September weather forecast
Seychelles International Airport, Seychelles

As the month of September unfurls, Seychelles International Airport experiences a clear shift with the rainfall total rising to 134mm (5.28"). Nonetheless, sunny days dominate the weather scene, with shadows dancing under the generous sunlight. Slight variations in temperature levels add complexity to the September weather framework. Despite the increased rainfall, the sea remains inviting, thanks to the maintained warmth. The glorious sunsets of September offer unforgettable moments, proving the month’s endearing character in the Seychelles’s weather symphony.

Temperature

September's onset in Seychelles International Airport, Seychelles, records an average high-temperature of a still warm 28°C (82.4°F), a near match to August's 27°C (80.6°F). Seychelles International Airport navigates through September with a barely noticeable decrease in temperature at night, stabilizing at a still warm 24°C (75.2°F).

Rainfall

In September, in Seychelles International Airport, the rain falls for 14 days. Throughout September, 134mm (5.28") of precipitation is accumulated. In Seychelles International Airport, during the entire year, the rain falls for 187 days and collects up to 2258mm (88.9") of precipitation.

Sea temperature

In Seychelles International Airport, the average seawater temperature in September is 27°C (80.6°F).
Note: A water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.

Daylight

The average length of the day in September in Seychelles International Airport is 12h and 5min.
On the first day of the month, sunrise is at 06:17 and sunset at 18:18. On the last day of September, sunrise is at 06:03 and sunset at 18:12 +04.

Sunshine

The months with the most sunshine are April through June, August and September, with an average of 8h of sunshine.

UV index

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index in Seychelles International Airport. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 12 in September transforms into the following instructions:
Practice every essential safety step. People with fair skin could receive burns in fewer than 5 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.