September
Other strong months: May and June
79/100 weather score
China · 1991–2020
Best time to visit
Changchun
For Changchun, September has the most comfortable weather in our climate comparison. Typical daytime highs are 22.2°C, nights average 11.2°C, and rainfall totals about 66 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthSeptember
Typical daytime high22.2°C
Typical night-time low11.2°C
September rainfall66 mm
May
Other strong months: September and April
81/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
2 months fit your choices for Changchun
The lowest comfort score is 5 out of 100. January, February, March, November and December share that score. In January, that is mainly because days reach only -9.4°C, 33° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Changchun?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Changchun?
September is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 22.2°C and 66 mm of rain.
What is the hottest month in Changchun?
July is hottest in this record, with a typical daytime high of 27.9°C and a night-time low of 19.5°C.
Which month has the least rain?
January has the lowest monthly rainfall total at 5 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | -9.4°C | -18.8°C | 5 mm | 1.5 | 9 h 14 | 5 | Good coverage |
| February | -3.9°C | -14.3°C | 7 mm | 1.7 | 10 h 24 | 5 | Good coverage |
| March | 4°C | -6.5°C | 40 mm | 3.9 | 11 h 47 | 5 | Strong coverage |
| April | 14.5°C | 2.6°C | 25 mm | 4.5 | 13 h 22 | 45 | Good coverage |
| May | 21.8°C | 10.3°C | 70 mm | 8.9 | 14 h 43 | 74 | Good coverage |
| June | 26.7°C | 16.2°C | 120 mm | 11.8 | 15 h 27 | 69 | Good coverage |
| July | 27.9°C | 19.5°C | 173 mm | 12.6 | 15 h 09 | 51 | Good coverage |
| August | 27°C | 18.1°C | 156 mm | 11.2 | 14 h | 60 | Good coverage |
| September | 22.2°C | 11.2°C | 66 mm | 6.7 | 12 h 27 | 79 | Good coverage |
| October | 13.6°C | 2.6°C | 27 mm | 4.4 | 10 h 55 | 42 | Good coverage |
| November | 2.1°C | -7.3°C | 29 mm | 4.7 | 9 h 35 | 5 | Good coverage |
| December | -7.3°C | -16.1°C | 59 mm | 4.2 | 8 h 55 | 5 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 5.6°C21 Jan 1967 | -36.5°C4 Jan 1970 | 8 mm12 Jan 1964 | 16 mm2000 · driest 0 mm in 1962 | 71 |
| February | 14.5°C27 Feb 1992 | -31.9°C4 Feb 1952 | 30 mm14 Feb 2020 | 34 mm2020 · driest 0 mm in 1994 | 71 |
| March | 21.2°C31 Mar 2002 | -28.0°C12 Mar 1957 | 90 mm11 Mar 2018 | 351 mm2018 · driest 0 mm in 1963 | 72 |
| April | 29.5°C29 Apr 2007 | -15.9°C3 Apr 1962 | 39 mm25 Apr 2012 | 87 mm2025 · driest 1 mm in 2001 | 70 |
| May | 35.2°C28 May 1979 | -3.1°C1 May 1972 | 59 mm5 May 2010 | 162 mm2010 · driest 5 mm in 1964 | 73 |
| June | 36.7°C4 Jun 2001 | 4.5°C5 Jun 1992 | 84 mm2 Jun 2021 | 206 mm2013 · driest 4 mm in 2007 | 75 |
| July | 38.0°C9 Jul 1951 | 10.6°C24 Jul 2006 | 130 mm31 Jul 1976 | 444 mm1986 · driest 43 mm in 1972 | 73 |
| August | 35.6°C3 Aug 1968 | 3.9°C30 Aug 2017 | 122 mm21 Aug 1997 | 350 mm1985 · driest 24 mm in 1991 | 74 |
| September | 31.5°C8 Sep 2023 | -2.4°C26 Sep 1969 | 101 mm3 Sep 2020 | 258 mm2020 · driest 8 mm in 2010 | 69 |
| October | 28.2°C1 Oct 2022 | -13.4°C29 Oct 1976 | 45 mm10 Oct 1971 | 104 mm1972 · driest 0 mm in 2023 | 70 |
| November | 20.7°C2 Nov 1971 | -24.8°C25 Nov 1954 | 40 mm22 Nov 2016 | 102 mm2016 · driest 0 mm in 1995 | 71 |
| December | 11.7°C3 Dec 1989 | -33.2°C16 Dec 1965 | 90 mm8 Dec 2015 | 450 mm2016 · driest 0 mm in 2020 | 72 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 27 | 0 |
| February | 0 | 0 | 25 | <1 |
| March | 0 | 0 | 26 | <1 |
| April | 1 | 0 | 9 | <1 |
| May | 8 | 1 | 0 | 2 |
| June | 20 | 6 | 0 | 3 |
| July | 26 | 6 | 0 | 5 |
| August | 24 | 3 | 0 | 4 |
| September | 7 | <1 | 0 | 1 |
| October | <1 | 0 | 9 | <1 |
| November | 0 | 0 | 25 | <1 |
| December | 0 | 0 | 28 | 0 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 5% | 0% | <1% | -12.8–-6.5°C |
| February | 0% | 7% | <1% | 1% | -9.0–-1.4°C |
| March | <1% | 11% | 1% | 5% | 0.6–7.1°C |
| April | 16% | 15% | 2% | 10% | 12.0–16.9°C |
| May | 55% | 24% | 5% | 25% | 20.1–24.0°C |
| June | 65% | 35% | 11% | 41% | 24.4–28.7°C |
| July | 61% | 41% | 18% | 53% | 26.4–29.7°C |
| August | 68% | 33% | 14% | 36% | 25.3–28.2°C |
| September | 58% | 23% | 7% | 17% | 20.3–23.4°C |
| October | 12% | 15% | 3% | 8% | 11.4–15.6°C |
| November | <1% | 12% | 1% | 7% | -1.1–4.7°C |
| December | 0% | 7% | 1% | 1% | -10.3–-4.2°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 2038180
- NOAA station
- CHM00054161 · CHANGCHUN
- Station distance
- 8.8 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 22 usable years
- Daylight
- Calculated from latitude 43.88°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Changchun is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work