Weather in Saint Helena in September
Country-wide climate normals across 15 cities in Saint Helena.
How Hot Is Saint Helena in September?
Warm conditions cover Saint Helena: capital Georgetown averages 21°C, with the warmest cities at 24°C and the coolest at 13°C.
Sunshine in Saint Helena in September
Limited sunshine and short daylight define Saint Helena's September: Georgetown averages just 1.1h of direct sun, with the sun up between 6:50 am and 6:55 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Saint Helena In September?
Saint Helena's September is mostly dry: 32mm of rainfall in Georgetown across 9 days, with the arid regions of the country seeing even less. Showers are brief and infrequent, and the country as a whole leans dry. Pack light rain gear for the occasional shower but expect mostly clear days.
Is Saint Helena Humid In September?
Saturated air defines Saint Helena's September: humidity at 78% in Georgetown, 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 Saint Helena In September
Persistent breeze shapes Saint Helena's September: 32 kph in Georgetown, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.
Cloud Cover In Saint Helena In September
Heavy overcast covers Saint Helena in September: 81% cloud cover in Georgetown, 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.