New South Wales (Sydney)
September
Weather in New South Wales for September 2027
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 19.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 20 °C by the end of September.
New South Wales experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 41.6 mm.
Is September a good time to visit New South Wales? check out the best time to travel to New South Wales page.
✨ Is September a good time to visit New South Wales? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
20°/12°
Temperatures
25 km/h
Avg max wind
63 %
Avg humidity
New South Wales Weather September
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What’s the Weather Like in New South Wales This September?
Discover the average temperatures and weather trends across New South Wales’s cities this September.
Temperatures trend during September in New South Wales
See the weather trend as well as the moving average line
September weather in New South Wales day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 20° /12° | 0.8 mm | 5 | |
| 2 Sept. | Sunny | 20° /12° | 0.1 mm | 5 | |
| 3 Sept. |  Patchy rain possible | 19° /12° | 1.4 mm | 5 | |
| 4 Sept. | Patchy rain possible | 19° /13° | 1.5 mm | 5 | |
| 5 Sept. | Patchy rain possible | 20° /13° | 1 mm | 5 | |
| 6 Sept. | Sunny | 19° /12° | 0.3 mm | 6 | |
| 7 Sept. | Patchy rain possible | 20° /12° | 0.6 mm | 6 | |
| 8 Sept. | Patchy rain possible | 21° /13° | 1.4 mm | 6 | |
| 9 Sept. | Patchy rain possible | 20° /12° | 1.8 mm | 6 | |
| 10 Sept. |  Light rain | 18° /12° | 4.6 mm | 5 | |
| 11 Sept. | Patchy rain possible | 19° /11° | 1.3 mm | 6 | |
| 12 Sept. | Sunny | 19° /11° | 0.7 mm | 5 | |
| 13 Sept. | Patchy rain possible | 17° /12° | 0.8 mm | 5 | |
| 14 Sept. | Sunny | 19° /11° | 0.3 mm | 6 | |
| 15 Sept. | Patchy rain possible | 19° /11° | 1.4 mm | 5 | |
| 16 Sept. | Sunny | 20° /12° | 0.6 mm | 6 | |
| 17 Sept. | Sunny | 20° /12° | 0.1 mm | 6 | |
| 18 Sept. | Sunny | 22° /12° | 0 mm | 6 | |
| 19 Sept. | Sunny | 24° /13° | 0.1 mm | 7 | |
| 20 Sept. | Sunny | 24° /14° | 0 mm | 7 | |
| 21 Sept. | Patchy rain possible | 21° /13° | 1.3 mm | 6 | |
| 22 Sept. | Light rain | 18° /13° | 3.9 mm | 5 | |
| 23 Sept. | Patchy rain possible | 20° /13° | 1.9 mm | 5 | |
| 24 Sept. | Patchy rain possible | 21° /13° | 1.9 mm | 6 | |
| 25 Sept. |  Overcast | 21° /13° | 0 mm | 6 | |
| 26 Sept. |  Moderate rain at times | 21° /14° | 5.5 mm | 5 | |
| 27 Sept. | Patchy rain possible | 19° /14° | 2.1 mm | 5 | |
| 28 Sept. | Patchy rain possible | 19° /14° | 2 mm | 5 | |
| 29 Sept. | Patchy rain possible | 20° /14° | 2.3 mm | 6 | |
| 30 Sept. | Patchy rain possible | 21° /14° | 2 mm | 6 | |
| Next | |||||
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.
Change Month
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 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New South Wales during September?
In September, New South Wales can expect light to moderate rainfall, totaling 41.6 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in New South Wales during September?
The average wind speed in New South Wales during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
New South Wales water temperatures in September
The average water temperature of the Pacific Ocean near New South Wales in September is 16.5 °C. At the beginning of September temperatures are around 16.3 °C; by the end of the month they stay fairly steady and reach 16.7 °C.
- What is the water temperature in New South Wales in September?
- The average water temperature in New South Wales in September is 16.5 °C.
- Can you swim in New South Wales in September?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
September rainfall patterns in New South Wales
Explore the daily rainfall trends and prepare for New South Waless September weather 💧
Typically, New South Wales has 8 rainy days in September with a total of 41.6 mm of rainfall.
UV exposure in New South Wales during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Counties in New South Wales
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Armidale RegionalBathurst RegionalBlue Mountains MunicipalityBourkeBroken Hill MunicipalityByron ShireCampbelltown MunicipalityCentral CoastCessnockCity of SydneyClarence ValleyCoffs HarbourEurobodallaFairfieldGoulburn MulwareeGriffithHilltopsHornsby ShireInverellKiamaKu-ring-gaiLismore MunicipalityMaitland MunicipalityMid-CoastMid-Western RegionalMurray RiverMuswellbrookNewcastleNorthern BeachesOrange MunicipalityParkesParramattaPort Macquarie-HastingsRichmond ValleySnowy Monaro RegionalTamworth MunicipalityWestern Plains RegionalWingecarribeeWollongong
Top locations in New South Wales
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