Weather in Сан-Томе и Принсипе in сентябрь
Country-wide climate normals across 15 cities in Сан-Томе и Принсипе.
How Hot Is Сан-Томе и Принсипе in сентябрь?
Uniform warmth covers Сан-Томе и Принсипе in September: highs near 27°C across all cities.
Sunshine in Сан-Томе и Принсипе in сентябрь
Сан-Томе и Принсипе 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 Сан-Томе и Принсипе In сентябрь?
Monsoon-like conditions dominate Сан-Томе и Принсипе's September: São Tomé sees 240mm of rain across 24 days, similar nationwide. Heavy showers fall almost daily, often in dramatic afternoon downpours. Sunshine is brief between storms, and humidity stays high throughout the month.
Is Сан-Томе и Принсипе Humid In сентябрь?
Сан-Томе и Принсипе is enveloped in tropical-thick humidity through September: São Tomé averages 82%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In Сан-Томе и Принсипе In сентябрь
Сан-Томе и Принсипе's September has gentle wind — São Tomé averages 16 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Сан-Томе и Принсипе In сентябрь
Сан-Томе и Принсипе'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.