September weather forecastCuiluan, China
September
Weather in September
September, the first month of the autumn in Cuiluan, is still a comfortable month, with temperature in the range of an average low of 5.1°C (41.2°F) and an average high of 17.4°C (63.3°F).Temperature
Start of September brings a shift in the average high-temperature, falling from August's warm 23.8°C (74.8°F) to a refreshing 17.4°C (63.3°F). Cuiluan experiences a dramatic descent in temperature during September, with the average nighttime reading settling at an icy 5.1°C (41.2°F).Humidity
In September, the average relative humidity in Cuiluan is 74%.Rainfall
In September, in Cuiluan, the rain falls for 12.5 days. Throughout September, 47mm (1.85") of precipitation is accumulated. In Cuiluan, during the entire year, the rain falls for 118.2 days and collects up to 517mm (20.35") of precipitation.Snowfall
January through May, September through December are months with snowfall in Cuiluan. September is the first month it typically snows in Cuiluan. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Cuiluan, during the entire year, snow falls for 94.9 days and aggregates up to 544mm (21.42") of snow.Daylight
In Cuiluan, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 04:44 and sunset at 18:06. On the last day of September, in Cuiluan, sunrise is at 05:23 and sunset at 17:07 CST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Cuiluan, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cuiluan, China
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is July (26.1°C).
The month with the lowest average high temperature is January (-16.4°C).
- Average low temperature in September: 5.1°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-25.4°C).
Average pressure in September
Cuiluan, China
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is January (1024.6mbar).
The month with the lowest atmospheric pressure is July (1004.4mbar).
Average wind speed in September
Cuiluan, China
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is April (11.8km/h).
The calmest months (with the lowest average wind speed) are July and August (8km/h).
Average humidity in September
Cuiluan, China
- Average humidity in September: 74%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is April (57%).
Average rainfall in September
Cuiluan, China
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is June (107mm).
The driest month (with the least rainfall) is January (5mm).
Average rainfall days in September
Cuiluan, China
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (20.3 days).
The month with the least rainy days is January (0.6 days).
Average snowfall in September
Cuiluan, China
- Average snowfall in September: 1mm
The month with the highest snowfall is March (141mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Cuiluan, China
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is March (19.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Cuiluan, China
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 2h and 6min).
Average sunshine days in September
Cuiluan, China
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Cuiluan, China
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Cuiluan, China
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is October (Cloud cover 34).
Average visibility in September
Cuiluan, China
- Average visibility in September: 8km
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (4km).





