Yilan City weather in September (Yilan County, Taiwan)

Curious about the September weather in Yilan City? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Yilan City typically experiences high temperatures and heavy rainfall. Daytime temperatures hover around 29°C, while nights can cool down to about 24°C.

Yilan City in September falls under the rainy season with heavy rainfall, averaging around 349 mm for the month. Typically around 17 days of rainfall is expected.

The area enjoys a balanced 146 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Yilan City. March generally stands out with the best circumstances. While May, June, July, August, September, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Yilan City climate page with graphs.

 

Yilan City, monthly averages in September

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 29°C  
Chance of RainChance of Rain 57%  
PrecipitationPrecipitation 349 mm  
Rainy daysRainy days 17 days  
HumidityHumidity 81%  
SunshineSunshine 146 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Taiwan in September

Find out more about the weather in Taiwan in September and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Yilan City in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Yilan City.

Our site offers climate and forecast data for every country in the world. Are you going to Taiwan? On this website you can find historical weather averages for many cities in Taiwan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.