Casterton, Victoria
September 2026 Daily Weather Observations

Most observations from Casterton, pressure taken from Hamilton.

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Tu6.718.70.2  NNW5212:3414.662 N301018.515.769 WNW311013.5
2We8.113.64.6  NW3512:3110.779 NW131015.813.369 NNW191012.9
3Th9.415.12.0  W5010:4911.986 W301012.913.952 W261015.4
4Fr7.815.70  N4413:5710.974 N171018.615.374 N301014.0
5Sa10.815.52.2  WNW6514:4612.585 NW281004.811.385 WNW311005.3
6Su9.515.43.4  W3101:1411.491 WNW111021.915.274 NW131022.5
7Mo7.214.90.4  WSW3101:3710.487 S131028.714.457 S151029.5
8Tu-1.015.20  W2815:116.897 Calm1028.214.564 W201025.7
9We2.613.30.8  S4310:149.570 S191032.911.760 S261034.8
10Th0.816.90  SSE2609:448.992 Calm1039.216.153 S131037.2
11Fr5.117.80  E2207:567.598 E131035.117.548 ESE131031.9
12Sa4.621.10  N3013:3512.481 NE91028.020.640 N171023.4
13Su12.020.10  NNW4413:5815.361 N171018.618.562 NNW171015.6
14Mo10.217.00.2  W3713:5212.888 W131020.714.969 W241019.5
15Tu5.414.01.2  SW5411:169.883 SW151028.412.756 SSW261030.7
16We1.913.00  S3008:599.970 S171037.112.363 S191036.8
17Th2.015.70  SW2813:299.772 SW111035.914.662 SW91032.5
18Fr1.821.20  NW4813:0312.367 NNW201028.020.943 NW241024.2
19Sa7.624.80  WNW5411:1916.252 NNW151024.524.529 WNW301021.7
20Su10.123.90  WNW6515:0820.434 N281012.921.250 WNW371009.5
21Mo5.514.10.4  WSW3500:2710.365 SSW171026.212.547 SSW191027.2
22Tu-1.314.70  E2610:258.574 SSW71031.714.445 ESE131029.7
23We1.519.70  ENE2012:5910.269 ENE71030.919.041 ENE111027.6
24Th 21.20     16.164 N171025.719.374 N61023.5
25Fr13.022.01.4  WSW2813:5715.292 NE61025.220.376 WSW151023.3
26Sa9.813.63.2  SSE4115:4010.591 SE91029.812.772 SSE191030.7
27Su1.114.10  SE4112:039.267 ESE201037.113.455 ESE201034.1
28Mo4.618.50  ESE3507:349.980 E221034.018.264 NE151030.3
29Tu9.623.60  NNE5620:3815.566 NNE131025.423.148 NNE241020.7
30We15.322.90  NNW3915:4816.856 NNE111018.321.864 N131016.5
Statistics for September 2026
Mean6.317.6      11.975  141025.816.558  191024.0
Lowest-1.313.00     6.834 Calm1004.811.329 N61005.3
Highest15.324.84.6  WNW65 20.498 #301039.224.585 WNW371037.2
Total  20.0                 

IDCJDW3012.202609   Prepared at 13:01 UTC on Friday 2 October 2026

Source of data

Temperature, humidity, wind and rainfall observations are from Casterton {station 090182}. Evaporation and sunshine observations are from Mount Gambier Aero {station 026021}. Pressure observations are from Hamilton Airport {station 090173}.

Hamilton Airport is several kilometres southeast of Casterton, so the pressures will sometimes be markedly different.

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 Casterton, Victoria are also here on this web site:

Oct 26   Sep 26   Aug 26   Jul 26   Jun 26   May 26   Apr 26   Mar 26   
Feb 26   Jan 26   Dec 25   Nov 25   Oct 25   Sep 25   

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

Climate statistics

If you are after long-term averages relevant to Casterton, Victoria, look at the tables for Mount Gambier Aero, Hamilton Airport, Casterton Showgrounds or Hamilton Airport.

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.

If you have any questions about this product, or you want any other weather or climate information, please contact us.