September weather forecastGaoyou, China

September

Weather in September

September, the first month of the autumn in Gaoyou, is still a warm month, with an average temperature fluctuating between 19°C (66.2°F) and 26.6°C (79.9°F).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from a hot 30.8°C (87.4°F) in August to a moderately hot 26.6°C (79.9°F). An average low-temperature of 19°C (66.2°F) is observed during September nights in Gaoyou.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Gaoyou, China, during September, the rain falls for 14.1 days and regularly aggregates up to 53mm (2.09") of precipitation. In Gaoyou, during the entire year, the rain falls for 143.8 days and collects up to 717mm (28.23") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September in Gaoyou, sunrise is at 05:36 and sunset at 18:27. On the last day of the month, sunrise is at 05:55 and sunset at 17:48 CST.

Sunshine

In Gaoyou, the average sunshine in September is 8.3h.

UV index

In Gaoyou, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

In September, in Gaoyou, the average high-temperature is 26.6°C (79.9°F), and the average low-temperature is 19°C (66.2°F). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 42°C (107.6°F).

In September, the average relative humidity is 78%.

In Gaoyou, during September, the rain falls for 14.1 days and regularly aggregates up to 53mm (2.09") of precipitation.

April through October are months without snowfall in Gaoyou, China.

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

On the first day of September in Gaoyou, China, sunrise is at 05:36 and sunset at 18:27. On the last day of the month, sunrise is at 05:55 and sunset at 17:48 CST.

In Gaoyou, the average sunshine duration in September is 8.3h.

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Gaoyou, China

  • Average high temperature in September: 26.6°C

The warmest month (with the highest average high temperature) is July (30.9°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in September: 19°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 (0.6°C).

Average pressure in September
Gaoyou, 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 (1004.4mbar).

Average wind speed in September
Gaoyou, 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
Gaoyou, China

  • Average humidity in September: 78%

The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are January and December (62%).

Average rainfall in September
Gaoyou, China

  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is July (168mm).
The driest months (with the least rainfall) are January and March (28mm).

Average rainfall days in September
Gaoyou, China

  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (22 days).
The month with the least rainy days is December (7 days).

Average snowfall in September
Gaoyou, China

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (43mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Gaoyou, China

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.8 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
Gaoyou, 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: 8h and 18min

The month with the most sunshine is April (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in September
Gaoyou, China

  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is August (7.1 days).

Average UV index in September
Gaoyou, China

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Gaoyou, China

  • Average cloud cover in September: 44

The months with the most cloud cover are July and August (Cloud cover 45).
The months with the least cloud cover are October and December (Cloud cover 32).

Average visibility in September
Gaoyou, China

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, June, October, November and December (10km).
The months with the lowest visibility are July and August (8km).