City of Sydney (Pymble)
September
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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23
Dry days
7
Rainy days
0
Snow days
22°/12°
Temperatures
20 km/h
Avg max wind
59 %
Avg humidity
City of Sydney in September average weather
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Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 21° | 2 20° | 3 16° | 4 20° | 5 23° | 6 24° | 7 24° |
8 22° | 9 20° | 10 18° | 11 20° | 12 18° | 13 18° | 14 21° |
15 20° | 16 24° | 17 24° | 18 27° | 19 28° | 20 28° | 21 22° |
22 20° | 23 22° | 24 21° | 25 26° | 26 20° | 27 18° | 28 19° |
29 23° | 30 21° |
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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 | 21° /11° | 1.4 mm | 7 | |
2 Sept. | Overcast | 20° /10° | 0.1 mm | 6 | |
3 Sept. | Sunny | 16° /8° | 0 mm | 6 | |
4 Sept. | Partly cloudy | 20° /8° | 0 mm | 7 | |
5 Sept. | Moderate rain at times | 23° /11° | 0.9 mm | 7 | |
6 Sept. | Sunny | 24° /12° | 0 mm | 7 | |
7 Sept. | Partly cloudy | 24° /13° | 0.1 mm | 7 | |
8 Sept. | Light rain shower | 22° /12° | 2.7 mm | 7 | |
9 Sept. | Sunny | 20° /10° | 0 mm | 6 | |
10 Sept. | Sunny | 18° /8° | 0.1 mm | 6 | |
11 Sept. | Sunny | 20° /10° | 0.1 mm | 7 | |
12 Sept. | Partly cloudy | 18° /11° | 2.3 mm | 6 | |
13 Sept. | Sunny | 18° /10° | 0.5 mm | 6 | |
14 Sept. | Sunny | 21° /9° | 0.1 mm | 7 | |
15 Sept. | Overcast | 20° /10° | 0.3 mm | 6 | |
16 Sept. | Sunny | 24° /10° | 0.1 mm | 7 | |
17 Sept. | Sunny | 24° /12° | 0 mm | 7 | |
18 Sept. | Sunny | 27° /11° | 0 mm | 8 | |
19 Sept. | Sunny | 28° /14° | 0 mm | 9 | |
20 Sept. | Sunny | 28° /15° | 0 mm | 8 | |
21 Sept. | Patchy rain possible | 22° /12° | 0.1 mm | 7 | |
22 Sept. | Patchy rain possible | 20° /11° | 0.4 mm | 6 | |
23 Sept. | Patchy rain possible | 22° /10° | 0 mm | 7 | |
24 Sept. | Partly cloudy | 21° /11° | 0 mm | 6 | |
25 Sept. | Sunny | 26° /13° | 0.1 mm | 7 | |
26 Sept. | Patchy light rain with thunder | 20° /12° | 13.5 mm | 6 | |
27 Sept. | Light rain shower | 18° /13° | 2.2 mm | 6 | |
28 Sept. | Patchy rain possible | 19° /13° | 1 mm | 6 | |
29 Sept. | Sunny | 23° /13° | 1 mm | 7 | |
30 Sept. | 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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