World Resorts Australia Perth Weather

Perth weather in September

Weather in Perth: September

Average day temperature: 65.6°F
Average night temperature: 54.5°F
Sea water temperature: 63.4°F
Number of sunny days: 15 days
Day length: 11.4 - 12.4 hours
Number of rainy days: 4 days
Precipitation totals: 1.6 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 75°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during September were 67.1°F and 55.5°F.

Sea water temperature in Perth in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
57
59
61
63
65
67
69
71

The average sea water temperature in September of 2024 was 63.7°F. The highest and lowest sea temperatures during the month were 65.1°F and 62.2°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
47%
27%
27%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.7
1.4
2.0
2.7
3.4
4.1
4.7
1.0
3.7
4.0
3.2
2.1
1.0
1.3
3.7
4.0
3.2
2.1

Precipitation total value in Perth in September is 1.3 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.0
4.1
6.1
8.2
10.2
12.2
14.3
16.3
11.9
11.3
10.8
11.0
11.1
9.7
9.5
9.6
10.5
11.0
11.7
11.9
11.3
10.8
10.3
11.0
11.1
9.7
9.5
9.6
10.5
11.0
11.7

The average wind speed value in September is 10.3 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.1
4.3
6.4
8.6
10.7
12.9
15.0
12.2
10.6
8.9
5.9
4.6
5.2
6.9
8.4
9.9
11.6
12.5
12.2
10.6
8.9
7.7
5.9
4.6
5.2
6.9
8.4
9.9
11.6
12.5

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.7.

Best time for vacation in Perth

Sunniest months:
January 26 days
December 26 days
February 23 days
Warmest months:
February 85.2 °F
January 84.9 °F
March 81.7 °F
Warmest sea temp:
February 74.5 °F
January 74.0 °F
March 73.7 °F
Coldest months:
July 62.2 °F
August 63.0 °F
June 63.9 °F
Rainiest months:
July 6 days
June 5 days
August 5 days
Windiest months:
December 10.9 mph
January 10.8 mph
November 10.6 mph

Perth on a weather map

Leaflet | Tiles © Esri
Places in Australia:
Name
°F
+68°F
+68°F
+70°F
+79°F
+61°F
+77°F
+68°F
+61°F
+66°F
+57°F
+70°F
24 Hours Forecast
Perth
Local time: 08:05
April 25, friday
0900
61°F
NW
7 mph
1200
68°F
N
7 mph
1500
70°F
NE
9 mph
1800
66°F
N
12 mph
2100
63°F
NW
11 mph
April 26, saturday
0000
61°F
W
11 mph
0300
59°F
W
9 mph
0600
59°F
W
9 mph
Units of measurement: °C / °F