September weather forecastParis, Congo
September
Weather in September
September, the first month of the autumn in Paris, is still a hot month, with an average temperature varying between 30.5°C (86.9°F) and 21.2°C (70.2°F).Temperature
September, characterized by an average high temperature of 30.5°C (86.9°F) and a low temperature of 21.2°C (70.2°F), is generally the coldest month.Heat index
In September, the average heat index is computed to be a blisteringly hot 40°C (104°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Know that the heat index computations account for shaded terrains and slight winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
The average relative humidity in September in Paris, Congo, is 83%.Rainfall
In September, the rain falls for 25.8 days. Throughout September, 106mm (4.17") of precipitation is accumulated. Throughout the year, there are 254.7 rainfall days, and 1034mm (40.71") of precipitation is accumulated.Daylight
In September, the average length of the day in Paris is 12h and 7min.On the first day of the month, sunrise is at 05:52 and sunset at 18:01. On the last day of September, in Paris, Congo, sunrise is at 05:44 and sunset at 17:50 WAT.
Sunshine
In Paris, the average sunshine in September is 7.5h.UV index
The months with the lowest UV index in Paris, Congo, are June, August through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Paris, Congo
- Average high temperature in September: 30.5°C
The warmest month (with the highest average high temperature) is January (35.7°C).
The month with the lowest average high temperature is September (30.5°C).
- Average low temperature in September: 21.2°C
The months with the highest average low temperature are February and March (22.3°C).
The coldest month (with the lowest average low temperature) is September (21.2°C).
Average pressure in September
Paris, Congo
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is July (1012.3mbar).
The month with the lowest atmospheric pressure is February (1008.8mbar).
Average wind speed in September
Paris, Congo
- Average wind speed in September: 4.1km/h
The windiest months (with the highest average wind speed) are February and March (4.5km/h).
The calmest month (with the lowest average wind speed) is November (3.5km/h).
Average humidity in September
Paris, Congo
- Average humidity in September: 83%
The month with the highest relative humidity is October (84%).
The month with the lowest relative humidity is January (54%).
Average rainfall in September
Paris, Congo
- Average rainfall in September: 106mm
The wettest month (with the highest rainfall) is October (147mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days in September
Paris, Congo
- Average rainfall days in September: 25.8 days
The month with the highest number of rainy days is October (28.1 days).
The month with the least rainy days is January (9.3 days).
Average daylight in September /
Average sunshine in September
Paris, Congo
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is October (Average sunshine: 7h and 18min).
Average sunshine days in September
Paris, Congo
- Average sunshine days in September: 3.2 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is October (2.1 days).
Average UV index in September
Paris, Congo
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, July, November and December (UV index 7).
The months with the lowest UV index are June, August, September and October (UV index 6).
Average cloud cover in September
Paris, Congo
- Average cloud cover in September: 52
The month with the most cloud cover is October (Cloud cover 56).
The month with the least cloud cover is January (Cloud cover 19).
Average visibility in September
Paris, Congo
- Average visibility in September: 7km
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are September and October (7km).
