Monthly climate guide
Changchun weather in September
With highs near 22°C (72°F) and lows around 10°C (50°F), September feels warm in Changchun. Rainfall averages about 81 mm (some rain) and the sky is a mix of sun and cloud. Daytime highs are 5°C cooler than August and 9°C warmer than October.
What stands out in September
- Just 280 km apart, but Changchun runs about 2°C cooler than Shenyang this month.
- It cools down fast from here: October is about 9°C cooler.
- Rain is above Changchun's usual level, by about 44%.
- September brings early autumn to Changchun.
Avg high
22°C
72°F
Avg low
10°C
50°F
Rainfall
81 mm
some rain
Humidity
72%
relative
Sky
49%
cloud · a mix of sun and cloud
Changchun weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | -11°C / 12°F | -22°C / -8°F | 6 mm | 86% | 42% |
| February | -6°C / 22°F | -18°C / 0°F | 11 mm | 79% | 45% |
| March | 4°C / 39°F | -8°C / 18°F | 15 mm | 67% | 49% |
| April | 14°C / 58°F | 0°C / 32°F | 24 mm | 55% | 53% |
| May | 22°C / 71°F | 8°C / 46°F | 83 mm | 60% | 60% |
| June | 26°C / 79°F | 14°C / 58°F | 113 mm | 69% | 65% |
| July | 29°C / 84°F | 19°C / 66°F | 128 mm | 74% | 64% |
| August | 27°C / 81°F | 17°C / 63°F | 153 mm | 76% | 62% |
| September | 22°C / 72°F | 10°C / 50°F | 81 mm | 72% | 49% |
| October | 13°C / 56°F | 1°C / 33°F | 28 mm | 69% | 42% |
| November | 1°C / 34°F | -9°C / 16°F | 23 mm | 75% | 48% |
| December | -9°C / 16°F | -19°C / -3°F | 9 mm | 85% | 46% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Changchun?
Compare the months in the chart above to find your ideal window.
Best time to visit Changchun →Other China cities in September
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Changchun weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/china/changchun/september
<a href="https://weathercompare.eu/weather/china/changchun/september">Changchun weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/china/changchun" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Changchun weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/china/changchun/september">Changchun weather in September</a> – WeatherCompare</p>
Changchun in September: quick answers
Is September a good time to visit Changchun?
Yes. September is one of the best months for Changchun, with highs around 22°C and about 81 mm of rain.
How warm is Changchun in September?
Average highs are about 22°C (72°F) and average lows about 10°C (50°F), based on 10 years of daily data.
Does it rain a lot in Changchun in September?
Changchun typically gets around 81 mm of rain in September — some rain.
Figures are long-term averages for the area around Changchun (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.