Water temperature in The Entrance in September

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Is it warm enough to swim in The Entrance in September? Average water temperature in The Entrance in September is 17.9°C and therefore is not suitable for comfortable swimming. The warmest sea in The Entrance in September is 19.8°C, and the coldest is 16.4°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in The Entrance

Changes water temperature in The Entrance in September 2025, 2024

To get an accurate forecast for the water temperature in The Entrance for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in The Entrance, 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	18.1°C	17.9°C	16.4°C	18.5°C
2 September	18.1°C	17.4°C	16.5°C	18.5°C
3 September	18.1°C	17.5°C	16.6°C	18.6°C
4 September	17.4°C	17.6°C	16.6°C	18.4°C
5 September	17.7°C	17.7°C	16.7°C	18.4°C
6 September	18°C	17.5°C	16.9°C	18.6°C
7 September	18.3°C	17.6°C	16.7°C	18.6°C
8 September	18.2°C	17.9°C	16.9°C	18.9°C
9 September	18.3°C	17.7°C	16.9°C	19.3°C
10 September	18°C	18°C	16.8°C	19.3°C
11 September	17.8°C	18.4°C	16.9°C	19.5°C
12 September	17.9°C	18.4°C	16.9°C	19.5°C
13 September	17.7°C	18.2°C	16.8°C	19.2°C
14 September	18.3°C	18.2°C	16.5°C	18.9°C
15 September	18.3°C	18.7°C	16.7°C	18.9°C

Day	2025	2024	Min	Max
16 September	18.4°C	18.6°C	17°C	18.8°C
17 September	18.8°C	18.4°C	17.1°C	18.9°C
18 September	18.9°C	18.2°C	17.1°C	19.4°C
19 September	19°C	18.3°C	17.2°C	19°C
20 September	19.3°C	18.2°C	17.3°C	19.3°C
21 September	19.3°C	18.3°C	17.2°C	19.3°C
22 September	19.6°C	18.4°C	17.3°C	19.6°C
23 September	19.6°C	18.5°C	17.2°C	19.6°C
24 September	19.5°C	18.5°C	17.5°C	19.7°C
25 September	19.6°C	18.6°C	17.6°C	19.8°C
26 September		18.6°C	17.4°C	19.5°C
27 September		18.7°C	17.3°C	19.2°C
28 September		18.8°C	16.9°C	19.3°C
29 September		18.9°C	17.5°C	19.4°C
30 September		18.9°C	17.5°C	19.8°C

The Entrance water temp chart in September

Average water temperature in The Entrance in September over a decade

2015	2016	2017	2018	2019
18.6°C	18.3°C	18.6°C	17.2°C	17.8°C

2020	2021	2022	2023	2024
17.8°C	17.5°C	17.6°C	18.3°C	18.2°C

The Entrance sea state in September

Chart comparing the height of waves in The Entrance 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.

Waves height in The Entrance in September

The Entrance 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
Toowoon Bay	17.9°C	16.4°C	19.9°C
Bateau Bay	17.9°C	16.4°C	19.9°C
Terrigal	17.9°C	16.4°C	19.8°C
Wamberal	17.9°C	16.4°C	19.8°C
Blue Bay	17.9°C	16.3°C	20.4°C
Norah Head	17.9°C	16.4°C	19.9°C
Soldiers Beach	17.9°C	16.4°C	19.9°C
Gosford	17.8°C	16.2°C	19.7°C
Avoca Beach	17.8°C	16.2°C	19.7°C
Budgewoi	18°C	16.3°C	20.2°C

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Our report for The Entrance 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