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
September ushers in a minor alteration in Chengwu's climate, with the average high-temperature moving from August's hot 30.8°C (87.4°F) to a moderately hot 26.5°C (79.7°F). Chengwu experiences an average low-temperature of 17.2°C (63°F) in the month of September.Humidity
The average relative humidity in September in Chengwu is 72%.Rainfall
In Chengwu, during September, the rain falls for 9.3 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 77 rainfall days, and 200mm (7.87") of precipitation is accumulated.Snowfall
In Chengwu, snow does not fall in April through October.Daylight
In Chengwu, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:49 and sunset at 18:43. On the last day of September, in Chengwu, sunrise is at 06:10 and sunset at 18:02 CST.
Sunshine
In September, the average sunshine in Chengwu is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Chengwu in September?
What is the average humidity in September in Chengwu?
How much does it rain in Chengwu in September?
When it does not snow in Chengwu?
What is the average length of the day in September in Chengwu?
When are sunrise and sunset in September in Chengwu?
How many hours of sunshine does Chengwu have in September?
What is the UV index intensity in September in Chengwu?
Average temperature in September
Chengwu, China
- Average high temperature in September: 26.5°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 (6.1°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is July (23.7°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).
Average pressure in September
Chengwu, China
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is January (1028.6mbar).
The month with the lowest atmospheric pressure is July (1003.6mbar).
Average wind speed in September
Chengwu, China
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in September
Chengwu, China
- Average humidity in September: 72%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (47%).
Average rainfall in September
Chengwu, China
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is August (54mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
Chengwu, China
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is December (2.1 days).
Average snowfall in September
Chengwu, China
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chengwu, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Chengwu, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Chengwu, China
- Average sunshine days in September: 18.7 days
The months with the most sunshine days are January and December (27.8 days).
The month with the least sunshine days is August (15.5 days).
Average UV index in September
Chengwu, China
- Average UV index in September: 5
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Chengwu, China
- Average cloud cover in September: 37
The months with the most cloud cover are August and September (Cloud cover 37).
The month with the least cloud cover is December (Cloud cover 23).
Average visibility in September
Chengwu, China
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).
