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Sea Temperature in Seward in September
Complete information on the sea temperature range in the Pacific Ocean in Seward in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Seward. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Seward in September
9°C
MINIMUN
11.5°C
AVERAGE
14°C
MAXIMUM
Historical Data of Water Temperature in September in Seward
Water Temperature Chart for Pacific Ocean in Seward in September
Sea Temperature Table in Seward in September Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
Sep 1 | 13°C | 13°C | 12°C | 12.5°C |
Sep 2 | 13°C | 13°C | 12°C | 12.5°C |
Sep 3 | 12°C | 12°C | 12°C | 11.8°C |
Sep 4 | 13°C | 13°C | 12°C | 12.5°C |
Sep 5 | 13°C | 12°C | 12°C | 12.3°C |
Sep 6 | 13°C | 13°C | 12°C | 12.5°C |
Sep 7 | 13°C | 12°C | 12°C | 12.3°C |
Sep 8 | 13°C | 12°C | 12°C | 12.3°C |
Sep 9 | 13°C | 12°C | 12°C | 12.3°C |
Sep 10 | 13°C | 12°C | 12°C | 12.0°C |
Sep 11 | 13°C | 12°C | 12°C | 12.0°C |
Sep 12 | 12°C | 12°C | 12°C | 11.8°C |
Sep 13 | 13°C | 12°C | 12°C | 12.0°C |
Sep 14 | 13°C | 11°C | 12°C | 11.8°C |
Sep 15 | 12°C | 12°C | 12°C | 11.8°C |
Sep 16 | 13°C | 12°C | 12°C | 12.0°C |
Sep 17 | 12°C | 13°C | 12°C | 12.0°C |
Sep 18 | 12°C | 12°C | 12°C | 11.8°C |
Sep 19 | 12°C | 12°C | 12°C | 11.8°C |
Sep 20 | 12°C | 12°C | 12°C | 11.8°C |
Sep 21 | 11°C | 12°C | 12°C | 11.5°C |
Sep 22 | 11°C | 12°C | 12°C | 11.5°C |
Sep 23 | 11°C | 12°C | 11°C | 11.3°C |
Sep 24 | 10°C | 11°C | 11°C | 10.8°C |
Sep 25 | 10°C | 11°C | 11°C | 10.5°C |
Sep 26 | 11°C | 12°C | 11°C | 11.0°C |
Sep 27 | 10°C | 12°C | 11°C | 11.0°C |
Sep 28 | 10°C | 11°C | 11°C | 10.8°C |
Sep 29 | 10°C | 11°C | 11°C | 10.5°C |



Seward Climate and Swimming Opportunities in September
12°C
Average Day Air Temperature
4°C
Average Night Air Temperature
194 mm
Precipitation Amount per Month
17 days
Number of Rainy Days
13 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
78%
Average
humidity
Seward lies within the Alaska in United States. The average daytime temperature in Seward in September is 54°F (12°C), while the nighttime average is 40°F (4°C). There are typically 17 rainy days during the month, with a total precipitation of 7.6 inches (194 mm). The daylight duration in September in Seward is 13 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 9 mph (14 km/h), and the humidity level is around 78%.
The water temperature in Seward in September ranges from 50°F to 54°F (10°C to 12°C). At the beginning of the month, the average temperature is around 54°F (12°C), shifting to 54°F (12°C) by mid-September and reaching 52°F (11°C) in the last ten days. Overall, the average sea temperature in Seward for September is 54°F (12°C). The water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Seward
What is the sea temperature in Seward in September?
The water temperature in the Pacific Ocean in Seward in September ranges from 50°F to 54°F (10°C to 12°C).
Is it possible to swim in the Pacific Ocean in Seward in September?
The average sea temperature in Seward in September is 54°F (12°C), and the air temperature is 54°F (12°C), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.