Silhouette weather in September 2025

Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Silhouette in September. Check more long-term weather averages for Silhouette in September before you book your next holiday to Seychelles in 2025/2026.

  • 28°C maximum daytime temperature in September in Silhouette28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in September in Silhouette14
    14 days with some rainfall
  • 24°C minimum night-time temperature in September in Silhouette24
    24°C min night temperature
  • 12 hours of daylight per day in September in Silhouette12
    12 hours of daylight per day
  • Moderate heat & humidity in September in SilhouetteM
    Moderate heat & humidity
  • 134 mm monthly rainfall in September in Silhouette134
    134 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Silhouette11
    11+ (Extreme) UV index
  • 27°C sea temperature in September in Silhouette27
    27°C sea temperature

More about the Silhouette

Silhouette by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Seychelles

Travelbag: Latest holiday sale offers worldwide

  • Explore latest sale offers on holidays in 2025/2026
  • Filter deals by continent, star rating & holiday type
  • Including Dubai, Caribbean, North America, Asia & Pacific
Go to Travelbag deal >>

View all Travelbag offers

TravelbagHoliday deal finder

The September weather guide for Seychelles (Silhouette) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the Seychelles

How hot is it in Silhouette in September?

Daytime temperatures usually reach 28°C in Silhouette in September with moderate heat and humidity, falling to 24°C at night.

How sunny is it in Silhouette in September?

There are normally 8 hours of bright sunshine each day in Silhouette in September - that's 64% of daylight hours.

How warm is the sea around Silhouette in September?

The average sea temperature around Silhouette in September is 27°C.

Does it rain in Silhouette in September?

There are usually 14 days with some rain in Silhouette in September and the average monthly rainfall is 134mm.

Silhouette September sunrise & sunset times

Browse the sunrise and sunset times for Silhouette in September 2025. Select a month to view Silhouette sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:18 18:20
Monday, 15th September 2025 06:12 18:17
Tuesday, 30th September 2025 06:05 18:13

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^