Seychelles weather in September
Seychelles averages 26°C by day and 25°C at night in September, with the sea at 27°C and 17 days with at least 1 mm of rain.
Day
26°C
Night
25°C
Sea
27°C
Rainy days
17
Flight from London
10h
What September feels like
September is hot but wet in Seychelles: rainy season, so pack for showers.
The sea is warm at 27°C: comfortable for long swims.
It is rainy season, with rain on about 17 days.
Of the 48 sun destinations we track, Seychelles is the #45 warmest in September.
Want it warmer in September?
These are hotter than Seychelles this month for at most an hour and a half more flying:
Seychelles weather by month
September is highlighted. Compare with August and October, or see the full year in Seychelles.
Seychelles in September: quick answers
Is Seychelles hot in September?
September is hot but wet in Seychelles: rainy season, so pack for showers. Average highs are 26°C and lows 25°C.
Can you swim in Seychelles in September?
The sea is warm at 27°C: comfortable for long swims.
Does it rain in Seychelles in September?
It is rainy season, with rain on about 17 days.
What is the warmest month in Seychelles?
April, at an average high of 28°C. The coolest is August at 26°C.
How long is the flight to Seychelles from the UK?
About 10h direct from London, estimated from the 8,166 km distance. Check your airline for exact times.
Still choosing? See where is hot in September for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in September from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Seychelles in September?
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