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 arrival of September signals a subtle shift in temperature, down from a pleasant 22.5°C (72.5°F) in August to a refreshing 19°C (66.2°F). In September, Dechang experiences an average nighttime temperature of 10.4°C (50.7°F).Humidity
September is the most humid month, with an average relative humidity of 87%.Rainfall
In September, the rain falls for 26.7 days. Throughout September, 131mm (5.16") of precipitation is accumulated. In Dechang, during the entire year, the rain falls for 224.7 days and collects up to 1137mm (44.76") of precipitation.Snowfall
In Dechang, snow does not fall in April through October.Daylight
In September, the average length of the day in Dechang is 12h and 19min.On the first day of September, sunrise is at 06:50 and sunset at 19:32. On the last day of the month, sunrise is at 07:03 and sunset at 18:58 CST.
Sunshine
In Dechang, China, the average sunshine in September is 8.4h.UV index
In Dechang, China, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prevention - Warding off sunburn is urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Dechang in September?
What is the most humid month in Dechang?
What is the average humidity in September in Dechang?
How much does it rain in Dechang in September?
When it does not snow in Dechang?
How many hours of daylight does Dechang have in September?
When is the sunrise / sunset in September in Dechang?
How many hours of sunshine does Dechang have in September?
How high is the UV index in September in Dechang?
Average temperature in September
Dechang, China
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The months with the lowest average high temperature are January and December (10.9°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is June (12.6°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Dechang, China
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is June (1006.9mbar).
Average wind speed in September
Dechang, China
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is February (9.6km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).
Average humidity in September
Dechang, China
- Average humidity in September: 87%
The month with the highest relative humidity is September (87%).
The month with the lowest relative humidity is February (59%).
Average rainfall in September
Dechang, China
- Average rainfall in September: 131mm
The wettest month (with the highest rainfall) is June (240mm).
The driest months (with the least rainfall) are February and December (11mm).
Average rainfall days in September
Dechang, China
- Average rainfall days in September: 26.7 days
The month with the highest number of rainy days is July (28.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Dechang, China
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dechang, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.2 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
Dechang, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is April (Average sunshine: 11h and 0min).
The month with the least sunshine is October (Average sunshine: 6h and 18min).
Average sunshine days in September
Dechang, China
- Average sunshine days in September: 1.8 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is July (1 days).
Average UV index in September
Dechang, China
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Dechang, China
- Average cloud cover in September: 55
The month with the most cloud cover is September (Cloud cover 55).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in September
Dechang, China
- Average visibility in September: 7km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are July, September and October (7km).
Dechang, China
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