Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The temperature hits its lowest levels in August and September, recording an average high-temperature of 25.4°C (77.7°F).Humidity
In September, the average relative humidity is 74%.Rainfall
September is the month with the least rainfall in Ongojou. Rain falls for 6.3 days and accumulates 4mm (0.16") of precipitation.Daylight
In Ongojou, the average length of the day in September 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 05:42 and sunset at 17:55 EAT.
Sunshine
In September, the average sunshine in Ongojou is 8.9h.UV index
The months with the highest UV index in Ongojou, Mayotte, 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 in Ongojou. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 7 translates into these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Ongojou?
What is the usual temperature for Ongojou in September?
What is the average humidity in September in Ongojou?
What is the driest month in Ongojou?
How many days does it rain in September in Ongojou?
How many hours of daylight does Ongojou have in September?
When are sunrise and sunset in September in Ongojou?
How many hours of sunshine does Ongojou have in September?
What are the months with the highest UV index in Ongojou?
What is the month with the lowest UV index in Ongojou?
How high is the UV index in September in Ongojou?
Average temperature in September
Ongojou, 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
Ongojou, 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
Ongojou, 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
Ongojou, 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
Ongojou, 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
Ongojou, 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
Ongojou, 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 5min
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
Ongojou, 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
Ongojou, 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
Ongojou, 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
Ongojou, 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).
Ongojou, Mayotte
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