September weather forecastNjombé, Cameroon
September
Weather in September
The first month of the autumn, September, is still a warm month in Njombé, Cameroon, with an average temperature varying between 21.1°C (70°F) and 28.9°C (84°F).Temperature
The advent of September observes an average high-temperature of a still warm 28.9°C (84°F), nearly identical to August's 28.3°C (82.9°F). Njombé records a consistent low-temperature of 21.1°C (70°F) during September nights.Heat index
September's average heat index is computed to be a sweltering 35°C (95°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In Njombé, Cameroon, the average relative humidity in September is 82%.Rainfall
In Njombé, during September, the rain falls for 29.3 days and regularly aggregates up to 203mm (7.99") of precipitation. In Njombé, during the entire year, the rain falls for 284.9 days and collects up to 1521mm (59.88") of precipitation.Daylight
In September, the average length of the day is 12h and 8min.On the first day of September, sunrise is at 06:15 and sunset at 18:27. On the last day of the month, sunrise is at 06:08 and sunset at 18:13 WAT.
Sunshine
In September, the average sunshine is 7.7h.UV index
The months with the lowest UV index are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Njombé, Cameroon
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is February (34.9°C).
The months with the lowest average high temperature are July and August (28.3°C).
- Average low temperature in September: 21.1°C
The month with the highest average low temperature is March (22.2°C).
The coldest months (with the lowest average low temperature) are January and July (20.9°C).
Average pressure in September
Njombé, Cameroon
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The months with the lowest atmospheric pressure are February and March (1010.1mbar).
Average wind speed in September
Njombé, Cameroon
- Average wind speed in September: 3.8km/h
The windiest month (with the highest average wind speed) is January (4.7km/h).
The calmest months (with the lowest average wind speed) are May, June, July, October and November (3.7km/h).
Average humidity in September
Njombé, Cameroon
- Average humidity in September: 82%
The months with the highest relative humidity are July and August (83%).
The month with the lowest relative humidity is January (62%).
Average rainfall in September
Njombé, Cameroon
- Average rainfall in September: 203mm
The wettest month (with the highest rainfall) is July (264mm).
The driest month (with the least rainfall) is January (16mm).
Average rainfall days in September
Njombé, Cameroon
- Average rainfall days in September: 29.3 days
The month with the highest number of rainy days is July (29.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight in September /
Average sunshine in September
Njombé, Cameroon
- Average daylight in September: 12h and 6min
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 54min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 6h and 54min).
Average sunshine days in September
Njombé, Cameroon
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is December (14.3 days).
The month with the least sunshine days is September (0.4 days).
Average UV index in September
Njombé, Cameroon
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).
Average cloud cover in September
Njombé, Cameroon
- Average cloud cover in September: 49
The months with the most cloud cover are July and August (Cloud cover 55).
The month with the least cloud cover is December (Cloud cover 12).
Average visibility in September
Njombé, Cameroon
- Average visibility in September: 8km
The month with the highest visibility is December (10km).
The months with the lowest visibility are June, July, August and September (8km).
