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Port Macquarie Sea Temperature in September

New South Wales, Australia

August Port Macquarie year-round → October

Average sea temperature for Port Macquarie, Australia across September, based on 10 years of daily readings.

Average

19.86° C

High

21.88° C

Low

18.21° C

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

September is the 11th warmest of 12 months at Port Macquarie. On average the water sits 2.5° than the year-round mean of 22.32° C.

Compared to August, September is 0.1° about the same as (19.79° C in August). By October the water is usually 20.83° C.

Port Macquarie Day-by-Day Water Temperature in September

10-year low, average and high

17.5° C
18.8° C
20.0° C
21.3° C
22.5° C
1
5
10
15
20
25
30
Day-by-day low and high band with the 10-year daily average through September. Range Average

Each vertical bar above is one day of September. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Port Macquarie.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

September Water Temperature Table for Port Macquarie

10-year daily averages

Day Average Low High
September 1 19.78° C 18.46° C 20.71° C
September 2 19.75° C 18.51° C 20.85° C
September 3 19.68° C 18.5° C 20.93° C
September 4 19.64° C 18.21° C 20.65° C
September 5 19.62° C 18.44° C 20.46° C
September 6 19.66° C 18.43° C 20.65° C
September 7 19.64° C 18.5° C 20.57° C
September 8 19.69° C 18.54° C 20.59° C
September 9 19.69° C 18.58° C 20.58° C
September 10 19.69° C 18.8° C 20.72° C
September 11 19.79° C 18.96° C 20.67° C
September 12 19.75° C 19.02° C 20.61° C
September 13 19.77° C 19.02° C 20.91° C
September 14 19.72° C 18.3° C 20.62° C
September 15 19.72° C 18.34° C 20.66° C
September 16 19.77° C 19° C 20.63° C
September 17 19.76° C 18.97° C 20.6° C
September 18 19.76° C 19.13° C 20.75° C
September 19 19.75° C 18.56° C 20.72° C
September 20 19.82° C 18.52° C 20.75° C
September 21 19.83° C 18.6° C 20.85° C
September 22 19.89° C 18.87° C 20.91° C
September 23 19.98° C 18.99° C 20.99° C
September 24 20.15° C 19.1° C 21.24° C
September 25 20.15° C 19.07° C 21.54° C
September 26 20.13° C 19.06° C 21.88° C
September 27 20.22° C 18.89° C 21.28° C
September 28 20.27° C 18.9° C 21.05° C
September 29 20.27° C 18.92° C 21.02° C
September 30 20.34° C 19.27° C 20.91° C

Where September Sits in the Year

September highlighted

16.0° C
19.4° C
22.8° C
26.1° C
29.5° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
24.46° C
25.37° C
25.21° C
24.3° C
22.67° C
21.1° C
20.09° C
19.79° C
19.86° C
20.83° C
21.37° C
22.73° C
10-year monthly history for Port Macquarie. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in September

Compare other Australia water for the same month

Port Macquarie Location

-31.4333, 152.9000

-31.43333, 152.90000 View on OpenStreetMap →

Port Macquarie sits at -31.4333°N, 152.9000°E, on the coast of New South Wales, Australia. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Port Macquarie