Weather in Wyspy Świętego Tomasza i Książęca in wrzesień
Country-wide climate normals across 15 cities in Wyspy Świętego Tomasza i Książęca.
How Hot Is Wyspy Świętego Tomasza i Książęca in wrzesień?
Wyspy Świętego Tomasza i Książęca's September is consistently warm — typical 27°C, with no major regional outliers.
Sunshine in Wyspy Świętego Tomasza i Książęca in wrzesień
Wyspy Świętego Tomasza i Książęca sees limited sun in September: just 1.0h a day in São Tomé, with heavy cloud cover common across most regions. Daylight runs from 5:30 am to 5:35 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Wyspy Świętego Tomasza i Książęca In wrzesień?
Heavy seasonal rains saturate Wyspy Świętego Tomasza i Książęca in September — São Tomé averages 240mm of rain across 24 days, with downpours an almost daily feature. The pattern is consistent across most regions, particularly along monsoon-affected coasts. Expect torrential afternoon storms followed by humid heat.
Is Wyspy Świętego Tomasza i Książęca Humid In wrzesień?
Heavy oppressive humidity covers Wyspy Świętego Tomasza i Książęca in September: 82% on average in São Tomé, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Wyspy Świętego Tomasza i Książęca In wrzesień
Gentle steady winds define Wyspy Świętego Tomasza i Książęca's September: São Tomé averages 16 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Wyspy Świętego Tomasza i Książęca In wrzesień
Wyspy Świętego Tomasza i Książęca's September is dominated by overcast skies: São Tomé averages 79% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.