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
September
Weather in September
Temperature
Nsem signifies an average high-temperature of a still moderately hot 26.4°C (79.5°F) in September, closely mirroring the 25.7°C (78.3°F) of August. Throughout the month of September, Nsem witnesses an average low-temperature of 18.8°C (65.8°F).Humidity
In Nsem, the average relative humidity in September is 91%.Rainfall
In Nsem, in September, during 29.5 rainfall days, 225mm (8.86") of precipitation is typically accumulated. Throughout the year, there are 240.2 rainfall days, and 1554mm (61.18") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 9min.On the first day of September, sunrise is at 06:01 and sunset at 18:14. On the last day of the month, sunrise is at 05:55 and sunset at 18:00 WAT.
Sunshine
In Nsem, the average sunshine in September is 5.7h.UV index
May through September, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during September leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Nsem in September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Nsem have in September?
What is the month with the lowest UV index?
What is the UV index reading in September?
Average temperature in September
Nsem, Cameroon
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is February (35.2°C).
The month with the lowest average high temperature is August (25.7°C).
- Average low temperature in September: 18.8°C
The months with the highest average low temperature are March and April (20.2°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average pressure in September
Nsem, Cameroon
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is July (1014.2mbar).
The month with the lowest atmospheric pressure is February (1010.3mbar).
Average wind speed in September
Nsem, Cameroon
- Average wind speed in September: 4.5km/h
The windiest month (with the highest average wind speed) is March (6.1km/h).
The calmest month (with the lowest average wind speed) is October (4km/h).
Average humidity in September
Nsem, Cameroon
- Average humidity in September: 91%
The month with the highest relative humidity is August (92%).
The month with the lowest relative humidity is January (42%).
Average rainfall in September
Nsem, Cameroon
- Average rainfall in September: 225mm
The wettest month (with the highest rainfall) is October (252mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in September
Nsem, Cameroon
- Average rainfall days in September: 29.5 days
The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (1.4 days).
Average daylight in September /
Average sunshine in September
Nsem, Cameroon
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is January (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 4h and 54min).
Average sunshine days in September
Nsem, Cameroon
- Average sunshine days in September: 0 days
The month with the most sunshine days is January (28.7 days).
The month with the least sunshine days is September (0 days).
Average UV index in September
Nsem, Cameroon
- Average UV index in September: 5
The month with the highest UV index is February (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 5).
Average cloud cover in September
Nsem, Cameroon
- Average cloud cover in September: 73
The month with the most cloud cover is August (Cloud cover 78).
The months with the least cloud cover are January and December (Cloud cover 8).
Average visibility in September
Nsem, Cameroon
- Average visibility in September: 5km
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are August and September (5km).
