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Weather in Hamilton Island for September 2026

Your guide to Hamilton Island weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Hamilton Island is slightly cooler than the historical average by 0.9 °C.

  • The forecast for the next days in Hamilton Island predicts temperatures to be around 22 °C, close to the historical average.

  • In general, the average temperature in Hamilton Island at the beginning of September is 22 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 22 °C by the end of September.

    • Rain 🌧️

  • Hamilton Island experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 19.9 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
22°/21°
Temperatures
Average wind speed
30 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Hamilton Island Weather September

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

Temperatures trend during September in Hamilton Island

See the weather trend as well as the moving average line

September weather in Hamilton Island day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 22° /20° 0.7 mm 7
2 Sept. Cloudy
Cloudy
 22° /20° 0 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 0.2 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 0.4 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0.5 mm 6
6 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0.9 mm 6
7 Sept. Light rain shower
Light rain shower
 22° /20° 1.1 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0.8 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 1.1 mm 6
10 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0.3 mm 7
11 Sept. Light rain shower
Light rain shower
 23° /21° 0.8 mm 5
12 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 0.5 mm 7
13 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 0.6 mm 6
14 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 3 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 1.3 mm 6
16 Sept. Light rain shower
Light rain shower
 22° /20° 1.5 mm 7
17 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 1 mm 6
18 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0.3 mm 6
19 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0 mm 7
20 Sept. Patchy rain possible
Patchy rain possible
 23° /20° 0 mm 7
21 Sept. Sunny
Sunny
 23° /20° 0.3 mm 7
22 Sept. Patchy rain possible
Patchy rain possible
 23° /21° 0 mm 6
23 Sept. Sunny
Sunny
 22° /21° 0.7 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0.9 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 1.1 mm 5
26 Sept. Sunny
Sunny
 23° /21° 0.1 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0.6 mm 11.2
28 Sept. Sunny
Sunny
 22° /21° 0.3 mm 11.3
29 Sept. Patchy rain possible
Patchy rain possible
 22° /21° 0.8 mm 9.1
30 Sept. Patchy rain possible
Patchy rain possible
 21° /21° 0.5 mm 9.2
Next
Important Notice
Our weather forecast for Hamilton Island 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 Hamilton Island forecast closer to your planned date for the most up-to-date weather information.
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Hamilton Island in September - FAQ

What are the expected maximum and minimum temperatures in Hamilton Island during September?
During September, expect a variety of temperatures with highs around 22° and lows near 21°, suitable for diverse activities and preferences.

How much rainfall should be expected in Hamilton Island during September?
Expect minimal rainfall in Hamilton Island during September, with a total of 19.9 mm over approximately 6 days. This minimal precipitation is unlikely to significantly impact plans.

What are the typical wind conditions in Hamilton Island during September?
The average wind speed in Hamilton Island during September is 30 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Hamilton Island

Explore the daily rainfall trends and prepare for Hamilton Islands September weather 💧
Typically, Hamilton Island has 6 rainy days in September with a total of 19.9 mm of rainfall.

UV exposure in Hamilton Island during September

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

Quick links

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Location coordinates Where is Hamilton Island?

Get accurate weather forecasts for Hamilton Island, located at latitude -20.346 and longitude 148.952. Stay updated with localized weather information tailored for Hamilton Island.

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