Water temperature in Altura in September

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Is it warm enough to swim in Altura in September? Average water temperature in Altura in September is 21.8°C and therefore suitable for comfortable swimming. The warmest sea in Altura in September is 25°C, and the coldest is 16.3°C. Average high air temperature in Altura in September is 28°C, and average low temperature is 17°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Altura

Changes water temperature in Altura in September 2025, 2024

To get an accurate forecast for the water temperature in Altura for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Altura, 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	18.9°C	22.9°C	18.5°C	23.9°C
2 September	18.3°C	22.5°C	18.3°C	24.2°C
3 September	18.6°C	21.7°C	18.6°C	24.2°C
4 September	18.3°C	21.5°C	18.3°C	24.3°C
5 September	18.2°C	20.7°C	17.7°C	24.4°C
6 September	19°C	20.4°C	17.2°C	25°C
7 September	19.9°C	19.1°C	17.3°C	24.6°C
8 September	19.5°C	19.8°C	17.3°C	24.5°C
9 September	19°C	19.7°C	16.5°C	24.3°C
10 September	18.7°C	19.7°C	16.8°C	23.7°C
11 September	18.2°C	19.6°C	18.2°C	23.8°C
12 September	18.3°C	19.6°C	18.3°C	23.6°C
13 September	18.6°C	19.5°C	18.6°C	23.9°C
14 September	18.5°C	20.3°C	18.5°C	23.7°C
15 September	19°C	21.2°C	19°C	23.5°C

Day	2025	2024	Min	Max
16 September	19.6°C	20.9°C	19.6°C	23.8°C
17 September	20.9°C	21.5°C	19.6°C	24°C
18 September	20.9°C	22.1°C	19.4°C	24.2°C
19 September	21.3°C	22.4°C	19.3°C	24°C
20 September	21.6°C	22.3°C	19.3°C	23.9°C
21 September	20.6°C	21.8°C	19.2°C	24°C
22 September	19.5°C	21.5°C	19.1°C	24.3°C
23 September	19.8°C	21.4°C	19.2°C	24.3°C
24 September	19.4°C	20.9°C	19.4°C	24.7°C
25 September	19.7°C	20.2°C	19.3°C	24.9°C
26 September		20.2°C	19°C	24.7°C
27 September		18.9°C	18.9°C	24.8°C
28 September		18.6°C	18.6°C	24.8°C
29 September		19°C	17.6°C	24.9°C
30 September		19.4°C	16.3°C	24.6°C

Average water temperature in Altura in September over a decade

2015	2016	2017	2018	2019
20.9°C	22.4°C	21°C	23.8°C	21.9°C

2020	2021	2022	2023	2024
21.6°C	21.3°C	19.5°C	21.4°C	20.6°C

Altura sea state in September

Chart comparing the height of waves in Altura 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.

Weather and climate in Altura in September

This data display average monthly climate indicators in Altura 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 temperature28°C
Average LOW temperature17°C
Average rainfall days3 days
Average rainfall0.7''/18mm
Average daylight12h
Average sunshine9h
Average UV index7

Altura 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
Praia Verde	21.8°C	16.3°C	25°C
Cacela Velha	21.7°C	16.4°C	25°C
Cabanas de Tavira	21.6°C	16.3°C	25°C
Punta del moral	21.9°C	16.9°C	25.2°C
La Antilla	22.1°C	16.9°C	25.3°C
Islantilla	22.1°C	16.9°C	25.3°C
Fuseta	21.5°C	17.2°C	24.9°C
Cartaya	22.2°C	17.5°C	25.4°C
Ilha da Armona	21.5°C	17.2°C	24.8°C
Praia dos Cavacos	21.5°C	17.2°C	24.8°C

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Our report for Altura 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