Water temperature in Llanca in September

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Is it warm enough to swim in Llanca in September? Average water temperature in Llanca in September is 21.2°C and therefore suitable for comfortable swimming. The warmest sea in Llanca in September is 24.1°C, and the coldest is 18.2°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Llanca

Changes water temperature in Llanca in September 2025, 2024

To get an accurate forecast for the water temperature in Llanca for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Llanca, 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	22.7°C	22.5°C	20.4°C	23.7°C
2 September	21.9°C	22.9°C	20.3°C	23.6°C
3 September	22.1°C	22.7°C	20.1°C	23.4°C
4 September	22°C	22.6°C	19.8°C	23.6°C
5 September	21.8°C	22.9°C	19.5°C	23.8°C
6 September	22.1°C	22.9°C	19.5°C	24.1°C
7 September	22.1°C	23.3°C	19.4°C	24.1°C
8 September	22°C	22.5°C	19.3°C	23.9°C
9 September	21.9°C	22.1°C	19.5°C	23.7°C
10 September	22.1°C	22.1°C	19.5°C	23.5°C
11 September	21.8°C	21.9°C	19.3°C	23.4°C
12 September	21.9°C	21.2°C	19.1°C	23°C
13 September	21.5°C	20.5°C	19.1°C	23.1°C
14 September	21.4°C	20.2°C	19.5°C	23.6°C
15 September	21.5°C	20.2°C	19.5°C	23.5°C

Day	2025	2024	Min	Max
16 September	21.1°C	20.1°C	19.6°C	23.3°C
17 September	21.6°C	20.1°C	19.7°C	23.1°C
18 September	22.1°C	19.5°C	19.5°C	23°C
19 September	22.1°C	20°C	19.6°C	22.7°C
20 September	22°C	19.9°C	19.5°C	22.7°C
21 September	22°C	20°C	19.5°C	22.3°C
22 September	21.4°C	20.1°C	19.5°C	22.6°C
23 September	21.5°C	19.9°C	19.5°C	22.6°C
24 September	21.2°C	20°C	19.4°C	22.5°C
25 September		20.9°C	19°C	22.1°C
26 September		20.5°C	18.9°C	22.3°C
27 September		19.6°C	18.6°C	22.3°C
28 September		19.7°C	18.2°C	22.2°C
29 September		19.5°C	18.2°C	22.4°C
30 September		19.5°C	18.2°C	22.6°C

Average water temperature in Llanca in September over a decade

2015	2016	2017	2018	2019
20.5°C	21.9°C	20.5°C	21.9°C	21.2°C

2020	2021	2022	2023	2024
21.4°C	22.3°C	22.7°C	22.2°C	21°C

Llanca sea state in September

Chart comparing the height of waves in Llanca 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.

Llanca 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
Garbet Beach	21.2°C	18.2°C	24.1°C
Cervera De La Marenda	21°C	18.1°C	24°C
Paulilles Beach	21°C	18.1°C	24°C
Port Lligat	21.4°C	18.4°C	24.5°C
Cap de Creus	21.4°C	18.3°C	24.5°C
Roses	21.6°C	18.7°C	24.6°C
Portvendres	21°C	18°C	24°C
Empuriabrava	21.6°C	18.7°C	24.7°C
Montjoi	21.6°C	18.6°C	24.7°C
Santa Margarida	21.6°C	18.7°C	24.7°C

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Our report for Llanca 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.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature