September weather forecast
Mamoudzou, Mayotte

September mirrors the climate conditions experienced in August, with minor changes in weather patterns. The average low temperature takes a slight dip to 19°C (66.2°F), creating cool, refreshing evenings. The amount of daylight and sunshine hours remain consistent, providing ample opportunity for daytime activities. As the month marks the end of the summer season, stable climate variables remain in place, offering favorable conditions for holidaymakers and locals alike.

Temperature

Mamoudzou experiences lowest temperatures, averaging a high-temperature of 26°C (78.8°F) during June through September.

Rainfall

The month with the least rainfall is September, when the rain falls for 5 days and typically collects 30mm (1.18") of precipitation.

Sea temperature

July through September, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Mamoudzou.
Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations.

Daylight

In Mamoudzou, Mayotte, the average length of the day in September is 12h and 2min.
On the first day of the month, sunrise is at 06:02 and sunset at 17:55. On the last day of September, sunrise is at 05:42 and sunset at 17:55 EAT.

Sunshine

August through November, with an average of 10h of sunshine, are months with the most sunshine in Mamoudzou.

UV index

January through March, September through December, with an average maximum UV index of 12, are months with the highest UV index in Mamoudzou. A UV Index reading of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 12 during September translates into the following directions:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Following every swim or outdoor workout, a sunscreen with an SPF of not less than 30 should be liberally applied and re-applied frequently, even on overcast days. Be attentive! The UV exposure is heightened with reflections from sand and water.