Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September marks an average high-temperature of a warm 27.8°C (82°F), hardly differing from August's 30.2°C (86.4°F). In Yong'an, September is marked by an average low-temperature of 19.1°C (66.4°F).Heat index
In September, the average heat index is computed to be a hot 32°C (89.6°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in September in Yong'an is 84%.Rainfall
In Yong'an, China, in September, during 21.6 rainfall days, 96mm (3.78") of precipitation is typically accumulated. Throughout the year, in Yong'an, China, there are 230.8 rainfall days, and 1357mm (53.43") of precipitation is accumulated.Snowfall
In Yong'an, snow does not fall in February through November.Daylight
In September, the average length of the day in Yong'an is 12h and 19min.On the first day of the month, sunrise is at 05:50 and sunset at 18:30. On the last day of September, sunrise is at 06:02 and sunset at 17:58 CST.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Yong'an is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the average September temperature in Yong'an?
What is the average humidity in September in Yong'an?
How many days does it rain in September in Yong'an?
When it does not snow in Yong'an?
What is the average length of the day in September in Yong'an?
When is the sunrise / sunset in September in Yong'an?
How many hours of sunshine does Yong'an have in September?
How high is the UV index in September in Yong'an?
Average temperature in September
Yong'an, China
- Average high temperature in September: 27.8°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is July (21.3°C).
The coldest month (with the lowest average low temperature) is January (4.5°C).
Average pressure in September
Yong'an, China
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is January (1023.5mbar).
The month with the lowest atmospheric pressure is August (1006mbar).
Average wind speed in September
Yong'an, China
- Average wind speed in September: 4.9km/h
The windiest months (with the highest average wind speed) are March and April (5.7km/h).
The calmest months (with the lowest average wind speed) are August and September (4.9km/h).
Average humidity in September
Yong'an, China
- Average humidity in September: 84%
The month with the highest relative humidity is June (88%).
The months with the lowest relative humidity are January and December (79%).
Average rainfall in September
Yong'an, China
- Average rainfall in September: 96mm
The wettest month (with the highest rainfall) is June (254mm).
The driest month (with the least rainfall) is December (36mm).
Average rainfall days in September
Yong'an, China
- Average rainfall days in September: 21.6 days
The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is December (10.9 days).
Average snowfall in September
Yong'an, China
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Yong'an, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Yong'an, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Yong'an, China
- Average sunshine days in September: 5.8 days
The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is June (2.2 days).
Average UV index in September
Yong'an, China
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Yong'an, China
- Average cloud cover in September: 53
The months with the most cloud cover are May and June (Cloud cover 64).
The month with the least cloud cover is December (Cloud cover 44).
Average visibility in September
Yong'an, China
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, October and December (8km).
The months with the lowest visibility are May, June, July, August, September and November (7km).
Yong'an, China
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