September weather forecast
Nanchang, China

September in Nanchang brings with it the first whispers of autumn. A noticeable dip in temperatures, along with a decrease in rainfall to 69mm (2.72"), underscores the transition from summer. The days are still pretty long, with a good amount of sunshine, perfect for a walk along the Gan River. The city's green landscapes start to take on an autumnal hue, painting a picture-perfect postcard at every turn.

Temperature

September in Nanchang brings a slight decrease in the average high-temperature, shifting from a hot 33°C (91.4°F) in August to a warm 28.7°C (83.7°F). September brings an average low-temperature of 21.6°C (70.9°F) to Nanchang.

Heat index

September's average heat index is evaluated at a tropical 33°C (91.4°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Nanchang, during September, the rain falls for 7.7 days and regularly aggregates up to 69mm (2.72") of precipitation. In Nanchang, during the entire year, the rain falls for 147.3 days and collects up to 1624mm (63.94") of precipitation.

Daylight

In September, the average length of the day in Nanchang, China, is 12h and 20min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:38. On the last day of September, sunrise is at 06:09 and sunset at 18:03 CST.

Sunshine

In Nanchang, the average sunshine in September is 6.2h.

UV index

In September, the average daily maximum UV index in Nanchang is 10. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 10 in September translates into the following instructions:
Being unprotected puts skin and eyes at risk of rapid damage. Always be safe. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Prevent sunburn and harmful radiation by regularly using sunscreen with a 30 SPF rating or higher.