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Sao Tome weather in September 2021
Get the latest coronavirus (Covid-19) updates for Sao Tome and Principe with current travel advice and statistics on new cases per 100,000 and vaccine.
- 2727°C max day temperature
- 1414 days with some rainfall
- 2020°C min night temperature
- 1212 hours of daylight per day
- MModerate heat & humidity
- 7979 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2626°C sea temperature
Recommended for Sao Tome & Principe
The September weather guide for Sao Tome, Sao Tome & Principe shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How hot is it in Sao Tome in September?
Daytime temperatures usually reach 27°C in Sao Tome in September with moderate heat and humidity, falling to 20°C at night.
How sunny is it in Sao Tome in September?
There are normally 2 hours of bright sunshine each day in Sao Tome in September - that's 18% of daylight hours.
How warm is the sea around Sao Tome in September?
The average sea temperature around Sao Tome in September is 26°C.
Does it rain in Sao Tome in September?
There are usually 14 days with some rain in Sao Tome in September and the average monthly rainfall is 79mm.
Metric (°C / mm) | Imperial (°F / inches)
Sao Tome sunrise & sunset times for September 2021
Browse the sunrise and sunset times for Sao Tome in September 2021. Select a month to view Sao Tome sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||05:30||17:37|
|Wednesday, 15th September 2021||05:25||17:32|
|Thursday, 30th September 2021||05:20||17:26|
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