Port Lincoln
September
Weather in Port Lincoln for September 2025
Your guide to Port Lincoln weather in September - trends and predictions
Until now, September 2025 in Port Lincoln is slightly cooler than the historical average by -0.9 °C.
The forecast for the upcoming days in Port Lincoln predicts a temperature of 18.6 °C, which is slightly above the historical average.
In general, the average temperature in Port Lincoln at the beginning of September is 17.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.7 °C by the end of September.
Port Lincoln experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 35.7 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
17°/11°
Temperatures
28 km/h
Avg max wind
66 %
Avg humidity
Port Lincoln Weather September
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Temperatures trend during September in Port Lincoln
See the weather trend as well as the moving average line
September weather in Port Lincoln day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 16° /10° | 0.7 mm | 5 | |
| 2 Sept. |  Partly cloudy | 17° /9° | 0 mm | 6 | |
| 3 Sept. |  Overcast | 18° /10° | 1 mm | 6 | |
| 4 Sept. | Patchy rain possible | 18° /11° | 3.1 mm | 5 | |
| 5 Sept. | Patchy rain possible | 18° /12° | 1.8 mm | 5 | |
| 6 Sept. |  Cloudy | 21° /11° | 2.2 mm | 6 | |
| 7 Sept. | Patchy rain possible | 15° /10° | 10.8 mm | 5 | |
| 8 Sept. | Light rain shower | 16° /10° | 0.7 mm | 5 | |
| 9 Sept. | Partly cloudy | 15° /8° | 3.3 mm | 5 | |
| 10 Sept. | Cloudy | 15° /9° | 2.2 mm | 5 | |
| 11 Sept. |  Sunny | 16° /10° | 0.2 mm | 5 | |
| 12 Sept. | Sunny | 17° /10° | 0 mm | 6 | |
| 13 Sept. | Cloudy | 18° /11° | 0 mm | 6 | |
| 14 Sept. | Partly cloudy | 21° /11° | 0.2 mm | 6 | |
| 15 Sept. | Cloudy | 16° /9° | 0 mm | 5 | |
| 16 Sept. | Patchy rain possible | 15° /10° | 1.7 mm | 1.4 | |
| 17 Sept. | Patchy rain possible | 16° /9° | 0.1 mm | 1.4 | |
| 18 Sept. | Sunny | 20° /9° | 0 mm | 1.5 | |
| 19 Sept. | Patchy rain possible | 17° /11° | 1 mm | 1.4 | |
| 20 Sept. | Patchy rain possible | 15° /11° | 0.2 mm | 4 | |
| 21 Sept. | Patchy rain possible | 16° /13° | 0.3 mm | 4 | |
| 22 Sept. | Patchy rain possible | 16° /11° | 0.3 mm | 4 | |
| 23 Sept. | Sunny | 17° /10° | 0 mm | 5 | |
| 24 Sept. | Sunny | 18° /11° | 0 mm | 5 | |
| 25 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
| 26 Sept. | Sunny | 21° /12° | 0 mm | 6 | |
| 27 Sept. | Sunny | 25° /14° | 0 mm | 6 | |
| 28 Sept. | Sunny | 22° /14° | 0 mm | 6 | |
| 29 Sept. | Partly cloudy | 23° /14° | 0 mm | 6 | |
| 30 Sept. | Partly cloudy | 24° /12° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Port Lincoln 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 Port Lincoln forecast closer to your planned date for the most up-to-date weather information.
Change Month
Port Lincoln in September - FAQ
What are the expected maximum and minimum temperatures in Port Lincoln during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Port Lincoln during September?
In September, Port Lincoln can expect light to moderate rainfall, totaling 35.7 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Port Lincoln during September?
The average wind speed in Port Lincoln during September is 28 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Port Lincoln
Explore the daily rainfall trends and prepare for Port Lincolns September weather 💧
UV exposure in Port Lincoln during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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