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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a tropical 31.1°C (88°F) in August to a warm 26.9°C (80.4°F). During September, Hejian experiences an average low-temperature of 16.3°C (61.3°F) at night.Humidity
In Hejian, the average relative humidity in September is 59%.Rainfall
In Hejian, China, in September, it is raining for 7.6 days, with typically 21mm (0.83") of accumulated precipitation. In Hejian, during the entire year, the rain falls for 69.2 days and collects up to 206mm (8.11") of precipitation.Snowfall
In Hejian, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Hejian, sunrise is at 05:45 and sunset at 18:45. On the last day of the month, sunrise is at 06:10 and sunset at 18:00 CST.
Sunshine
The average sunshine in September is 10.1h.UV index
The average daily maximum UV index in September in Hejian is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are September temperatures in Hejian?
What is the average humidity in September in Hejian?
How many days does it rain in September in Hejian?
When it does not snow in Hejian?
What is the average length of the day in September in Hejian?
When is the sunrise / sunset in September in Hejian?
How long on average sun shines in September in Hejian?
What is the UV index intensity in September in Hejian?
Average temperature in September
Hejian, China
- Average high temperature in September: 26.9°C
The warmest month (with the highest average high temperature) is July (33.8°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 16.3°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 (-5.8°C).
Average pressure in September
Hejian, China
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is January (1028.9mbar).
The month with the lowest atmospheric pressure is July (1003.8mbar).
Average wind speed in September
Hejian, China
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is April (13.7km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Hejian, China
- Average humidity in September: 59%
The month with the highest relative humidity is August (69%).
The month with the lowest relative humidity is March (32%).
Average rainfall in September
Hejian, China
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (61mm).
The driest months (with the least rainfall) are January and December (1mm).
Average rainfall days in September
Hejian, China
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (0.8 days).
Average snowfall in September
Hejian, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Hejian, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Hejian, 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 30min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in September
Hejian, China
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is January (29.7 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Hejian, China
- Average UV index in September: 5
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hejian, China
- Average cloud cover in September: 25
The months with the most cloud cover are July and August (Cloud cover 28).
The month with the least cloud cover is December (Cloud cover 19).
Average visibility in September
Hejian, China
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).
Hejian, China
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