September weather forecastChangbai, China
September
Weather in September
September, the first month of the autumn in Changbai, is still a refreshing month, with an average temperature varying between 17.6°C (63.7°F) and 4.2°C (39.6°F).Temperature
September is characterized by a reduction in the average high-temperature, from a moderately hot 23.1°C (73.6°F) in August to an enjoyable 17.6°C (63.7°F). Nightly average temperatures in September reveal a significant dip from daytime highs in Changbai, China, registering a consistent a wintry 4.2°C (39.6°F).Humidity
The average relative humidity in September in Changbai is 75%.Rainfall
In September, in Changbai, the rain falls for 9.9 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 144.8 rainfall days, and 386mm (15.2") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Changbai.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Changbai, sunrise is at 05:53 and sunset at 19:00. On the last day of the month, sunrise is at 06:23 and sunset at 18:11 KST.
Sunshine
The average sunshine in September in Changbai is 10h.UV index
In Changbai, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Changbai, China
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (-10.8°C).
- Average low temperature in September: 4.2°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is January (-22.6°C).
Average pressure in September
Changbai, China
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is January (1025.2mbar).
The month with the lowest atmospheric pressure is July (1007.3mbar).
Average wind speed in September
Changbai, China
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is April (10.1km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in September
Changbai, China
- Average humidity in September: 75%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (61%).
Average rainfall in September
Changbai, China
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (84mm).
The driest month (with the least rainfall) is January (6mm).
Average rainfall days in September
Changbai, China
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is October (7.3 days).
Average snowfall in September
Changbai, China
- Average snowfall in September: 0mm
The month with the highest snowfall is March (143mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Changbai, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Changbai, China
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 0min
The months with the most sunshine are May and June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Changbai, China
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (21.5 days).
The months with the least sunshine days are June and July (9 days).
Average UV index in September
Changbai, China
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Changbai, China
- Average cloud cover in September: 28
The month with the most cloud cover is July (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in September
Changbai, China
- Average visibility in September: 8km
The months with the highest visibility are April, May, October and November (9km).
The months with the lowest visibility are January, February, July and August (7km).





