Weather in St. Helena in september
Country-wide climate normals across 15 cities in St. Helena.
How Hot Is St. Helena in september?
Warm conditions cover St. Helena: capital Georgetown averages 21°C, with the warmest cities at 24°C and the coolest at 13°C.
Sunshine in St. Helena in september
Dark, overcast days dominate St. Helena in September — Georgetown sees just 1.1h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In St. Helena In september?
St. 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 St. Helena Humid In september?
Heavy oppressive humidity covers St. Helena in September: 78% on average in Georgetown, 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 St. Helena In september
St. Helena sees consistent breezes in September — averaging 32 kph in Georgetown, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In St. Helena In september
Heavy overcast covers St. 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.