If you plan to visit Hangzhou in September, the weather is typically alright, with an average high temperature of +28°C during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 16 rainy days in the month and around 118 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+28°C
Avg. max. temperature
+11°C
Min.
+39°C
Max.
118 mm
Total precipitation
79%
Avg. humidity
2 m/s
Avg. wind
4 ☀️
Sunny Days
10 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Hangzhou has OK weather in September.
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Average temperature in Hangzhou in September
Here are the expected maximum, average and minimum temperatures in Hangzhou for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +35°C during the day to a minimum of +19°C during the night, the temperature in September averages around +30°C.
The average maximum temperature goes down 19% by the end of the month, compared with the beginning of the month, from +29°C to +26°C.
Is Hangzhou warm or cold in September?
Hangzhou is typically warm in September.
Maximum temperatures go down compared to the previous month from +33°C to +28°C. The minimum temperature also goes down from +25°C to +21°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Hangzhou:
Climate in Hangzhou in September
Hangzhou weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+33°C
+28°C
+23°C
Min. temperature
+17°C
+11°C
+3°C
Max. temperature
+43°C
+39°C
+38°C
Rainfall
142 mm
118 mm
67 mm
Wind
1 m/s
2 m/s
1 m/s
Humidity
77%
79%
76%
Air pressure
1004 HPa
1011 HPa
1018 HPa
Sunny days
3
4
8
Cloudy days
6
10
12
Rainy days
22
16
11
Snowy days
0
0
0
September weather is still as ok as in August.It’s getting colder in September. From +33°C in the day, the average maximum temperature lowers to +28°C.As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 142 mm to 118 mm.Humidity rises from 77% to 79%.Winds are stronger in comparison to August, going up from 1 m/s to 2 m/s on average.The good news is there are likely to be more sunny days in September, from 3 to 4.
October brings much the same weather, it remains ok.
Wind speed in Hangzhou in September based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Hangzhou is gradually increasing during September, going from 3 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Hangzhou based on historical data.
Last Year
Historical Data
Typically, there is a 57% chance of rain on an average day in September, with total rainfall of approximately 177 mm. The maximum amount of rainfall per day is around 51 mm, which is considered heavy rain.September is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Hangzhou wettest month is June, where a typical day has a 67% chance of precipitation and 302 mm of rainfall per day. December, on the other hand, is the driest month with a mere 26% chance of precipitation and 46 mm of rainfall per day.
How was the weather last September in Hangzhou?
This is the weather in Hangzhou in September 2024:
1 September
☁️
+29°C
2 September
☁️
+30°C
3 September
☁️
+29°C
4 September
☁️
+32°C
5 September
🌧️
+29°C
6 September
☁️
+32°C
7 September
☀️
+32°C
8 September
☀️
+32°C
9 September
☀️
+32°C
10 September
☀️
+32°C
11 September
☁️
+33°C
12 September
☁️
+32°C
13 September
☁️
+30°C
14 September
🌧️
+25°C
15 September
🌧️
+27°C
16 September
☀️
+29°C
17 September
☀️
+32°C
18 September
☀️
+34°C
19 September
☁️
+35°C
20 September
🌧️
+31°C
21 September
🌧️
+24°C
22 September
🌧️
+22°C
23 September
☁️
+22°C
24 September
☁️
+30°C
25 September
☁️
+30°C
26 September
☁️
+30°C
27 September
☁️
+31°C
28 September
☁️
+32°C
29 September
🌧️
+32°C
30 September
☁️
+26°C
In September 2024 Hangzhou had 7 sunny days, 16 cloudy days, and 7 rainy days. The average maximum temperature was +30°C, with an absolute maximum of +35°C and a minimum of +22°C. The average humidity was 83%, with a maximum of 99% and a minimum of 49%. The average wind speed was 2 m/s, with a maximum of 5 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change over Years
This is how Hangzhou climate have been changing during last 43 years period.
The climate in Hangzhou in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+19°C) and the highest in 2012 (+24°C). The driest year was 2003 with only 914 mm of rainfall, and the wettest year was 1983 with 2005 mm.
FAQ
Frequently asked questions about the weather in Hangzhou in September:
Is September a good time to visit Hangzhou?
It’s always a good time to visit Hangzhou, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Hangzhou in September?
September is warm in Hangzhou. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Hangzhou rainy in September?
Hangzhou is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Hangzhou in September?
Usually, it’s not very sunny in Hangzhou in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Hangzhou, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
