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Weather in New South Wales for September 2025

Your guide to New South Wales weather in September - trends and predictions
  • In general, the average temperature in New South Wales at the beginning of September is 19.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 20 °C by the end of September.

  • New South Wales sees moderate rainfall in September, averaging 7 rainy days.

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Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/13°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
62 %
Avg humidity

New South Wales in September average weather

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Temperatures trend during September in New South Wales

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
20° /12° 1.2 mm 6
2 Sept. Overcast
Overcast
19° /11° 0.1 mm 6
3 Sept. Partly cloudy
Partly cloudy
15° /10° 0 mm 5
4 Sept. Partly cloudy
Partly cloudy
19° /9° 0 mm 6
5 Sept. Moderate rain at times
Moderate rain at times
22° /12° 0.6 mm 6
6 Sept. Sunny
Sunny
23° /12° 0 mm 7
7 Sept. Partly cloudy
Partly cloudy
21° /13° 0.2 mm 6
8 Sept. Patchy light rain
Patchy light rain
22° /12° 3.4 mm 6
9 Sept. Sunny
Sunny
19° /11° 0 mm 6
10 Sept. Sunny
Sunny
17° /10° 0.1 mm 5
11 Sept. Sunny
Sunny
19° /11° 0.1 mm 6
12 Sept. Cloudy
Cloudy
18° /12° 2 mm 5
13 Sept. Sunny
Sunny
17° /11° 0.6 mm 5
14 Sept. Sunny
Sunny
20° /11° 0.1 mm 7
15 Sept. Overcast
Overcast
19° /11° 0.6 mm 5
16 Sept. Sunny
Sunny
22° /12° 0.1 mm 7
17 Sept. Sunny
Sunny
23° /13° 0 mm 7
18 Sept. Sunny
Sunny
25° /12° 0 mm 7
19 Sept. Sunny
Sunny
26° /15° 0 mm 7
20 Sept. Sunny
Sunny
26° /15° 0 mm 8
21 Sept. Patchy rain possible
Patchy rain possible
21° /13° 0.1 mm 6
22 Sept. Light rain shower
Light rain shower
19° /13° 0.4 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
21° /12° 0.1 mm 6
24 Sept. Partly cloudy
Partly cloudy
20° /12° 0 mm 6
25 Sept. Sunny
Sunny
24° /13° 0.1 mm 7
26 Sept. Thundery outbreaks possible
Thundery outbreaks possible
19° /13° 14.4 mm 5
27 Sept. Thundery outbreaks possible
Thundery outbreaks possible
17° /13° 2.1 mm 5
28 Sept. Patchy rain possible
Patchy rain possible
18° /14° 0.9 mm 5
29 Sept. Sunny
Sunny
22° /14° 0.8 mm 6
30 Sept. Sunny
Sunny
20° /14° 2.2 mm 6
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Important Notice
Our weather forecast for New South Wales in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New South Wales forecast closer to your planned date for the most up-to-date weather information.

New South Wales in September - FAQ

What are the expected maximum and minimum temperatures in New South Wales during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New South Wales during September?
Expect minimal rainfall in New South Wales during September, with a total of 14.3 mm over approximately 7 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in New South Wales during September?
The average wind speed in New South Wales during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in New South Wales

Explore the daily rainfall trends and prepare for New South Waless September weather 💧

UV exposure in New South Wales during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is New South Wales?

Get accurate weather forecasts for New South Wales, located at latitude -33.868 and longitude 151.207. Stay updated with localized weather information tailored for New South Wales.

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