Your holiday weather, at a glance

São Tomé and Príncipe in September: where is it warmest?

In September, São Tomé averages 25 °C by day.

All destinations in September, warmest first

Long-term averages for the month: daytime high, sea, sunshine and rainy days.

PlaceScoreAirSeaSunRain days
São Tomé8025°26°6 h8

São Tomé and Príncipe in September: quick answers

São Tomé and Príncipe in September: where is it warmest?

The warmest places in September are São Tomé (25 °C).

São Tomé and Príncipe in September: where is the sea warmest?

The sea is warmest at São Tomé (26 °C).

São Tomé and Príncipe in September: where is the weather best?

The best holiday weather in September – warm, sunny and dry – is in São Tomé.

São Tomé and Príncipe month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences