Water temperature in Ballina (NSW) in September

Home > Australia > New South Wales > Ballina

Is it warm enough to swim in Ballina in September? Average water temperature in Ballina in September is 20.4°C and therefore suitable for comfortable swimming. The warmest sea in Ballina in September is 22.1°C, and the coldest is 18.4°C. Average high air temperature in Ballina in September is 24°C, and average low temperature is 12°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Ballina

Changes water temperature in Ballina in September 2025, 2024

To get an accurate forecast for the water temperature in Ballina for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Ballina, 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	20.3°C	20.6°C	19.3°C	21.1°C
2 September	20.9°C	19.8°C	19.2°C	21.1°C
3 September	20.4°C	20.1°C	19.2°C	21.1°C
4 September	20.7°C	20.1°C	19.1°C	21.2°C
5 September	20.2°C	20°C	19.4°C	21.2°C
6 September	19.9°C	19.7°C	19.5°C	21.5°C
7 September	20.5°C	20°C	19.5°C	21.4°C
8 September	20.1°C	20°C	18.9°C	21.6°C
9 September	20.4°C	20.5°C	18.8°C	21.6°C
10 September	20.1°C	20.3°C	19°C	21.7°C
11 September	19.8°C	20.5°C	19.1°C	21.7°C
12 September	19.7°C	20.5°C	18.9°C	21.8°C
13 September	20°C	20.4°C	18.8°C	21.4°C
14 September	20.4°C	20.2°C	18.4°C	21.4°C
15 September	20.4°C	20.1°C	18.9°C	21.5°C

Day	2025	2024	Min	Max
16 September	20.5°C	20.4°C	19.2°C	21.7°C
17 September	19.8°C	20.6°C	19°C	21.6°C
18 September	20.3°C	20.6°C	18.9°C	21.7°C
19 September	20.4°C	20.3°C	19.2°C	21.6°C
20 September	19.8°C	20.5°C	19.3°C	21.7°C
21 September	20.8°C	20.8°C	19.4°C	22.1°C
22 September	21.2°C	20.8°C	19.3°C	21.9°C
23 September	21.3°C	20.9°C	18.7°C	21.8°C
24 September	21.4°C	20.8°C	19°C	22°C
25 September	20.9°C	21°C	19.3°C	21.9°C
26 September		21.1°C	19.6°C	21.9°C
27 September		21.1°C	19.7°C	21.8°C
28 September		21.1°C	19.3°C	22°C
29 September		21.1°C	19.1°C	21.9°C
30 September		21.3°C	19.5°C	22.1°C

Average water temperature in Ballina in September over a decade

2015	2016	2017	2018	2019
20.6°C	20.5°C	20.5°C	20.1°C	19.3°C

2020	2021	2022	2023	2024
20°C	20.1°C	19.6°C	19.7°C	20.5°C

Ballina sea state in September

Chart comparing the height of waves in Ballina 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.

Weather and climate in Ballina in September

This data display average monthly climate indicators in Ballina in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature24°C
Average LOW temperature12°C
Average humidity
59
Average rainfall days9 days
Average rainfall2.4''/61mm

Ballina 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
East Ballina	20.4°C	18.4°C	22.1°C
Lennox Head	20.5°C	18.6°C	22.4°C
Suffolk Park	20.7°C	18.9°C	22.6°C
Evans Head	20°C	17.8°C	21.7°C
Brunswick Heads	20.6°C	18.8°C	22.3°C
Julian Rocks	20.7°C	18.9°C	22.5°C
South Golden Beach	20.6°C	18.9°C	22.3°C
Pottsville	20.7°C	19°C	22.3°C
Iluka Beach	19.9°C	17.5°C	21.5°C
Cabarita Beach	20.7°C	19°C	22.3°C

New South Wales photo gallery

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for New South Wales best beach

Get widget or API for your website

Our report for Ballina 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.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature