September weather forecastNandan, China
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Nandan, China, with an average temperature varying between 27.4°C (81.3°F) and 18.1°C (64.6°F).Temperature
Stepping into September, Nandan records an average high-temperature of a still moderately hot 27.4°C (81.3°F), almost consistent with August. Throughout September, Nandan's nights cool down to an average of 18.1°C (64.6°F).Heat index
The heat index for September is computed to be a tropical 31°C (87.8°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
In September, the average relative humidity is 83%.Rainfall
In Nandan, China, during September, the rain falls for 17.1 days and regularly aggregates up to 65mm (2.56") of precipitation. Throughout the year, in Nandan, there are 189.4 rainfall days, and 712mm (28.03") of precipitation is accumulated.Snowfall
In Nandan, snow does not fall in February through November.Daylight
The average length of the day in September is 12h and 18min.On the first day of the month, sunrise is at 06:30 and sunset at 19:08. On the last day of September, in Nandan, sunrise is at 06:41 and sunset at 18:37 CST.
Sunshine
In Nandan, the average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index in Nandan is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nandan, China
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in September: 18.1°C
The month with the highest average low temperature is July (21°C).
The coldest month (with the lowest average low temperature) is January (5.6°C).
Average pressure in September
Nandan, China
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is June (1004.6mbar).
Average wind speed in September
Nandan, China
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).
Average humidity in September
Nandan, China
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (88%).
The month with the lowest relative humidity is February (70%).
Average rainfall in September
Nandan, China
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is June (151mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in September
Nandan, China
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is December (7.6 days).
Average snowfall in September
Nandan, China
- Average snowfall in September: 0mm
The month with the highest snowfall is December (7mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Nandan, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Nandan, 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: 7h and 12min
The month with the most sunshine is August (Average sunshine: 7h and 30min).
The month with the least sunshine is June (Average sunshine: 5h and 30min).
Average sunshine days in September
Nandan, China
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is July (3.1 days).
Average UV index in September
Nandan, China
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Nandan, China
- Average cloud cover in September: 55
The month with the most cloud cover is June (Cloud cover 68).
The month with the least cloud cover is December (Cloud cover 46).
Average visibility in September
Nandan, China
- Average visibility in September: 7km
The months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is July (6km).
