Water temperature in Hawks Nest (NSW) in September

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Is it warm enough to swim in Hawks Nest in September? Average water temperature in Hawks Nest in September is 18.4°C and therefore is not suitable for comfortable swimming. The warmest sea in Hawks Nest in September is 20°C, and the coldest is 16°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Hawks Nest

Changes water temperature in Hawks Nest in September 2025, 2024

To get an accurate forecast for the water temperature in Hawks Nest for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Hawks Nest, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 September	17.4°C	18.7°C	17.1°C	19.3°C
2 September	17.5°C	18.4°C	17.3°C	19.6°C
3 September	17.1°C	18.4°C	17.1°C	19.5°C
4 September	17.6°C	18.6°C	17.6°C	19.4°C
5 September		18.6°C	17.5°C	19.3°C
6 September		18.7°C	17.2°C	19.2°C
7 September		18.7°C	17.2°C	19.2°C
8 September		18.8°C	17.3°C	19.1°C
9 September		18.7°C	17.3°C	19°C
10 September		19.2°C	17.2°C	19.2°C
11 September		19.2°C	17.1°C	19.2°C
12 September		19.4°C	17.1°C	19.4°C
13 September		19.2°C	17.1°C	19.2°C
14 September		19.3°C	16°C	19.3°C
15 September		19.5°C	16.7°C	19.5°C

Day	2024	Min	Max
16 September	19.4°C	17.2°C	19.4°C
17 September	19.1°C	17.3°C	19.2°C
18 September	19°C	17.3°C	19.3°C
19 September	18.9°C	17.3°C	19.4°C
20 September	19.2°C	17.7°C	19.5°C
21 September	19.1°C	17.7°C	19.4°C
22 September	19.1°C	16.9°C	19.7°C
23 September	19.2°C	17.3°C	19.4°C
24 September	19.2°C	17.6°C	19.8°C
25 September	19.4°C	17.5°C	20°C
26 September	19.4°C	17.6°C	19.6°C
27 September	19.4°C	17.5°C	19.4°C
28 September	19.4°C	17.6°C	19.8°C
29 September	19.3°C	17.7°C	19.9°C
30 September	19.2°C	17.9°C	20°C

Hawks Nest water temp chart in September

Average water temperature in Hawks Nest in September over a decade

2015	2016	2017	2018	2019
19°C	18.4°C	19.3°C	17.7°C	18°C

2020	2021	2022	2023	2024
18.4°C	17.9°C	17.8°C	18.3°C	19°C

Hawks Nest sea state in September

Chart comparing the height of waves in Hawks Nest in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Hawks Nest water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Nelson Bay	18.3°C	16.1°C	20°C
Fingal Bay	18.3°C	16.1°C	20°C
Shoal Bay	18.3°C	16.1°C	20°C
One Mile Beach	18.3°C	16.2°C	20°C
Anna Bay	18.2°C	16.1°C	19.9°C
Seal Rocks	18.7°C	16°C	20.6°C
Stockton	18°C	16.3°C	19.9°C
Boomerang Beach	18.7°C	15.9°C	21°C
Blueys Beach	18.7°C	15.9°C	21°C
Elizabeth Beach	18.7°C	15.9°C	21°C

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Our report for Hawks Nest is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature