September weather forecastJiayuguan, China

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Jiayuguan, China, with an average temperature ranging between min 11.7°C (53.1°F) and max 19.4°C (66.9°F).

Temperature

September comes with a decrease in the average high-temperature, falling from a warm 25.5°C (77.9°F) in August to an enjoyable 19.4°C (66.9°F). An average temperature of 11.7°C (53.1°F) marks the nights in Jiayuguan in September.

Humidity

The average relative humidity in September in Jiayuguan is 33%.

Rainfall

In Jiayuguan, in September, it is raining for 5.1 days, with typically 7mm (0.28") of accumulated precipitation. In Jiayuguan, during the entire year, the rain falls for 74.7 days and collects up to 93mm (3.66") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 06:55 and sunset at 19:58. On the last day of September, in Jiayuguan, sunrise is at 07:22 and sunset at 19:11 CST.

Sunshine

In Jiayuguan, the average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Jiayuguan, China, during September are 19.4°C (66.9°F) and 11.7°C (53.1°F) respectively.

In September, the average relative humidity is 33%.

In Jiayuguan, China, in September, during 5.1 rainfall days, 7mm (0.28") of precipitation is typically accumulated.

June through September are months without snowfall in Jiayuguan, China.

In Jiayuguan, China, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Jiayuguan is 12h and 28min.

In September, on the first day of the month, sunrise is at 06:55 and sunset at 19:58. On the last day of the month, sunrise is at 07:22 and sunset at 19:11 CST.

In September, the average sunshine duration in Jiayuguan, China, is 9.6h.

In September, the average daily maximum UV index in Jiayuguan, China, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jiayuguan, China

  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is July (27°C).
The month with the lowest average high temperature is January (-5.2°C).

  • Average low temperature in September: 11.7°C

The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).

Average pressure in September
Jiayuguan, China

  • Average pressure in September: 1015.4mbar

The month with the highest atmospheric pressure is December (1029.9mbar).
The month with the lowest atmospheric pressure is July (1006.6mbar).

Average wind speed in September
Jiayuguan, China

  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is May (13.4km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).

Average humidity in September
Jiayuguan, China

  • Average humidity in September: 33%

The month with the highest relative humidity is January (50%).
The month with the lowest relative humidity is May (26%).

Average rainfall in September
Jiayuguan, China

  • Average rainfall in September: 7mm

The wettest month (with the highest rainfall) is June (20mm).
The driest months (with the least rainfall) are January, February, October and November (2mm).

Average rainfall days in September
Jiayuguan, China

  • Average rainfall days in September: 5.1 days

The month with the highest number of rainy days is June (10.3 days).
The month with the least rainy days is October (2.3 days).

Average snowfall in September
Jiayuguan, China

  • Average snowfall in September: 0mm

The month with the highest snowfall is March (25mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Jiayuguan, China

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Jiayuguan, 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: 9h and 36min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).

Average sunshine days in September
Jiayuguan, China

  • Average sunshine days in September: 21.9 days

The month with the most sunshine days is October (26.9 days).
The month with the least sunshine days is June (14.4 days).

Average UV index in September
Jiayuguan, China

  • Average UV index in September: 4

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

Average cloud cover in September
Jiayuguan, China

  • Average cloud cover in September: 14

The month with the most cloud cover is January (Cloud cover 24).
The month with the least cloud cover is October (Cloud cover 13).

Average visibility in September
Jiayuguan, 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).