Water temperature in Umkomaas in September

Is it warm enough to swim in Umkomaas in September? Average water temperature in Umkomaas in September is 21.3°C and therefore suitable for comfortable swimming. The warmest sea in Umkomaas in September is 22.7°C, and the coldest is 20.1°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Umkomaas

Changes water temperature in Umkomaas in September 2025, 2024

To get an accurate forecast for the water temperature in Umkomaas for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Umkomaas, 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	21°C	21°C	20.1°C	21.9°C
2 September	21.2°C	20.9°C	20.2°C	22.1°C
3 September	21.4°C	20.7°C	20.2°C	22.2°C
4 September	20.9°C	20.2°C	20.2°C	21.9°C
5 September	21.1°C	20.3°C	20.3°C	21.8°C
6 September	20.8°C	20.4°C	20.4°C	22°C
7 September		20.3°C	20.3°C	22°C
8 September		20.5°C	20.5°C	21.8°C
9 September		20.5°C	20.5°C	22°C
10 September		20.9°C	20.6°C	22.2°C
11 September		21°C	20.6°C	22.4°C
12 September		21°C	20.7°C	22.2°C
13 September		21.1°C	20.4°C	22.1°C
14 September		21.3°C	20.5°C	22.3°C
15 September		21.5°C	20.3°C	22.4°C

Day	2024	Min	Max
16 September	21.4°C	20.3°C	22°C
17 September	21.6°C	20.4°C	22.7°C
18 September	21.8°C	20.5°C	22.5°C
19 September	21.7°C	20.6°C	22.2°C
20 September	21.7°C	20.6°C	22.5°C
21 September	21.8°C	20.6°C	22.3°C
22 September	21.9°C	20.6°C	22.3°C
23 September	21.7°C	20.9°C	22.3°C
24 September	21°C	20.6°C	22.3°C
25 September	21.1°C	20.6°C	22.5°C
26 September	21.1°C	20.8°C	22.4°C
27 September	21.1°C	20.9°C	22.4°C
28 September	21.7°C	20.9°C	22.3°C
29 September	21.6°C	20.7°C	22.5°C
30 September	21.4°C	20.6°C	22.3°C

Average water temperature in Umkomaas in September over a decade

2015	2016	2017	2018	2019
21.7°C	21.3°C	21.5°C	21.8°C	21.7°C

2020	2021	2022	2023	2024
20.8°C	21°C	21°C	21.1°C	21.1°C

Umkomaas sea state in September

Chart comparing the height of waves in Umkomaas 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.

Umkomaas 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
Aliwal Shoal	21.3°C	20.1°C	22.7°C
Amanzimtoti	21.2°C	20.1°C	22.7°C
KwaZulu-Natal	21.1°C	19.6°C	22.7°C
Umhlanga	21°C	19.5°C	22.6°C
Umdloti	21°C	19.5°C	22.7°C
Port Edward	21.2°C	20°C	22.8°C
Coffee Bay	20.7°C	18.5°C	22.3°C
St Lucia	22.2°C	20.8°C	24°C
Cape Vidal	22.5°C	21.3°C	24.2°C
Sodwana Bay	22.6°C	21.1°C	24.1°C

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Our report for Umkomaas 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