September weather forecastMirereni, Mayotte
September
Weather in September
September marks the end of the dry season for Mirereni, with rainfall slightly increasing to 4mm (0.16"). Temperature fluctuations remain minimal, providing a close-to-uniform warmth throughout the month. A gentle breeze moves through the town marking the gradual transition to the wetter months. Adding more day hours than August, Mirereni enjoys 12 hours of daylight in September. The most significant change, however, is the drop in wind speed to only 10.7km/h (6.6mph), making September quite calm and serene.Temperature
In Mirereni, the coldest months are August and September, registering an average high-temperature of 25.4°C (77.7°F).Humidity
In Mirereni, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall in Mirereni. Rain falls for 6.3 days and accumulates 4mm (0.16") of precipitation.Daylight
In September, the average length of the day 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 Mirereni, 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. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Mirereni. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mirereni, 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
Mirereni, 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
Mirereni, 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
Mirereni, 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
Mirereni, 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
Mirereni, 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
Mirereni, 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
Mirereni, 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
Mirereni, 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
Mirereni, 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
Mirereni, 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).





