September weather forecastDouniani, Comoros
September
Weather in September
September in Douniani, Comoros presents a slight increase in both the highest and lowest temperature averages when compared to August. The average amount of daylight begins to increase, going from 11.7 to 12 hours which contributes positively to outdoor activities. Along with this, the rainfall maintains consistency with that of August at 14mm (0.55"), the lowest average in the year. The stable rainfall level and increasing temperature combine to make September an inviting time for tourists and locals to explore the city and its surroundings.Temperature
July through September are known as Douniani's coldest months, with an average high-temperature of 25.4°C (77.7°F).Humidity
In Douniani, the average relative humidity in September is 75%.Rainfall
August and September are months with the least rain when the rain falls for 9.9 days and typically aggregates up to 14mm (0.55") of rain.Daylight
In September, the average length of the day in Douniani is 12h and 2min.On the first day of September in Douniani, sunrise is at 06:09 and sunset at 18:03. On the last day of the month, sunrise is at 05:50 and sunset at 18:02 EAT.
Sunshine
In September, the average sunshine in Douniani is 10.1h.UV index
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Douniani, 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
Douniani, 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
Douniani, 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
Douniani, 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
Douniani, 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
Douniani, 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
Douniani, 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
Douniani, 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
Douniani, 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
Douniani, 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
Douniani, 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).
