Sichuan · China
Chengdu in September
In September, Chengdu averages a daytime high of 26 °C and a night-time low of 19 °C, with about 125 mm of rain over the month. It falls outside Chengdu's most comfortable months, April and October.
- Average high
- 26 °C
- Average low
- 19 °C
- Rain in the month
- 125 mm
- Daylight on 15 Sep
- 12 h 20 min
- Comfortable month
- No
- Places to stay
- 109
When to go
How September compares with the rest of the year in Chengdu
September is tied for the 4th warmest month in Chengdu by average daytime high; across the year the highs run from 10 °C to 30 °C and the lows from 3 °C to 22 °C. By day, September is 5 °C cooler than August, and October is 5 °C cooler than September.
September brings 125 mm of rain, more than the monthly average of 78 mm (932 mm a year); it is the 3rd wettest month.
On 15 September the sun is up for about 12 h 20 min, against 10 h 10 min at the shortest and 14 h 10 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 10 °C | 3 °C | 10 mm | |
| February | 12 °C | 5 °C | 13 mm | |
| March | 17 °C | 9 °C | 26 mm | |
| April | 22 °C | 13 °C | 56 mm | Yes |
| May | 26 °C | 17 °C | 85 mm | |
| June | 28 °C | 21 °C | 121 mm | |
| July | 30 °C | 22 °C | 217 mm | |
| August | 30 °C | 22 °C | 207 mm | |
| September | 26 °C | 19 °C | 125 mm | |
| October | 21 °C | 15 °C | 47 mm | Yes |
| November | 16 °C | 10 °C | 19 mm | |
| December | 11 °C | 5 °C | 7 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is September a good time to visit Chengdu?
Not by the measure used here: about 125 mm of rain is 80 mm or more. The comfortable months in Chengdu are April and October; the nearest are April, before, and October, after.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in China in September
Nationwide public holidays; shops and offices may close on these dates.
Where to stay
Where to stay in Chengdu
This guide lists 109 places to stay in Chengdu, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 6; 1–3 km, 32; 3–10 km, 36; 10 km or more, 35.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.