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Sea Temperature in Portland in September

© RJ D
Complete information on the sea temperature range in the Tasman Sea in Portland in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Portland. 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 Portland in September
12°C
MINIMUN
13.5°C
AVERAGE
15°C
MAXIMUM
Historical Data of Water Temperature in September in Portland
Water Temperature Chart for Tasman Sea in Portland in September
Sea Temperature Table in Portland in September Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
Sep 1 | 15°C | 12°C | 14°C | 13.8°C |
Sep 2 | 14°C | 12°C | 14°C | 13.5°C |
Sep 3 | 14°C | 13°C | 14°C | 13.8°C |
Sep 4 | 14°C | 13°C | 14°C | 13.5°C |
Sep 5 | 14°C | 13°C | 14°C | 13.8°C |
Sep 6 | 13°C | 13°C | 14°C | 13.5°C |
Sep 7 | 13°C | 13°C | 14°C | 13.5°C |
Sep 8 | 14°C | 13°C | 15°C | 14.0°C |
Sep 9 | 14°C | 13°C | 14°C | 13.8°C |
Sep 10 | 14°C | 13°C | 14°C | 13.8°C |
Sep 11 | 14°C | 13°C | 14°C | 13.8°C |
Sep 12 | 14°C | 14°C | 14°C | 13.8°C |
Sep 13 | 14°C | 13°C | 14°C | 13.8°C |
Sep 14 | 14°C | 13°C | 14°C | 14.0°C |
Sep 15 | 14°C | 13°C | 14°C | 13.8°C |
Sep 16 | 14°C | 13°C | 14°C | 13.8°C |
Sep 17 | 14°C | 14°C | 14°C | 14.0°C |
Sep 18 | 14°C | 13°C | 14°C | 13.8°C |
Sep 19 | 14°C | 13°C | 14°C | 13.8°C |
Sep 20 | 14°C | 14°C | 14°C | 14.0°C |
Sep 21 | 14°C | 13°C | 14°C | 13.5°C |
Sep 22 | 14°C | 14°C | 14°C | 14.0°C |
Sep 23 | 14°C | 13°C | 14°C | 13.8°C |
Sep 24 | 14°C | 13°C | 14°C | 13.8°C |
Sep 25 | 13°C | 13°C | 14°C | 13.5°C |
Sep 26 | 14°C | 13°C | 14°C | 13.8°C |
Sep 27 | 14°C | 13°C | 14°C | 13.5°C |
Sep 28 | 14°C | 13°C | 14°C | 13.5°C |
Sep 29 | 15°C | 14°C | 14°C | 13.8°C |



Portland Climate and Swimming Opportunities in September
17°C
Average Day Air Temperature
8°C
Average Night Air Temperature
86 mm
Precipitation Amount per Month
13 days
Number of Rainy Days
12 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
23 km/h
Average Wind Speed
67%
Average
humidity
Portland lies within the Victoria in Australia. The average daytime temperature in Portland in September is 17°C (62°F), while the nighttime average is 8°C (47°F). There are typically 13 rainy days during the month, with a total precipitation of 86 mm (3.4 inches). The daylight duration in September in Portland is 12 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 23 km/h (14 mph), and the humidity level is around 67%.
The water temperature in Portland in September ranges from 13°C to 14°C (55°F to 57°F). At the beginning of the month, the average temperature is around 14°C (57°F), shifting to 14°C (57°F) by mid-September and reaching 14°C (57°F) in the last ten days. Overall, the average sea temperature in Portland for September is 14°C (57°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Frequently Asked Questions About Water Temperatures in September in Portland
What is the sea temperature in Portland in September?
The water temperature in the Tasman Sea in Portland in September ranges from 13°C to 14°C (55°F to 57°F).
Is it possible to swim in the Tasman Sea in Portland in September?
The average sea temperature in Portland in September is 14°C (57°F), and the air temperature is 17°C (62°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.