Weather in Changchun for September 2026
Until now, September 2026 in Changchun is slightly cooler than the historical average by 1.7 °C.
Expect cooler weather in the next days in Changchun with the forecast suggesting a temperature of 20.4 °C, lower than the historical average.
In general, the average temperature in Changchun at the beginning of September is 23.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.4 °C by the end of September.
The climate of Changchun in September is notably wet, with an average of 13 rainy days, and a total of 47.5 mm of precipitation.
Is September a good time to visit Changchun? check out the best time to travel to Changchun page.
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Changchun Weather September
Temperatures trend during September in Changchun
September weather in Changchun day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate or heavy rain shower | 22° /12° | 1.8 mm | 6 | |
| 2 Sept. |  Sunny | 23° /13° | 0.1 mm | 6 | |
| 3 Sept. | Sunny | 24° /14° | 0 mm | 6 | |
| 4 Sept. | Moderate or heavy rain shower | 24° /16° | 6.1 mm | 6 | |
| 5 Sept. | Moderate rain at times | 24° /15° | 5.3 mm | 4 | |
| 6 Sept. |  Overcast | 23° /14° | 1.7 mm | 5 | |
| 7 Sept. |  Partly cloudy | 22° /13° | 0.4 mm | 4 | |
| 8 Sept. | Sunny | 21° /11° | 0 mm | 5 | |
| 9 Sept. | Sunny | 22° /11° | 1.9 mm | 5 | |
| 10 Sept. | Sunny | 22° /11° | 0.2 mm | 5 | |
| 11 Sept. | Overcast | 24° /12° | 0 mm | 5 | |
| 12 Sept. | Overcast | 25° /14° | 1.1 mm | 4 | |
| 13 Sept. | Partly cloudy | 22° /13° | 2.8 mm | 5 | |
| 14 Sept. | Sunny | 20° /8° | 0 mm | 4.8 | |
| 15 Sept. | Sunny | 23° /13° | 0 mm | 4.3 | |
| 16 Sept. | Overcast | 24° /13° | 0 mm | 4.4 | |
| 17 Sept. | Sunny | 25° /15° | 1.7 mm | 4.3 | |
| 18 Sept. | Sunny | 26° /17° | 0.1 mm | 7 | |
| 19 Sept. | Sunny | 25° /17° | 0 mm | 6 | |
| 20 Sept. | Overcast | 18° /12° | 0 mm | 4 | |
| 21 Sept. | Sunny | 17° /7° | 0 mm | 5 | |
| 22 Sept. | Sunny | 19° /8° | 0 mm | 5 | |
| 23 Sept. | Sunny | 25° /11° | 0.9 mm | 6 | |
| 24 Sept. |  Light rain shower | 23° /10° | 7.2 mm | 6 | |
| 25 Sept. | Overcast | 16° /7° | 0 mm | 5 | |
| 26 Sept. | Light rain shower | 12° /7° | 36.9 mm | 3 | |
| 27 Sept. | Sunny | 13° /6° | 4.1 mm | 4 | |
| 28 Sept. | Sunny | 20° /10° | 1.3 mm | 5 | |
| 29 Sept. | Partly cloudy | 23° /12° | 0 mm | 6 | |
| 30 Sept. | Patchy rain possible | 22° /11° | 1 mm | 5 | |
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Changchun weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Sunny | Sunny |
| Temperatures | 26°/18° | 21°/11° | 13°/4° |
| Rainfall | 147 mm | 47 mm | 18 mm |
| Wind | 15.7 km/h | 19.2 km/h | 20.2 km/h |
| Humidity | 83% | 69% | 50% |
| Rainy days | 22 days | 13 days | 6 days |
| Dry days | 9 days | 17 days | 25 days |
Planning a trip to Changchun? Discover the best time to visit
Changchun in September - FAQ
What are the expected maximum and minimum temperatures in Changchun during September?
How much rainfall should be expected in Changchun during September?
What are the typical wind conditions in Changchun during September?
September rainfall patterns in Changchun
UV exposure in Changchun during September
What to pack to Changchun in September?
Mild & changeable · highs around 21 °C, frequent showers
As you prepare for your trip to Changchun in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Changchun, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Changchun?Get accurate weather forecasts for Changchun, located at latitude 43.88 and longitude 125.323. Stay updated with localized weather information tailored for Changchun.