Weather in São Tomé-et-Príncipe in septembre
Country-wide climate normals across 15 cities in São Tomé-et-Príncipe.
How Hot Is São Tomé-et-Príncipe in septembre?
São Tomé-et-Príncipe's September is consistently warm — typical 27°C, with no major regional outliers.
Sunshine in São Tomé-et-Príncipe in septembre
Limited sunshine and short daylight define São Tomé-et-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-et-Príncipe In septembre?
Heavy seasonal rains saturate São Tomé-et-Príncipe 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 São Tomé-et-Príncipe Humid In septembre?
Saturated air defines São Tomé-et-Príncipe's September: humidity at 82% in São Tomé, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In São Tomé-et-Príncipe In septembre
Gentle steady winds define São Tomé-et-Príncipe'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 São Tomé-et-Príncipe In septembre
Heavy overcast covers São Tomé-et-Príncipe in September: 79% cloud cover in São Tomé, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.