September weather forecast
Nioumamilima, Comoros

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Weather in September

Moving into September, Nioumamilima, Comoros experiences further decrease in windspeed from 18km/h (11.2mph) in August to 12.9km/h (8mph). The reduction in wind speed might bring about calmer ocean waters, hence making boat rides smoother. There's a slight increase in rainfall; however, it remains relatively low. As we forge ahead into October, anticipate a noticeable increase in average rainfall and further reduction in wind speed.

Temperature

The months of July through September see the lowest levels of Nioumamilima's temperatures, averaging a high of 25.3°C (77.5°F).

Humidity

In September, the average relative humidity in Nioumamilima is 75%.

Rainfall

The month with the least rainfall in Nioumamilima is September, when the rain falls for 8.4 days and typically collects 11mm (0.43") of precipitation.

Daylight

The average length of the day in September in Nioumamilima is 12h and 2min.
On the first day of the month, sunrise is at 06:09 and sunset at 18:02. On the last day of September, sunrise is at 05:50 and sunset at 18:02 EAT.

Sunshine

In September, the average sunshine in Nioumamilima, Comoros, is 10.3h.

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 threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What are the coldest months in Nioumamilima?

July through September mark Nioumamilima's lowest temperatures, averaging a high-temperature of 25.3°C (77.5°F).

What are September temperatures in Nioumamilima?

The high-temperature, in September, in Nioumamilima, records 25.3°C (77.5°F), while the low-temperature is 24°C (75.2°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in May is appraised at 30°C (86°F).

What is the average humidity in September in Nioumamilima?

In Nioumamilima, Comoros, the average relative humidity in September is 75%.

What is the driest month in Nioumamilima?

September is the month with the least rainfall in Nioumamilima. Rain falls for 8.4 days and accumulates 11mm (0.43") of precipitation.

How many days does it rain in September in Nioumamilima?

In September, in Nioumamilima, the rain falls for 8.4 days. Throughout September, 11mm (0.43") of precipitation is accumulated.

How many hours of daylight does Nioumamilima have in September?

In September, the average day length is 12h and 2min.

When are sunrise and sunset in September in Nioumamilima?

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

How long on average sun shines in September in Nioumamilima?

In September, the average sunshine duration in Nioumamilima is 10.3h.

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

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

How high is the UV index in September in Nioumamilima?

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

Average temperature in September
Nioumamilima, Comoros

Average temperature in September - Nioumamilima, Comoros
  • Average high temperature in September: 25.3°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The months with the lowest average high temperature are July, August and September (25.3°C).

  • Average low temperature in September: 24°C

The month with the highest average low temperature is March (27.1°C).
The coldest month (with the lowest average low temperature) is August (23.8°C).

Average pressure in September
Nioumamilima, Comoros

Average pressure in September - Nioumamilima, 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
Nioumamilima, Comoros

Average wind speed in September - Nioumamilima, Comoros
  • Average wind speed in September: 12.9km/h

The windiest month (with the highest average wind speed) is July (23.7km/h).
The calmest month (with the lowest average wind speed) is November (11.2km/h).

Average humidity in September
Nioumamilima, Comoros

Average humidity in September - Nioumamilima, Comoros
  • Average humidity in September: 75%

The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in September
Nioumamilima, Comoros

Average rainfall in September - Nioumamilima, Comoros
  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is September (11mm).

Average rainfall days in September
Nioumamilima, Comoros

Average rainfall days in September - Nioumamilima, Comoros
  • Average rainfall days in September: 8.4 days

The months with the highest number of rainy days are March and April (23 days).
The month with the least rainy days is September (8.4 days).

Average daylight in September /
Average sunshine in September
Nioumamilima, Comoros

Average daylight in September / Average sunshine in September - Nioumamilima, 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: 10h and 2min

The month with the most sunshine is November (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).

Average sunshine days in September
Nioumamilima, Comoros

Average sunshine days in September - Nioumamilima, Comoros
  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (5.8 days).

Average UV index in September
Nioumamilima, Comoros

Average UV index in September - Nioumamilima, 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
Nioumamilima, Comoros

Average cloud cover in September - Nioumamilima, Comoros
  • Average cloud cover in September: 20

The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are August and September (Cloud cover 20).

Average visibility in September
Nioumamilima, Comoros

Average visibility in September - Nioumamilima, 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).

Nioumamilima, Comoros

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