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
September
Weather in September
Temperature
The onset of September brings a small change in high-temperatures, falling from a warm 26°C (78.8°F) in August to a pleasant 20.3°C (68.5°F). Throughout September, Yongchang registers a consistent average low-temperature of 12.5°C (54.5°F).Humidity
The average relative humidity in September is 40%.Rainfall
In Yongchang, China, during September, the rain falls for 9.6 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, there are 73.3 rainfall days, and 137mm (5.39") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:41 and sunset at 19:42. On the last day of September, sunrise is at 07:07 and sunset at 18:56 CST.
Sunshine
In Yongchang, the average sunshine in September is 8.9h.UV index
In Yongchang, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Yongchang have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Yongchang, China
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is July (28.1°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is July (19.3°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).
Average pressure in September
Yongchang, China
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is December (1029mbar).
The month with the lowest atmospheric pressure is July (1005.3mbar).
Average wind speed in September
Yongchang, China
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is May (14.6km/h).
The calmest month (with the lowest average wind speed) is January (8.4km/h).
Average humidity in September
Yongchang, China
- Average humidity in September: 40%
The month with the highest relative humidity is January (47%).
The months with the lowest relative humidity are April and May (26%).
Average rainfall in September
Yongchang, China
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is August (27mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in September
Yongchang, China
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is August (11.3 days).
The month with the least rainy days is December (1.5 days).
Average snowfall in September
Yongchang, China
- Average snowfall in September: 0mm
The month with the highest snowfall is January (13mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Yongchang, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Yongchang, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Yongchang, China
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is August (16.8 days).
Average UV index in September
Yongchang, China
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Yongchang, China
- Average cloud cover in September: 24
The months with the most cloud cover are March and April (Cloud cover 25).
The months with the least cloud cover are October and November (Cloud cover 19).
Average visibility in September
Yongchang, China
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
