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 start of September signals a gentle decrease in the average high-temperature, transitioning from a tropical 30.9°C (87.6°F) in August to a moderately hot 26.7°C (80.1°F). In Tianchang, September's nights observe an average temperature dip to a comfortable 19.1°C (66.4°F).Humidity
In Tianchang, the average relative humidity in September is 78%.Rainfall
In Tianchang, in September, it is raining for 10.5 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, there are 122.7 rainfall days, and 447mm (17.6") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 05:38 and sunset at 18:28. On the last day of September, sunrise is at 05:57 and sunset at 17:50 CST.
Sunshine
The average sunshine in September is 8.3h.UV index
In Tianchang, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Tianchang?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Tianchang have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Tianchang, China
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is July (23.9°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Tianchang, China
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is January (1027.8mbar).
The month with the lowest atmospheric pressure is July (1004.3mbar).
Average wind speed in September
Tianchang, China
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is March (13.4km/h).
The calmest month (with the lowest average wind speed) is September (10.7km/h).
Average humidity in September
Tianchang, China
- Average humidity in September: 78%
The month with the highest relative humidity is August (83%).
The month with the lowest relative humidity is December (61%).
Average rainfall in September
Tianchang, China
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (106mm).
The driest month (with the least rainfall) is December (14mm).
Average rainfall days in September
Tianchang, China
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is December (6.2 days).
Average snowfall in September
Tianchang, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Tianchang, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 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
Tianchang, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is April (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Tianchang, China
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is August (9.2 days).
Average UV index in September
Tianchang, China
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Tianchang, China
- Average cloud cover in September: 45
The month with the most cloud cover is September (Cloud cover 45).
The months with the least cloud cover are October and December (Cloud cover 32).
Average visibility in September
Tianchang, China
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
