September weather forecast
Guyuan, China

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Weather in September

September confirms the arrival of autumn, with a visible drop in temperature from August to September. The shift in seasons is noticeable in the declining sunshine duration and the resurgence of snowfall, notwithstanding insignificant quantities. The month presents an atmosphere shrouded with increased cloud cover. Yet, Guyuan continues to enjoy high visibility through the month, unaffected by the average wind speeds. Despite the seasonal variation, the city maintains a balance between rainfall and sunshine.

Temperature

Guyuan's average high-temperature decreases in September, falling from a warm 23.8°C (74.8°F) in August to an enjoyable 18.5°C (65.3°F). During the nights in September, Guyuan observes an average low-temperature of 10.8°C (51.4°F).

Humidity

With an average relative humidity of 63%, September is the most humid month.

Rainfall

In Guyuan, China, during September, the rain falls for 12.5 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Guyuan, there are 95 rainfall days, and 274mm (10.79") of precipitation is accumulated.

Snowfall

In Guyuan, China, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September, sunrise is at 06:26 and sunset at 19:22. On the last day of the month, sunrise is at 06:49 and sunset at 18:40 CST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Guyuan, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the average September temperature in Guyuan?

In September, in Guyuan, the average high-temperature is 18.5°C (65.3°F), and the average low-temperature is 10.8°C (51.4°F).

What is the most humid month in Guyuan?

The most humid month in Guyuan is September, with an average relative humidity of 63%.

What is the average humidity in September in Guyuan?

The average relative humidity in September in Guyuan, China, is 63%.

How many days does it rain in September in Guyuan?

In Guyuan, China, during September, the rain falls for 12.5 days and regularly aggregates up to 31mm (1.22") of precipitation.

When it does not snow in Guyuan?

In Guyuan, snow does not fall in May through September.

Does it snow in Guyuan in September?

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

How many hours of daylight does Guyuan have in September?

In Guyuan, China, the average day length in September is 12h and 25min.

When are sunrise and sunset in September in Guyuan?

In September, on the first day of the month, sunrise is at 06:26 and sunset at 19:22. On the last day of the month, in Guyuan, China, sunrise is at 06:49 and sunset at 18:40 CST.

How many hours of sunshine does Guyuan have in September?

The average sunshine duration in September in Guyuan, China, is 8.7h.

What is the UV index reading in September in Guyuan?

The average daily maximum UV index in September in Guyuan is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Guyuan, China

Average temperature in September - Guyuan, China
  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-1.8°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-9.8°C).

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Average pressure in September
Guyuan, China

Average pressure in September - Guyuan, China
  • Average pressure in September: 1015mbar

The month with the highest atmospheric pressure is December (1029.1mbar).
The month with the lowest atmospheric pressure is July (1005.2mbar).

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Average wind speed in September
Guyuan, China

Average wind speed in September - Guyuan, China
  • Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is May (14.6km/h).
The calmest month (with the lowest average wind speed) is January (10.7km/h).

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Average humidity in September
Guyuan, China

Average humidity in September - Guyuan, China
  • Average humidity in September: 63%

The month with the highest relative humidity is September (63%).
The month with the lowest relative humidity is April (41%).

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Average rainfall in September
Guyuan, China

Average rainfall in September - Guyuan, China
  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is December (1mm).

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Average rainfall days in September
Guyuan, China

Average rainfall days in September - Guyuan, China
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is August (12.7 days).
The month with the least rainy days is December (1.5 days).

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Average snowfall in September
Guyuan, China

Average snowfall in September - Guyuan, China
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (49mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in September
Guyuan, China

Average snowfall days in September - Guyuan, China
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and March (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Guyuan, China
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).

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Average sunshine days in September
Guyuan, China

Average sunshine days in September - Guyuan, China
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is December (28.4 days).
The month with the least sunshine days is September (15.9 days).

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Average UV index in September
Guyuan, China

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

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Average cloud cover in September
Guyuan, China

Average cloud cover in September - Guyuan, China
  • Average cloud cover in September: 31

The month with the most cloud cover is September (Cloud cover 31).
The month with the least cloud cover is December (Cloud cover 16).

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Average visibility in September
Guyuan, China

Average visibility in September - Guyuan, 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).

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Guyuan, China

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