September weather forecast
Zhengzhou, China

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Weather in September

September in Zhengzhou sees a significant drop from the sweltering summer heat, with high temperatures retreating to a more tolerable average of 26.9°C (80.4°F). Reflecting this cooling trend, rainfall also registers a substantial decline from 63mm (2.48") to 41mm (1.61"), signaling the end of the wet season. The city becomes draped in autumnal hues, complemented by shorter daylight durations and gradually decreasing humidity levels. After the intense summer, September ushers in a welcome change with more bearable temperatures and less rainfall. The city's wind speed, though mild, tends to pick up, adding a chill to the autumn breeze.

Temperature

September's arrival in Zhengzhou signals a moderate reduction in the average high-temperature, easing from a tropical 31.7°C (89.1°F) in August to a warm 26.9°C (80.4°F). Zhengzhou witnesses an average low-temperature of 17.6°C (63.7°F) throughout the month of September.

Humidity

In Zhengzhou, the average relative humidity in September is 65%.

Rainfall

In Zhengzhou, China, in September, it is raining for 11 days, with typically 41mm (1.61") of accumulated precipitation. In Zhengzhou, during the entire year, the rain falls for 85 days and collects up to 285mm (11.22") of precipitation.

Snowfall

In Zhengzhou, snow does not fall in May through October.

Daylight

In September, the average length of the day in Zhengzhou, China, is 12h and 24min.
On the first day of the month, sunrise is at 05:58 and sunset at 18:52. On the last day of September, sunrise is at 06:19 and sunset at 18:11 CST.

Sunshine

In Zhengzhou, China, the average sunshine in September is 8.1h.

UV index

In Zhengzhou, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 6 transforms into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What are the temperatures in Zhengzhou in September?

In September, the average high-temperature and low-temperature are 26.9°C (80.4°F) and 17.6°C (63.7°F) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is estimated at 39°C (102.2°F).

What is the average humidity in September in Zhengzhou?

In September, the average relative humidity is 65%.

How much does it rain in Zhengzhou in September?

In Zhengzhou, in September, it is raining for 11 days, with typically 41mm (1.61") of accumulated precipitation.

When it does not snow in Zhengzhou?

May through October are months without snowfall in Zhengzhou.

How many hours of daylight does Zhengzhou have in September?

In Zhengzhou, China, the average day length in September is 12h and 24min.

When is the sunrise / sunset in September in Zhengzhou?

In September, on the first day of the month, sunrise is at 05:58 and sunset at 18:52. On the last day of the month, in Zhengzhou, China, sunrise is at 06:19 and sunset at 18:11 CST.

How long on average sun shines in September in Zhengzhou?

The average sunshine duration in September in Zhengzhou is 8.1h.

What is the UV index reading in September in Zhengzhou?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to 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
Zhengzhou, China

Average temperature in September - Zhengzhou, China
  • Average high temperature in September: 26.9°C

The warmest month (with the highest average high temperature) is July (33.8°C).
The month with the lowest average high temperature is January (6.4°C).

  • Average low temperature in September: 17.6°C

The month with the highest average low temperature is July (23.9°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).

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Average pressure in September
Zhengzhou, China

Average pressure in September - Zhengzhou, China
  • Average pressure in September: 1014.4mbar

The month with the highest atmospheric pressure is January (1028.3mbar).
The month with the lowest atmospheric pressure is July (1003.9mbar).

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Average wind speed in September
Zhengzhou, China

Average wind speed in September - Zhengzhou, China
  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest month (with the lowest average wind speed) is September (8.2km/h).

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Average humidity in September
Zhengzhou, China

Average humidity in September - Zhengzhou, China
  • Average humidity in September: 65%

The month with the highest relative humidity is August (69%).
The month with the lowest relative humidity is December (42%).

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Average rainfall in September
Zhengzhou, China

Average rainfall in September - Zhengzhou, China
  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is August (63mm).
The driest month (with the least rainfall) is December (2mm).

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Average rainfall days in September
Zhengzhou, China

Average rainfall days in September - Zhengzhou, China
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is January (1.3 days).

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Average snowfall in September
Zhengzhou, China

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

The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in September
Zhengzhou, China

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

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

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Average sunshine days in September
Zhengzhou, China

Average sunshine days in September - Zhengzhou, China
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is December (29.1 days).
The month with the least sunshine days is August (14.2 days).

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Average UV index in September
Zhengzhou, China

Average UV index in September - Zhengzhou, China
  • Average UV index in September: 6

The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Zhengzhou, China

Average cloud cover in September - Zhengzhou, China
  • Average cloud cover in September: 35

The month with the most cloud cover is September (Cloud cover 35).
The month with the least cloud cover is December (Cloud cover 18).

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Average visibility in September
Zhengzhou, China

Average visibility in September - Zhengzhou, China
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).

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Zhengzhou, China

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