Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September brings a minor shift in the average high-temperature, adjusting from a tropical 32.3°C (90.1°F) in August to a warm 28.1°C (82.6°F). Hong'an's nighttime temperature in September drops to an average of 18.4°C (65.1°F).Heat index
In September, the heat index is appraised at a tropical 31°C (87.8°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 significant for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Hong'an, the average relative humidity in September is 74%.Rainfall
In Hong'an, in September, during 12.6 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Hong'an, during the entire year, the rain falls for 148.7 days and collects up to 700mm (27.56") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Hong'an, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 05:57 and sunset at 18:45. On the last day of September, sunrise is at 06:14 and sunset at 18:08 CST.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September in Hong'an is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. 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
How hot is September in Hong'an?
What is the average humidity in September in Hong'an?
How many days does it rain in September in Hong'an?
When it does not snow in Hong'an?
How many hours of daylight does Hong'an have in September?
When are sunrise and sunset in September in Hong'an?
How long on average sun shines in September in Hong'an?
What is the UV index reading in September in Hong'an?
Average temperature in September
Hong'an, China
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in September: 18.4°C
The month with the highest average low temperature is July (23.5°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in September
Hong'an, China
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is January (1027.4mbar).
The month with the lowest atmospheric pressure is July (1003.8mbar).
Average wind speed in September
Hong'an, China
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).
Average humidity in September
Hong'an, China
- Average humidity in September: 74%
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is December (59%).
Average rainfall in September
Hong'an, China
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (153mm).
The driest month (with the least rainfall) is December (18mm).
Average rainfall days in September
Hong'an, China
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in September
Hong'an, China
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Hong'an, China
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Hong'an, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Hong'an, China
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Hong'an, China
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Hong'an, China
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is December (Cloud cover 30).
Average visibility in September
Hong'an, China
- Average visibility in September: 9km
The months with the highest visibility are February, March, October, November and December (10km).
The months with the lowest visibility are January, April, May, June, July, August and September (9km).
