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Australia weather

Weather in Grafton for September 2026

Your guide to Grafton weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Grafton is slightly warmer than the historical average by 1.1 °C.

  • The forecast for the upcoming days in Grafton predicts a temperature of 26.9 °C, which is slightly above the historical average.

  • In general, the average temperature in Grafton at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 27 °C by the end of September.

    • Rain 🌧️

  • The climate of Grafton 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

Grafton Weather September

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

Temperatures trend during September in Grafton

See the weather trend as well as the moving average line

September weather in Grafton day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 25° /10° 0 mm 6
2 Sept. Sunny
Sunny
 26° /10° 0.9 mm 7
3 Sept. Sunny
Sunny
 24° /9° 0 mm 6
4 Sept. Light rain shower
Light rain shower
 24° /9° 2.5 mm 6
5 Sept. Mist
Mist
 27° /9° 0.2 mm 6
6 Sept. Sunny
Sunny
 26° /10° 0.5 mm 6
7 Sept. Sunny
Sunny
 26° /9° 3.8 mm 7
8 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 27° /11° 1 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
 24° /10° 0.3 mm 6
10 Sept. Overcast
Overcast
 22° /10° 0 mm 6
11 Sept. Cloudy
Cloudy
 21° /9° 0 mm 6
12 Sept. Patchy rain possible
Patchy rain possible
 20° /11° 4.3 mm 5.6
13 Sept. Sunny
Sunny
 23° /10° 0.3 mm 6.5
14 Sept. Sunny
Sunny
 26° /11° 0 mm 7
15 Sept. Sunny
Sunny
 30° /10° 0 mm 6.6
16 Sept. Sunny
Sunny
 20° /12° 0.2 mm 6
17 Sept. Patchy rain possible
Patchy rain possible
 23° /14° 0.6 mm 7
18 Sept. Sunny
Sunny
 26° /13° 0 mm 8
19 Sept. Sunny
Sunny
 31° /12° 0 mm 9
20 Sept. Sunny
Sunny
 29° /15° 0 mm 8
21 Sept. Sunny
Sunny
 32° /14° 0 mm 9
22 Sept. Sunny
Sunny
 31° /13° 0 mm 9
23 Sept. Sunny
Sunny
 31° /14° 0 mm 9
24 Sept. Sunny
Sunny
 33° /13° 1.3 mm 9
25 Sept. Sunny
Sunny
 22° /11° 0.3 mm 7
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 Grafton 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 Grafton forecast closer to your planned date for the most up-to-date weather information.
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Grafton in September - FAQ

What are the expected maximum and minimum temperatures in Grafton 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 Grafton during September?
In September, Grafton 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 Grafton during September?
The average wind speed in Grafton during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Grafton

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

UV exposure in Grafton during September

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

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Location coordinates Where is Grafton?

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

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