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 sea temperature 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 in Nantong brings a slight decrease in the average high-temperature, shifting from a hot 31.2°C (88.2°F) in August to a moderately hot 26.6°C (79.9°F). Nantong experiences an average low-temperature of 19.8°C (67.6°F) in the month of September.Humidity
In Nantong, China, the average relative humidity in September is 81%.Rainfall
In September, in Nantong, the rain falls for 13.9 days. Throughout September, 44mm (1.73") of precipitation is accumulated. Throughout the year, in Nantong, China, there are 134.2 rainfall days, and 416mm (16.38") of precipitation is accumulated.Snowfall
In Nantong, snow does not fall in April through November.Sea temperature
In September, the average sea temperature is 24.8°C (76.6°F).Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 24.8°C (76.6°F) waters. Olympic standards, for reference, are set between 25°C (77°F) and 28°C (82.4°F).
Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 05:31 and sunset at 18:20. On the last day of September, sunrise is at 05:49 and sunset at 17:42 CST.
Sunshine
In September, the average sunshine is 7.9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice! The Sun's UV exposure elevates with sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Nantong?
What is the average humidity in September in Nantong?
How many days does it rain in September in Nantong?
When it does not snow in Nantong?
How warm is the water in September in Nantong?
How many hours of daylight does Nantong have in September?
When is the sunrise / sunset in September in Nantong?
How many hours of sunshine does Nantong have in September?
What is the UV index intensity in September in Nantong?
Average temperature in September
Nantong, China
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in September: 19.8°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in September
Nantong, China
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is January (1027.5mbar).
The month with the lowest atmospheric pressure is July (1004.8mbar).
Average wind speed in September
Nantong, China
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is February (13.4km/h).
The calmest month (with the lowest average wind speed) is September (11.1km/h).
Average humidity in September
Nantong, China
- Average humidity in September: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is December (64%).
Average rainfall in September
Nantong, China
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is July (84mm).
The driest month (with the least rainfall) is January (14mm).
Average rainfall days in September
Nantong, China
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Nantong, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Nantong, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Nantong, China
- Average sea temperature in September: 24.8°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest month (with the lowest average sea temperature) is February (5.4°C).
Average daylight in September /
Average sunshine in September
Nantong, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Nantong, China
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Nantong, China
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Nantong, China
- Average cloud cover in September: 45
The months with the most cloud cover are February and June (Cloud cover 47).
The month with the least cloud cover is December (Cloud cover 35).
Average visibility in September
Nantong, China
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
