Weather in Changchun for September 2025
So far, September 2025 in Changchun is slightly warmer than the historical average by 1.8 °C.
Expect cooler weather in the next days in Changchun with the forecast suggesting a temperature of 21.4 °C, lower than the historical average.
In general, the average temperature in Changchun at the beginning of September is 23.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.6 °C by the end of September.
Changchun experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 51.7 mm.
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 | 23° /12° | 2.6 mm | 6 | |
| 2 Sept. |  Sunny | 25° /13° | 0 mm | 6 | |
| 3 Sept. | Sunny | 25° /15° | 0 mm | 6 | |
| 4 Sept. | Moderate or heavy rain shower | 25° /17° | 9.2 mm | 6 | |
| 5 Sept. | Moderate rain at times | 24° /15° | 8 mm | 6 | |
| 6 Sept. |  Overcast | 22° /13° | 2.5 mm | 5 | |
| 7 Sept. |  Partly cloudy | 23° /14° | 0 mm | 6 | |
| 8 Sept. | Sunny | 23° /12° | 0 mm | 6 | |
| 9 Sept. |  Patchy rain possible | 23° /12° | 2.8 mm | 6 | |
| 10 Sept. | Overcast | 23° /12° | 0.3 mm | 6 | |
| 11 Sept. | Overcast | 23° /11° | 0 mm | 5 | |
| 12 Sept. | Overcast | 25° /14° | 1.6 mm | 6 | |
| 13 Sept. | Partly cloudy | 22° /14° | 3.2 mm | 6 | |
| 14 Sept. | Moderate rain at times | 19° /10° | 5.8 mm | 5 | |
| 15 Sept. | Sunny | 20° /8° | 0.2 mm | 6 | |
| 16 Sept. | Patchy rain possible | 20° /11° | 4.7 mm | 1.1 | |
| 17 Sept. | Sunny | 19° /7° | 0 mm | 1.2 | |
| 18 Sept. | Sunny | 21° /9° | 0 mm | 1.2 | |
| 19 Sept. | Sunny | 23° /10° | 0 mm | 1.2 | |
| 20 Sept. | Patchy rain possible | 23° /11° | 0.2 mm | 1.1 | |
| 21 Sept. | Sunny | 21° /9° | 0 mm | 4 | |
| 22 Sept. | Sunny | 21° /9° | 0 mm | 4 | |
| 23 Sept. | Overcast | 20° /9° | 0 mm | 3 | |
| 24 Sept. | Patchy rain possible | 19° /14° | 1.4 mm | 4 | |
| 25 Sept. | Patchy rain possible | 23° /15° | 2.8 mm | 4 | |
| 26 Sept. | Sunny | 27° /15° | 0 mm | 6 | |
| 27 Sept. | Patchy rain possible | 19° /16° | 0.1 mm | 4 | |
| 28 Sept. | Sunny | 21° /11° | 0 mm | 4 | |
| 29 Sept. | Partly cloudy | 22° /11° | 0 mm | 5 | |
| 30 Sept. | Patchy rain possible | 20° /9° | 0.6 mm | 5 | |
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Changchun weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Sunny |
| Temperatures | 26°/19° | 20°/10° | 13°/4° |
| Rainfall | 187 mm | 52 mm | 28 mm |
| Wind | 13.9 km/h | 18.8 km/h | 21.3 km/h |
| Humidity | 85% | 73% | 55% |
| Rainy days | 15 days | 7 days | 5 days |
| Dry days | 16 days | 23 days | 26 days |
Planning a trip to Changchun? Discover the best time to visit
Changchun in September - FAQ
What to pack to Changchun in September?
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
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Changchun
UV exposure in Changchun during September
Quick links
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.