Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Heroumbili's lowest temperatures tend to occur in July through September, with an average high-temperature of 25.4°C (77.7°F).Humidity
In September, the average relative humidity in Heroumbili 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
The average length of the day in September in Heroumbili is 12h and 2min.On the first day of September in Heroumbili, Comoros, 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 Heroumbili, 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 of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 7 during September translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the coldest month in Heroumbili?
What are September temperatures in Heroumbili?
What is the average humidity in September in Heroumbili?
What is the driest month in Heroumbili?
How much does it rain in Heroumbili in September?
How many hours of daylight does Heroumbili have in September?
What time are sunrise and sunset in September in Heroumbili?
How many hours of sunshine does Heroumbili have in September?
What are the months with the highest UV index in Heroumbili?
How high is the UV index in September in Heroumbili?
Average temperature in September
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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
Heroumbili, 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).
Heroumbili, Comoros
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