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 experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 29.1 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
21°/11°
Temperatures
21 km/h
Avg max wind
56 %
Avg humidity
City of Sydney in September average weather
Move between months or click on a day
| 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° |
You can click on date
Access City of Sydney weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in City of Sydney
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| 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 | |
| Next | |||||
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 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City of Sydney during September?
In September, City of Sydney can expect light to moderate rainfall, totaling 29.1 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in City of Sydney during September?
The average wind speed in City of Sydney during September is 21 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 ☀️
Top locations in City of Sydney
Select a location for an accurate weather forecast
More Locations Quick links
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.