September weather forecastOuangani, Mayotte
September
Weather in September
Staying in Ouangani in September offers mild temperatures and longer sunny days. The daylight period lengthens from 11.7 hours in August to 12 hours in September. Despite September ushering in more sunlight, there is no significant impact on the general temperature. Rejoicing under the sunny skies continues to be pleasurable while anticipating the advent of October. The precipitation takes an upward turn, with daily temperatures staying consistent.Temperature
In Ouangani, August and September are characterised by the lowest temperatures, recording an average high of 25.4°C (77.7°F).Humidity
The average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 6.3 days and accumulates 4mm (0.16") of precipitation.Daylight
The average length of the day in September in Ouangani is 12h and 2min.On the first day of September, sunrise is at 06:03 and sunset at 17:55. On the last day of the month, sunrise is at 05:43 and sunset at 17:55 EAT.
Sunshine
In Ouangani, the average sunshine in September is 8.9h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Ouangani. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Ouangani, Mayotte. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ouangani, 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
Ouangani, 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
Ouangani, 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
Ouangani, 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
Ouangani, 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
Ouangani, 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
Ouangani, 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
Ouangani, 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
Ouangani, 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
Ouangani, 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
Ouangani, 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).





