Mahé (Victoria), Seychelles weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: January – December
What is the weather like in Mahé (Victoria), Seychelles in September?
In September, Mahé (Victoria), Seychelles is warm: daytime highs average 26 °C, and even at night it stays warm at around 25 °C. The sea averages 27.1 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 16 days, totalling 144 mm. The air is often humid and muggy. It is often windy, with gusts of around 30 km/h. All in all, September is a good month for a holiday in Mahé (Victoria), Seychelles.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 85 | 78 | 82 |
| Day | 26° | 26° | 27° |
| Night | 25° | 25° | 26° |
| Sea | 26° | 27° | 28° |
| Sun | 8 h | 8 h | 9 h |
| Rain days | 13 | 16 | 15 |
More details for September
- Daylight
- 12 h 5 min06:11 – 18:16
- UV index
- 14 · extremeclear sky, noon (estimate)
- Muggy days
- 30 daysdew point 18 °C or more
- Wind
- 30 km/haverage daily peak
- Cloud cover
- 65 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+4Indian/Mahe
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %80 %
- Few rainy daysweight 20 %11 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Mahé (Victoria), Seychelles in September: quick answers
Is Mahé (Victoria), Seychelles hot in September?
Warm rather than hot: in September, daytime highs in Mahé (Victoria), Seychelles average 26 °C and nights cool to about 25 °C.
Can you swim in Mahé (Victoria), Seychelles in September?
Yes. In September the sea averages 27.1 °C – lovely and warm for swimming.
Does it rain much in Mahé (Victoria), Seychelles in September?
It rains often – on about 16 days, adding up to 144 mm.
Mahé (Victoria), Seychelles month by month
The whole year in Mahé (Victoria), SeychellesAll destinations: Seychelles
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)