September weather forecastJian'ou, China

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Jian'ou, China, with an average temperature fluctuating between 19.5°C (67.1°F) and 29.5°C (85.1°F).

Temperature

With the arrival of September, Jian'ou notices a mild change in the average high-temperature, sliding from August's hot 32.5°C (90.5°F) to a warm 29.5°C (85.1°F). During September, Jian'ou sees a mean low-temperature of 19.5°C (67.1°F).

Heat index

In September, the average heat index is computed to be a very hot 36°C (96.8°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Given the heat index, its values are aligned with shaded sites and gentle winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In September, the average relative humidity is 81%.

Rainfall

In Jian'ou, in September, it is raining for 18.2 days, with typically 85mm (3.35") of accumulated precipitation. In Jian'ou, during the entire year, the rain falls for 206 days and collects up to 1106mm (43.54") of precipitation.

Snowfall

In Jian'ou, China, snow does not fall in February through November.

Daylight

In September, the average length of the day in Jian'ou is 12h and 19min.
On the first day of the month, sunrise is at 05:46 and sunset at 18:27. On the last day of September, in Jian'ou, China, sunrise is at 05:58 and sunset at 17:54 CST.

Sunshine

The average sunshine in September is 9.4h.

UV index

In Jian'ou, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

In September, in Jian'ou, the average high-temperature is 29.5°C (85.1°F), and the average low-temperature is 19.5°C (67.1°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is computed to be 36°C (96.8°F).

The average relative humidity in September in Jian'ou, China, is 81%.

In Jian'ou, China, in September, it is raining for 18.2 days, with typically 85mm (3.35") of accumulated precipitation.

In Jian'ou, China, snow does not fall in February through November.

In September, the average day length in Jian'ou, China, is 12h and 19min.

In September, on the first day of the month, sunrise is at 05:46 and sunset at 18:27. On the last day of the month, sunrise is at 05:58 and sunset at 17:54 CST.

In September, the average sunshine duration in Jian'ou, China, is 9.4h.

In September, the average daily maximum UV index in Jian'ou is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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 snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jian'ou, China

  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is August (32.5°C).
The month with the lowest average high temperature is January (13.3°C).

  • Average low temperature in September: 19.5°C

The months with the highest average low temperature are July and August (22.3°C).
The coldest month (with the lowest average low temperature) is January (4.8°C).

Average pressure in September
Jian'ou, China

  • Average pressure in September: 1011.2mbar

The month with the highest atmospheric pressure is January (1024.2mbar).
The months with the lowest atmospheric pressure are July and August (1006.2mbar).

Average wind speed in September
Jian'ou, China

  • Average wind speed in September: 4.3km/h

The windiest months (with the highest average wind speed) are March, April and July (4.7km/h).
The calmest month (with the lowest average wind speed) is November (4.1km/h).

Average humidity in September
Jian'ou, China

  • Average humidity in September: 81%

The month with the highest relative humidity is June (87%).
The months with the lowest relative humidity are October and December (78%).

Average rainfall in September
Jian'ou, China

  • Average rainfall in September: 85mm

The wettest month (with the highest rainfall) is June (194mm).
The driest month (with the least rainfall) is October (33mm).

Average rainfall days in September
Jian'ou, China

  • Average rainfall days in September: 18.2 days

The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is December (9.6 days).

Average snowfall in September
Jian'ou, China

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and December (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Jian'ou, China

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and December (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Jian'ou, China

  • Average daylight in September: 12h and 18min

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

  • Average sunshine in September: 9h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Jian'ou, China

  • Average sunshine days in September: 10.2 days

The month with the most sunshine days is December (20 days).
The month with the least sunshine days is June (5.9 days).

Average UV index in September
Jian'ou, China

  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Jian'ou, China

  • Average cloud cover in September: 46

The month with the most cloud cover is June (Cloud cover 62).
The month with the least cloud cover is October (Cloud cover 40).

Average visibility in September
Jian'ou, China

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, August, September, October and December (8km).
The month with the lowest visibility is June (6km).