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Warmest sea temperatures in Africa in September

Port Sudan tops the list at 31 °C in September. Ranked from 1991–2020 climate normals across 50 destinations.

# Destination Country Sea temp Avg high Rainfall
1 Port Sudan Sudan 31 °C 38 °C 1 mm
2 Djibouti Djibouti 31 °C 36 °C 7 mm
3 Berbera Somalia 31 °C 37 °C 3 mm
4 El Dibir Somalia 29 °C 33 °C 2 mm
5 Serekunda Gambia 29 °C 29 °C 192 mm
6 Banjul Gambia 29 °C 29 °C 191 mm
7 Arīsh Egypt 28 °C 30 °C 0 mm
8 Mbour Senegal 28 °C 30 °C 110 mm
9 Thiès Nones Senegal 28 °C 30 °C 117 mm
10 Thiès Senegal 28 °C 31 °C 117 mm
11 Saint-Louis Senegal 28 °C 31 °C 62 mm
12 Dakar Senegal 28 °C 29 °C 95 mm
13 Rufisque Senegal 28 °C 30 °C 96 mm
14 Bissau Guinea-Bissau 28 °C 29 °C 306 mm
15 Port Said Egypt 28 °C 30 °C 0 mm
16 Al Maţarīyah Egypt 28 °C 31 °C 0 mm
17 Hurghada Egypt 28 °C 33 °C 0 mm
18 Conakry Guinea 28 °C 27 °C 477 mm
19 Manéah Guinea 28 °C 28 °C 469 mm
20 Dubréka Guinea 28 °C 28 °C 463 mm
21 Nouakchott Mauritania 27 °C 34 °C 19 mm
22 Sfax Tunisia 27 °C 29 °C 27 mm
23 Damietta Egypt 27 °C 30 °C 0 mm
24 Idkū Egypt 27 °C 30 °C 1 mm
25 Praia Cabo Verde 27 °C 29 °C 76 mm
26 Freetown Sierra Leone 27 °C 26 °C 495 mm
27 Alexandria Egypt 27 °C 29 °C 1 mm
28 Az Zāwīyah Libya 27 °C 32 °C 11 mm
29 Victoria Seychelles 27 °C 26 °C 118 mm
30 Tripoli Libya 27 °C 31 °C 10 mm
31 Zliten Libya 27 °C 32 °C 10 mm
32 Misratah Libya 27 °C 29 °C 7 mm
33 Monrovia Liberia 27 °C 27 °C 516 mm
34 Malabo Equatorial Guinea 27 °C 27 °C 379 mm
35 Marsá Maţrūḩ Egypt 27 °C 30 °C 1 mm
36 Benghazi Libya 26 °C 30 °C 2 mm
37 Bata Equatorial Guinea 26 °C 27 °C 263 mm
38 Agege Nigeria 26 °C 28 °C 180 mm
39 Ajegunle Nigeria 26 °C 27 °C 182 mm
40 Ebute Ikorodu Nigeria 26 °C 28 °C 202 mm
41 Lagos Nigeria 26 °C 27 °C 195 mm
42 Mamoudzou Mayotte 26 °C 26 °C 17 mm
43 Sousse Tunisia 26 °C 31 °C 49 mm
44 São Tomé Sao Tome and Principe 26 °C 26 °C 82 mm
45 Porto-Novo Benin 26 °C 28 °C 142 mm
46 Zanzibar Tanzania 26 °C 29 °C 23 mm
47 Mahajanga Madagascar 26 °C 33 °C 3 mm
48 Moroni Comoros 26 °C 28 °C 36 mm
49 Tanga Tanzania 26 °C 28 °C 48 mm
50 Libreville Gabon 26 °C 28 °C 142 mm

Only destinations with a published page for that month are ranked. The ranking is ours; the underlying values are reproduced from the source.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: ranking order, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.