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
During Mashan's transition into September, the average high-temperature lessens, moving from a warm 24.3°C (75.7°F) in August to a refreshing 19.1°C (66.4°F). Marked by a significant drop from the daytime highs, Mashan's average low-temperature in September stands at a frosty 6.9°C (44.4°F).Humidity
In September, the average relative humidity is 75%.Rainfall
In Mashan, China, in September, during 12.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 139.1 rainfall days, and 501mm (19.72") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 3mm (0.12") of snow. In Mashan, during the entire year, snow falls for 72.7 days and aggregates up to 524mm (20.63") of snow.Daylight
In Mashan, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 04:40 and sunset at 17:56. On the last day of September, sunrise is at 05:15 and sunset at 17:00 CST.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 3 in September transforms into this advice:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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 does it start to snow?
How many hours of daylight does Mashan have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Mashan have in September?
What is the UV index intensity in September in Mashan?
Average temperature in September
Mashan, China
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-13.9°C).
- Average low temperature in September: 6.9°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-23°C).
Average pressure in September
Mashan, China
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is January (1024.3mbar).
The month with the lowest atmospheric pressure is July (1005.3mbar).
Average wind speed in September
Mashan, China
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is April (13.9km/h).
The calmest month (with the lowest average wind speed) is July (8.1km/h).
Average humidity in September
Mashan, China
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (54%).
Average rainfall in September
Mashan, China
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is August (127mm).
The driest month (with the least rainfall) is January (4mm).
Average rainfall days in September
Mashan, China
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (21.8 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in September
Mashan, China
- Average snowfall in September: 3mm
The month with the highest snowfall is March (134mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Mashan, China
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is March (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Mashan, China
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Mashan, China
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is June (6.6 days).
Average UV index in September
Mashan, China
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Mashan, China
- Average cloud cover in September: 29
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
Mashan, China
- Average visibility in September: 9km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January and February (7km).
