Casey, Antarctica
September 2026 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Tu-20.0-6.71.0 2.4ENE10401:06-7.336 ESE33995.0-11.962 ENE7993.6
2We-18.5-3.50 0.3ESE4420:56-8.448 NNE20989.6-8.563 SSE17990.3
3Th-12.5-6.10 0.0NE4821:07-6.867 Calm991.4-8.276 NNE19990.5
4Fr-11.5-5.70 0.0E4400:03-8.862 NE30991.8-9.170 NNE13990.8
5Sa-9.9-5.90 0.0E11923:25-6.059 E61977.4-6.957 E78972.8
6Su-9.2-8.4  0.0E16123:27-8.877 E98968.8-10.477 E107968.2
7Mo-13.3-5.8  0.0E16905:43-11.273 E128959.7-8.146 ESE74968.4
8Tu-16.4-8.80 0.0SSE2619:41-11.666 NE9988.4-9.575 NE13989.8
9We-17.2-6.20 0.0E10011:30-11.359 ESE15976.0-11.258 S28972.5
10Th-20.5-15.80 2.0ENE2815:43-16.769 E9982.3-17.0687SSE11984.2
11Fr-22.2-15.50 0.3E3122:03-17.772 NE15989.5-15.866 E9989.1
12Sa-22.7 0 0.0E15000:07-22.3555S22979.8-16.4547S11973.2
13Su-19.5-4.0  0.0E17805:44-8.671 NNE35955.6-5.968 ENE24956.8
14Mo-10.7-9.30 6.0NE4823:21-9.483 SSW17973.2-10.667 WNW22976.2
15Tu-16.9-13.60 6.9NNE4302:39-15.472 NE22983.7-15.868 ESE15984.2
16We-19.5-14.80 0.2NW3523:52-15.877 NE19986.1-15.871 SE22983.9
17Th-19.3-9.20  NE4102:33-18.274 NE22974.8-19.673 NNE19969.7
18Fr-20.4-5.0  0.0ENE12611:45-9.586 E104945.9-8.881 E98948.4
19Sa-10.2-8.70.2 0.0E10004:31-9.250 SSE20966.6-10.278 SSE20969.0
20Su-17.7-15.32.0 5.5SSE3521:58-16.676 S9974.8-17.564 S7974.9
21Mo-24.0-16.10 9.4S4605:04-21.355 SSE22972.9-16.253 Calm972.5
22Tu-21.6-8.20 0.0ENE4319:40-19.979 SSE13978.3-16.777 NE15979.3
23We-21.4-9.10 0.0E15916:06-17.763 S35968.7-11.784 E113950.2
24Th-13.9-10.7  0.0ENE5407:25-13.471 NE41964.3-11.764 E20970.1
25Fr-14.0-5.30 0.0ENE15020:26-10.961 ENE31985.7-8.487 ENE81974.9
26Sa-11.0-5.00 5.5W13501:46-6.587 W39975.3-6.0661W54982.3
27Su-16.2-4.20.6 0.0ENE14120:07-10.386 S13983.4-5.781 ENE67972.1
28Mo-9.2-7.2  0.0E9601:15-7.582 E63964.3-7.779 E56968.9
29Tu-12.0-11.2  0.0NE3000:44-11.679 NE9981.0-11.784 NE9980.8
30We-16.2-12.60.8 0.7NE4321:43-13.681 NNE22974.1-12.972 NNE20972.5
Statistics for September 2026
Mean-16.3-8.9  1.4   -12.4695 32976.6-11.5695 34975.7
Lowest-24.0-16.10 0.0   -22.3365Calm945.9-19.6461Calm948.4
Highest-9.2-3.52.0 9.4E178 -6.0875E128995.0-5.7877E113993.6
Total  4.6 39.2               

IDCJDW9203.202609   Prepared at 13:04 UTC on Wednesday 7 October 2026

Source of data

Observations were drawn from Casey {station 300017}.

"9 am" observations are those made at 0300 UTC. This is equivalent to 10 am Local Standard Time, but 11am according to the time used by most people at the station. "3 pm" observations are similarly those made at 0900 UTC (4 pm LST, 5 pm station time).The maximum wind gust is in the 24 hours to 1 am local standard time.

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 Casey, Antarctica 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 Antarctica 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 Casey, Antarctica, look at the tables for Casey or Casey (The Tunnel).

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.