September weather forecastLongyou, China
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Longyou, China, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 28.8°C (83.8°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 33.1°C (91.6°F) in August to a moderately hot 28.8°C (83.8°F). September nights in Longyou are marked by an average temperature drop to an enjoyable 19.5°C (67.1°F).Heat index
September's mean heat index is estimated at a tropical 34°C (93.2°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in September in Longyou, China, is 80%.Rainfall
In Longyou, in September, during 15.6 rainfall days, 57mm (2.24") of precipitation is typically accumulated. Throughout the year, in Longyou, there are 182.9 rainfall days, and 903mm (35.55") of precipitation is accumulated.Snowfall
In Longyou, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 05:41 and sunset at 18:25. On the last day of September, in Longyou, China, sunrise is at 05:55 and sunset at 17:50 CST.
Sunshine
The average sunshine in September is 8.6h.UV index
In Longyou, 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 ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Longyou, China
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is August (33.1°C).
The month with the lowest average high temperature is January (10.1°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is July (23.8°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in September
Longyou, China
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is January (1026.1mbar).
The month with the lowest atmospheric pressure is July (1005.6mbar).
Average wind speed in September
Longyou, China
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is February (7.1km/h).
The calmest month (with the lowest average wind speed) is June (6.1km/h).
Average humidity in September
Longyou, China
- Average humidity in September: 80%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is December (71%).
Average rainfall in September
Longyou, China
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is June (164mm).
The driest month (with the least rainfall) is October (25mm).
Average rainfall days in September
Longyou, China
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is June (21.3 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in September
Longyou, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Longyou, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Longyou, China
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in September
Longyou, China
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (6.3 days).
Average UV index in September
Longyou, China
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Longyou, China
- Average cloud cover in September: 46
The month with the most cloud cover is June (Cloud cover 54).
The month with the least cloud cover is December (Cloud cover 34).
Average visibility in September
Longyou, China
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
