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 Calm991.1-8.276 NNE19990.5
4Fr-11.5-5.70 0.0E4400:03-8.765 NNE22991.9-9.170 NNE13990.8
5Sa-9.9-5.90 0.0E11923:25-6.059 E61977.4-7.670 E83971.5
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 ESE15976.0-12.656 S26972.4
10Th-20.5-15.80 2.0ENE2815:43-16.769 E9982.3-17.666 NE17984.8
11Fr-22.2-15.50 0.3E3122:03-16.970 ENE15989.6-16.368 E13989.0
12Sa-22.7 0 0.0E15000:07-20.155 S17977.9-15.648 S19970.6
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 6.9NNE4302:39-15.968 NNE20983.7-15.868 ESE15984.2
16We-19.5-14.80 0.2NW3523:52-15.877 NE19986.1-15.871 SE22983.9
17Th-19.3-9.20  NE4102:33-18.776 NE24974.4-19.673 NNE19969.7
18Fr-20.4-5.0  0.0ENE12611:45-9.586 E104945.9-8.881 E98948.4
19Sa-10.2-8.70.2 0.0E10004:31-9.555 SSW17967.3-9.182 NNE7969.6
20Su-17.7-15.32.0 5.5SSE3521:58-16.676 S9974.8-16.971 SSE13974.6
21Mo-24.0-16.10 9.4S4605:04-21.355 SSE22972.9-16.253 Calm972.5
22Tu-21.6-8.20 0.0ENE4319:40-19.778 S15978.7-16.777 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 W39975.3-6.068 W56981.2
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   -12.369  32976.6-11.670  35975.5
Lowest-24.0-16.10 0.0   -21.336 Calm945.9-19.646 Calm948.4
Highest-9.2-3.52.0 9.4E178 -6.087 E128995.0-5.787 E113993.6
Total  4.6 39.2               

IDCJDW9203.202609   Prepared at 13:04 UTC on Wednesday 14 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.