September weather forecastSinda, Congo
September
Weather in September
The first month of the spring, September, is also a hot month in Sinda, Congo, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 21.4°C (70.5°F).Temperature
September brings an average high-temperature of a still hot 30.4°C (86.7°F), nearly identical to the preceding month. Sinda encounters a steady low-temperature average of 21.4°C (70.5°F) throughout the month of September.Heat index
In September, the heat index is calculated to be a fiery hot 36°C (96.8°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. 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.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
In Sinda, the average relative humidity in September is 71%.Rainfall
In Sinda, in September, it is raining for 11.7 days, with typically 17mm (0.67") of accumulated precipitation. In Sinda, during the entire year, the rain falls for 247.1 days and collects up to 1446mm (56.93") of precipitation.Daylight
The average length of the day in September is 12h and 5min.On the first day of September, sunrise is at 06:07 and sunset at 18:09. On the last day of the month, sunrise is at 05:54 and sunset at 18:02 WAT.
Sunshine
The average sunshine in September in Sinda is 7.1h.UV index
January through March, May through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sinda, Congo
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is March (31.2°C).
The months with the lowest average high temperature are November and December (29.5°C).
- Average low temperature in September: 21.4°C
The months with the highest average low temperature are February, March and April (22.4°C).
The coldest month (with the lowest average low temperature) is July (18.9°C).
Average pressure in September
Sinda, Congo
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The month with the lowest atmospheric pressure is February (1010.4mbar).
Average wind speed in September
Sinda, Congo
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is August (8.5km/h).
The calmest month (with the lowest average wind speed) is April (4.4km/h).
Average humidity in September
Sinda, Congo
- Average humidity in September: 71%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Sinda, Congo
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is November (223mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Sinda, Congo
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is January (29.5 days).
The month with the least rainy days is July (3.7 days).
Average daylight in September /
Average sunshine in September
Sinda, Congo
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is October (Average sunshine: 5h and 36min).
Average sunshine days in September
Sinda, Congo
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is November (0.6 days).
Average UV index in September
Sinda, Congo
- Average UV index in September: 6
The month with the highest UV index is April (UV index 7).
The months with the lowest UV index are January, February, March, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Sinda, Congo
- Average cloud cover in September: 57
The month with the most cloud cover is October (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Sinda, 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 April and December (6km).





