Sydney Harbour, New South Wales
September 2025 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Mo10.917.8   W4108:1412.5  WSW20 17.3  SSE20 
2Tu12.319.9   NNE3919:5814.9  WSW13 17.7  NE26 
3We12.120.3   W3308:3014.6  W22 18.3  NNE20 
4Th14.523.5   N4309:5917.1  NNW20 23.0  NW28 
5Fr14.217.1   S3913:5716.2  WSW20 16.6  S24 
6Sa12.618.1   NNE4818:5414.3  SSW7 17.6  NE31 
7Su13.822.0   NNE4617:3216.7  NE7 18.8  NE35 
8Mo16.328.0   WNW5013:1221.7  N13 27.4  N30 
9Tu17.624.6   W4604:2619.3  N7 21.8  ENE15 
10We17.318.0   SSW7616:4417.4  E26 17.0  NE22 
11Th10.616.4   SSW7809:1112.4  WSW26 16.1  SSW48 
12Fr12.118.2   W3004:3714.9  WSW19 18.0  ESE13 
13Sa12.319.7   WSW2408:3314.3  WSW11 17.9  ENE19 
14Su12.720.9   NNE3513:2716.0  W11 18.9  NNE28 
15Mo13.227.2   NW3312:5118.8  NNW15 26.2  N19 
16Tu18.626.5   N4611:4822.4  NNW19 24.8  N24 
17We18.823.0   WSW4623:4519.0  WSW20 21.6  E17 
18Th12.918.9   WSW4600:2914.8  W17 18.1  ENE17 
19Fr13.422.3   N4320:5215.9  WSW19 19.6  NNE30 
20Sa15.921.4   WSW5712:1019.8  WSW17 20.9  WSW31 
21Su11.720.9   WSW4119:1215.4  W22 18.8  ENE19 
22Mo13.520.2   S6318:0917.6  WSW22 17.0  S33 
23Tu9.7       13.0  WSW22 16.1  S26 
Statistics for the first 23 days of September 2025
Mean13.821.1      16.5   17 19.5   25 
Lowest9.716.4      12.4  #7 16.1  ESE13 
Highest18.828.0   SSW78 22.4  #26 27.4  SSW48 
Total                    

IDCJDW2163.202509   Prepared at 05:36 UTC on Tuesday 23 September 2025

Source of data

Observations were drawn from Sydney Harbour (Wedding Cake West) {station 066196}.

You should read the important information in these notes.

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Other times and other places

The last 14 months of Daily Weather Observations for Sydney Harbour, New South Wales are also here on this web site:

Sep 25   Aug 25   Jul 25   Jun 25   May 25   Apr 25   Mar 25   Feb 25   
Jan 25   Dec 24   Nov 24   Oct 24   Sep 24   Aug 24   

Daily Weather Observations are also routinely prepared for hundreds of other locations in New South Wales and across Australia. To get other months or places not on this web site, contact us.

Maps and tables of average conditions for locations across Australia are also available.

More information

If you are using these pages, you are deemed to have understood the important information in these notes. They cover how the data are obtained, how they are processed, and what each column means.

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