Weather in Senmartēna in septembris
Country-wide climate normals across 13 cities in Senmartēna.
How Hot Is Senmartēna in septembris?
Senmartēna bakes evenly in September — highs around 28°C are typical from Sandy Ground all the way to Les Terres Basses, with very little regional variation. Lows sit around 27°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Senmartēna in septembris
Dark, overcast days dominate Senmartēna in September — Marigot sees just 1.8h 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 Senmartēna In septembris?
Wet conditions dominate Senmartēna in September — Marigot sees 142mm of rain across 16 days, with rain a near-daily feature in most regions. Some areas see considerably more, particularly mountain-facing or windward coasts. Plan around frequent showers and pack reliable rainwear.
Is Senmartēna Humid In septembris?
Saturated air defines Senmartēna's September: humidity at 76% in Marigot, 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 Senmartēna In septembris
Senmartēna sees consistent breezes in September — averaging 27 kph in Marigot, 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 Senmartēna In septembris
Senmartēna sees mostly cloudy weather through September: Marigot averages 73% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.