Rottnest Island, Western Australia
| Date | Day | Temps | Rain | Evap | Sun | Max wind gust | 9 am | 3 pm | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Dir | Spd | Time | Temp | RH | Cld | Dir | Spd | MSLP | Temp | RH | Cld | Dir | Spd | MSLP | |||||
| °C | °C | mm | mm | hours | km/h | local | °C | % | 8th | km/h | hPa | °C | % | 8th | km/h | hPa | |||||
| 1 | Tu | 12.5 | 17.1 | 1.0 | S | 56 | 00:04 | 15.3 | 60 | ESE | 15 | 1025.3 | 15.6 | 54 | S | 15 | 1023.9 | ||||
| 2 | We | 14.2 | 18.3 | 0 | WSW | 39 | 13:29 | 16.4 | 55 | WSW | 17 | 1023.1 | 18.1 | 66 | WNW | 24 | 1021.3 | ||||
| 3 | Th | 13.0 | 18.9 | 2.8 | WNW | 69 | 20:00 | 15.3 | 92 | N | 17 | 1019.5 | 18.5 | 66 | NW | 30 | 1015.7 | ||||
| 4 | Fr | 14.1 | 19.0 | 5.8 | W | 69 | 03:44 | 16.9 | 64 | SW | 39 | 1017.9 | 17.1 | 61 | SW | 24 | 1019.3 | ||||
| 5 | Sa | 14.3 | 18.6 | 0 | NW | 57 | 12:40 | 16.2 | 66 | NNW | 28 | 1018.9 | 17.4 | 75 | N | 33 | 1014.5 | ||||
| 6 | Su | 13.0 | 16.9 | 11.8 | SSE | 76 | 04:38 | 14.2 | 77 | SSE | 44 | 1023.0 | 16.3 | 63 | SE | 35 | 1023.8 | ||||
| 7 | Mo | 12.1 | 18.3 | 0 | S | 56 | 18:23 | 14.7 | 73 | ESE | 17 | 1029.1 | 17.1 | 79 | SSW | 39 | 1026.0 | ||||
| 8 | Tu | 13.4 | 19.0 | 0 | E | 48 | 21:39 | 15.7 | 67 | ESE | 22 | 1032.2 | 18.6 | 54 | SSE | 22 | 1029.6 | ||||
| 9 | We | 11.5 | 20.5 | 0 | E | 57 | 04:07 | 13.5 | 64 | E | 37 | 1031.9 | 20.0 | 50 | E | 28 | 1027.3 | ||||
| 10 | Th | 13.4 | 20.9 | 0 | ENE | 46 | 07:24 | 15.5 | 61 | ENE | 31 | 1024.7 | 20.7 | 54 | SE | 13 | 1020.5 | ||||
| 11 | Fr | 15.2 | 23.3 | 0 | NNE | 50 | 07:33 | 17.5 | 66 | NNE | 35 | 1017.2 | 21.1 | 73 | NW | 24 | 1013.6 | ||||
| 12 | Sa | 15.7 | 19.8 | 0.8 | WSW | 61 | 04:40 | 17.7 | 64 | WSW | 28 | 1017.3 | 18.8 | 54 | W | 19 | 1018.1 | ||||
| 13 | Su | 14.8 | 19.9 | 0 | WNW | 43 | 16:37 | 18.3 | 57 | WNW | 17 | 1021.4 | 18.6 | 57 | WNW | 22 | 1020.6 | ||||
| 14 | Mo | 13.8 | 19.9 | 0 | SE | 50 | 21:51 | 17.0 | 73 | ESE | 13 | 1025.7 | 19.0 | 69 | S | 31 | 1022.5 | ||||
| 15 | Tu | 14.2 | 21.5 | 0.2 | ESE | 46 | 01:55 | 17.5 | 67 | ESE | 20 | 1024.8 | 20.1 | 77 | S | 24 | 1022.0 | ||||
| 16 | We | 17.0 | 27.8 | 0 | E | 35 | 01:16 | 20.1 | 68 | NE | 17 | 1023.4 | 25.7 | 55 | SSE | 13 | 1019.2 | ||||
| 17 | Th | 18.2 | 22.8 | 0 | N | 48 | 10:35 | 21.7 | 68 | N | 31 | 1015.7 | 20.7 | 82 | WNW | 24 | 1015.0 | ||||
| 18 | Fr | 16.1 | 0 | 18.7 | 77 | NNE | 26 | 1013.8 | 20.8 | 78 | NNW | 39 | 1011.3 | ||||||||
| Statistics for the first 18 days of September 2026 | |||||||||||||||||||||
| Mean | 14.2 | 20.1 | 16.8 | 67 | 25 | 1022.5 | 19.1 | 64 | 25 | 1020.2 | |||||||||||
| Lowest | 11.5 | 16.9 | 0 | 13.5 | 55 | ESE | 13 | 1013.8 | 15.6 | 50 | # | 13 | 1011.3 | ||||||||
| Highest | 18.2 | 27.8 | 11.8 | SSE | 76 | 21.7 | 92 | SSE | 44 | 1032.2 | 25.7 | 82 | # | 39 | 1029.6 | ||||||
| Total | 22.4 | ||||||||||||||||||||
IDCJDW6118.202609 Prepared at 08:20 UTC on Friday 18 September 2026
Source of data
Observations were drawn from Rottnest Island {station 009193}.
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 Rottnest Island, Western Australia are also here on this web site:
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 Aug 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 Rottnest Island, Western Australia, look at the tables for Rottnest Island or Rottnest Island Lighthouse.
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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