September weather forecastBahani, Comoros
September
Weather in September
September sees Bahani retain its remarkably low levels of rainfall from August, standing at 14mm (0.55"). The early fall phase ushers in marginally cooler days and chill evenings. September weather characteristics indicate a shift from higher to moderate relative humidity levels. Wind speed decreases to 12.5km/h (7.8mph), creating calmer conditions. Owing to the city's geographical position, visibility maintains a steady 10km (6.2mi).Temperature
July through September bring Bahani's lowest average temperatures, reaching a high of 25.4°C (77.7°F).Humidity
In Bahani, 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 Bahani, the average length of the day in September is 12h and 2min.On the first day of September in Bahani, 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 Bahani is 10.1h.UV index
The months with the highest UV index in Bahani are January through June, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 7 during September leads to these advisories:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bahani, 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
Bahani, 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
Bahani, 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
Bahani, 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
Bahani, 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
Bahani, 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
Bahani, 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
Bahani, 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
Bahani, 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
Bahani, 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
Bahani, 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).
