September weather forecastGuangyuan, China
September
Weather in September
September marks a subtle transition from the peak summer season towards autumn. Temperatures maintain a warm average but record a slight dip from August, cooling down to 22.4°C (72.3°F). Rainfall records a considerable decrease, relieving the city off the summer saturation. The reduction in daylight hours and sunshine indicates a shift in season although wind speeds remain tuned to summer's rhythm. September's weather dynamics are a blend of departing summer humidity and incoming autumnal calm.Temperature
The shift from August to September involves a decrease in the average high-temperature, dropping from a warm 28°C (82.4°F) to a pleasant 22.4°C (72.3°F). In Guangyuan, the expected average low-temperature for September is an enjoyable 16.2°C (61.2°F).Humidity
With an average relative humidity of 75%, September is the most humid month.Rainfall
In Guangyuan, during September, the rain falls for 19.5 days and regularly aggregates up to 96mm (3.78") of precipitation. In Guangyuan, during the entire year, the rain falls for 149.3 days and collects up to 687mm (27.05") of precipitation.Snowfall
February through October are months without snowfall in Guangyuan.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 06:31 and sunset at 19:21. On the last day of September, sunrise is at 06:50 and sunset at 18:42 CST.
Sunshine
The average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guangyuan, China
- Average high temperature in September: 22.4°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 16.2°C
The months with the highest average low temperature are July and August (20.3°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Guangyuan, China
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is December (1024.7mbar).
The month with the lowest atmospheric pressure is July (1004.3mbar).
Average wind speed in September
Guangyuan, China
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is May (10.1km/h).
The calmest month (with the lowest average wind speed) is December (7.3km/h).
Average humidity in September
Guangyuan, China
- Average humidity in September: 75%
The month with the highest relative humidity is September (75%).
The month with the lowest relative humidity is March (54%).
Average rainfall in September
Guangyuan, China
- Average rainfall in September: 96mm
The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days in September
Guangyuan, China
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is July (24.9 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in September
Guangyuan, China
- Average snowfall in September: 0mm
The months with the highest snowfall are November and December (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Guangyuan, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Guangyuan, China
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).
Average sunshine days in September
Guangyuan, China
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is January (27.4 days).
The month with the least sunshine days is July (4.1 days).
Average UV index in September
Guangyuan, China
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Guangyuan, China
- Average cloud cover in September: 47
The month with the most cloud cover is September (Cloud cover 47).
The month with the least cloud cover is December (Cloud cover 31).
Average visibility in September
Guangyuan, China
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





