September
Other strong months: May and June
91/100 weather score
China · 1991–2020
Best time to visit
Chongxing
For Chongxing, September has the most comfortable weather in our climate comparison. Typical daytime highs are 23.6°C, nights average 11.4°C, and rainfall totals about 27 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthSeptember
Typical daytime high23.6°C
Typical night-time low11.4°C
September rainfall27 mm
April
Other strong months: September and May
92/100 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.
3 months fit your choices for Chongxing
The lowest comfort score is 5 out of 100. January, February and December share that score. In January, that is mainly because days reach only -0.2°C, 24° below the 24°C the score treats as ideal, and nights drop to -12.3°C.
Quick answers
Planning a trip to Chongxing?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Chongxing?
September is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23.6°C and 27 mm of rain.
What is the hottest month in Chongxing?
July is hottest in this record, with a typical daytime high of 30.5°C and a night-time low of 18.5°C.
Which month has the least rain?
January, February and December have the lowest monthly rainfall total at 1 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 | -0.2°C | -12.3°C | 1 mm | 0.5 | 9 h 47 | 5 | Good coverage |
| February | 5.2°C | -8.2°C | 1 mm | 0.4 | 10 h 43 | 5 | Good coverage |
| March | 12.1°C | -1.2°C | 5 mm | 1.1 | 11 h 50 | 31 | Good coverage |
| April | 19.9°C | 5.6°C | 8 mm | 1.7 | 13 h 08 | 69 | Good coverage |
| May | 24.9°C | 11°C | 23 mm | 3.1 | 14 h 12 | 90 | Good coverage |
| June | 29°C | 16°C | 34 mm | 4 | 14 h 47 | 81 | Good coverage |
| July | 30.5°C | 18.5°C | 43 mm | 4.3 | 14 h 34 | 70 | Good coverage |
| August | 28.4°C | 16.8°C | 48 mm | 5.6 | 13 h 38 | 78 | Good coverage |
| September | 23.6°C | 11.4°C | 27 mm | 4.8 | 12 h 23 | 91 | Good coverage |
| October | 17.4°C | 3.9°C | 9 mm | 1.7 | 11 h 08 | 58 | Good coverage |
| November | 8.4°C | -2.7°C | 4 mm | 1 | 10 h 04 | 17 | Good coverage |
| December | 1.1°C | -9.8°C | 1 mm | 0.3 | 9 h 32 | 5 | Good coverage |
What has changed
Recent daytime highs are
2.9°C warmer in Chongxing.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+2.8
Feb
+3.0
Mar
+4.5
Apr
+2.8
May
+2.8
Jun
+3.2
Jul
+3.5
Aug
+2.9
Sep
+2.7
Oct
+2.4
Nov
+2.3
Dec
+1.7
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 16.7°C7 Jan 1979 | -30.6°C4 Jan 1955 | 80 mm26 Jan 2025 | 205 mm2025 · driest 0 mm in 2001 | 75 |
| February | 20.6°C21 Feb 2021 | -25.4°C4 Feb 1971 | 40 mm14 Feb 2016 | 182 mm2016 · driest 0 mm in 1953 | 75 |
| March | 27.9°C8 Mar 2013 | -19.3°C1 Mar 1951 | 20 mm30 Mar 1956 | 28 mm1990 · driest 0 mm in 2011 | 75 |
| April | 35.1°C30 Apr 1994 | -9.6°C11 Apr 1953 | 33 mm18 Apr 2024 | 48 mm1965 · driest 0 mm in 1995 | 75 |
| May | 36.5°C7 May 1981 | -3.0°C1 May 1991 | 34 mm9 May 1958 | 77 mm2002 · driest 0 mm in 1962 | 75 |
| June | 37.2°C16 Jun 2022 | 3.9°C3 Jun 1961 | 60 mm17 Jun 2007 | 120 mm2007 · driest 0 mm in 2009 | 75 |
| July | 39.3°C8 Jul 1953 | 11.1°C24 Jul 1982 | 113 mm30 Jul 2012 | 149 mm1979 · driest 1 mm in 2021 | 75 |
| August | 37.8°C9 Aug 1951 | 6.8°C31 Aug 1957 | 62 mm22 Aug 2016 | 135 mm1959 · driest 3 mm in 2019 | 75 |
| September | 35.7°C9 Sep 1998 | -3.3°C29 Sep 1970 | 47 mm6 Sep 1955 | 130 mm2024 · driest 1 mm in 1972 | 73 |
| October | 29.0°C2 Oct 2022 | -9.0°C28 Oct 1986 | 24 mm19 Oct 2024 | 52 mm1973 · driest 0 mm in 1993 | 74 |
| November | 24.9°C1 Nov 2023 | -15.8°C30 Nov 1967 | 14 mm5 Nov 2015 | 30 mm2015 · driest 0 mm in 2004 | 74 |
| December | 16.5°C7 Dec 2023 | -29.3°C29 Dec 1954 | 40 mm16 Dec 2015 | 168 mm2015 · driest 0 mm in 2022 | 74 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 30 | 0 |
| February | 0 | 0 | 26 | 0 |
| March | <1 | 0 | 19 | <1 |
| April | 5 | <1 | 4 | <1 |
| May | 17 | 4 | <1 | <1 |
| June | 27 | 12 | 0 | <1 |
| July | 29 | 19 | 0 | 1 |
| August | 27 | 11 | 0 | 1 |
| September | 12 | 1 | 0 | <1 |
| October | 1 | 0 | 5 | <1 |
| November | 0 | 0 | 23 | 0 |
| December | 0 | 0 | 30 | 0 |
The best month has moved. On the 1961–1990 numbers the strongest month here was May (scoring 90); on 2011–2025 it is September (90). Both are scored the same way, from the same station — only the climate underneath changed.
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 2% | <1% | <1% | -4.2–2.4°C |
| February | <1% | 3% | <1% | 1% | 0.1–7.4°C |
| March | 6% | 4% | <1% | 1% | 9.1–14.6°C |
| April | 44% | 7% | 1% | 2% | 16.9–21.5°C |
| May | 80% | 10% | 2% | 5% | 23.0–27.0°C |
| June | 89% | 12% | 2% | 5% | 26.7–30.9°C |
| July | 85% | 16% | 4% | 11% | 28.6–32.0°C |
| August | 82% | 19% | 6% | 12% | 26.3–30.0°C |
| September | 73% | 16% | 3% | 8% | 21.7–25.0°C |
| October | 27% | 9% | <1% | 3% | 15.4–19.4°C |
| November | <1% | 3% | <1% | 1% | 5.1–10.3°C |
| December | 0% | 1% | <1% | 0% | -1.9–2.9°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 1814882
- NOAA station
- CHM00053614 · YINCHUAN
- Station distance
- 49 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 23 usable years
- Daylight
- Calculated from latitude 38.03°, 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 Chongxing 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.
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