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Guangzhou in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Guangzhou in September and see if it is worth visiting.
Check flight prices to Guangzhou on Avionero:
September

Weather in Guangzhou in September 2024

OK Weather
Hot
🌧️
Rainy
Guangzhou in September usually sees fair weather conditions, with an average daily high temperature of +90°F and roughly 3 sunny days. However, you should prepare for about 22 rainy days with an average precipitation of 185 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+90°F
Avg. max. temperature
+63°F
Min.
+99°F
Max.
185 mm
Total precipitation
78%
Avg. humidity
1 m/s
Avg. wind
3 ☀️
Sunny Days
5 ⛅️
Cloudy
22 🌦
Rainy
Our opinion: Guangzhou has OK weather in September.

Average temperature in Guangzhou in September

Here are the expected maximum, average and minimum temperatures in Guangzhou for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +90°F with a maximum of +95°F and a minimum of +77°F.

The average maximum temperature goes up 50% by the end of the month, compared with the beginning of the month, from +84°F to +93°F.

Is Guangzhou warm or cold in September?

Guangzhou is typically hot in September.

Maximum temperatures go down compared to the previous month from +91°F to +90°F. The minimum temperature also goes down from +81°F to +77°F.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

September is one of the warmest months in Guangzhou, here is the comparison with other months:

Climate in Guangzhou in September

Guangzhou weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+91°F+90°F+84°F
Min. temperature
+73°F+63°F+54°F
Max. temperature
+100°F+99°F+99°F
Rainfall
283 mm185 mm70 mm
Wind
1 m/s1 m/s2 m/s
Humidity
81%78%71%
Air pressure
1004 HPa1008 HPa1013 HPa
Sunny days
138
Cloudy days
2511
Rainy days
282211
Snowy days
000

September weather is still as ok as in August. It’s getting colder in September. From +91°F in the day, the average maximum temperature lowers to +90°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 283 mm to 185 mm. It feels drier, as humidity decreases from 81% to 78%. The average wind speed doesn’t change much during September, staying around 1 m/s. The good news is there are likely to be more sunny days in September, from 1 to 3.

But maybe it is worth considering traveling in October as the weather gets better.

Wind

Wind speed in Guangzhou in September based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Guangzhou is gradually decreasing during September, going from 6 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Guangzhou based on historical data.
Last Year
Historical Data
Total precipitation in September is about 432 mm, with a 80% chance of rain on a typical day. The maximum amount of rainfall per day is around 88 mm, which is considered heavy rain. September is a pretty wet month with over 24 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Guangzhou wettest month is June, where a typical day has a 93% chance of precipitation and 366 mm of rainfall per day. December, on the other hand, is the driest month with a mere 26% chance of precipitation and 39 mm of rainfall per day.

How was the weather last September in Guangzhou?

This is the weather in Guangzhou in September 2023:
1 September
🌧️
+84°F
2 September
🌧️
+82°F
3 September
☁️
+91°F
4 September
☁️
+94°F
5 September
☁️
+89°F
6 September
☁️
+86°F
7 September
🌧️
+85°F
8 September
🌧️
+80°F
9 September
🌧️
+84°F
10 September
🌧️
+79°F
11 September
🌧️
+83°F
12 September
🌧️
+88°F
13 September
🌧️
+89°F
14 September
🌧️
+82°F
15 September
🌧️
+83°F
16 September
🌧️
+88°F
17 September
☁️
+89°F
18 September
☁️
+92°F
19 September
☁️
+93°F
20 September
☀️
+93°F
21 September
🌧️
+95°F
22 September
🌧️
+91°F
23 September
☁️
+95°F
24 September
☁️
+94°F
25 September
☀️
+93°F
26 September
☁️
+93°F
27 September
🌧️
+93°F
28 September
🌧️
+93°F
29 September
☁️
+94°F
30 September
☀️
+93°F
In September 2023 Guangzhou had 3 sunny days, 11 cloudy days, and 16 rainy days. The average maximum temperature was +90°F, with an absolute maximum of +95°F and a minimum of +79°F. The average humidity was 84%, with a maximum of 100% and a minimum of 58%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Guangzhou climate has changed over the last 43 years.

The climate in Guangzhou in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1984 (+78°F) and the highest in 2020 (+83°F). The driest year was 1991 with only 1439 mm of rainfall, and the wettest year was 2019 with 3629 mm.

FAQ

Frequently asked questions about the weather in Guangzhou in September:

Is September a good time to visit Guangzhou?

It’s always a good time to visit Guangzhou, 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 Guangzhou in September?

Absolutely, September is hot in Guangzhou. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Guangzhou rainy in September?

Guangzhou 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 Guangzhou in September?

Usually, it’s not very sunny in Guangzhou in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in China

Check out the weather for other cities in China.

Monthly weather in Guangzhou

Source of the data

For this page, we’ve looked at the typical weather in Guangzhou, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

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.