Warmest sea in Africa in September

748 coastal locations in Africa ranked by their typical September sea temperature. Region-wide average in September: 24.5°C. The top of the list is where to find the warmest swimming this month.

Warmest in September

Dahlac Archipelago

32.8°C September mean in Eritrea

Regional September average

24.5°C

across all 748 coastal locations in Africa

Vs annual mean

+0.1°C

above the year-round regional average

What the Africa sea feels like in September

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

Africa monthly average 24.2°C to 24.9°C

Warmest month November 24.9°C
Coldest month March 24.2°C
Annual mean 24.4°C
Months above 20°C 12 of 12

Where September fits in the year

September sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Africa month rankings:

Africa sea temperature map (live)

The map shows today's latest reading at every Africa location. The list below is based on the typical September mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →

°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Africa locations in September

Sorted by the typical September mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

#	Location	Country	September mean
1	Dahlac Archipelago	Eritrea	32.8°C
2	Bahir Dar	Ethiopia	32.8°C
3	Lake Tana	Ethiopia	32.8°C
4	Mits'iwa Northern Red Sea	Eritrea	32.8°C
5	Massawa	Eritrea	32.7°C
6	Edd	Eritrea	32.7°C
7	Harmil Island Northern Red Sea	Eritrea	32.7°C
8	Aseb Southern Red Sea	Eritrea	32.4°C
9	Assab	Eritrea	32.2°C
10	Sawakin Red Sea	Sudan	31.8°C
11	Suakin	Sudan	31.7°C
12	Port Sudan	Sudan	31.6°C
13	Sawabi Obock	Djibouti	31.5°C
14	Djibouti Djibouti	Djibouti	31.5°C
15	Ghoubbet El Kharâb Devil's Islands	Djibouti	31.5°C
16	Saylac Awdal	Somalia	31.4°C
17	Muhammad Qol South Kordan	Sudan	31.4°C
18	Loyada	Djibouti	31.3°C
19	Djibouti	Djibouti	31.3°C
20	Tadjoura	Djibouti	31.3°C
21	Abaya Lake	Ethiopia	31.3°C
22	Arba Minch	Ethiopia	31.3°C
23	Bosaso	Somalia	31.3°C
24	Obock	Djibouti	31.3°C
25	Qandala	Somalia	31.2°C

Show 25 more ▸

26	Caluula Bari	Somalia	31.2°C
27	Berbera	Somalia	30.8°C
28	Xiis Sanaag	Somalia	30.8°C
29	Barnīs Red Sea Governorate	Egypt	30.4°C
30	Zabargad Island	Egypt	30.1°C
31	Berenice	Egypt	30.1°C
32	Bereeda	Somalia	30.0°C
33	Hamata	Egypt	29.7°C
34	Marsa Alam	Egypt	29.2°C
35	Buniada Point North Bank Division	Gambia	29.1°C
36	Dog Island North Bank Division	Gambia	29.1°C
37	Pointe de Sangomar Fatick Region	Senegal	29.1°C
38	Bakau	Gambia	29.1°C
39	Banjul	Gambia	29.1°C
40	Kotu	Gambia	29.1°C
41	Serrekunda	Gambia	29.1°C
42	Kaolack	Senegal	29.1°C
43	Elphinstone Reef	Egypt	29.0°C
44	Al Qusayr Red Sea Governorate	Egypt	28.9°C
45	El-Arish	Egypt	28.9°C
46	Mbour	Senegal	28.9°C
47	Saly	Senegal	28.9°C
48	Warang	Senegal	28.9°C
49	Suez Canal	Egypt	28.8°C
50	Joal Fadiout	Senegal	28.8°C

Coldest 10 in Africa in September

Same data the other way. Helpful if you want to know which Africa coasts to avoid for swimming in September.

#	Location	Country	September mean
1	Marion Island Western Cape	South Africa	5.1°C
2	Luderitz	Namibia	11.6°C
3	Port Nolloth	South Africa	12.2°C
4	Oranjemund Karas Region	Namibia	12.4°C
5	Alexander Bay	South Africa	12.8°C
6	Hondeklip Bay	South Africa	13.2°C
7	Walvis Bay	Namibia	13.3°C
8	Skeleton Bay	Namibia	13.4°C
9	Swakopmund	Namibia	13.4°C
10	Lamberts Bay Western Cape	South Africa	13.5°C