Casey, Antarctica
September 2025 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Mo-11.3-9.30.8 0.0E5401:59-10.884 S15980.6-10.581 S24982.7
2Tu-16.5-11.35.4 0.0SSE2603:20-15.279 S13988.7-11.6817NNE13988.5
3We-17.8-14.60 0.9NE5204:43-14.7708NE22983.4-16.676 N15982.9
4Th-18.0-14.80 0.0NE3104:35-16.867 NE15982.7-16.268 ENE7983.8
5Fr-24.0-7.30 0.0ENE8317:35-16.359 NE33992.6-13.283 NW11987.5
6Sa-16.1-10.55.0 0.0S3901:37-12.384 NNE13991.7-11.582 NNE9993.0
7Su-14.2-13.40.2 0.0NNE3102:53-14.1838NE22991.8-14.786 E13991.6
8Mo-24.3-6.40 1.0SSE2203:52-22.169 S9995.6-20.6648SSE11995.9
9Tu-22.1-5.40 0.0E6508:18-8.556 S15987.2-10.077 S11987.3
10We-13.8-9.69.8 0.0SE2814:47-12.1868SE11985.2-10.570 SE17984.3
11Th-15.8-9.91.0 5.7E2601:51-12.3718ESE7979.4-10.0635Calm978.0
12Fr-16.9-13.30.2 0.0NE2809:05-14.5678NNE17985.5-16.1767Calm987.6
13Sa-18.7-14.10 0.0NE3020:06-14.173 NE2988.3-14.983 NNE6987.7
14Su-16.7-14.50.6 0.0NE1108:07-15.775 NE7987.5-15.178 Calm986.5
15Mo-22.4-17.00.6 6.2NE2418:03-19.374 NNE13986.9-21.5761NNE13988.1
16Tu-24.8 0     -20.563 S17985.9-8.467 E39980.5
Statistics for the first 16 days of September 2025
Mean-18.3-11.4  0.9   -15.0728 14987.1-13.8755 11986.6
Lowest-24.8-17.00 0.0   -22.1568NE2979.4-21.5631Calm978.0
Highest-11.3-5.49.8 6.2ENE83 -8.5868NE33995.6-8.4868E39995.9
Total  23.6 13.8               

IDCJDW9203.202509   Prepared at 10:00 UTC on Tuesday 16 September 2025

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:

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 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.