September weather forecast
Pomoni, Comoros

September

Weather in September

The first month of the spring, September, is still a warm month in Pomoni, Comoros, with an average temperature fluctuating between 25.4°C (77.7°F) and 24.7°C (76.5°F).

Temperature

Pomoni's lowest temperatures tend to occur in August and September, with an average high-temperature of 25.4°C (77.7°F).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 6.4 days and accumulates 8mm (0.31") of precipitation.

Daylight

In September, the average length of the day 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 05:46 and sunset at 17:58 EAT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In September, an average UV index of 7 transforms into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What month is the coldest in Pomoni?
August and September represent the coldest period in Pomoni, Comoros, with an average high-temperature of 25.4°C (77.7°F).
What are September temperatures in Pomoni?
The high-temperature, in September, in Pomoni, records 25.4°C (77.7°F), while the low-temperature is 24.7°C (76.5°F). In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 32°C (89.6°F).
What is the average humidity in September in Pomoni?
In September, the average relative humidity in Pomoni, Comoros, is 75%.
What is the driest month in Pomoni?
September is the month with the least rainfall in Pomoni, Comoros. Rain falls for 6.4 days and accumulates 8mm (0.31") of precipitation.
How many days does it rain in September in Pomoni?
In Pomoni, in September, it is raining for 6.4 days, with typically 8mm (0.31") of accumulated precipitation.
How many hours of daylight does Pomoni have in September?
The average day length in September in Pomoni, Comoros, is 12h and 2min.
When are sunrise and sunset in September in Pomoni?
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 05:46 and sunset at 17:58 EAT.
How many hours of sunshine does Pomoni have in September?
In Pomoni, Comoros, the average sunshine duration in September is 8.3h.
When is the highest UV index in Pomoni?
The months with the highest UV index in Pomoni, Comoros, are January through December, with an average maximum UV index of 7.
What is the month with the lowest UV index in Pomoni?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
How high is the UV index in September in Pomoni?
In September, the average daily maximum UV index in Pomoni, Comoros, is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Pomoni, 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
Pomoni, 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
Pomoni, 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
Pomoni, 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
Pomoni, 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
Pomoni, 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
Pomoni, 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 2min

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
Pomoni, 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
Pomoni, 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
Pomoni, 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
Pomoni, 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).

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