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 transition into September involves a decrease in the average high-temperature, falling from 29.9°C (85.8°F) in August to a still warm 23.8°C (74.8°F). The temperature in Chenggu dips to an average of 14.4°C (57.9°F) during September nights.Humidity
The most humid month is September, with an average relative humidity of 74%.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 66mm (2.6") of precipitation is accumulated. Throughout the year, there are 105.9 rainfall days, and 366mm (14.41") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Chenggu.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 06:25 and sunset at 19:16. On the last day of the month, sunrise is at 06:44 and sunset at 18:36 CST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September in Chenggu is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the usual temperature for Chenggu in September?
What is the most humid month in Chenggu?
What is the average humidity in September in Chenggu?
How many days does it rain in September in Chenggu?
When it does not snow in Chenggu?
How many hours of daylight does Chenggu have in September?
When are sunrise and sunset in September in Chenggu?
How long on average sun shines in September in Chenggu?
What is the UV index intensity in September in Chenggu?
Average temperature in September
Chenggu, China
- Average high temperature in September: 23.8°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in September: 14.4°C
The month with the highest average low temperature is July (19°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Chenggu, China
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is December (1026.2mbar).
The month with the lowest atmospheric pressure is July (1004.7mbar).
Average wind speed in September
Chenggu, China
- Average wind speed in September: 5.1km/h
The windiest month (with the highest average wind speed) is March (6.5km/h).
The calmest month (with the lowest average wind speed) is October (4.9km/h).
Average humidity in September
Chenggu, China
- Average humidity in September: 74%
The month with the highest relative humidity is September (74%).
The months with the lowest relative humidity are January, March and December (52%).
Average rainfall in September
Chenggu, China
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is July (74mm).
The driest months (with the least rainfall) are January and December (2mm).
Average rainfall days in September
Chenggu, China
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in September
Chenggu, China
- Average snowfall in September: 0mm
The month with the highest snowfall is November (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chenggu, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chenggu, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in September
Chenggu, China
- Average sunshine days in September: 13.1 days
The months with the most sunshine days are January and December (28.5 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Chenggu, China
- Average UV index in September: 5
The months with the highest UV index are April, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Chenggu, China
- Average cloud cover in September: 39
The month with the most cloud cover is September (Cloud cover 39).
The month with the least cloud cover is December (Cloud cover 21).
Average visibility in September
Chenggu, China
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, October, November and December (10km).
The months with the lowest visibility are July and September (9km).
Chenggu, China
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