10-day forecast — Perth
Refreshed hourly
Thu · Today · 12 Nov
Sunny
76°
60°
3%
Wind14 mph SW
Gusts23 mph
UV index11 – Very high
Precip chance3%
Sunrise5:10 AM
Sunset6:51 PM
Fri · Tomorrow · 13 Nov
Mostly cloudy
77°
60°
12%
Wind12 mph SW
Gusts20 mph
UV index10 – Very high
Precip chance12%
Sunrise5:09 AM
Sunset6:51 PM
Saturday · 14 Nov
Showers
78°
62°
0.13 in
Wind15 mph SE
Gusts27 mph
UV index9 – Very high
Precip chance62%
Sunrise5:09 AM
Sunset6:52 PM
Sunday · 15 Nov
Partly cloudy
77°
61°
9%
Wind14 mph E
Gusts26 mph
UV index6 – High
Precip chance9%
Sunrise5:08 AM
Sunset6:53 PM
Monday · 16 Nov
Mostly cloudy
78°
60°
7%
Wind14 mph E
Gusts27 mph
UV index8 – Very high
Precip chance7%
Sunrise5:08 AM
Sunset6:54 PM
Tuesday · 17 Nov
Showers
77°
63°
0.09 in
Wind14 mph E
Gusts28 mph
UV index7 – High
Precip chance57%
Sunrise5:07 AM
Sunset6:55 PM
Wednesday · 18 Nov
Sunny
74°
63°
0.01 in
Wind11 mph SW
Gusts19 mph
UV index7 – High
Precip chance36%
Sunrise5:07 AM
Sunset6:56 PM
Thursday · 19 Nov
Sunny
73°
63°
7%
Wind10 mph W
Gusts19 mph
UV index7 – High
Precip chance7%
Sunrise5:06 AM
Sunset6:57 PM
Friday · 20 Nov
Showers
71°
62°
0.01 in
Wind12 mph W
Gusts21 mph
UV index7 – High
Precip chance24%
Sunrise5:06 AM
Sunset6:58 PM
Saturday · 21 Nov
Showers
69°
61°
0.08 in
Wind14 mph SW
Gusts26 mph
UV index6 – High
Precip chance57%
Sunrise5:05 AM
Sunset6:59 PM
Sunday · 22 Nov
Showers
71°
59°
0.05 in
Wind12 mph S
Gusts24 mph
UV index7 – High
Precip chance57%
Sunrise5:05 AM
Sunset7:00 PM
Monday · 23 Nov
Showers
66°
60°
0.61 in
Wind9 mph S
Gusts27 mph
UV index6 – High
Precip chance72%
Sunrise5:05 AM
Sunset7:00 PM
Tuesday · 24 Nov
Sunny
69°
57°
6%
Wind13 mph SW
Gusts23 mph
UV index7 – High
Precip chance6%
Sunrise5:04 AM
Sunset7:01 PM
Wednesday · 25 Nov
Sunny
70°
59°
6%
Wind10 mph SW
Gusts21 mph
UV index7 – High
Precip chance6%
Sunrise5:04 AM
Sunset7:02 PM
About Perth
CountryAustralia
RegionWestern Australia
Population2,384,371
ContinentOceania
Time zoneAustralia/Perth (+08:00)
Latitude-31.9530°
Longitude115.8570°
Air QualityGood (AQI 47)
Details & indices
Wind
6 mph S
Gusts 13 mph
Humidity
71%
Dew point 55°
Pressure
30.09 inHg
Rising
UV index
11 — Very high
High today
Air Quality
Good
AQI 47 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise5:10 AM
Sunset6:51 PM
Length of day13h 41m
Moonrise7:04 AM
Moonset10:08 PM
Moon phase🌔 Waxing Crescent
Local time12:11 AM (+08:00)
Perth climate in September
8-year averages · when to visitBest months: January–May, September–December · September: Good
| August | September | October | |
|---|---|---|---|
| Average temperature | ▲ 57°F | 59°F | ▲ 63°F |
| Typical high | ▲ 64°F | 68°F | ▲ 70°F |
| Typical low | ▲ 50°F | 52°F | ▲ 54°F |
| Water temperature | ▲ 63°F | 64°F | ▲ 67°F |
| Precipitation | ▼ 4.9 in | 2.0 in | ▼ 1.9 in |
| Wet days | ▼ 13 d | 8 d | ▼ 7 d |
| Humidity | ▼ 75% | 72% | → 72% |
| Sunshine per day | ▲ 9.6 h | 10.8 h | ▲ 11.2 h |
| Cloud cover | ▼ 13% | 9% | ▲ 13% |
| Midday UV | ▲ 6 | 8 | ▲ 10 |
| Daylight | 10:59 | 11:54 | 12:53 |
| Our take | Acceptable | Good | Good |
September temperatures day by day daily mean + smoothed trend · °F
September precipitation day by day in
September UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 12:11 AM
Perth, Australia · 31.95°S, 115.86°E · Australia/Perth · Forecast computed for these exact coordinates