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Australia weather

Weather in Katoomba for September 2026

Your guide to Katoomba weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Katoomba has been nearly identical to the historical average, with a temperature of 20 °C (showing only a slight deviation of 0.3 °C).

  • The forecast for the next days in Katoomba predicts temperatures to be around 19 °C, close to the historical average.

  • In general, the average temperature in Katoomba at the beginning of September is 19.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.6 °C by the end of September.

    • Rain 🌧️

  • Katoomba experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 53.8 mm.

    • More

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

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/4°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Katoomba Weather September

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

Temperatures trend during September in Katoomba

See the weather trend as well as the moving average line

September weather in Katoomba day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 19° /3° 0 mm 4
2 Sept. Fog
Fog
 19° /5° 0 mm 5
3 Sept. Partly cloudy
Partly cloudy
 18° /4° 0.1 mm 5
4 Sept. Sunny
Sunny
 20° /5° 0 mm 5
5 Sept. Overcast
Overcast
 22° /5° 0 mm 5
6 Sept. Patchy rain possible
Patchy rain possible
 18° /6° 0 mm 5
7 Sept. Partly cloudy
Partly cloudy
 22° /6° 0 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
 19° /9° 0.2 mm 5
9 Sept. Patchy rain possible
Patchy rain possible
 19° /7° 2.5 mm 4
10 Sept. Sunny
Sunny
 17° /1° 12 mm 5
11 Sept. Partly cloudy
Partly cloudy
 18° /3° 1.6 mm 5
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /2° 4.5 mm 5
13 Sept. Partly cloudy
Partly cloudy
 19° /1° 0 mm 6
14 Sept. Overcast
Overcast
 20° /5° 0 mm 6
15 Sept. Cloudy
Cloudy
 19° /4° 0.3 mm 5
16 Sept. Sunny
Sunny
 19° /4° 0 mm 6
17 Sept. Sunny
Sunny
 19° /0° 0.3 mm 6
18 Sept. Sunny
Sunny
 22° /2° 0 mm 6
19 Sept. Sunny
Sunny
 23° /6° 0.7 mm 6
20 Sept. Sunny
Sunny
 21° /4° 0.1 mm 5
21 Sept. Sunny
Sunny
 21° /4° 0.7 mm 5
22 Sept. Overcast
Overcast
 19° /4° 0 mm 5
23 Sept. Fog
Fog
 22° /9° 0.6 mm 6.8
24 Sept. Fog
Fog
 24° /12° 3.2 mm 6.4
25 Sept. Sunny
Sunny
 27° /12° 0 mm 7.5
26 Sept. Sunny
Sunny
 28° /14° 0.3 mm 7.9
27 Sept. Light rain shower
Light rain shower
 13° /6° 3.6 mm 3
28 Sept. Light rain shower
Light rain shower
 7° /6° 10.8 mm 3
29 Sept. Patchy rain possible
Patchy rain possible
 9° /6° 0.1 mm 3
30 Sept. Overcast
Overcast
 22° /8° 5.5 mm 6
Next
Important Notice
Our weather forecast for Katoomba 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 Katoomba forecast closer to your planned date for the most up-to-date weather information.
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Katoomba in September - FAQ

What are the expected maximum and minimum temperatures in Katoomba during September?
During September, expect a variety of temperatures with highs around 20° and lows near 4°, suitable for diverse activities and preferences.

How much rainfall should be expected in Katoomba during September?
Moderate rainfall is anticipated in Katoomba during September, with a total of 53.8 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Katoomba during September?
The average wind speed in Katoomba during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Katoomba

Explore the daily rainfall trends and prepare for Katoombas September weather 💧
Typically, Katoomba has 9 rainy days in September with a total of 53.8 mm of rainfall.

UV exposure in Katoomba during September

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

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Location coordinates Where is Katoomba?

Get accurate weather forecasts for Katoomba, located at latitude -33.72 and longitude 150.307. Stay updated with localized weather information tailored for Katoomba.

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