September weather forecastChengmenzhen, China
September
Weather in September
The first month of the autumn, September, is still a warm month in Chengmenzhen, China, with an average temperature varying between 21.3°C (70.3°F) and 28.1°C (82.6°F).Temperature
In September, Chengmenzhen's weather conditions record an average high-temperature of a moderately hot 28.1°C (82.6°F), demonstrating little divergence from the preceding month. During the month of September, Chengmenzhen's nighttime temperature lowers to an average of 21.3°C (70.3°F).Heat index
In September, the heat index is appraised at a hot 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In September, the average relative humidity is 84%.Rainfall
In Chengmenzhen, China, during September, the rain falls for 15.2 days and regularly aggregates up to 28mm (1.1") of precipitation. In Chengmenzhen, during the entire year, the rain falls for 166.1 days and collects up to 409mm (16.1") of precipitation.Daylight
In September, the average length of the day is 12h and 19min.On the first day of the month, sunrise is at 05:42 and sunset at 18:22. On the last day of September, sunrise is at 05:54 and sunset at 17:50 CST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chengmenzhen, China
- Average high temperature in September: 28.1°C
The warmest months (with the highest average high temperature) are July and August (30.8°C).
The month with the lowest average high temperature is January (13.7°C).
- Average low temperature in September: 21.3°C
The months with the highest average low temperature are July and August (23.3°C).
The coldest month (with the lowest average low temperature) is January (7.8°C).
Average pressure in September
Chengmenzhen, China
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is January (1023.2mbar).
The month with the lowest atmospheric pressure is August (1006mbar).
Average wind speed in September
Chengmenzhen, China
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is October (9.3km/h).
The calmest month (with the lowest average wind speed) is May (6.7km/h).
Average humidity in September
Chengmenzhen, China
- Average humidity in September: 84%
The month with the highest relative humidity is June (89%).
The months with the lowest relative humidity are April and December (81%).
Average rainfall in September
Chengmenzhen, China
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is December (9mm).
Average rainfall days in September
Chengmenzhen, China
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is December (8.8 days).
Average daylight in September /
Average sunshine in September
Chengmenzhen, China
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).
Average sunshine days in September
Chengmenzhen, China
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is January (17.2 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in September
Chengmenzhen, China
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Chengmenzhen, China
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Chengmenzhen, China
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, October and December (9km).
The months with the lowest visibility are May and June (7km).
