Narrabeen Sea Temperature in September

Looking to find out what the average sea water temperature in Narrabeen is for September? Find out what the lowest, highest, and average water temperatures are for Narrabeen over the past 10 years.

Average water temperature in Narrabeen for September

The average, high, and low temperatures below should help you if you can swim in the water in Narrabeen in September.

18.51° C

(65.32° F)

highest: 22.04° C (71.67° F)
lowest: 15.8° C (60.44° F)

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.

Water temperature range by day in September in Narrabeen

The chart below shows the range of low and high temperatures by day for the month of September in Narrabeen.

Water temperatures for September in Narrabeen in recent years

Day	2024	2023	2022	2021
1	0° C	18.46° C	18.16° C	19.03° C
2	0° C	18.49° C	18.25° C	18.78° C
3	0° C	18.36° C	18.06° C	18.84° C
4	0° C	18.29° C	18.01° C	19.02° C
5	0° C	18.55° C	18.02° C	19.13° C
6	0° C	18.59° C	17.96° C	18.77° C
7	0° C	18.5° C	18.02° C	18.39° C
8	0° C	18.35° C	17.99° C	18.3° C
9	0° C	17.85° C	17.88° C	18.39° C
10	0° C	18.12° C	18.02° C	18.53° C
11	0° C	18.11° C	18.05° C	18.72° C
12	0° C	18.23° C	18.04° C	18.72° C
13	0° C	18.38° C	18.03° C	18.64° C
14	0° C	18.34° C	18.07° C	18.29° C
15	0° C	18.76° C	18.24° C	18.18° C
16	0° C	19.07° C	18.09° C	18.41° C
17	0° C	19.22° C	17.93° C	18.71° C
18	0° C	19.1° C	17.8° C	18.67° C
19	0° C	18.93° C	17.67° C	18.56° C
20	0° C	18.81° C	17.63° C	18.53° C
21	0° C	18.68° C	17.71° C	18.15° C
22	0° C	18.6° C	18.21° C	18.19° C
23	0° C	18.66° C	18.14° C	18.51° C
24	0° C	18.75° C	18.15° C	18.66° C
25	0° C	18.71° C	18.24° C	18.68° C
26	0° C	18.7° C	18.38° C	18.46° C
27	0° C	18.9° C	18.42° C	18.51° C
28	0° C	19.15° C	18.4° C	18.41° C
29	0° C	19.34° C	18.45° C	18.29° C
30	0° C	19.51° C	18.44° C	18.25° C