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Australia weather

Weather in Horsham for September 2026

Your guide to Horsham weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Horsham is slightly cooler than the historical average by 1.2 °C.

  • The forecast for the next days in Horsham predicts temperatures to be around 17 °C, close to the historical average.

  • In general, the average temperature in Horsham at the beginning of September is 17 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18 °C by the end of September.

    • Rain 🌧️

  • Horsham experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 25.2 mm.

    • More

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

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/5°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Horsham Weather September

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

Temperatures trend during September in Horsham

See the weather trend as well as the moving average line

September weather in Horsham day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 17° /7° 1.1 mm 5
2 Sept. Sunny
Sunny
 16° /5° 0.3 mm 5
3 Sept. Sunny
Sunny
 16° /5° 0.7 mm 4
4 Sept. Moderate rain at times
Moderate rain at times
 17° /4° 2.8 mm 5
5 Sept. Patchy rain possible
Patchy rain possible
 16° /6° 3.6 mm 4
6 Sept. Overcast
Overcast
 19° /6° 0.6 mm 5
7 Sept. Moderate rain
Moderate rain
 18° /7° 5.7 mm 5
8 Sept. Light rain shower
Light rain shower
 15° /4° 1.1 mm 5
9 Sept. Light drizzle
Light drizzle
 15° /4° 0.4 mm 5
10 Sept. Patchy rain possible
Patchy rain possible
 15° /5° 0.5 mm 4
11 Sept. Sunny
Sunny
 17° /4° 0.5 mm 5
12 Sept. Sunny
Sunny
 18° /5° 0.1 mm 5
13 Sept. Partly cloudy
Partly cloudy
 19° /7° 1.5 mm 5
14 Sept. Sunny
Sunny
 19° /6° 0 mm 6
15 Sept. Patchy rain possible
Patchy rain possible
 13° /6° 0.2 mm 4.7
16 Sept. Sunny
Sunny
 13° /3° 0 mm 6.3
17 Sept. Sunny
Sunny
 16° /3° 0 mm 6.8
18 Sept. Sunny
Sunny
 20° /6° 0 mm 7
19 Sept. Sunny
Sunny
 23° /9° 0 mm 7
20 Sept. Sunny
Sunny
 17° /6° 0.2 mm 6
21 Sept. Sunny
Sunny
 16° /4° 0 mm 6
22 Sept. Overcast
Overcast
 18° /6° 0 mm 5
23 Sept. Overcast
Overcast
 19° /10° 0 mm 6
24 Sept. Overcast
Overcast
 24° /8° 0.3 mm 6
25 Sept. Light rain shower
Light rain shower
 13° /4° 1.9 mm 4
26 Sept. Overcast
Overcast
 12° /5° 0 mm 5
27 Sept. Overcast
Overcast
 11° /4° 0 mm 4
28 Sept. Mist
Mist
 21° /5° 0.1 mm 6
29 Sept. Sunny
Sunny
 23° /5° 0.4 mm 6
30 Sept. Sunny
Sunny
 22° /7° 1.9 mm 6
Next
Important Notice
Our weather forecast for Horsham 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 Horsham forecast closer to your planned date for the most up-to-date weather information.
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Horsham in September - FAQ

What are the expected maximum and minimum temperatures in Horsham during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Horsham during September?
In September, Horsham can expect light to moderate rainfall, totaling 25.2 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Horsham during September?
The average wind speed in Horsham during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Horsham

Explore the daily rainfall trends and prepare for Horshams September weather 💧
Typically, Horsham has 6 rainy days in September with a total of 25.2 mm of rainfall.

UV exposure in Horsham during September

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

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Location coordinates Where is Horsham?

Get accurate weather forecasts for Horsham, located at latitude -36.711 and longitude 142.2. Stay updated with localized weather information tailored for Horsham.

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