September weather forecastNansha, China

September

Weather in September

September, the first month of the autumn in Nansha, is still a hot month, with an average temperature ranging between max 31.6°C (88.9°F) and min 25.5°C (77.9°F).

Temperature

Transitioning into September, Nansha records an average high-temperature of a still tropical 31.6°C (88.9°F), almost identical to August's 33.3°C (91.9°F). Nansha encounters a steady low-temperature average of 25.5°C (77.9°F) throughout the month of September.

Heat index

The heat index for September is appraised at a blistering 41°C (105.8°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Note that heat index values are valued for light wind and location in the shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. 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.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Nansha, in September, it is raining for 22.2 days, with typically 128mm (5.04") of accumulated precipitation. Throughout the year, there are 218.1 rainfall days, and 1132mm (44.57") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 17min.
On the first day of September, sunrise is at 06:08 and sunset at 18:43. On the last day of the month, sunrise is at 06:17 and sunset at 18:14 CST.

Sunshine

In September, the average sunshine is 8.2h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 7 in September translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. 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. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

The high-temperature, in September, in Nansha, records 31.6°C (88.9°F), while the low-temperature is 25.5°C (77.9°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is appraised at 41°C (105.8°F).

In September, the average relative humidity is 74%.

In Nansha, in September, it is raining for 22.2 days, with typically 128mm (5.04") of accumulated precipitation.

In Nansha, the average day length in September is 12h and 17min.

On the first day of September, sunrise is at 06:08 and sunset at 18:43. On the last day of the month, sunrise is at 06:17 and sunset at 18:14 CST.

In Nansha, the average sunshine duration in September is 8.2h.

May through September, with an average maximum UV index of 7, are months with the highest UV index.

The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Nansha, China

  • Average high temperature in September: 31.6°C

The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in September: 25.5°C

The months with the highest average low temperature are July and August (27.2°C).
The coldest month (with the lowest average low temperature) is January (13.3°C).

Average pressure in September
Nansha, China

  • Average pressure in September: 1008.6mbar

The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1004.8mbar).

Average wind speed in September
Nansha, China

  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is June (11.7km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

Average humidity in September
Nansha, China

  • Average humidity in September: 74%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is December (63%).

Average rainfall in September
Nansha, China

  • Average rainfall in September: 128mm

The wettest month (with the highest rainfall) is June (195mm).
The driest month (with the least rainfall) is December (23mm).

Average rainfall days in September
Nansha, China

  • Average rainfall days in September: 22.2 days

The month with the highest number of rainy days is July (26.4 days).
The month with the least rainy days is December (9.1 days).

Average daylight in September /
Average sunshine in September
Nansha, China

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in September: 8h and 12min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is March (Average sunshine: 4h and 54min).

Average sunshine days in September
Nansha, China

  • Average sunshine days in September: 6.4 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (2.8 days).

Average UV index in September
Nansha, China

  • Average UV index in September: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in September
Nansha, China

  • Average cloud cover in September: 38

The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is October (Cloud cover 36).

Average visibility in September
Nansha, China

  • Average visibility in September: 9km

The months with the highest visibility are October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (9km).