Changchun in September: Weather, Average temperature and Climate

Changchun is typically mild in September.

Maximum temperatures go down compared to the previous month from +81°F to +72°F. The minimum temperature also goes down from +64°F to +52°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Changchun:

September often has better weather than August. It’s getting colder in September. From +81°F in the day, the average maximum temperature lowers to +72°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 152 mm to 69 mm. It feels drier, as humidity decreases from 80% to 72%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 5 to 9.

October brings much the same weather, it remains good.

The climate in Changchun in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+49°F) and the highest in 2019 (+55°F). The driest year was 2000 with only 404 mm of rainfall, and the wettest year was 1985 with 943 mm.

For this page, we’ve looked at the typical weather in Changchun, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.