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
The transition into September notes an average high-temperature of a still moderately hot 27.4°C (81.3°F), revealing a mild distinction from the 26.8°C (80.2°F) in August. Nighttime temperature lowers to an average of 19.7°C (67.5°F) in September.Heat index
In September, the average heat index is appraised at a hot 32°C (89.6°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The months with the highest humidity are September and October, with an average relative humidity of 90%.Rainfall
In Nkolmetet, in September, during 23.5 rainfall days, 99mm (3.9") of precipitation is typically accumulated. In Nkolmetet, during the entire year, the rain falls for 270.8 days and collects up to 1144mm (45.04") of precipitation.Daylight
In Nkolmetet, the average length of the day in September is 12h and 8min.On the first day of September, sunrise is at 06:07 and sunset at 18:18. On the last day of the month, sunrise is at 06:00 and sunset at 18:05 WAT.
Sunshine
The average sunshine in September is 5.5h.UV index
The months with the lowest UV index are May through October, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the most humid month?
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 are sunrise and sunset in September?
How long on average sun shines in September?
What is the month with the lowest UV index?
How high is the UV index in September?
Average temperature in September
Nkolmetet, Cameroon
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is February (32.9°C).
The month with the lowest average high temperature is August (26.8°C).
- Average low temperature in September: 19.7°C
The month with the highest average low temperature is March (20.8°C).
The coldest month (with the lowest average low temperature) is July (19.3°C).
Average pressure in September
Nkolmetet, Cameroon
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is July (1014.1mbar).
The month with the lowest atmospheric pressure is February (1010.2mbar).
Average wind speed in September
Nkolmetet, Cameroon
- Average wind speed in September: 4.7km/h
The windiest month (with the highest average wind speed) is August (5.3km/h).
The calmest months (with the lowest average wind speed) are May and November (3.8km/h).
Average humidity in September
Nkolmetet, Cameroon
- Average humidity in September: 90%
The months with the highest relative humidity are September and October (90%).
The month with the lowest relative humidity is January (70%).
Average rainfall in September
Nkolmetet, Cameroon
- Average rainfall in September: 99mm
The wettest month (with the highest rainfall) is October (198mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Nkolmetet, Cameroon
- Average rainfall days in September: 23.5 days
The month with the highest number of rainy days is October (29.1 days).
The month with the least rainy days is January (14.4 days).
Average daylight in September /
Average sunshine in September
Nkolmetet, Cameroon
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 5h and 3min
The months with the most sunshine are January and December (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 6min).
Average sunshine days in September
Nkolmetet, Cameroon
- Average sunshine days in September: 4.1 days
The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is October (1 days).
Average UV index in September
Nkolmetet, Cameroon
- Average UV index in September: 5
The months with the highest UV index are February and March (UV index 7).
The months with the lowest UV index are May, June, July, August, September and October (UV index 5).
Average cloud cover in September
Nkolmetet, Cameroon
- Average cloud cover in September: 78
The month with the most cloud cover is August (Cloud cover 80).
The month with the least cloud cover is January (Cloud cover 36).
Average visibility in September
Nkolmetet, Cameroon
- Average visibility in September: 5km
The months with the highest visibility are January, February and December (8km).
The months with the lowest visibility are June, July, August, September and October (5km).
