Weather in La Reunion in September
Country-wide climate normals across 15 cities in La Reunion.
How Hot Is La Reunion in September?
La Reunion's September is consistently warm — typical 23°C, with no major regional outliers.
Sunshine in La Reunion in September
Limited sunshine and short daylight define La Reunion's September: Saint-Denis averages just 2.2h of direct sun, with the sun up between 6:15 am and 6:10 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In La Reunion In September?
Moderate rainfall defines La Reunion's September: Saint-Denis averages 83mm across 14 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is La Reunion Humid In September?
Saturated air defines La Reunion's September: humidity at 76% in Saint-Denis, 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 La Reunion In September
Gentle steady winds define La Reunion's September: Saint-Denis averages 16 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In La Reunion In September
Cloudy skies dominate La Reunion in September — 71% cover in Saint-Denis, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.