September weather forecastBiru, China
September
Weather in September
September, the first month of the autumn in Biru, is also a fresh month, with temperature in the range of an average high of 11.5°C (52.7°F) and an average low of 3°C (37.4°F).Temperature
The transition from August to September sees average high-temperatures adjusting to a cool 11.5°C (52.7°F), from a not significantly different 14.3°C (57.7°F). The average temperature during September nights is registered at a wintry 3°C (37.4°F).Humidity
September is the most humid month in Biru, China, with an average relative humidity of 63%.Rainfall
In Biru, China, in September, during 15.8 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In Biru, during the entire year, the rain falls for 122.3 days and collects up to 599mm (23.58") of precipitation.Snowfall
Months with snowfall in Biru are January through December. In Biru, during September, snow falls for 3.4 days and regularly aggregates up to 83mm (3.27") of snow. In Biru, China, during the entire year, snow falls for 80.9 days and aggregates up to 1196mm (47.09") of snow.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 07:21 and sunset at 20:09. On the last day of the month, sunrise is at 07:38 and sunset at 19:31 CST.
Sunshine
In Biru, the average sunshine in September is 9.8h.UV index
January through May, September through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 2 suggests this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Biru, China
- Average high temperature in September: 11.5°C
The warmest month (with the highest average high temperature) is July (14.7°C).
The month with the lowest average high temperature is January (-8.6°C).
- Average low temperature in September: 3°C
The month with the highest average low temperature is July (5.8°C).
The coldest month (with the lowest average low temperature) is January (-19.5°C).
Average pressure in September
Biru, China
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is November (1020.3mbar).
The month with the lowest atmospheric pressure is July (1006.7mbar).
Average wind speed in September
Biru, China
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in September
Biru, China
- Average humidity in September: 63%
The month with the highest relative humidity is September (63%).
The month with the lowest relative humidity is December (45%).
Average rainfall in September
Biru, China
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is June (134mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days in September
Biru, China
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is June (21.9 days).
The month with the least rainy days is December (1.7 days).
Average snowfall in September
Biru, China
- Average snowfall in September: 83mm
The month with the highest snowfall is May (286mm).
The month with the least snowfall is August (11mm).
Average snowfall days in September
Biru, China
- Average snowfall days in September: 3.4 days
The month with the highest number of snowfall days is May (13.6 days).
The month with the least snowfall days is August (1.6 days).
Average daylight in September /
Average sunshine in September
Biru, China
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Biru, China
- Average sunshine days in September: 6.9 days
The month with the most sunshine days is December (26.3 days).
The month with the least sunshine days is June (2.9 days).
Average UV index in September
Biru, China
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, May, September, October, November and December (UV index 2).
Average cloud cover in September
Biru, China
- Average cloud cover in September: 23
The months with the most cloud cover are June and July (Cloud cover 28).
The month with the least cloud cover is December (Cloud cover 15).
Average visibility in September
Biru, China
- Average visibility in September: 10km
The months with the highest visibility are February, March, June, August, September and December (10km).
The months with the lowest visibility are January, April, May, July, October and November (9km).
