SeasonMapPraslin weather in September
Seychelles
September in Praslin: hot, soaked, with clean air — fine if you can take 17 rainy days.
#9 of 12 months in Praslin · #791 of 1383 destinations to visit in September · comfort 77/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Praslin in September
No notes yet. Open Praslin on the map to add the first one.
Praslin climate normals — September
| Daytime high | 26°C / 79°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 29°C / 84°F | |
| Sea temperature | 28°C / 83°F | ♨️ bath-warm |
| Rainfall | 170 mm / 6.7 in | ⛈ soaked |
| Rainy days | 17 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12.1 h | |
| Wind | 30 km/h / 18 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Praslin in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 2 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Praslin's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherPraslin's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Praslin in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Southeast trades and the seaweed
15 May – 30 Sep · usuallyWind seasonRiskThe trades take the humidity out of the air but push seaweed onto the south and east beaches and chop the water up. Anse Lazio faces the other way and stays sheltered, which is why everyone ends up there.
Where is Praslin?
Praslin in September — FAQ
- Is September a good time to visit Praslin?
- September in Praslin: hot, soaked, with clean air — fine if you can take 17 rainy days. It ranks #9 of 12 months for Praslin on SeasonMap's comfort score (77/100).
- What is the weather like in Praslin in September?
- In September, Praslin averages a daily high of 26.1°C and a low of 25°C, with about 170.1 mm of rain over roughly 16.5 rainy days.
- What is the air quality in Praslin in September?
- Praslin has a mean US Air Quality Index of about 40 in September.