New South Wales weather in September 2025

The temperatures in New South Wales in September are comfortable with low of 12°C and and high up to 22°C.

The wather in New South Wales in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.

Our weather forecast can give you a great sense of what weather to expect in New South Wales in September 2025.

If you’re planning to visit New South Wales in the near future, we highly recommend that you review the 14 day weather forecast for New South Wales before you arrive.

Temperatures

22° / 12°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

10.8

Hrs

Explore the weather in New South Wales in other months

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	29° / 19°	4	27	105 mm	Good	New South Wales in January
February	28° / 19°	5	23	129 mm	Perfect	New South Wales in February
March	26° / 18°	4	27	133 mm	Perfect	New South Wales in March
April	23° / 15°	3	27	83 mm	Perfect	New South Wales in April
May	20° / 12°	3	29	50 mm	Good	New South Wales in May
June	17° / 10°	4	26	97 mm	Good	New South Wales in June
July	17° / 9°	2	29	40 mm	Good	New South Wales in July
August	19° / 9°	2	29	58 mm	Good	New South Wales in August
September	22° / 12°	2	28	55 mm	Good	New South Wales in September
October	24° / 13°	4	27	92 mm	Perfect	New South Wales in October
November	26° / 16°	5	25	105 mm	Perfect	New South Wales in November
December	28° / 17°	5	26	81 mm	Perfect	New South Wales in December