September weather forecastYan'an, China
September
Weather in September
In September, Yan'an transitions from summer to autumn, with temperatures easing back to 23.3°C (73.9°F). The city experiences a moderate climate, making it a favorable time for outdoor activities and tourism. Marked by warmer days and cooler nights, September is a month of balance. As the humidity level starts to decrease, the overall comfort level of the city's weather increases.Temperature
September heralds a minor drop in average high-temperature, sliding from August's moderately hot 28.2°C (82.8°F) to a still warm 23.3°C (73.9°F). Yan'an's average low-temperature in September is measured at a fresh 11.4°C (52.5°F).Humidity
The months with the highest humidity are August and September, with an average relative humidity of 74%.Rainfall
In Yan'an, during September, the rain falls for 10.2 days and regularly aggregates up to 68mm (2.68") of precipitation. Throughout the year, there are 81.6 rainfall days, and 511mm (20.12") of precipitation is accumulated.Daylight
In September, the average length of the day in Yan'an is 12h and 25min.On the first day of September, sunrise is at 06:13 and sunset at 19:10. On the last day of the month, sunrise is at 06:36 and sunset at 18:27 CST.
Sunshine
The average sunshine in September is 6.1h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yan'an, China
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is July (29.7°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is January (-11°C).
Average humidity in September
Yan'an, China
- Average humidity in September: 74%
The months with the highest relative humidity are August and September (74%).
The month with the lowest relative humidity is April (48%).
Average rainfall in September
Yan'an, China
- Average rainfall in September: 68mm
The wettest month (with the highest rainfall) is August (117.5mm).
The driest month (with the least rainfall) is January (3mm).
Average rainfall days in September
Yan'an, China
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is December (2.1 days).
Average daylight in September /
Average sunshine in September
Yan'an, China
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 6h and 6min
The months with the most sunshine are May and June (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
