September weather forecastMandza, Comoros
September
Weather in September
Moving into September, the weather in Mandza sees a welcomed continuation of the dry season with rainfall remaining low. The wind speed drops further to an annual low of 12.5km/h (7.8mph) contributing to the overall calm atmosphere. Daylight hours start to increase, complementing the decrease in humidity and cloud coverage. The city celebrates year's maximum visibility of 10km (6.2mi), offering unobstructed views of its scenic landscapes. Despite persistent high temperatures, the conditions remain comfortable with relief from a wind gust dip to 17.4km/h (10.8mph).Temperature
The temperature hits its lowest levels in July through September, recording an average high-temperature of 25.4°C (77.7°F).Humidity
In September, the average relative humidity is 75%.Rainfall
The months with the least rainfall are August and September Rain falls for 9.9 days and accumulates 14mm (0.55") of rain.Daylight
In Mandza, the average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 06:09 and sunset at 18:03. On the last day of September, sunrise is at 05:50 and sunset at 18:02 EAT.
Sunshine
In Mandza, the average sunshine in September is 10.1h.UV index
The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mandza, Comoros
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is March (28.6°C).
The months with the lowest average high temperature are July, August and September (25.4°C).
- Average low temperature in September: 24.2°C
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).
Average pressure in September
Mandza, Comoros
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is February (1010mbar).
Average wind speed in September
Mandza, Comoros
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is July (22.1km/h).
The calmest months (with the lowest average wind speed) are March, November and December (12km/h).
Average humidity in September
Mandza, Comoros
- Average humidity in September: 75%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Mandza, Comoros
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is January (176mm).
The driest months (with the least rainfall) are August and September (14mm).
Average rainfall days in September
Mandza, Comoros
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is April (23.1 days).
The month with the least rainy days is August (9.8 days).
Average daylight in September /
Average sunshine in September
Mandza, 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 30min).
- Average sunshine in September: 10h and 6min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The months with the least sunshine are May and June (Average sunshine: 7h and 12min).
Average sunshine days in September
Mandza, Comoros
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is April (5.1 days).
Average UV index in September
Mandza, Comoros
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Mandza, Comoros
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Mandza, 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).
