September weather forecastMantari, Congo
September
Weather in September
The first month of the spring, September, is still a hot month in Mantari, Congo, with an average temperature varying between 32.5°C (90.5°F) and 22.8°C (73°F).Temperature
September registers as the month with the highest average temperatures, reaching 32.5°C (90.5°F) at its peak and 22.8°C (73°F) at the lowest.Heat index
The heat index in September is estimated at a torrid 39°C (102.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant 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.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.
Humidity
The average relative humidity in September is 61%.Rainfall
In September, in Mantari, Congo, the rain falls for 14.5 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Mantari, there are 234.2 rainfall days, and 1298mm (51.1") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 5min.On the first day of September, sunrise is at 06:01 and sunset at 18:03. On the last day of the month, sunrise is at 05:48 and sunset at 17:57 WAT.
Sunshine
In September, the average sunshine in Mantari is 8.3h.UV index
The months with the highest UV index are August and September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mantari, Congo
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is September (32.5°C).
The month with the lowest average high temperature is December (29.2°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is September (22.8°C).
The coldest month (with the lowest average low temperature) is July (20°C).
Average pressure in September
Mantari, Congo
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is February (1010.6mbar).
Average wind speed in September
Mantari, Congo
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is August (9.4km/h).
The calmest month (with the lowest average wind speed) is April (4.8km/h).
Average humidity in September
Mantari, Congo
- Average humidity in September: 61%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Mantari, Congo
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (234mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Mantari, Congo
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is December (28.7 days).
The month with the least rainy days is July (2.6 days).
Average daylight in September /
Average sunshine in September
Mantari, Congo
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is October (Average sunshine: 5h and 36min).
Average sunshine days in September
Mantari, Congo
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is November (1.2 days).
Average UV index in September
Mantari, Congo
- Average UV index in September: 7
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 6).
Average cloud cover in September
Mantari, Congo
- Average cloud cover in September: 45
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Mantari, Congo
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (7km).
