15.09
tue
tue
Day
88°F
E 9 mph
Precip.
57%
57%
Night
82°F
N 8 mph
Precip.
6%
6%
16.09
wed
wed
Day
91°F
E 6 mph
Precip.
13%
13%
Night
82°F
W 1 mph
Precip.
5%
5%
17.09
thu
thu
Day
91°F
NE 6 mph
Precip.
6%
6%
Night
84°F
SW 2 mph
Precip.
5%
5%
18.09
fri
fri
Day
90°F
E 8 mph
Precip.
14%
14%
Night
84°F
N 7 mph
Precip.
7%
7%
19.09
sat
sat
Day
90°F
NE 7 mph
Precip.
10%
10%
Night
82°F
N 6 mph
Precip.
16%
16%
20.09
sun
sun
Day
88°F
NE 6 mph
Precip.
39%
39%
Night
82°F
N 6 mph
Precip.
36%
36%
21.09
mon
mon
Day
88°F
N 6 mph
Precip.
17%
17%
Night
82°F
N 7 mph
Precip.
14%
14%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 86.4°F and 84.2°F.
Air temperature in Tainan, °F
Precipitation total in Tainan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Tainan
Tainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Tainan
Local time: 02:24
September 15, tuesday
0300
82°F
N
5 mph
5 mph
0600
81°F
NW
4 mph
4 mph
0900
86°F
NW
4 mph
4 mph
1200
88°F
E
9 mph
9 mph
1500
91°F
E
6 mph
6 mph
1800
88°F
E
5 mph
5 mph
2100
86°F
N
6 mph
6 mph
September 16, wednesday
0000
82°F
N
8 mph
8 mph
