September weather forecastOngoni, Comoros
September
Weather in September
September, the first month of the spring in Ongoni, is still a warm month, with temperature in the range of an average low of 24.7°C (76.5°F) and an average high of 25.4°C (77.7°F).Temperature
August and September are identified as the coldest months, with an average high-temperature of 25.4°C (77.7°F).Humidity
In Ongoni, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall in Ongoni. Rain falls for 6.4 days and accumulates 8mm (0.31") of precipitation.Daylight
In Ongoni, Comoros, the average length of the day in September is 12h and 2min.On the first day of September, sunrise is at 06:05 and sunset at 17:58. On the last day of the month, sunrise is at 05:45 and sunset at 17:57 EAT.
Sunshine
In Ongoni, the average sunshine in September is 8.3h.UV index
The months with the highest UV index in Ongoni are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Ongoni are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 during September translates into the following guidance:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ongoni, Comoros
- 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: 24.7°C
The months with the highest average low temperature are February and March (28°C).
The coldest months (with the lowest average low temperature) are August and September (24.7°C).
Average pressure in September
Ongoni, Comoros
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is August (1017mbar).
The month with the lowest atmospheric pressure is February (1010.3mbar).
Average wind speed in September
Ongoni, Comoros
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is July (20.9km/h).
The calmest month (with the lowest average wind speed) is September (11.4km/h).
Average humidity in September
Ongoni, Comoros
- Average humidity in September: 75%
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Ongoni, Comoros
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is January (179mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in September
Ongoni, Comoros
- Average rainfall days in September: 6.4 days
The month with the highest number of rainy days is January (23.2 days).
The month with the least rainy days is September (6.4 days).
Average daylight in September /
Average sunshine in September
Ongoni, Comoros
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is December (Average sunshine: 10h and 30min).
The months with the least sunshine are May and August (Average sunshine: 7h and 0min).
Average sunshine days in September
Ongoni, Comoros
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in September
Ongoni, Comoros
- 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
Ongoni, Comoros
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in September
Ongoni, Comoros
- 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).
