Average data for 10 years
1 September
Sunday
+14°
+12°
2 September
Monday
+15°
+13°
3 September
Tuesday
+15°
+13°
4 September
Wednesday
+14°
+13°
5 September
Thursday
+15°
+13°
6 September
Friday
+15°
+13°
7 September
Saturday
+15°
+13°
8 September
Sunday
+14°
+12°
9 September
Monday
+14°
+12°
10 September
Tuesday
+14°
+13°
11 September
Wednesday
+15°
+12°
12 September
Thursday
+16°
+12°
13 September
Friday
+15°
+13°
14 September
today
+14°
+12°
15 September
tomorrow
+14°
+11°
16 September
Monday
+14°
+12°
17 September
Tuesday
+13°
+11°
18 September
Wednesday
+13°
+11°
19 September
Thursday
+14°
+12°
20 September
Friday
+13°
+11°
21 September
Saturday
+11°
+10°
22 September
Sunday
+11°
+10°
23 September
Monday
+11°
+10°
24 September
Tuesday
+13°
+11°
25 September
Wednesday
+11°
+11°
26 September
Thursday
+11°
+10°
27 September
Friday
+11°
+10°
28 September
Saturday
+11°
+10°
29 September
Sunday
+12°
+10°
30 September
Monday
+11°
+9°
Cities near you
United States
Wrangell
United States
Juneau
United States
Sitka
Canada
Anahim Lake
United States
Kasaan
Cities with similar weather in September
Finland
Helsinki
Latvia
Riga
Estonia
Tallinn
Sweden
Stockholm
Norway
Oslo
In September, the weather in Ketchikan is typically warm. Average daily high temperature in September is about 13 degrees above zero. On average, Ketchikan has 25 rainy, 4 sunny, and 1 cloudy day in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Ketchikan.