Guanshan Weather in September

September in Guanshan averages 27°C (81°F) during the day and 21°C (70°F) at night. September is part of the rainy season, with around 375 mm (15 in) of rainfall and frequent showers.

Rainfall in Guanshan in September

As part of the rainy season, Guanshan sees around 18 days of rain in September, with an average of 375 mm (15 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Guanshan in September

If you're visiting Guanshan in September, expect highs of 27°C (81°F) and overnight lows around 21°C (70°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 21°C (70°F), the nights are warm and generally comfortable.

Sunshine in Guanshan in September

The month experiences a moderate amount of sunlight, with 172 hours of sunshine. This provides a nice balance between sunshine and rain.

September in Guanshan has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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For a detailed overview over the year and the best time to visit Taiwan, check out our Guanshan's climate page.

Guanshan Temperature in September

Min Temperature 21°C (70°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 59%  

Precipitation 375 mm (15 in)  

Rainy days 18 days  

Humidity 77% *  

Sunshine 172 hours *  

Percentage Sunshine *  

* Data from: Taitung City, Taiwan (33 KM, 20 Miles).

What to Wear in Guanshan in September

Warm but pleasant conditions in Guanshan in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Guanshan in September

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Taiwan, check out our Guanshan's climate page.

More climate data for Guanshan

Temperature Rainfall Sunshine Humidity

See the full Guanshan climate overview or explore weather in Taiwan.