September weather forecast
Guiyang, China

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Weather in September

September in Guiyang is characterized by a unique blend of climatic elements as it transitions from the summer monsoon to the autumnal season. A correlative drop in both temperature and rainfall sets the stage for the approaching fall. With the receding rains and shorter sunny days, the city starts preparing for the autumn season. The anticipation for the fall season colors and a resurgent cool breeze transform the public spaces. Guiyang in September exhibits a harmonious coexistence of the departing summer and the incoming autumn.

Temperature

Guiyang's September weather shows a modest shift in high-temperatures, falling from August's warm 26.9°C (80.4°F) to a still moderately hot 23.5°C (74.3°F). In September, Guiyang reports a consistent average low-temperature of 15.6°C (60.1°F) during the nights.

Humidity

In Guiyang, China, the average relative humidity in September is 85%.

Rainfall

In September, in Guiyang, China, the rain falls for 13.7 days. Throughout September, 46mm (1.81") of precipitation is accumulated. In Guiyang, China, during the entire year, the rain falls for 200.8 days and collects up to 782mm (30.79") of precipitation.

Snowfall

In Guiyang, China, snow does not fall in April through October.

Daylight

In Guiyang, the average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 06:33 and sunset at 19:13. On the last day of the month, sunrise is at 06:45 and sunset at 18:41 CST.

Sunshine

The average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index in Guiyang is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are September temperatures in Guiyang?

The average high-temperature, in September, in Guiyang, is 23.5°C (74.3°F), while the average low-temperature is 15.6°C (60.1°F).

What is the average humidity in September in Guiyang?

The average relative humidity in September in Guiyang is 85%.

How much does it rain in Guiyang in September?

In Guiyang, China, in September, it is raining for 13.7 days, with typically 46mm (1.81") of accumulated precipitation.

When it does not snow in Guiyang?

In Guiyang, China, snow does not fall in April through October.

What is the average length of the day in September in Guiyang?

In Guiyang, the average day length in September is 12h and 19min.

What time are sunrise and sunset in September in Guiyang?

In September, on the first day of the month, sunrise is at 06:33 and sunset at 19:13. On the last day of the month, in Guiyang, sunrise is at 06:45 and sunset at 18:41 CST.

How long on average sun shines in September in Guiyang?

In September, the average sunshine duration in Guiyang is 7.2h.

What is the UV index intensity in September in Guiyang?

In September, the average daily maximum UV index in Guiyang, China, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Guiyang, China

Average temperature in September - Guiyang, China
  • Average high temperature in September: 23.5°C

The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in September: 15.6°C

The month with the highest average low temperature is July (18.7°C).
The coldest month (with the lowest average low temperature) is January (2°C).

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Average pressure in September
Guiyang, China

Average pressure in September - Guiyang, China
  • Average pressure in September: 1012.4mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is July (1005.3mbar).

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Average wind speed in September
Guiyang, China

Average wind speed in September - Guiyang, China
  • Average wind speed in September: 7.5km/h

The windiest months (with the highest average wind speed) are February and March (9km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).

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Average humidity in September
Guiyang, China

Average humidity in September - Guiyang, China
  • Average humidity in September: 85%

The month with the highest relative humidity is June (87%).
The months with the lowest relative humidity are February and March (72%).

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Average rainfall in September
Guiyang, China

Average rainfall in September - Guiyang, China
  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is June (160mm).
The driest month (with the least rainfall) is February (22mm).

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Average rainfall days in September
Guiyang, China

Average rainfall days in September - Guiyang, China
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (12.3 days).

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Average snowfall in September
Guiyang, China

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

The month with the highest snowfall is January (39mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Guiyang, China

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

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is March (Average sunshine: 8h and 0min).
The month with the least sunshine is October (Average sunshine: 6h and 6min).

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Average sunshine days in September
Guiyang, China

Average sunshine days in September - Guiyang, China
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is April (7.4 days).

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Average UV index in September
Guiyang, China

Average UV index in September - Guiyang, China
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Guiyang, China

Average cloud cover in September - Guiyang, China
  • Average cloud cover in September: 59

The month with the most cloud cover is June (Cloud cover 64).
The month with the least cloud cover is March (Cloud cover 46).

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Average visibility in September
Guiyang, China

Average visibility in September - Guiyang, China
  • Average visibility in September: 7km

The months with the highest visibility are February and March (9km).
The months with the lowest visibility are June, July, August, September and October (7km).

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Guiyang, China

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