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
September
Weather in September
Temperature
The onset of September results in a decrease in the average high-temperature, receding from a moderately hot 27.4°C (81.3°F) in August to a pleasant 21.8°C (71.2°F). During the nights in September, the temperature averages to a cool 12.9°C (55.2°F).Humidity
September is the most humid month in Chengcheng, with an average relative humidity of 64%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 76.4 rainfall days, and 246mm (9.69") of precipitation is accumulated.Snowfall
In Chengcheng, snow does not fall in May through September.Daylight
In Chengcheng, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 06:12 and sunset at 19:07. On the last day of September, sunrise is at 06:34 and sunset at 18:25 CST.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Chengcheng?
Average temperature in September
Chengcheng, China
- Average high temperature in September: 21.8°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is July (18.8°C).
The coldest month (with the lowest average low temperature) is January (-7°C).
Average pressure in September
Chengcheng, China
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is December (1029.1mbar).
The month with the lowest atmospheric pressure is July (1004.6mbar).
Average wind speed in September
Chengcheng, China
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is April (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Chengcheng, China
- Average humidity in September: 64%
The month with the highest relative humidity is September (64%).
The month with the lowest relative humidity is March (39%).
Average rainfall in September
Chengcheng, China
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in September
Chengcheng, China
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is August (12.1 days).
The month with the least rainy days is December (1 days).
Average snowfall in September
Chengcheng, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (33mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Chengcheng, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chengcheng, 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 4min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in September
Chengcheng, China
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is December (29 days).
The month with the least sunshine days is August (16.3 days).
Average UV index in September
Chengcheng, China
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Chengcheng, China
- Average cloud cover in September: 30
The month with the most cloud cover is September (Cloud cover 30).
The month with the least cloud cover is December (Cloud cover 16).
Average visibility in September
Chengcheng, 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).
