Zhejiang · China
Hangzhou in September
In September, Hangzhou averages a daytime high of 28 °C and a night-time low of 21 °C, with about 133 mm of rain over the month. It falls outside Hangzhou's most comfortable months, October.
- Average high
- 28 °C
- Average low
- 21 °C
- Rain in the month
- 133 mm
- Daylight on 15 Sep
- 12 h 20 min
- Comfortable month
- No
- Places to stay
- 108
When to go
How September compares with the rest of the year in Hangzhou
September is the 4th warmest month in Hangzhou by average daytime high; across the year the highs run from 8 °C to 34 °C and the lows from 2 °C to 26 °C. By day, September is 4 °C cooler than August, and October is 5 °C cooler than September.
September brings 133 mm of rain, more than the monthly average of 119 mm (1424 mm a year); it is the 5th 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 | 8 °C | 2 °C | 83 mm | |
| February | 11 °C | 4 °C | 85 mm | |
| March | 15 °C | 7 °C | 129 mm | |
| April | 22 °C | 13 °C | 113 mm | |
| May | 26 °C | 18 °C | 134 mm | |
| June | 29 °C | 22 °C | 224 mm | |
| July | 34 °C | 26 °C | 148 mm | |
| August | 32 °C | 25 °C | 182 mm | |
| September | 28 °C | 21 °C | 133 mm | |
| October | 23 °C | 15 °C | 68 mm | Yes |
| November | 17 °C | 9 °C | 67 mm | |
| December | 11 °C | 4 °C | 61 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 Hangzhou?
Not by the measure used here: about 133 mm of rain is 80 mm or more. The comfortable months in Hangzhou are October; the nearest is October.
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 Hangzhou
This guide lists 108 places to stay in Hangzhou, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 3; 1–3 km, 15; 3–10 km, 65; 10 km or more, 25.
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.