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Weather in Perth for September 2027

Your guide to Perth weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Perth at the beginning of September is 16.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Perth in September is notably wet, with an average of 12 rainy days, and a total of 83.9 mm of precipitation.

    • More

  • Is September a good time to visit Perth? check out the best time to travel to Perth page.

  • ✨ Is September a good time to visit Perth? – Ask the AI Weatherman

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/8°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Perth Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
15°
2
Moderate rain
16°
3
Light rain
15°
4
Patchy rain possible
15°
5
Overcast
18°
6
Patchy rain possible
19°
7
Light rain
19°
8
Patchy rain possible
17°
9
Patchy rain possible
16°
10
Light rain
14°
11
Patchy rain possible
14°
12
Patchy rain possible
14°
13
Patchy rain possible
14°
14
Light rain
15°
15
Light rain
16°
16
Partly cloudy
15°
17
Patchy rain possible
15°
18
Patchy rain possible
16°
19
Sunny
16°
20
Light rain
15°
21
Patchy rain possible
15°
22
Partly cloudy
16°
23
Light rain
14°
24
Light rain
13°
25
Light rain
13°
26
Light rain shower
13°
27
Moderate rain
12°
28
Patchy rain possible
12°
29
Patchy rain possible
13°
30
Light rain shower
13°

Temperatures trend during September in Perth

See the weather trend as well as the moving average line

September weather in Perth day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain
Light rain
 15° /10° 3.5 mm 3
2 Sept. Moderate rain
Moderate rain
 16° /9° 7.2 mm 3
3 Sept. Light rain
Light rain
 15° /9° 5.2 mm 3
4 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 1.1 mm 3
5 Sept. Overcast
Overcast
 18° /8° 0 mm 3
6 Sept. Patchy rain possible
Patchy rain possible
 19° /10° 1.3 mm 4
7 Sept. Light rain
Light rain
 19° /11° 2.6 mm 4
8 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 1.2 mm 4
9 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 1.4 mm 3
10 Sept. Light rain
Light rain
 14° /7° 6.4 mm 2
11 Sept. Patchy rain possible
Patchy rain possible
 14° /7° 0.3 mm 3
12 Sept. Patchy rain possible
Patchy rain possible
 14° /6° 1.2 mm 2
13 Sept. Patchy rain possible
Patchy rain possible
 14° /5° 2.3 mm 2
14 Sept. Light rain
Light rain
 15° /7° 7.4 mm 2
15 Sept. Light rain
Light rain
 16° /9° 2.7 mm 3
16 Sept. Partly cloudy
Partly cloudy
 15° /7° 0.4 mm 3.3
17 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 1.5 mm 3
18 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 1 mm 3
19 Sept. Sunny
Sunny
 16° /9° 0.6 mm 3
20 Sept. Light rain
Light rain
 15° /8° 3.5 mm 3
21 Sept. Patchy rain possible
Patchy rain possible
 15° /7° 0.2 mm 2
22 Sept. Partly cloudy
Partly cloudy
 16° /8° 0.2 mm 2.9
23 Sept. Light rain
Light rain
 14° /5° 4.6 mm 2.8
24 Sept. Light rain
Light rain
 13° /5° 7 mm 2
25 Sept. Light rain
Light rain
 13° /6° 2.5 mm 2.7
26 Sept. Light rain shower
Light rain shower
 13° /7° 2 mm 2
27 Sept. Moderate rain
Moderate rain
 12° /6° 12.5 mm 2
28 Sept. Patchy rain possible
Patchy rain possible
 12° /4° 0.1 mm 2
29 Sept. Patchy rain possible
Patchy rain possible
 13° /4° 1.7 mm 2
30 Sept. Light rain shower
Light rain shower
 13° /9° 2.4 mm 2
Next
Important Notice
Our weather forecast for Perth in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Perth forecast closer to your planned date for the most up-to-date weather information.
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Perth in September - FAQ

What are the expected maximum and minimum temperatures in Perth during September?
During September, expect a variety of temperatures with highs around 15° and lows near 8°, suitable for diverse activities and preferences.

How much rainfall should be expected in Perth during September?
Moderate rainfall is anticipated in Perth during September, with a total of 83.9 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Perth during September?
The average wind speed in Perth during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Perth

Explore the daily rainfall trends and prepare for Perths September weather 💧
Typically, Perth has 12 rainy days in September with a total of 83.9 mm of rainfall.
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Location coordinates Where is Perth?

Get accurate weather forecasts for Perth, located at latitude 56.395 and longitude -3.431. Stay updated with localized weather information tailored for Perth.

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