September weather forecastYanweiding, China
September
Weather in September
September, the first month of the autumn in Yanweiding, is still a tropical month, with an average temperature fluctuating between 30.2°C (86.4°F) and 21.7°C (71.1°F).Temperature
Yanweiding signifies an average high-temperature of a still hot 30.2°C (86.4°F) in September, closely mirroring the 32°C (89.6°F) of August. Throughout September, Yanweiding witnesses a nighttime temperature average of 21.7°C (71.1°F).Heat index
September's average heat index is calculated to be a torrid 39°C (102.2°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Consider that heat index readings are for situations in the shade and light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In Yanweiding, the average relative humidity in September is 82%.Rainfall
In September, the rain falls for 20.8 days. Throughout September, 107mm (4.21") of precipitation is accumulated. In Yanweiding, during the entire year, the rain falls for 201.1 days and collects up to 1019mm (40.12") of precipitation.Daylight
In Yanweiding, the average length of the day in September is 12h and 18min.On the first day of the month, sunrise is at 05:50 and sunset at 18:28. On the last day of September, sunrise is at 06:01 and sunset at 17:57 CST.
Sunshine
The average sunshine in September is 9.5h.UV index
In Yanweiding, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yanweiding, China
- Average high temperature in September: 30.2°C
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is January (17.8°C).
- Average low temperature in September: 21.7°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).
Average pressure in September
Yanweiding, China
- Average pressure in September: 1009.6mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is August (1005.7mbar).
Average wind speed in September
Yanweiding, China
- Average wind speed in September: 5.2km/h
The windiest months (with the highest average wind speed) are March and April (5.6km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).
Average humidity in September
Yanweiding, China
- Average humidity in September: 82%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is December (73%).
Average rainfall in September
Yanweiding, China
- Average rainfall in September: 107mm
The wettest month (with the highest rainfall) is June (195mm).
The driest month (with the least rainfall) is December (22mm).
Average rainfall days in September
Yanweiding, China
- Average rainfall days in September: 20.8 days
The month with the highest number of rainy days is June (24.2 days).
The month with the least rainy days is December (8.1 days).
Average daylight in September /
Average sunshine in September
Yanweiding, 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 36min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Yanweiding, China
- Average sunshine days in September: 6.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (4.3 days).
Average UV index in September
Yanweiding, China
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Yanweiding, China
- Average cloud cover in September: 42
The months with the most cloud cover are May and June (Cloud cover 57).
The month with the least cloud cover is December (Cloud cover 34).
Average visibility in September
Yanweiding, China
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, October, November and December (9km).
The month with the lowest visibility is June (7km).
