September weather forecastKoumbou, Congo
September
Weather in September
The first month of the spring, September, is still a warm month in Koumbou, Congo, with an average temperature varying between 25.7°C (78.3°F) and 22.4°C (72.3°F).Temperature
Koumbou starts September with an average high-temperature of a still moderately hot 25.7°C (78.3°F), hinting at a minimal fluctuation from August. Koumbou sees a gentle drop from the daily peak temperature in September, with an average low settling at an agreeable 22.4°C (72.3°F).Humidity
May through December, with an average relative humidity of 83%, are the most humid months.Rainfall
In Koumbou, during September, the rain falls for 15.3 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 217.2 rainfall days, and 881mm (34.69") of precipitation is accumulated.Daylight
In Koumbou, the average length of the day in September is 12h and 5min.On the first day of September, sunrise is at 06:11 and sunset at 18:13. On the last day of the month, sunrise is at 05:58 and sunset at 18:07 WAT.
Sunshine
The month with the least sunshine in Koumbou, Congo, is September, with an average of 5.8h of sunshine.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 6 suggests this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koumbou, Congo
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is March (30.2°C).
The month with the lowest average high temperature is August (24.7°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is March (26°C).
The coldest month (with the lowest average low temperature) is July (20.8°C).
Average pressure in September
Koumbou, Congo
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is July (1014.5mbar).
The month with the lowest atmospheric pressure is February (1009.9mbar).
Average wind speed in September
Koumbou, Congo
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is October (11.4km/h).
The calmest month (with the lowest average wind speed) is January (8.7km/h).
Average humidity in September
Koumbou, Congo
- Average humidity in September: 83%
The months with the highest relative humidity are May, June, July, August, September, October, November and December (83%).
The month with the lowest relative humidity is March (80%).
Average rainfall in September
Koumbou, Congo
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is December (159mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Koumbou, Congo
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is December (25.8 days).
The month with the least rainy days is June (5.1 days).
Average daylight in September /
Average sunshine in September
Koumbou, Congo
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 5h and 48min
The months with the most sunshine are April, May and December (Average sunshine: 8h and 12min).
The month with the least sunshine is September (Average sunshine: 5h and 48min).
Average sunshine days in September
Koumbou, Congo
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is November (2.6 days).
Average UV index in September
Koumbou, Congo
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Koumbou, Congo
- Average cloud cover in September: 62
The month with the most cloud cover is October (Cloud cover 66).
The month with the least cloud cover is May (Cloud cover 40).
Average visibility in September
Koumbou, Congo
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
