Water temperature in Forte dei Marmi in September

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Is it warm enough to swim in Forte dei Marmi in September? Average water temperature in Forte dei Marmi in September is 23.8°C and therefore suitable for comfortable swimming. The warmest sea in Forte dei Marmi in September is 27.5°C, and the coldest is 21.2°C. Average high air temperature in Forte dei Marmi in September is 24°C, and average low temperature is 15°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Forte dei Marmi

Changes water temperature in Forte dei Marmi in September 2025, 2024

To get an accurate forecast for the water temperature in Forte dei Marmi for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Forte dei Marmi, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 September	25.6°C	27.5°C	23.6°C	27.5°C
2 September	25.1°C	27°C	23.5°C	27°C
3 September	25.3°C	26.7°C	23.3°C	26.7°C
4 September	25.4°C	27°C	23.3°C	27°C
5 September	25.1°C	26.6°C	22.8°C	26.6°C
6 September		26.8°C	22.7°C	26.8°C
7 September		26.6°C	22.9°C	27°C
8 September		26.5°C	22.7°C	26.7°C
9 September		26.2°C	22.7°C	26.3°C
10 September		26°C	22.7°C	26°C
11 September		26.3°C	22.8°C	26.3°C
12 September		25.6°C	22.7°C	25.8°C
13 September		25.1°C	22.7°C	25.3°C
14 September		24.6°C	22.6°C	25.6°C
15 September		24.4°C	22.5°C	25.6°C

Day	2024	Min	Max
16 September	24.2°C	22.1°C	25.5°C
17 September	24.1°C	21.9°C	25.1°C
18 September	24°C	21.6°C	25.2°C
19 September	23.1°C	21.6°C	25.5°C
20 September	23.4°C	21.7°C	25.4°C
21 September	23.2°C	21.7°C	25.4°C
22 September	23°C	21.6°C	24.9°C
23 September	22.9°C	21.6°C	25.4°C
24 September	22.5°C	21.5°C	25.2°C
25 September	22.2°C	21.5°C	24.9°C
26 September	22.2°C	21.5°C	24.3°C
27 September	22.5°C	21.5°C	24.4°C
28 September	22.2°C	21.4°C	24.4°C
29 September	21.8°C	21.3°C	24°C
30 September	21.8°C	21.2°C	23.8°C

Forte dei Marmi water temp chart in September

Average water temperature in Forte dei Marmi in September over a decade

2015	2016	2017	2018	2019
23.5°C	24°C	22.8°C	25.1°C	24.5°C

2020	2021	2022	2023	2024
24.2°C	23.9°C	25°C	24.3°C	24.5°C

Forte dei Marmi sea state in September

Chart comparing the height of waves in Forte dei Marmi in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Forte dei Marmi in September

Weather and climate in Forte dei Marmi in September

This data display average monthly climate indicators in Forte dei Marmi in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature24°C
Average LOW temperature15°C
Average rainfall days9 days
Average rainfall3.1''/79mm
Average daylight12h
Average sunshine7h
Average UV index5

Forte dei Marmi water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Cinquale	23.8°C	21.3°C	27.1°C
Marina di Pietrasanta	23.8°C	21.2°C	27.3°C
Lido di Camaiore	23.8°C	21.2°C	27.5°C
Carrara	23.8°C	21.3°C	26.8°C
Marina di Carrara	23.8°C	21.3°C	26.8°C
Marina di Massa	23.8°C	21.3°C	26.8°C
Marinella di Sarzana	23.8°C	21.3°C	26.8°C
Fiumaretta di Ameglia	23.8°C	21.2°C	26.8°C
Bocca di Magra	23.8°C	21.2°C	26.8°C
Tellaro	23.8°C	21.2°C	26.9°C

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Our report for Forte dei Marmi is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature