September weather forecastDonglan, China

September

Weather in September

September, the first month of the autumn in Donglan, is also a moderately hot month, with an average temperature ranging between max 27.4°C (81.3°F) and min 18.1°C (64.6°F).

Temperature

The beginning of September records an average high-temperature of a still moderately hot 27.4°C (81.3°F), marking a negligible difference from August's 29.3°C (84.7°F). An average nighttime temperature of 18.1°C (64.6°F) is witnessed in Donglan throughout September.

Heat index

The heat index in September is computed to be a tropical 31°C (87.8°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In Donglan, China, the average relative humidity in September is 83%.

Rainfall

In Donglan, China, in September, during 17.1 rainfall days, 65mm (2.56") of precipitation is typically accumulated. Throughout the year, there are 189.4 rainfall days, and 712mm (28.03") of precipitation is accumulated.

Snowfall

In Donglan, China, snow does not fall in February through November.

Daylight

The average length of the day in September in Donglan is 12h and 18min.
On the first day of the month, sunrise is at 06:31 and sunset at 19:09. On the last day of September, sunrise is at 06:42 and sunset at 18:38 CST.

Sunshine

In Donglan, the average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index in Donglan, China, 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: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

In Donglan, 27.4°C (81.3°F) is the average high-temperature and 18.1°C (64.6°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 31°C (87.8°F).

In September, the average relative humidity is 83%.

In Donglan, during September, the rain falls for 17.1 days and regularly aggregates up to 65mm (2.56") of precipitation.

In Donglan, snow does not fall in February through November.

In September, the average day length in Donglan is 12h and 18min.

In September, on the first day of the month, sunrise is at 06:31 and sunset at 19:09. On the last day of the month, sunrise is at 06:42 and sunset at 18:38 CST.

The average sunshine duration in September in Donglan is 7.2h.

In Donglan, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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 snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Donglan, 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
Donglan, 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
Donglan, 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
Donglan, 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
Donglan, 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
Donglan, 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
Donglan, 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
Donglan, 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
Donglan, China

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).

  • 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
Donglan, 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
Donglan, 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
Donglan, 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
Donglan, 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).