September weather forecastKatamsa, Cameroon
September
Weather in September
September, the first month of the autumn in Katamsa, is still a hot month, with temperature in the range of an average low of 23.7°C (74.7°F) and an average high of 33°C (91.4°F).Temperature
With September's advent, Katamsa sees an average high-temperature of a still tropical 33°C (91.4°F), subtly shifted from August's 30.8°C (87.4°F). September nights observe an average temperature dip to a moderately hot 23.7°C (74.7°F).Heat index
For September, the heat index is estimated at a blisteringly hot 41°C (105.8°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
In September, the average relative humidity in Katamsa is 64%.Rainfall
In September, the rain falls for 17.1 days. Throughout September, 62mm (2.44") of precipitation is accumulated. In Katamsa, during the entire year, the rain falls for 95.7 days and collects up to 400mm (15.75") of precipitation.Daylight
The average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 05:54 and sunset at 18:13. On the last day of the month, sunrise is at 05:52 and sunset at 17:55 WAT.
Sunshine
In Katamsa, the average sunshine in September is 10.7h.UV index
The months with the lowest UV index are January, July through September, November and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Katamsa, Cameroon
- Average high temperature in September: 33°C
The warmest month (with the highest average high temperature) is April (40.8°C).
The month with the lowest average high temperature is August (30.8°C).
- Average low temperature in September: 23.7°C
The month with the highest average low temperature is May (29.7°C).
The coldest month (with the lowest average low temperature) is January (18.9°C).
Average pressure in September
Katamsa, Cameroon
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The month with the lowest atmospheric pressure is April (1006.3mbar).
Average wind speed in September
Katamsa, Cameroon
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).
Average humidity in September
Katamsa, Cameroon
- Average humidity in September: 64%
The month with the highest relative humidity is August (73%).
The month with the lowest relative humidity is March (12%).
Average rainfall in September
Katamsa, Cameroon
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is August (154mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days in September
Katamsa, Cameroon
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is August (24.3 days).
The months with the least rainy days are January and December (0 days).
Average daylight in September /
Average sunshine in September
Katamsa, Cameroon
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 10h and 42min
The month with the most sunshine is April (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).
Average sunshine days in September
Katamsa, Cameroon
- Average sunshine days in September: 10.6 days
The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in September
Katamsa, Cameroon
- Average UV index in September: 7
The month with the highest UV index is April (UV index 9).
The months with the lowest UV index are January, July, August, September, November and December (UV index 7).
Average cloud cover in September
Katamsa, Cameroon
- Average cloud cover in September: 26
The month with the most cloud cover is August (Cloud cover 40).
The months with the least cloud cover are January and December (Cloud cover 1).
Average visibility in September
Katamsa, Cameroon
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).





