Where is the sea warmest in Africa in September?
In September the warmest sea in Africa is at Massawa, Eritrea, at 32.9°C. 294 of 311 cities measured are comfortable this month.
| # | City | Country | Sea | Swimming |
|---|---|---|---|---|
| 1 | Massawa | Eritrea | 32.9°C | Bath-like |
| 2 | Edd | Eritrea | 32.9°C | Bath-like |
| 3 | Assab | Eritrea | 32.5°C | Bath-like |
| 4 | Suakin | Sudan | 31.8°C | Bath-like |
| 5 | Port Sudan | Sudan | 31.6°C | Bath-like |
| 6 | Las Khorey | Somalia | 31.6°C | Bath-like |
| 7 | Djibouti | Djibouti | 31.5°C | Bath-like |
| 8 | Bosaso | Somalia | 31.5°C | Bath-like |
| 9 | Tadjoura | Djibouti | 31.5°C | Bath-like |
| 10 | Arta | Djibouti | 31.5°C | Bath-like |
| 11 | Obock | Djibouti | 31.4°C | Bath-like |
| 12 | Qandala | Somalia | 31.3°C | Bath-like |
| 13 | Saylac | Somalia | 31.3°C | Bath-like |
| 14 | Caluula | Somalia | 31.1°C | Bath-like |
| 15 | Shalateen | Egypt | 31.0°C | Bath-like |
| 16 | Berbera | Somalia | 30.9°C | Bath-like |
| 17 | Bereeda | Somalia | 29.7°C | Bath-like |
| 18 | Arīsh | Egypt | 29.1°C | Bath-like |
| 19 | Banjul | Gambia | 29.1°C | Bath-like |
| 20 | Joal | Senegal | 28.9°C | Bath-like |
| 21 | Saint-Louis | Senegal | 28.8°C | Bath-like |
| 22 | Skhira | Tunisia | 28.8°C | Bath-like |
| 23 | Tanji | Gambia | 28.8°C | Bath-like |
| 24 | Gabès | Tunisia | 28.8°C | Bath-like |
| 25 | Safaga | Egypt | 28.8°C | Bath-like |
Ranked on the NOAA OISST monthly climatology — a long-run average for September, not a forecast. A given September will run warmer or cooler than this, and the sea is warmest late in the afternoon and late in the season.