September weather forecastChangli, China

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Changli, China, with an average temperature ranging between min 16.5°C (61.7°F) and max 25.1°C (77.2°F).

Temperature

September ushers in a minor alteration in Changli's climate, with the average high-temperature moving from August's warm 29.2°C (84.6°F) to a still moderately hot 25.1°C (77.2°F). Changli's average low-temperature is measured at a comfortable 16.5°C (61.7°F) during September.

Humidity

In September, the average relative humidity is 63%.

Rainfall

In Changli, in September, during 6.6 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, in Changli, there are 69.9 rainfall days, and 275mm (10.83") of precipitation is accumulated.

Snowfall

In Changli, snow does not fall in April through October.

Daylight

In Changli, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 05:31 and sunset at 18:34. On the last day of the month, sunrise is at 05:58 and sunset at 17:47 CST.

Sunshine

In September, the average sunshine in Changli, China, is 10.7h.

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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

September temperatures in Changli, China, vary between a high-temperature of 25.1°C (77.2°F) and a low-temperature of 16.5°C (61.7°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 34°C (93.2°F).

In Changli, China, the average relative humidity in September is 63%.

In Changli, China, in September, it is raining for 6.6 days, with typically 15mm (0.59") of accumulated precipitation.

In Changli, China, snow does not fall in April through October.

The average day length in September in Changli, China, is 12h and 28min.

On the first day of September, sunrise is at 05:31 and sunset at 18:34. On the last day of the month, sunrise is at 05:58 and sunset at 17:47 CST.

In September, the average sunshine duration in Changli is 10.7h.

In September, the average daily maximum UV index in Changli is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Changli, China

  • Average high temperature in September: 25.1°C

The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in September: 16.5°C

The month with the highest average low temperature is July (21.8°C).
The coldest month (with the lowest average low temperature) is January (-6.6°C).

Average pressure in September
Changli, China

  • Average pressure in September: 1014.5mbar

The month with the highest atmospheric pressure is January (1028.4mbar).
The month with the lowest atmospheric pressure is July (1004.5mbar).

Average wind speed in September
Changli, China

  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in September
Changli, China

  • Average humidity in September: 63%

The month with the highest relative humidity is August (73%).
The month with the lowest relative humidity is March (43%).

Average rainfall in September
Changli, China

  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is August (100mm).
The driest month (with the least rainfall) is January (1mm).

Average rainfall days in September
Changli, China

  • Average rainfall days in September: 6.6 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is January (0.8 days).

Average snowfall in September
Changli, China

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Changli, 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 April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Changli, China

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 10h and 42min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The months with the least sunshine are February and November (Average sunshine: 6h and 48min).

Average sunshine days in September
Changli, China

  • Average sunshine days in September: 21 days

The month with the most sunshine days is January (28.9 days).
The month with the least sunshine days is July (16.3 days).

Average UV index in September
Changli, 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, November and December (UV index 2).

Average cloud cover in September
Changli, China

  • Average cloud cover in September: 20

The month with the most cloud cover is July (Cloud cover 28).
The month with the least cloud cover is October (Cloud cover 18).

Average visibility in September
Changli, China

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).