September weather forecastSinan, China
September
Weather in September
September, the first month of the autumn in Sinan, is also a moderately hot month, with temperature in the range of an average high of 24.7°C (76.5°F) and an average low of 16.7°C (62.1°F).Temperature
Sinan in September undergoes a slight reduction in the average high-temperature, shifting from August's 29.2°C (84.6°F) to a still moderately hot 24.7°C (76.5°F). The low-temperature average for Sinan during September stands at an enjoyable 16.7°C (62.1°F).Humidity
The average relative humidity in September is 83%.Rainfall
In Sinan, during September, the rain falls for 20.8 days and regularly aggregates up to 125mm (4.92") of precipitation. In Sinan, China, during the entire year, the rain falls for 220.6 days and collects up to 1148mm (45.2") of precipitation.Snowfall
April through October are months without snowfall in Sinan.Daylight
In September, the average length of the day in Sinan is 12h and 20min.On the first day of the month, sunrise is at 06:25 and sunset at 19:08. On the last day of September, in Sinan, sunrise is at 06:39 and sunset at 18:34 CST.
Sunshine
The average sunshine in September is 6.3h.UV index
In September, the average daily maximum UV index in Sinan is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sinan, China
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in September: 16.7°C
The month with the highest average low temperature is July (19.9°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Sinan, China
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is December (1024.6mbar).
The month with the lowest atmospheric pressure is July (1004.7mbar).
Average wind speed in September
Sinan, China
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is July (6.4km/h).
The calmest month (with the lowest average wind speed) is December (4.9km/h).
Average humidity in September
Sinan, China
- Average humidity in September: 83%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February and March (72%).
Average rainfall in September
Sinan, China
- Average rainfall in September: 125mm
The wettest month (with the highest rainfall) is June (219mm).
The driest month (with the least rainfall) is December (31mm).
Average rainfall days in September
Sinan, China
- Average rainfall days in September: 20.8 days
The month with the highest number of rainy days is July (26.6 days).
The month with the least rainy days is December (11.6 days).
Average snowfall in September
Sinan, China
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sinan, 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
Sinan, China
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in September
Sinan, China
- Average sunshine days in September: 6.5 days
The month with the most sunshine days is December (17.6 days).
The month with the least sunshine days is July (2.9 days).
Average UV index in September
Sinan, China
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Sinan, China
- Average cloud cover in September: 57
The month with the most cloud cover is June (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in September
Sinan, China
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, October, November and December (9km).
The months with the lowest visibility are May, June, July, August and September (8km).








