Seychelles weather

Our guide to the weather in the Seychelles during September

27

Average high

6

UV Index

169mm

Monthly rainfall

80%

Humidity

We've looked at the most up-to-date weather data for the Seychelles, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about the Seychelles weather in September.

How warm is it in the Seychelles during September?

The temperature is extremely stable in September with average highs of 27℃ and lows just 1℃ lower at 26℃. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in the Seychelles during September?

On average, there will be 6 rainy days during the month, amounting to 168.9mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, September will see just 2 days that produce a storm.

Is it windy in the Seychelles during September?

Expect moderate breeze becoming stronger at times during September, with occasional gusts up to 23mph. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

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Weather in the Seychelles

Our month-by-month guide to the weather and climate in the Seychelles

27.8

Seychelles weather in

January
28.1

Seychelles weather in

February
28.7

Seychelles weather in

March
29.1

Seychelles weather in

April
28.8

Seychelles weather in

May
27.4

Seychelles weather in

June
26.3

Seychelles weather in

July
26.2

Seychelles weather in

August
26.8

Seychelles weather in

September
27.5

Seychelles weather in

October
27.9

Seychelles weather in

November
28.0

Seychelles weather in

December