September weather forecastKoukou Angarana, Chad
September
Weather in September
The first month of the autumn, September, is still a hot month in Koukou Angarana, Chad, with an average temperature varying between 33.5°C (92.3°F) and 23.3°C (73.9°F).Temperature
The embrace of September brings a minor uplift in the average high-temperature, shifting from 30.5°C (86.9°F) in August to a still hot 33.5°C (92.3°F). In September, the nighttime temperature lowers to an average of 23.3°C (73.9°F).Heat index
September's average heat index is calculated to be a blistering 43°C (109.4°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.Note that heat index values are valued for light wind and location in the shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
In Koukou Angarana, the average relative humidity in September is 66%.Rainfall
In Koukou Angarana, during September, the rain falls for 17.8 days and regularly aggregates up to 80mm (3.15") of precipitation. In Koukou Angarana, Chad, during the entire year, the rain falls for 96.8 days and collects up to 618mm (24.33") of precipitation.Daylight
In Koukou Angarana, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 05:22 and sunset at 17:43. On the last day of September, sunrise is at 05:22 and sunset at 17:23 WAT.
Sunshine
In Koukou Angarana, the average sunshine in September is 9.5h.UV index
January, June through September, November and December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 7 suggests these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koukou Angarana, Chad
- Average high temperature in September: 33.5°C
The warmest month (with the highest average high temperature) is April (41.1°C).
The month with the lowest average high temperature is August (30.5°C).
- Average low temperature in September: 23.3°C
The month with the highest average low temperature is May (27.6°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).
Average pressure in September
Koukou Angarana, Chad
- Average pressure in September: 1010.2mbar
The months with the highest atmospheric pressure are January and December (1011.2mbar).
The month with the lowest atmospheric pressure is April (1006.5mbar).
Average wind speed in September
Koukou Angarana, Chad
- Average wind speed in September: 6.5km/h
The windiest months (with the highest average wind speed) are March and June (9.5km/h).
The calmest month (with the lowest average wind speed) is October (6.2km/h).
Average humidity in September
Koukou Angarana, Chad
- Average humidity in September: 66%
The month with the highest relative humidity is August (77%).
The month with the lowest relative humidity is March (13%).
Average rainfall in September
Koukou Angarana, Chad
- Average rainfall in September: 80mm
The wettest month (with the highest rainfall) is August (263mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days in September
Koukou Angarana, Chad
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, November and December (0 days).
Average daylight in September /
Average sunshine in September
Koukou Angarana, Chad
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is August (Average sunshine: 8h and 0min).
Average sunshine days in September
Koukou Angarana, Chad
- Average sunshine days in September: 10 days
The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (3.2 days).
Average UV index in September
Koukou Angarana, Chad
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May and October (UV index 8).
The months with the lowest UV index are January, June, July, August, September, November and December (UV index 7).
Average cloud cover in September
Koukou Angarana, Chad
- Average cloud cover in September: 25
The month with the most cloud cover is August (Cloud cover 43).
The months with the least cloud cover are January and December (Cloud cover 1).
Average visibility in September
Koukou Angarana, Chad
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
