Average data for 10 years
1 September
Sunday
+29°
+23°
2 September
Monday
+29°
+23°
3 September
Tuesday
+28°
+23°
4 September
Wednesday
+28°
+22°
5 September
Thursday
+28°
+23°
6 September
Friday
+28°
+23°
7 September
Saturday
+29°
+23°
8 September
Sunday
+28°
+23°
9 September
Monday
+29°
+24°
10 September
Tuesday
+29°
+23°
11 September
Wednesday
+29°
+23°
12 September
Thursday
+29°
+24°
13 September
Friday
+29°
+25°
14 September
Saturday
+30°
+25°
15 September
Sunday
+30°
+25°
16 September
Monday
+29°
+25°
17 September
Tuesday
+29°
+24°
18 September
Wednesday
+29°
+24°
19 September
Thursday
+29°
+24°
20 September
Friday
+29°
+24°
21 September
Saturday
+29°
+25°
22 September
Sunday
+29°
+25°
23 September
Monday
+30°
+25°
24 September
Tuesday
+30°
+25°
25 September
Wednesday
+29°
+24°
26 September
Thursday
+28°
+24°
27 September
Friday
+29°
+23°
28 September
Saturday
+29°
+25°
29 September
Sunday
+29°
+25°
30 September
Monday
+30°
+25°
September in Formosa is the windiest and the hottest month of the year. In September, the weather in Formosa is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Formosa has 19 sunny, 8 partly cloudy, 2 rainy, and 1 cloudy day in September.