September weather forecast and climate
Wenzhou, China

Weather in September

September, the first month of the autumn, in Wenzhou, is also a moderately hot month, with average temperature ranging between min 21.9°C (71.4°F) and max 28.8°C (83.8°F).

Temperature

In Wenzhou, the average high-temperature slightly decreases, from a hot 31.9°C (89.4°F) in August, to a moderately hot 28.8°C (83.8°F). In September, in Wenzhou, the average low-temperature is 21.9°C (71.4°F).

Heat index

The average heat index in September is estimated at a tropical 34.4°C (93.9°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like clothing, metabolic differences, pregnancy, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity in Wenzhou, China, is 81%.

Rainfall

In Wenzhou, it is raining for 13.4 days, with typically 204.9mm (8.07") of accumulated precipitation. Throughout the year, there are 174.7 rainfall days, and 1742.4mm (68.6") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature in Wenzhou is 26.9°C (80.4°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in Wenzhou is 12.3h.

Sunshine

The average sunshine in Wenzhou is 5.5h.

UV index

The average daily maximum UV index in September is 10. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 10 translate into the following recommendations:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in September in Wenzhou?

In September, in Wenzhou, China, the average high-temperature is 28.8°C (83.8°F), and the average low-temperature is 21.9°C (71.4°F). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 34.4°C (93.9°F).

What is the average humidity in September in Wenzhou?

In September, the average relative humidity is 81%.

How many days does it rain in September in Wenzhou?

In Wenzhou, in September, during 13.4 rainfall days, 204.9mm (8.07") of precipitation is typically accumulated.

What is the sea water temperature in September in Wenzhou?

In Wenzhou, in September, the average water temperature is 26.9°C (80.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

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

The average length of the day in September is 12.3h.

How long on average sun shines in September in Wenzhou?

In Wenzhou, the average sunshine in September is 5.5h.

What is the UV index intensity in September in Wenzhou?

In Wenzhou, China, the average daily maximum UV index in September is 10. A UV Index estimate of 8 to 10 represents a very high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Wenzhou, China

Average temperature in September - Wenzhou, China
  • Average high temperature in September: 28.8°C

The warmest month (with the highest average high temperature) is July (32.2°C).
The month with the lowest average high temperature is January (12.2°C).

  • Average low temperature in September: 21.9°C

Months with the highest average low temperature are July and August (25°C).
The coldest month (with the lowest average low temperature) is January (5°C).

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Average humidity in September
Wenzhou, China

Average humidity in September - Wenzhou, China
  • Average humidity in September: 81%

The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is December (72%).

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Average rainfall in September
Wenzhou, China

Average rainfall in September - Wenzhou, China
  • Average rainfall in September: 204.9mm

The wettest month (with the highest rainfall) is August (250.1mm).
The driest month (with the least rainfall) is December (42.6mm).

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Average rainfall days in September
Wenzhou, China

Average rainfall days in September - Wenzhou, China
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is March (19 days).
The month with the least rainy days is December (8.1 days).

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Average sea temperature in September
Wenzhou, China

Average sea temperature in September - Wenzhou, China
  • Average sea temperature in September: 26.9°C

The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is March (12.3°C).

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

Average daylight in September / Average sunshine in September - Wenzhou, China
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in September: 5.5h

Months with the most sunshine are July and August (Average sunshine: 6.9h).
The month with the least sunshine is March (Average sunshine: 3.1h).

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Average UV index in September
Wenzhou, China

Average UV index in September - Wenzhou, China
  • Average UV index in September: 10

Months with the highest UV index are June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 5).

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