September weather forecastMianning, China

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Mianning, China, with temperature in the range of an average high of 17.8°C (64°F) and an average low of 9.1°C (48.4°F).

Temperature

As August makes way for September, Mianning's average high-temperature eases from an agreeable 21.3°C (70.3°F) to a comfortable 17.8°C (64°F). In Mianning, an average temperature of 9.1°C (48.4°F) is noted during September nights.

Humidity

The most humid month in Mianning, China, is September, with an average relative humidity of 87%.

Rainfall

In Mianning, in September, during 27.4 rainfall days, 117mm (4.61") of precipitation is typically accumulated. Throughout the year, there are 223.1 rainfall days, and 1209mm (47.6") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Mianning.

Daylight

In Mianning, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 06:49 and sunset at 19:32. On the last day of September, in Mianning, sunrise is at 07:03 and sunset at 18:58 CST.

Sunshine

The average sunshine in September is 8.1h.

UV index

April through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 4 in September translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

In Mianning, in September, the average high-temperature is 17.8°C (64°F), and the average low-temperature is 9.1°C (48.4°F).

With an average relative humidity of 87%, September is the most humid month in Mianning.

The average relative humidity in September is 87%.

In Mianning, in September, during 27.4 rainfall days, 117mm (4.61") of precipitation is typically accumulated.

In Mianning, snow does not fall in June through September.

In Mianning, China, in September, it doesn't snow. In October, it regularly snows.

In Mianning, China, the average day length in September is 12h and 20min.

On the first day of September in Mianning, China, sunrise is at 06:49 and sunset at 19:32. On the last day of the month, sunrise is at 07:03 and sunset at 18:58 CST.

The average sunshine duration in September is 8.1h.

April through September, with an average maximum UV index of 4, are months with the highest UV index in Mianning, China.

In Mianning, China, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Mianning, China

  • Average high temperature in September: 17.8°C

The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is December (8.6°C).

  • Average low temperature in September: 9.1°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in September
Mianning, China

  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is July (1006.9mbar).

Average wind speed in September
Mianning, China

  • Average wind speed in September: 5.7km/h

The windiest month (with the highest average wind speed) is February (8.4km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).

Average humidity in September
Mianning, China

  • Average humidity in September: 87%

The month with the highest relative humidity is September (87%).
The month with the lowest relative humidity is February (62%).

Average rainfall in September
Mianning, China

  • Average rainfall in September: 117mm

The wettest month (with the highest rainfall) is July (245mm).
The driest month (with the least rainfall) is January (14mm).

Average rainfall days in September
Mianning, China

  • Average rainfall days in September: 27.4 days

The months with the highest number of rainy days are July and August (28.1 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in September
Mianning, China

  • Average snowfall in September: 0mm

The month with the highest snowfall is March (218mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Mianning, China

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is April (Average sunshine: 10h and 0min).
The month with the least sunshine is October (Average sunshine: 5h and 48min).

Average sunshine days in September
Mianning, China

  • Average sunshine days in September: 1.3 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (0.9 days).

Average UV index in September
Mianning, China

  • Average UV index in September: 4

The months with the highest UV index are April, May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in September
Mianning, China

  • Average cloud cover in September: 58

The month with the most cloud cover is September (Cloud cover 58).
The month with the least cloud cover is February (Cloud cover 22).

Average visibility in September
Mianning, China

  • Average visibility in September: 7km

The months with the highest visibility are January, February, March, April and December (9km).
The months with the lowest visibility are June, July, August, September and October (7km).