Average data for 10 years
1 September
Sunday
+25°
+25°
2 September
Monday
+25°
+24°
3 September
Tuesday
+24°
+24°
4 September
Wednesday
+24°
+24°
5 September
Thursday
+24°
+24°
6 September
Friday
+24°
+24°
7 September
Saturday
+25°
+24°
8 September
Sunday
+25°
+24°
9 September
Monday
+24°
+24°
10 September
Tuesday
+24°
+24°
11 September
Wednesday
+24°
+24°
12 September
Thursday
+25°
+24°
13 September
Friday
+24°
+24°
14 September
Saturday
+25°
+24°
15 September
Sunday
+25°
+24°
16 September
Monday
+25°
+24°
17 September
Tuesday
+25°
+24°
18 September
Wednesday
+25°
+24°
19 September
Thursday
+25°
+24°
20 September
Friday
+25°
+24°
21 September
Saturday
+25°
+24°
22 September
Sunday
+24°
+24°
23 September
Monday
+25°
+24°
24 September
Tuesday
+25°
+24°
25 September
Wednesday
+24°
+24°
26 September
Thursday
+25°
+24°
27 September
Friday
+25°
+24°
28 September
Saturday
+25°
+24°
29 September
Sunday
+25°
+24°
30 September
Monday
+25°
+24°
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In September, the weather in Kailua-Kona is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, Kailua-Kona has 18 partly cloudy, 5 cloudy, 4 rainy, and 3 sunny days in September. The rains are usually light.