Weather in Xiamen in September 2025
Average weather
Average temperature in Xiamen in September
The expected average maximum temperature in September is +88°F with a maximum of +91°F and a minimum of +77°F.
The average maximum temperature goes up 63% by the end of the month, compared with the beginning of the month, from +82°F to +91°F.
Is Xiamen warm or cold in September?
Xiamen is typically warm in September.
Maximum temperatures go down compared to the previous month from +88°F to +86°F. The minimum temperature also goes down from +81°F to +79°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Xiamen, here is the comparison with other months:
Climate in Xiamen in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +88°F | +86°F | +81°F | ||||
| Min. temperature | ||||||
| +73°F | +63°F | +57°F | ||||
| Max. temperature | ||||||
| +100°F | +95°F | +95°F | ||||
| Rainfall | ||||||
| 233 mm | 140 mm | 36 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 80% | 76% | 68% | ||||
| Air pressure | ||||||
| 1004 HPa | 1009 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 2 | 5 | 12 | ||||
| Cloudy days | ||||||
| 3 | 7 | 12 | ||||
| Rainy days | ||||||
| 24 | 18 | 7 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +88°F in the day, the average maximum temperature lowers to +86°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 233 mm to 140 mm. It feels drier, as humidity decreases from 80% to 76%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 2 to 5.
But maybe it is worth considering traveling in October as the weather gets better.
Wind
The average wind speed is 3 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 Xiamen is gradually decreasing during September, going from 5 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Xiamen?
Climate Change Over the Years
The climate in Xiamen in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+74°F) and the highest in 2021 (+79°F). The driest year was 2021 with only 973 mm of rainfall, and the wettest year was 2006 with 2117 mm.
FAQ
Is September a good time to visit Xiamen?
Can you sunbathe in Xiamen in September?
Is Xiamen rainy in September?
Is it sunny in Xiamen in September?
Other cities in China
Monthly weather in Xiamen
Source of the data
For this page, we’ve looked at the typical weather in Xiamen, 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.
