September weather forecast
Mbéni, Comoros

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Weather in September

The arrival of September in Mbéni radiates a sense of continuity in terms of weather parameters from August. The temperatures experience a slight rise and there is no significant change in the rainfall quantity, remaining at 14mm (0.55"). Wind speeds and atmospheric pressure reduce marginally, maintaining the prevailing tranquility of August. The city basks in extended hours of sunshine as the days gradually get longer, and the city reaches its annual peak in the number of sunshine days. The clearer day conditions persist, as the cloud cover percentage continues to stay minimal.

Temperature

The coldest months in Mbéni are July through September, with an average high-temperature of 25.4°C (77.7°F).

Humidity

In Mbéni, the average relative humidity in September 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

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

The average sunshine in September in Mbéni, Comoros, 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 value of 6 to 7 symbolizes a high health vulnerability 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:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What is the coldest month in Mbéni?

Mbéni's coldest period falls in July through September, when the average high-temperatures ascend to 25.4°C (77.7°F).

What is the usual temperature for Mbéni in September?

The average high-temperature and low-temperature in Mbéni, Comoros, during September are 25.4°C (77.7°F) and 24.2°C (75.6°F) respectively. In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 30°C (86°F).

What is the average humidity in September in Mbéni?

The average relative humidity in September in Mbéni is 75%.

What is the driest month in Mbéni?

August and September are months with the least rain in Mbéni when the rain falls for 9.9 days and typically aggregates up to 14mm (0.55") of rain.

How much does it rain in Mbéni in September?

In Mbéni, in September, during 9.9 rainfall days, 14mm (0.55") of precipitation is typically accumulated.

How many hours of daylight does Mbéni have in September?

The average day length in September in Mbéni, Comoros, is 12h and 2min.

When is the sunrise / sunset in September in Mbéni?

In September, on the first day of the month, sunrise is at 06:09 and sunset at 18:03. On the last day of the month, in Mbéni, sunrise is at 05:50 and sunset at 18:02 EAT.

How long on average sun shines in September in Mbéni?

In Mbéni, the average sunshine duration in September is 10.1h.

What are the months with the highest UV index in Mbéni?

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Mbéni.

What is the UV index intensity in September in Mbéni?

In Mbéni, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Mbéni, Comoros

Average temperature in September - Mbéni, 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
Mbéni, Comoros

Average pressure in September - Mbéni, 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
Mbéni, Comoros

Average wind speed in September - Mbéni, 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
Mbéni, Comoros

Average humidity in September - Mbéni, 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
Mbéni, Comoros

Average rainfall in September - Mbéni, 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
Mbéni, Comoros

Average rainfall days in September - Mbéni, 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
Mbéni, Comoros

Average daylight in September / Average sunshine in September - Mbéni, 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 1min

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
Mbéni, Comoros

Average sunshine days in September - Mbéni, 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
Mbéni, Comoros

Average UV index in September - Mbéni, 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
Mbéni, Comoros

Average cloud cover in September - Mbéni, 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
Mbéni, Comoros

Average visibility in September - Mbéni, 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).

Mbéni, Comoros

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