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
Weather in September
Temperature
The advent of September in Changde, China, brings a slight shift in average high-temperature, moving from a tropical 32.8°C (91°F) in August to a warm 28.5°C (83.3°F). Throughout the September nights, Changde encounters a low-temperature of 19.6°C (67.3°F).Heat index
The heat index value for September is evaluated at a hot 32°C (89.6°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Consider that heat index readings are for situations in the shade and light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In September, the average relative humidity is 74%.Rainfall
In Changde, in September, during 10.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 136.8 rainfall days, and 569mm (22.4") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 06:11 and sunset at 18:55. On the last day of September, sunrise is at 06:25 and sunset at 18:20 CST.
Sunshine
In Changde, the average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
Is it hot in Changde during September?
What is the average humidity in September in Changde?
How much does it rain in Changde in September?
When it does not snow in Changde?
How many hours of daylight does Changde have in September?
When are sunrise and sunset in September in Changde?
How many hours of sunshine does Changde have in September?
What is the UV index intensity in September in Changde?
Average temperature in September
Changde, China
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is July (33.2°C).
The month with the lowest average high temperature is January (9.7°C).
- Average low temperature in September: 19.6°C
The month with the highest average low temperature is July (24.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in September
Changde, China
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is January (1026.9mbar).
The month with the lowest atmospheric pressure is July (1003.3mbar).
Average wind speed in September
Changde, China
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is June (7.2km/h).
Average humidity in September
Changde, China
- Average humidity in September: 74%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is December (60%).
Average rainfall in September
Changde, China
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (101mm).
The driest month (with the least rainfall) is December (15mm).
Average rainfall days in September
Changde, China
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is December (7.5 days).
Average snowfall in September
Changde, China
- Average snowfall in September: 0mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Changde, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Changde, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in September
Changde, China
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is August (13.7 days).
Average UV index in September
Changde, China
- Average UV index in September: 5
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Changde, China
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are August and December (Cloud cover 37).
Average visibility in September
Changde, China
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
Changde, China
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