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Australia weather

Weather in Kalgoorlie for September 2025

Your guide to Kalgoorlie weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Kalgoorlie is slightly cooler than the historical average by -1.6 °C.

  • The forecast for the coming days of September 2025 predicts a temperature of 25.4 °C , which is warmer than usual.

  • In general, the average temperature in Kalgoorlie at the beginning of September is 21 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 29 °C by the end of September.

    • Rain 🌧️

  • With an average of 2 rainy days, Kalgoorlie experiences minimal rainfall in September.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
28
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/9°
Temperatures
Average wind speed
30 km/h
Avg max wind
Average humidity
44 %
Avg humidity

Kalgoorlie Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
22°
2
Sunny
23°
3
Cloudy
28°
4
Sunny
21°
5
Patchy rain possible
19°
6
Sunny
16°
7
Partly cloudy
18°
8
Sunny
18°
9
Overcast
20°
10
Partly cloudy
20°
11
Overcast
20°
12
Sunny
24°
13
Sunny
26°
14
Sunny
23°
15
Patchy rain possible
16°
16
Sunny
17°
17
Sunny
22°
18
Sunny
21°
19
Sunny
22°
20
Sunny
23°
21
Sunny
23°
22
Sunny
23°
23
Sunny
25°
24
Sunny
28°
25
Sunny
31°
26
Sunny
32°
27
Sunny
33°
28
Sunny
32°
29
Sunny
23°
30
Partly cloudy
24°

Temperatures trend during September in Kalgoorlie

See the weather trend as well as the moving average line

September weather in Kalgoorlie day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 22° /8° 0 mm 7
2 Sept. Sunny
Sunny
 23° /9° 0 mm 8
3 Sept. Cloudy
Cloudy
 28° /13° 0 mm 8
4 Sept. Sunny
Sunny
 21° /12° 2.1 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
 19° /8° 0.1 mm 6
6 Sept. Sunny
Sunny
 16° /6° 0.2 mm 6
7 Sept. Partly cloudy
Partly cloudy
 18° /6° 0.1 mm 7
8 Sept. Sunny
Sunny
 18° /7° 0 mm 6
9 Sept. Overcast
Overcast
 20° /8° 0 mm 6
10 Sept. Partly cloudy
Partly cloudy
 20° /8° 0 mm 7
11 Sept. Overcast
Overcast
 20° /7° 0 mm 6
12 Sept. Sunny
Sunny
 24° /9° 0 mm 7
13 Sept. Sunny
Sunny
 26° /10° 0 mm 8
14 Sept. Sunny
Sunny
 23° /11° 0 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 16° /7° 0 mm 5
16 Sept. Sunny
Sunny
 17° /5° 0 mm 1.7
17 Sept. Sunny
Sunny
 22° /8° 0 mm 1.8
18 Sept. Sunny
Sunny
 21° /9° 0 mm 1.9
19 Sept. Sunny
Sunny
 22° /8° 0 mm 1.8
20 Sept. Sunny
Sunny
 23° /10° 0 mm 2.1
21 Sept. Sunny
Sunny
 23° /11° 0 mm 6
22 Sept. Sunny
Sunny
 23° /11° 0 mm 6
23 Sept. Sunny
Sunny
 25° /11° 0 mm 6
24 Sept. Sunny
Sunny
 28° /14° 0 mm 7
25 Sept. Sunny
Sunny
 31° /16° 0 mm 7
26 Sept. Sunny
Sunny
 32° /17° 0 mm 8
27 Sept. Sunny
Sunny
 33° /14° 0 mm 7
28 Sept. Sunny
Sunny
 32° /18° 0 mm 8
29 Sept. Sunny
Sunny
 23° /14° 0 mm 6
30 Sept. Partly cloudy
Partly cloudy
 24° /12° 0 mm 7
Next
Important Notice
Our weather forecast for Kalgoorlie 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 Kalgoorlie forecast closer to your planned date for the most up-to-date weather information.
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Kalgoorlie in September - FAQ

What are the expected maximum and minimum temperatures in Kalgoorlie during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Kalgoorlie during September?
Rainfall in Kalgoorlie during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Kalgoorlie during September?
The average wind speed in Kalgoorlie during September is 30 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Kalgoorlie

Explore the daily rainfall trends and prepare for Kalgoorlies September weather 💧

UV exposure in Kalgoorlie during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Kalgoorlie?

Get accurate weather forecasts for Kalgoorlie, located at latitude -30.746 and longitude 121.474. Stay updated with localized weather information tailored for Kalgoorlie.

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