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Clarence Valley (Grafton)
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Australia weather

Weather in Clarence Valley for September 2026

Your guide to Clarence Valley weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Clarence Valley at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 26.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Clarence Valley in September is notably wet, with an average of 11 rainy days, and a total of 40.2 mm of precipitation.

    • More

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

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/10°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Clarence Valley Weather September

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

Temperatures trend during September in Clarence Valley

See the weather trend as well as the moving average line

September weather in Clarence Valley day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
 25° /10° 0 mm 7
2 Sept. Partly cloudy
Partly cloudy
 25° /11° 1.2 mm 7
3 Sept. Sunny
Sunny
 22° /9° 0 mm 6
4 Sept. Light rain shower
Light rain shower
 23° /9° 3.3 mm 7
5 Sept. Mist
Mist
 26° /9° 0.2 mm 7
6 Sept. Sunny
Sunny
 24° /10° 0.7 mm 7
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 27° /9° 5.1 mm 7
8 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 28° /11° 1.4 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
 24° /10° 0.2 mm 7
10 Sept. Cloudy
Cloudy
 23° /10° 0 mm 6
11 Sept. Cloudy
Cloudy
 21° /9° 0 mm 6
12 Sept. Partly cloudy
Partly cloudy
 20° /8° 6.9 mm 6
13 Sept. Mist
Mist
 22° /10° 0.1 mm 6
14 Sept. Fog
Fog
 23° /9° 0 mm 6
15 Sept. Mist
Mist
 23° /9° 0 mm 6
16 Sept. Sunny
Sunny
 26° /8° 0 mm 7
17 Sept. Sunny
Sunny
 27° /9° 0 mm 8
18 Sept. Sunny
Sunny
 28° /10° 0 mm 8
19 Sept. Mist
Mist
 29° /10° 0 mm 7
20 Sept. Sunny
Sunny
 28° /11° 2.2 mm 8
21 Sept. Sunny
Sunny
 29° /11° 0 mm 8
22 Sept. Overcast
Overcast
 24° /10° 0.5 mm 7
23 Sept. Patchy rain possible
Patchy rain possible
 23° /9° 0.1 mm 7
24 Sept. Patchy rain possible
Patchy rain possible
 25° /9° 0 mm 7
25 Sept. Partly cloudy
Partly cloudy
 28° /10° 0 mm 8
26 Sept. Cloudy
Cloudy
 29° /11° 3.2 mm 8
27 Sept. Sunny
Sunny
 26° /12° 4.3 mm 7
28 Sept. Light rain shower
Light rain shower
 23° /13° 7.1 mm 7
29 Sept. Mist
Mist
 27° /13° 2.7 mm 7
30 Sept. Sunny
Sunny
 29° /13° 1 mm 8
Next
Important Notice
Our weather forecast for Clarence Valley 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 Clarence Valley forecast closer to your planned date for the most up-to-date weather information.
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Clarence Valley in September - FAQ

What are the expected maximum and minimum temperatures in Clarence Valley during September?

Enjoy moderate daytime temperatures of up to 25° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Clarence Valley during September?

In September, Clarence Valley can expect light to moderate rainfall, totaling 40.2 mm across approximately 11 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Clarence Valley during September?

The average wind speed in Clarence Valley during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Clarence Valley

Explore the daily rainfall trends and prepare for Clarence Valleys September weather 💧
Typically, Clarence Valley has 11 rainy days in September with a total of 40.2 mm of rainfall.

UV exposure in Clarence Valley during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Clarence Valley?

Get accurate weather forecasts for Clarence Valley, located at latitude -29.681 and longitude 152.934. Stay updated with localized weather information tailored for Clarence Valley.

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