Water temperature in São Tomé
79.1
°F
September 21, 16:51
Trend:
increasingYesterday:
78.9°FTomorrow:
79.1°F
Sunrise:
Sunset:
Day Length:
12 h. 7 min.São Tomé in September
Minimum:
81.6°FAverage:
83.0°FMaximum:
84.5°FSea water temperature in São Tomé today
As of now, in São Tomé, the water temperature is 79.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.Recent sea temperature and forecast
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 80.6°F on 2019, while the historical minimum was 78.0°F on 2025.
Daily water temperature in São Tomé
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 7 | 79.3°F | 77.8°F | 78.9°F |
| Sep 8 | 78.7°F | 77.5°F | 78.8°F |
| Sep 9 | 78.8°F | 77.6°F | 78.9°F |
| Sep 10 | 78.9°F | 77.9°F | 79.0°F |
| Sep 11 | 78.5°F | 77.7°F | 78.8°F |
| Sep 12 | 78.6°F | 78.0°F | 78.9°F |
| Sep 13 | 78.9°F | 78.5°F | 79.0°F |
| Sep 14 | 78.7°F | 78.0°F | 79.0°F |
| Sep 15 | 78.8°F | 78.2°F | 79.1°F |
| Sep 16 | 79.3°F | 78.1°F | 79.2°F |
| Sep 17 | 79.4°F | 77.7°F | 79.2°F |
| Sep 18 | 79.1°F | 77.7°F | 79.2°F |
| Sep 19 | 79.0°F | 78.3°F | 79.3°F |
| Sep 20 | 78.9°F | 78.2°F | 79.4°F |
| Sep 21 | 79.1°F | 78.0°F | 79.5°F |
| Sep 22 | 79.1°F | 78.5°F | 79.6°F |
| Sep 23 | 79.1°F | 78.4°F | 79.5°F |
| Sep 24 | 79.2°F | 78.6°F | 79.6°F |
| Sep 25 | 79.3°F | 78.5°F | 79.7°F |
| Sep 26 | 79.2°F | 78.6°F | 79.7°F |
| Sep 27 | 79.3°F | 78.6°F | 79.7°F |
| Sep 28 | 79.4°F | 79.0°F | 79.8°F |
* actual - actual temperature values
** forecast - projected values for the next week
Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.
Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.