Weather in September 2025

Alishan weather in September 2025

The weather in Alishan in September is hot. The average temperatures are between 22°C and 29°C.

You can expect rain for roughly half of the month of September in Alishan. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.

Our weather forecast can give you a great sense of what weather to expect in Alishan in September 2025.

If you’re planning to visit Alishan in the near future, we highly recommend that you review the 14 day weather forecast for Alishan before you arrive.

Temperatures
Temperatures
29° / 22°
Rainy Days
Rainy Days
13
Snowy Days
Snowy Days
0
Dry Days
Dry Days
17
Rainfall
Rainfall
96
mm
2.2
Sun Hours
2.2
Hrs

Alishan annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 20° / 13° 4 27 0 19 mm
Good
February 21° / 14° 4 24 0 19 mm
Good
March 24° / 16° 7 24 0 34 mm
Perfect
April 27° / 18° 8 22 0 49 mm
Perfect
May 29° / 20° 16 15 0 112 mm
Ok
June 30° / 22° 17 13 0 146 mm
Ok
July 30° / 22° 18 13 0 137 mm
Ok
August 30° / 22° 19 12 0 197 mm
Ok
September 29° / 22° 13 17 0 96 mm
Ok
October 27° / 21° 7 24 0 56 mm
Good
November 25° / 18° 5 25 0 26 mm
Perfect
December 21° / 14° 5 26 0 23 mm
Good
Temperatures in Alishan in September
Rain in Alishan in September

Weather in Alishan in September - FAQ

What is the average temperature in Alishan in September?
The average temperature in Alishan in September is 22/29° C.
What is the chance of rain in Alishan in September?
On average, there are 13 rainy days in Alishan during September.
Weather wise, is September a good time to visit Alishan?
The weather in Alishan in September is ok.
Can it snow in Alishan in September?
On average, there are 0 snowy days in Alishan in September.
More about the weather in Alishan