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
In Duchang, the average high-temperature in September slightly decreases from a tropical 31.9°C (89.4°F) in August to a moderately hot 28.1°C (82.6°F). In the month of September, the nighttime temperature dips to a steady average of 20.5°C (68.9°F).Heat index
During September, the heat index is calculated to be a tropical 32°C (89.6°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Duchang, the average relative humidity in September is 77%.Rainfall
In Duchang, during September, the rain falls for 13.3 days and regularly aggregates up to 70mm (2.76") of precipitation. Throughout the year, there are 178.2 rainfall days, and 1341mm (52.8") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Duchang, China, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 05:52 and sunset at 18:37. On the last day of the month, sunrise is at 06:07 and sunset at 18:02 CST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Duchang?
What is the average length of the day in September in Duchang?
When is the sunrise / sunset in September?
How many hours of sunshine does Duchang have in September?
What is the UV index reading in September?
Average temperature in September
Duchang, China
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Duchang, China
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is January (1026.5mbar).
The month with the lowest atmospheric pressure is July (1004.3mbar).
Average wind speed in September
Duchang, China
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest month (with the lowest average wind speed) is June (7.5km/h).
Average humidity in September
Duchang, China
- Average humidity in September: 77%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is December (67%).
Average rainfall in September
Duchang, China
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is July (270mm).
The driest month (with the least rainfall) is October (39mm).
Average rainfall days in September
Duchang, China
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is December (8 days).
Average snowfall in September
Duchang, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (197mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Duchang, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Duchang, 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Duchang, China
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in September
Duchang, China
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Duchang, China
- Average cloud cover in September: 43
The months with the most cloud cover are February and June (Cloud cover 54).
The month with the least cloud cover is December (Cloud cover 37).
Average visibility in September
Duchang, China
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
