September weather forecastMentougou, China

September

Weather in September

September, the first month of the autumn in Mentougou, is also a moderately hot month, with an average temperature ranging between max 25.8°C (78.4°F) and min 14.6°C (58.3°F).

Temperature

Mentougou's weather changes with the onset of September, slightly falling from a tropical 31.1°C (88°F) in August to a warm 25.8°C (78.4°F). Mentougou in September anticipates an average nighttime temperature of 14.6°C (58.3°F).

Humidity

In September, the average relative humidity is 57%.

Rainfall

In Mentougou, in September, it is raining for 6.9 days, with typically 30mm (1.18") of accumulated precipitation. In Mentougou, during the entire year, the rain falls for 72.9 days and collects up to 245mm (9.65") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Mentougou is 12h and 28min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:47. On the last day of September, sunrise is at 06:11 and sunset at 17:59 CST.

Sunshine

The average sunshine in September in Mentougou is 10.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

The high-temperature, in September, in Mentougou, is 25.8°C (78.4°F), while the low-temperature averages to 14.6°C (58.3°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 36°C (96.8°F).

In September, the average relative humidity is 57%.

In September, the rain falls for 6.9 days. Throughout September, 30mm (1.18") of precipitation is accumulated.

April through October are months without snowfall.

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

On the first day of September in Mentougou, sunrise is at 05:43 and sunset at 18:47. On the last day of the month, sunrise is at 06:11 and sunset at 17:59 CST.

The average sunshine duration in September in Mentougou is 10.2h.

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mentougou, China

  • Average high temperature in September: 25.8°C

The warmest month (with the highest average high temperature) is July (32.6°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in September: 14.6°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 (-7.3°C).

Average pressure in September
Mentougou, China

  • Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is January (1030mbar).
The month with the lowest atmospheric pressure is July (1004.8mbar).

Average wind speed in September
Mentougou, China

  • Average wind speed in September: 7.1km/h

The windiest month (with the highest average wind speed) is April (10.7km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).

Average humidity in September
Mentougou, China

  • Average humidity in September: 57%

The month with the highest relative humidity is August (64%).
The month with the lowest relative humidity is March (32%).

Average rainfall in September
Mentougou, China

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is July (64mm).
The driest months (with the least rainfall) are January and December (1mm).

Average rainfall days in September
Mentougou, China

  • Average rainfall days in September: 6.9 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is January (0.7 days).

Average snowfall in September
Mentougou, China

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Mentougou, China

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.7 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
Mentougou, China

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 10h and 12min

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

Average sunshine days in September
Mentougou, China

  • Average sunshine days in September: 21.1 days

The month with the most sunshine days is January (29.8 days).
The month with the least sunshine days is July (15 days).

Average UV index in September
Mentougou, 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
Mentougou, China

  • Average cloud cover in September: 22

The month with the most cloud cover is July (Cloud cover 29).
The months with the least cloud cover are January and December (Cloud cover 18).

Average visibility in September
Mentougou, 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).