September weather forecastOtélé, Cameroon
September
Weather in September
In September, climate indices sustain their previous patterns with minimal fluctuations in Otélé. Defining this month, rainfall inches up slightly from 62mm (2.44") to 99mm (3.9"). A consistent harmony of weather dynamics weaves a tapestry of typical African climate that Otélé embodies. The change gears subtly, with slight changes in average daytime temperatures, wind speeds, and pressure levels. September symbolizes the gradual culmination of the dry phase and evolution towards the raining season.Temperature
Otélé indicates an average high-temperature of a still moderately hot 27.4°C (81.3°F) in September, showing minor variation from August's 26.8°C (80.2°F). In the month of September, the nighttime temperature in Otélé dips to a steady average of 19.7°C (67.5°F).Heat index
Throughout September, the heat index is calculated to be a tropical 32°C (89.6°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
September and October, with an average relative humidity of 90%, are the most humid months.Rainfall
In September, the rain falls for 23.5 days. Throughout September, 99mm (3.9") of precipitation is accumulated. Throughout the year, there are 270.8 rainfall days, and 1144mm (45.04") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 8min.On the first day of the month, sunrise is at 06:09 and sunset at 18:20. On the last day of September, sunrise is at 06:02 and sunset at 18:07 WAT.
Sunshine
In September, the average sunshine 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 reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 in September translates into these instructions:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Otélé, 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
Otélé, 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
Otélé, 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
Otélé, 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
Otélé, 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
Otélé, 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
Otélé, Cameroon
- Average daylight in September: 12h and 6min
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 30min
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
Otélé, 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
Otélé, 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
Otélé, 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
Otélé, 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).
