September weather forecastYa'an, China
September
Weather in September
September brings respite from the summer heat as temperatures start to drop to the range of 18.5°C (65.3°F) to 24.9°C (76.8°F). The warmth of summer starts to give way to the coolness of autumn in Ya'an, China. Rainfall drops significantly compared to the month of August. The daylight hours decrease further, making days shorter. A pleasant change is observed in the weather.Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a warm 29.6°C (85.3°F) in August to a still moderately hot 24.9°C (76.8°F). Ya'an registers a consistent average low-temperature of 18.5°C (65.3°F) during September.Rainfall
In September, in Ya'an, the rain falls for 20.8 days. Throughout September, 207mm (8.15") of precipitation is accumulated. In Ya'an, during the entire year, the rain falls for 213.2 days and collects up to 1693mm (66.65") of precipitation.Daylight
In Ya'an, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 06:45 and sunset at 19:30. On the last day of the month, sunrise is at 07:00 and sunset at 18:54 CST.
Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In September, the average high-temperature and low-temperature in Ya'an are 24.9°C (76.8°F) and 18.5°C (65.3°F) respectively.
In Ya'an, China, during September, the rain falls for 20.8 days and regularly aggregates up to 207mm (8.15") of precipitation.
In Ya'an, China, the average day length in September is 12h and 21min.
In September, on the first day of the month, sunrise is at 06:45 and sunset at 19:30. On the last day of the month, sunrise is at 07:00 and sunset at 18:54 CST.
Average temperature in September
Ya'an, China
- Average high temperature in September: 24.9°C
The warmest months (with the highest average high temperature) are July and August (29.6°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average rainfall in September
Ya'an, China
- Average rainfall in September: 206.6mm
The wettest month (with the highest rainfall) is August (433.6mm).
The driest month (with the least rainfall) is January (20.8mm).
Average rainfall days in September
Ya'an, China
- Average rainfall days in September: 20.8 days
The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is December (12.6 days).
Average daylight in September
Ya'an, China
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).





