September weather forecastChaotian, China

September

Weather in September

September, the first month of the autumn in Chaotian, is also an agreeable month, with temperature in the range of an average low of 16.2°C (61.2°F) and an average high of 22.4°C (72.3°F).

Temperature

September's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 28°C (82.4°F) in August to a pleasant 22.4°C (72.3°F). During September, Chaotian observes a consistent average nighttime temperature of 16.2°C (61.2°F).

Humidity

The most humid month in Chaotian is September, with an average relative humidity of 75%.

Rainfall

In Chaotian, in September, during 19.5 rainfall days, 96mm (3.78") of precipitation is typically accumulated. Throughout the year, there are 149.3 rainfall days, and 687mm (27.05") of precipitation is accumulated.

Snowfall

February through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September in Chaotian, sunrise is at 06:31 and sunset at 19:21. On the last day of the month, sunrise is at 06:49 and sunset at 18:42 CST.

Sunshine

In September, the average sunshine is 7.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

The high-temperature, in September, in Chaotian, records 22.4°C (72.3°F), while the low-temperature is 16.2°C (61.2°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 31°C (87.8°F).

The most humid month is September, with an average relative humidity of 75%.

In September, the average relative humidity is 75%.

In Chaotian, during September, the rain falls for 19.5 days and regularly aggregates up to 96mm (3.78") of precipitation.

February through October are months without snowfall.

In Chaotian, the average day length in September is 12h and 23min.

On the first day of September, sunrise is at 06:31 and sunset at 19:21. On the last day of the month, sunrise is at 06:49 and sunset at 18:42 CST.

The average sunshine duration in September is 7.3h.

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Chaotian, China

  • Average high temperature in September: 22.4°C

The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in September: 16.2°C

The months with the highest average low temperature are July and August (20.3°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).

Average pressure in September
Chaotian, China

  • Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is December (1024.7mbar).
The month with the lowest atmospheric pressure is July (1004.3mbar).

Average wind speed in September
Chaotian, China

  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is May (10.1km/h).
The calmest month (with the lowest average wind speed) is December (7.3km/h).

Average humidity in September
Chaotian, China

  • Average humidity in September: 75%

The month with the highest relative humidity is September (75%).
The month with the lowest relative humidity is March (54%).

Average rainfall in September
Chaotian, China

  • Average rainfall in September: 96mm

The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is January (1mm).

Average rainfall days in September
Chaotian, China

  • Average rainfall days in September: 19.5 days

The month with the highest number of rainy days is July (24.9 days).
The month with the least rainy days is January (2.7 days).

Average snowfall in September
Chaotian, China

  • Average snowfall in September: 0mm

The months with the highest snowfall are November and December (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Chaotian, China

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 24min

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: 7h and 18min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).

Average sunshine days in September
Chaotian, China

  • Average sunshine days in September: 8.4 days

The month with the most sunshine days is January (27.4 days).
The month with the least sunshine days is July (4.1 days).

Average UV index in September
Chaotian, China

  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Chaotian, China

  • Average cloud cover in September: 47

The month with the most cloud cover is September (Cloud cover 47).
The month with the least cloud cover is December (Cloud cover 31).

Average visibility in September
Chaotian, 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).