Ketchikan Weather: September
 |
Average Day Temperature: | 56.3°F |
|
Average Night Temperature: | 53.3°F |
|
Sea Water Temperature: | 56.6°F |
|
Number of Sunny Days: | 5 days |
| Sunshine Hours: | 11.6 - 13.8 hours | |
|
Number of Rainy Days: | 7 days |
| Precipitation Totals: | 3.5 in | |
| detailed information | ||
14 day weather
forecast
forecast
| Ketchikan |
Sea Water
Temperature
Temperature
| Ketchikan |
Air Temperature in September, °F
The highest day temperature in September 2025 was 74°F. The lowest night temperature was 49°F. The average values for day and night temperatures during September were 58.1°F и 53.9°F respectivly.
Ketchikan Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Ketchikan was 57.8°F. The maximum and minimum values were 53.2°F and 64.6°F respectively.
Sunny, Cloudy and Gloomy days
Most of the days in September are gloomy but you can also expect sunny days.
Precipitation Totals in September, in
Precipitation total in September for Ketchikan is 3.5 in.
Wind Speed in September, mph
The average wind speed in September is 8.9 mph.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Ketchikan in September is 4.0 hours.
Ketchikan on the Weather Map
USA Resorts:
NAME
F°
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Ketchikan
Local time: 23:06
05 dec, friday
| 0000 |  |
40°F | W 4 mph |
| 0300 | |
40°F | W 4 mph |
| 0600 | |
38°F | W 5 mph |
| 0900 | |
38°F | S 6 mph |
| 1200 |  |
40°F | S 7 mph |
| 1500 |  |
40°F | S 6 mph |
| 1800 | |
34°F | S 4 mph |
| 2100 | |
32°F | SW 2 mph |