September weather forecastHolle, Congo
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Holle, Congo, with an average temperature fluctuating between 22.4°C (72.3°F) and 25.7°C (78.3°F).Temperature
September's presence records an average high-temperature of a still moderately hot 25.7°C (78.3°F), closely mirroring August's climate. Holle indicates a consistently low-temperature of 22.4°C (72.3°F) during the nights of September.Humidity
May through December, with an average relative humidity of 83%, are the most humid months.Rainfall
In Holle, during September, the rain falls for 15.3 days and regularly aggregates up to 17mm (0.67") of precipitation. In Holle, during the entire year, the rain falls for 217.2 days and collects up to 881mm (34.69") of precipitation.Daylight
In Holle, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 06:10 and sunset at 18:12. On the last day of September, sunrise is at 05:56 and sunset at 18:05 WAT.
Sunshine
September has the least sunshine of the year, with an average of 5.8h of sunshine.UV index
In Holle, Congo, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 6 in September leads to these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holle, 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
Holle, 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
Holle, 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
Holle, 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
Holle, 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
Holle, 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
Holle, 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
Holle, 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
Holle, 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
Holle, 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
Holle, 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).
