Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September sees a slight reduction in average high-temperature, with a shift from a tropical 31.3°C (88.3°F) in August to a moderately hot 26.6°C (79.9°F). Gu'an records a mean low-temperature of 14.7°C (58.5°F) in September.Humidity
The average relative humidity in September is 57%.Rainfall
In Gu'an, during September, the rain falls for 6 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, there are 59.3 rainfall days, and 208mm (8.19") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 05:43 and sunset at 18:46. On the last day of September, sunrise is at 06:10 and sunset at 17:59 CST.
Sunshine
In Gu'an, the average sunshine in September is 10.2h.UV index
In Gu'an, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Gu'an have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Gu'an have in September?
What is the UV index intensity in September in Gu'an?
Average temperature in September
Gu'an, China
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is July (33.2°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is July (22.3°C).
The coldest month (with the lowest average low temperature) is January (-7.1°C).
Average pressure in September
Gu'an, China
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is January (1029.6mbar).
The month with the lowest atmospheric pressure is July (1004.5mbar).
Average wind speed in September
Gu'an, China
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is April (11.3km/h).
The calmest months (with the lowest average wind speed) are August and December (7.3km/h).
Average humidity in September
Gu'an, China
- Average humidity in September: 57%
The month with the highest relative humidity is August (66%).
The month with the lowest relative humidity is March (32%).
Average rainfall in September
Gu'an, China
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (57mm).
The driest months (with the least rainfall) are January and December (1mm).
Average rainfall days in September
Gu'an, China
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (0.3 days).
Average snowfall in September
Gu'an, China
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gu'an, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gu'an, China
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 1min
The months with the most sunshine are April and June (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in September
Gu'an, China
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is January (30 days).
The month with the least sunshine days is July (16.4 days).
Average UV index in September
Gu'an, China
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Gu'an, China
- Average cloud cover in September: 23
The month with the most cloud cover is July (Cloud cover 28).
The month with the least cloud cover is December (Cloud cover 18).
Average visibility in September
Gu'an, China
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).
