Derby, Western Australia
September 2026 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Tu18.638.60  NNW4415:4630.833 ENE111017.735.222 WNW261012.6
2We19.534.90     29.355 NNW61017.933.226 NW261013.0
3Th18.434.50  NW3314:0828.651 NNW171017.430.842 NW201013.0
4Fr18.836.40  NNW4116:4128.252 WNW111017.833.236 NW201012.8
5Sa19.135.60  NNW3716:5627.353 W61017.734.331 NW191012.7
6Su18.834.30  N3517:0928.055 WSW71016.132.739 NNW221011.1
7Mo17.432.60  NNW3515:2926.158 WSW91017.630.944 NNW241012.6
8Tu17.433.40  NW3316:1526.654 SW111017.431.836 NW201012.0
9We16.633.50  NW3111:1325.351 S91015.632.728 NW151011.0
10Th18.035.50  NW3016:5426.964 SW91016.034.624 NW151012.3
11Fr20.736.50  NW4116:2630.540 SSW61017.234.729 NW261013.3
12Sa20.637.50  NW3514:5330.742 SSW151017.335.431 NW281012.2
13Su23.137.10  SSW3111:2428.453 WNW151017.435.728 NW131012.2
14Mo21.838.60  WNW3913:2730.148 SW71016.035.633 WNW241010.6
15Tu25.438.00  NW3715:3730.659 NW151015.736.329 WNW201011.1
16We25.037.00  E4112:1128.770 N91017.334.540 WNW131012.1
17Th20.538.50  ENE5611:3032.335 NNE201016.837.613 E241011.3
18Fr19.636.60  NW3519:3832.134 NNW71017.335.123 WNW221012.1
19Sa23.132.60  WSW3714:5526.863 SW201019.332.032 WSW241016.1
20Su22.037.90  SW3911:3630.340 SW111019.036.919 SW151012.9
21Mo19.337.10  NNW3716:5630.042 W91016.735.734 NW241010.6
22Tu22.535.70  ENE5417:0929.852 WNW91016.034.634 NW201011.2
23We20.137.10     29.257 NNW91016.535.628 WNW241011.4
24Th21.938.00  NW3717:1530.158 WNW131017.037.318 W151011.5
25Fr24.137.90  NW4116:5129.562 WNW111018.137.419 WNW191012.2
26Sa20.937.50  NW3517:1829.660 SW91017.036.824 NW201011.3
27Su22.736.80  NNW3516:1729.854 NW191016.535.519 NNW191011.8
28Mo21.836.90  NW3716:2931.039 SW111018.035.432 NW241013.0
29Tu21.736.90  NW4315:5530.949 S151018.135.134 NNW221012.7
30We22.536.90  NW4415:3330.254 S151016.834.937 NNW241011.8
Statistics for September 2026
Mean20.736.3      29.351  111017.234.729  201012.1
Lowest16.632.60     25.333 #61015.630.813 #131010.6
Highest25.438.60  ENE56 32.370 #201019.337.644 NW281016.1
Total  0.0                 

IDCJDW6035.202609   Prepared at 13:03 UTC on Wednesday 7 October 2026

Source of data

Observations were drawn from Derby Aero {station 003032}.

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 Derby, Western Australia 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 Western Australia 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 Derby, Western Australia, look at the tables for Derby Aero or Derby Post Office.

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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