Mawson, Antarctica
September 2025 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Mo-24.0-14.6  0.0SE9117:25-23.328 SE67991.1-22.428 SE72989.1
2Tu-23.6-11.4  0.0SE13513:58-14.633 SE100975.1-13.178 SE102973.6
3We-15.8-10.3  1.5SE12601:40-12.454 SE78982.5-11.545 SE74981.4
4Th-14.6-8.0  0.0SE13905:19-10.350 SE106963.6-10.659 SSE83960.8
5Fr-16.0-9.4  8.8SSE12800:53-11.737 SSW6961.5-12.240 S39967.0
6Sa-19.1-9.1  3.9SE9122:39-15.439 SE63976.5-13.640 SE43982.4
7Su-16.6-6.7  0.0SE15217:57-9.746 SE87980.0-8.139 SE117974.6
8Mo-10.5-4.6  0.0SE15715:49-8.841 SSE115960.4-5.928 SE122954.9
9Tu-9.1-5.3  4.4SE13123:01-6.537 SE91972.5-6.534 SE87977.6
10We-11.0-9.2  0.0SE8023:58-10.545 SE39992.4-11.451 SSE33992.9
11Th-20.5-14.3  8.5SSE6306:50-18.439 SSE35997.2-15.441 ESE15998.9
12Fr-20.0-13.0  0.8SE9322:58-17.142 ESE11997.8-14.741 SE39996.0
13Sa-18.2-12.0  0.0SE13920:18-13.270 ESE80986.0-13.283 ESE83979.0
14Su-13.9-11.9  0.0SE12023:11-12.879 ESE72979.2-12.973 ESE57978.8
15Mo-15.5-11.1  8.5SE10623:07-14.443 SE57981.8-12.646 ESE43983.4
16Tu-19.1-12.7  10.4S6719:41-17.340 Calm983.1-14.139 SSE9982.8
17We-23.4-17.7  8.5SE8721:43-20.943 SE35982.2-20.042 SE56983.8
18Th-22.7-10.4  0.9 11316:30-18.761 Calm979.5-16.937 SW76977.8
19Fr-19.1-7.8  0.0 12615:50-10.652   973.5-8.542   974.1
20Sa-11.5-6.7  0.2 11301:03-9.771   982.9-7.361 ESE33986.8
21Su-18.4-13.3  9.2SE9421:01-17.962 SSE59978.9-14.446 SE54979.6
22Mo-19.0       -18.947 SE72985.1-15.4432ESE37987.5
Statistics for the first 22 days of September 2025
Mean-17.3-10.5  3.1   -14.248  58980.1-12.8472 60980.1
Lowest-24.0-17.7  0.0   -23.328 Calm960.4-22.4282SSE9954.9
Highest-9.1-4.6  10.4SE157 -6.579 SSE115997.8-5.9832SE122998.9
Total    65.6               

IDCJDW9202.202509   Prepared at 10:00 UTC on Monday 22 September 2025

Source of data

Observations were drawn from Mawson {station 300001}.

"9 am" observations are those made at 0300 UTC. This is equivalent to 7 am Local Standard Time, but 9 am according to the time used by most people at the station. "3 pm" observations are similarly those made at 0900 UTC (1 pm LST, 3 pm station time). The maximum wind gust is in the 24 hours to 10 pm 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 Mawson, 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 Mawson, Antarctica, look at the tables for Mawson.

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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