September weather forecastDapani, Mayotte
September
Weather in September
Steadying the pace towards the year's end, September in Dapani, Mayotte witnesses a hint of warming trend replicated across the temperature and rainfall metrics. As temperatures again rise slightly to 25.4°C (77.7°F), rainfall values make a minor shift up to 4mm (0.16"). This transition to warmer days and increased rainfall signifies the beginning of the monsoon season, as observed in the following months. September’s steady wind speed and constant UV index strive to maintain Dapani’s paradisiacal appeal.Temperature
In Dapani, the months of August and September are known for the lowest temperatures, reaching an average high of 25.4°C (77.7°F).Humidity
The average relative humidity in September in Dapani is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 6.3 days and typically collects 4mm (0.16") of precipitation.Daylight
In Dapani, the average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 06:03 and sunset at 17:55. On the last day of September, sunrise is at 05:42 and sunset at 17:55 EAT.
Sunshine
The average sunshine in September is 8.9h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 7 during September translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dapani, Mayotte
- Average high temperature in September: 25.4°C
The warmest months (with the highest average high temperature) are March and April (28.9°C).
The months with the lowest average high temperature are August and September (25.4°C).
- Average low temperature in September: 25°C
The months with the highest average low temperature are February and March (28°C).
The coldest month (with the lowest average low temperature) is August (24.6°C).
Average pressure in September
Dapani, Mayotte
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is August (1016.8mbar).
The month with the lowest atmospheric pressure is February (1010mbar).
Average wind speed in September
Dapani, Mayotte
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is July (21km/h).
The calmest month (with the lowest average wind speed) is September (10.7km/h).
Average humidity in September
Dapani, Mayotte
- Average humidity in September: 74%
The months with the highest relative humidity are January, October and November (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Dapani, Mayotte
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is January (230mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in September
Dapani, Mayotte
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is January (25.5 days).
The month with the least rainy days is August (5.3 days).
Average daylight in September /
Average sunshine in September
Dapani, Mayotte
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 54min).
Average sunshine days in September
Dapani, Mayotte
- Average sunshine days in September: 21 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is January (3.7 days).
Average UV index in September
Dapani, Mayotte
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Dapani, Mayotte
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in September
Dapani, Mayotte
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





