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Weather in City of Sydney for September 2025

Your guide to City of Sydney weather in September - trends and predictions
  • In general, the average temperature in City of Sydney at the beginning of September is 21.1 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 21.1 °C by the end of September.

  • City of Sydney 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
22°/12°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
59 %
Avg humidity

City of Sydney in September average weather

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Temperatures trend during September in City of Sydney

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
21° /11° 1.4 mm 7
2 Sept. Overcast
Overcast
20° /10° 0.1 mm 6
3 Sept. Sunny
Sunny
16° /8° 0 mm 6
4 Sept. Partly cloudy
Partly cloudy
20° /8° 0 mm 7
5 Sept. Moderate rain at times
Moderate rain at times
23° /11° 0.9 mm 7
6 Sept. Sunny
Sunny
24° /12° 0 mm 7
7 Sept. Partly cloudy
Partly cloudy
24° /13° 0.1 mm 7
8 Sept. Light rain shower
Light rain shower
22° /12° 2.7 mm 7
9 Sept. Sunny
Sunny
20° /10° 0 mm 6
10 Sept. Sunny
Sunny
18° /8° 0.1 mm 6
11 Sept. Sunny
Sunny
20° /10° 0.1 mm 7
12 Sept. Partly cloudy
Partly cloudy
18° /11° 2.3 mm 6
13 Sept. Sunny
Sunny
18° /10° 0.5 mm 6
14 Sept. Sunny
Sunny
21° /9° 0.1 mm 7
15 Sept. Overcast
Overcast
20° /10° 0.3 mm 6
16 Sept. Sunny
Sunny
24° /10° 0.1 mm 7
17 Sept. Sunny
Sunny
24° /12° 0 mm 7
18 Sept. Sunny
Sunny
27° /11° 0 mm 8
19 Sept. Sunny
Sunny
28° /14° 0 mm 9
20 Sept. Sunny
Sunny
28° /15° 0 mm 8
21 Sept. Patchy rain possible
Patchy rain possible
22° /12° 0.1 mm 7
22 Sept. Patchy rain possible
Patchy rain possible
20° /11° 0.4 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
22° /10° 0 mm 7
24 Sept. Partly cloudy
Partly cloudy
21° /11° 0 mm 6
25 Sept. Sunny
Sunny
26° /13° 0.1 mm 7
26 Sept. Patchy light rain with thunder
Patchy light rain with thunder
20° /12° 13.5 mm 6
27 Sept. Light rain shower
Light rain shower
18° /13° 2.2 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
19° /13° 1 mm 6
29 Sept. Sunny
Sunny
23° /13° 1 mm 7
30 Sept. Sunny
Sunny
21° /13° 2.1 mm 7
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Important Notice
Our weather forecast for City of Sydney 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 City of Sydney forecast closer to your planned date for the most up-to-date weather information.

City of Sydney in September - FAQ

What are the expected maximum and minimum temperatures in City of Sydney during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City of Sydney during September?
Expect minimal rainfall in City of Sydney during September, with a total of 14.2 mm over approximately 7 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in City of Sydney during September?
The average wind speed in City of Sydney during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in City of Sydney

Explore the daily rainfall trends and prepare for City of Sydneys September weather 💧

UV exposure in City of Sydney during September

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

Get accurate weather forecasts for City of Sydney, located at latitude -33.744 and longitude 151.142. Stay updated with localized weather information tailored for City of Sydney.

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