Climate guide for Sao Tome, Sao Tome and Principe

Sao Tome in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Sao Tome and Principe

Best time to visit Sao Tome in SeptemberWeather, crowds & prices

September score

7.4/10

Ranked #3 of 12 months

Full year for Sao Tome
Avg temp
26°C
Rainfall
23 mm
Humidity
83%
Sunny days
19
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Sao Tome scores 7.4/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 26°C, 23 mm of rain, and roughly 19 sunny days this month.

São Tomé is the island nation's compact capital, with Portuguese-era architecture, markets, waterfront streets, and access to cacao estates and Atlantic landscapes.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Sao Tome in September?
In September, Sao Tome averages 26°C, 23 mm of rain, and about 19 sunny days. Its climate-comfort score is 7.4/10.
Is September a good time to visit Sao Tome?
September earns a 7.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Sao Tome in September?
Expect about 23 mm of rain in September. Average humidity is 83% and there are about 19 sunny days.

Curated in Sao Tome

Tickets & experiences

Things to do in Sao Tome

Sao Tome, Sao Tome and Principe. Live activities and tours from GetYourGuide, matched to this destination.