi weather in

December