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 comes with a shift in the average high-temperature, falling from a tropical 30.9°C (87.6°F) in August to a moderately hot 25.1°C (77.2°F). During September, Heyang records a consistent average nighttime temperature of 15.6°C (60.1°F).Humidity
The most humid month in Heyang is September, with an average relative humidity of 63%.Rainfall
In Heyang, China, in September, it is raining for 9.5 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 75 rainfall days, and 245mm (9.65") of precipitation is accumulated.Snowfall
March, May through October are months without snowfall.Daylight
The average length of the day in September in Heyang, China, is 12h and 25min.On the first day of September in Heyang, sunrise is at 06:12 and sunset at 19:06. On the last day of the month, sunrise is at 06:33 and sunset at 18:25 CST.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Heyang is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the usual temperature for Heyang in September?
What is the most humid month in Heyang?
What is the average humidity in September in Heyang?
How many days does it rain in September in Heyang?
When it does not snow in Heyang?
How many hours of daylight does Heyang have in September?
When are sunrise and sunset in September in Heyang?
How many hours of sunshine does Heyang have in September?
What is the UV index intensity in September in Heyang?
Average temperature in September
Heyang, China
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is July (32.7°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 15.6°C
The month with the highest average low temperature is July (21.8°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in September
Heyang, China
- Average pressure in September: 1015mbar
The months with the highest atmospheric pressure are January and December (1028.8mbar).
The month with the lowest atmospheric pressure is July (1004.5mbar).
Average wind speed in September
Heyang, China
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is March (10.7km/h).
The calmest month (with the lowest average wind speed) is January (8.2km/h).
Average humidity in September
Heyang, China
- Average humidity in September: 63%
The month with the highest relative humidity is September (63%).
The month with the lowest relative humidity is March (40%).
Average rainfall in September
Heyang, China
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (51mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in September
Heyang, China
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (1.1 days).
Average snowfall in September
Heyang, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are March, May, June, July, August, September and October (0mm).
Average snowfall days in September
Heyang, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Heyang, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in September
Heyang, China
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is December (29 days).
The month with the least sunshine days is July (16.6 days).
Average UV index in September
Heyang, China
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Heyang, China
- Average cloud cover in September: 34
The month with the most cloud cover is September (Cloud cover 34).
The month with the least cloud cover is December (Cloud cover 17).
Average visibility in September
Heyang, China
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Heyang, China
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