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Mount Barker
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Australia weather

Weather in Mount Barker for September 2025

Your guide to Mount Barker weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Mount Barker is slightly cooler than the historical average by -0.9 °C.

  • Expect cooler weather in the next days in Mount Barker with the forecast suggesting a temperature of 14.8 °C, lower than the historical average.

  • In general, the average temperature in Mount Barker at the beginning of September is 16.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 15.7 °C by the end of September.

    • Rain 🌧️

  • Mount Barker experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 46.3 mm.

    • More

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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/9°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Mount Barker Weather September

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

Temperatures trend during September in Mount Barker

See the weather trend as well as the moving average line

September weather in Mount Barker day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 14° /8° 0.4 mm 4
2 Sept. Partly cloudy
Partly cloudy
 15° /7° 0.1 mm 5
3 Sept. Sunny
Sunny
 16° /8° 0.3 mm 6
4 Sept. Light rain
Light rain
 17° /9° 2.2 mm 5
5 Sept. Cloudy
Cloudy
 17° /10° 0.3 mm 5
6 Sept. Sunny
Sunny
 21° /10° 3.5 mm 6
7 Sept. Light rain shower
Light rain shower
 17° /8° 13.5 mm 5
8 Sept. Light rain shower
Light rain shower
 14° /8° 6.3 mm 4
9 Sept. Cloudy
Cloudy
 13° /7° 6.7 mm 4
10 Sept. Sunny
Sunny
 15° /7° 1.6 mm 5
11 Sept. Light rain shower
Light rain shower
 15° /7° 0.6 mm 5
12 Sept. Sunny
Sunny
 16° /7° 0 mm 5
13 Sept. Overcast
Overcast
 17° /8° 0 mm 5
14 Sept. Overcast
Overcast
 18° /10° 0.1 mm 5
15 Sept. Mist
Mist
 15° /6° 0 mm 5
16 Sept. Moderate rain
Moderate rain
 13° /10° 5.5 mm 1.4
17 Sept. Patchy rain possible
Patchy rain possible
 13° /9° 0.6 mm 1.2
18 Sept. Sunny
Sunny
 19° /8° 0 mm 1.4
19 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 2.9 mm 1.2
20 Sept. Patchy rain possible
Patchy rain possible
 12° /9° 0.8 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
 14° /10° 0.2 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 0.3 mm 4
23 Sept. Sunny
Sunny
 15° /8° 0 mm 5
24 Sept. Sunny
Sunny
 15° /9° 0 mm 5
25 Sept. Sunny
Sunny
 16° /8° 0 mm 5
26 Sept. Sunny
Sunny
 18° /8° 0.1 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
 11° /9° 0.3 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 13° /6° 0.2 mm 3
29 Sept. Sunny
Sunny
 16° /5° 0 mm 5
30 Sept. Sunny
Sunny
 21° /12° 0.1 mm 7
Next
Important Notice
Our weather forecast for Mount Barker 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 Mount Barker forecast closer to your planned date for the most up-to-date weather information.
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Mount Barker in September - FAQ

What are the expected maximum and minimum temperatures in Mount Barker during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mount Barker during September?
In September, Mount Barker can expect light to moderate rainfall, totaling 46.3 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Mount Barker during September?
The average wind speed in Mount Barker during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Mount Barker

Explore the daily rainfall trends and prepare for Mount Barkers September weather 💧

UV exposure in Mount Barker during September

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

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Location coordinates Where is Mount Barker?

Get accurate weather forecasts for Mount Barker, located at latitude -35.067 and longitude 138.867. Stay updated with localized weather information tailored for Mount Barker.

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