Weather in São Tomé and Príncipe in september
Country-wide climate normals across 15 cities in São Tomé and Príncipe.
How Hot Is São Tomé and Príncipe in september?
Uniform warmth covers São Tomé and Príncipe in September: highs near 27°C across all cities.
Sunshine in São Tomé and Príncipe in september
Limited sunshine and short daylight define São Tomé and Príncipe's September: São Tomé averages just 1.0h of direct sun, with the sun up between 5:30 am and 5:35 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In São Tomé and Príncipe In september?
Monsoon-like conditions dominate São Tomé and Príncipe'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 São Tomé and Príncipe Humid In september?
Heavy oppressive humidity covers São Tomé and Príncipe 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 São Tomé and Príncipe In september
São Tomé and Príncipe'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 São Tomé and Príncipe In september
São Tomé and Príncipe'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.