September Weather in Airlie Beach, Australia

Last updated: February 25, 2025

September in Airlie Beach, Australia offers a delightful climate perfect for outdoor enthusiasts. With maximum temperatures reaching 27°C (81°F) and a temperate average of 22°C (71°F), visitors can enjoy pleasant days under the sun. Nights are cool, dipping to a minimum of 16°C (62°F), making it comfortable for evening strolls. Although the area experiences approximately 22 mm (0.9 in) of rainfall over about 5 days, the humidity sits at a moderate 65%, ensuring a refreshing environment. Whether you're exploring the Great Barrier Reef or relaxing on the beach, September presents an inviting window for adventure in this tropical paradise.

September Temperature in Airlie Beach

In September, Airlie Beach starts to transition into warmer spring temperatures. With a minimum temperature of 16°C (62°F), it marks a gradual warming from the cooler winter months. The average temperature rises to a comfortable 22°C (71°F), inviting outdoor activities, while the maximum reaches a pleasant 27°C (81°F). This month showcases a distinct shift, as the area begins to shake off the chilly nights and embrace the more moderate warmth, making it an ideal time to explore the stunning beaches and lush landscapes. Overall, September strikes a delightful balance between the remnants of winter's coolness and the approaching warmth of summer, perfect for both relaxation and adventure.

September Weather in Airlie Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Airlie Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec808180777268686971757780
Data source: Temperature data for Airlie Beach generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Airlie Beach

In September, Airlie Beach enjoys a brief respite from the heavier rains of winter, with precipitation amounting to just 22 mm (0.9 in) over five rainy days. This light rainfall reflects a noticeable decline from the peak moisture levels in the earlier months, particularly January through March, where precipitation can soar above 280 mm. As the region transitions into spring, the drier patterns established in August continue, making September one of the drier months of the year. The subtle shift in weather sets the stage for increased sunshine and pleasant outdoor activities, appealing to both locals and visitors alike.

September Precipitation Trends in Airlie Beach

The chart displays monthly precipitation patterns in Airlie Beach, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec29323728115793313820225545171
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Airlie Beach

As spring approaches in Airlie Beach, September brings a noticeable drop in humidity, averaging 65%, which is among the lowest levels of the year. Following the peak levels of 80% experienced in March, humidity steadily declined, reaching its lowest in July at 63% before gradually increasing again in August. This slight uptick in September indicates a transition period, as the region begins to prepare for the warmer months ahead. The consistent fluctuations throughout the year reveal a dynamic climate, emphasizing the distinct seasonal changes that characterize this beautiful part of Australia.

September Average Humidity in Airlie Beach

This chart illustrates the average monthly humidity levels in Airlie Beach, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec73%77%80%76%73%71%63%71%65%64%66%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Airlie Beach

In September, Airlie Beach, Australia, experiences a UV Index of 12, categorized as extreme, suggesting that outdoor enthusiasts should take precautions during sun exposure, with a burn time of just 10 minutes. As the year progresses from June's high index of 7 to August's index of 11, the sunlight intensifies, positioning September for early spring sun challenges. October soon follows with an even higher UV Index of 14, indicating a consistent trend of increasing sun strength as we move toward the warmer months. For those enjoying the beautiful beach, awareness and protection against UV rays are essential. Discover more about the UV Index throughout the year at Airlie Beach UV Index.

Maximum UV Index Levels in Airlie Beach for September

The chart shows the monthly maximum UV Index (UVI) for Airlie Beach in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161515129781112141516
Data source: Airlie Beach September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Airlie Beach

As September unfolds in Airlie Beach, Australia, it brings with it a dazzling 302 hours of sunshine, marking a notable peak in the annual sunlight trend. Following a consistent increase from August's 296 hours, this month showcases the region's evolving warmth as spring begins to take hold. The sunshine hours rise steadily from the year's low in January and reveal a compelling pattern: each month builds toward the ultimate glow of November, which offers an impressive 332 hours. This inviting atmosphere makes September an ideal time for visitors and locals alike to bask in the beauty of Airlie Beach, enjoying both the vibrant sunshine and the blossoming scenery that accompanies the arrival of spring.

Monthly Sunshine Duration in Airlie Beach: September Highlighted

The September sunshine duration represents the total number of hours Airlie Beach experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec240h269h287h280h278h261h279h296h302h319h332h325h
Data source: Airlie Beach September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Airlie Beach During September

As the seasons transition towards spring, September in Airlie Beach, Australia boasts a promising 62% chance of sunny weather. This represents a continued trend of rising sunshine probabilities from the cooler winter months, with July and August showing robust sunny day percentages at 70% and 61%, respectively. Following the sunny streak, October increases the chances even further, reaching 67%. The gradual ascent from the dampness of winter to the more radiant springtime suggests that September is an excellent month for outdoor adventures, making it an ideal time for visitors to embrace the lush landscape and vibrant atmosphere of this picturesque coastal haven.

Percentage of Sunny Days in September in Airlie Beach

The chart illustrates the percentage of sunny days in Airlie Beach throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Airlie Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%38%46%41%67%53%70%61%62%67%42%56%
Data source: Airlie Beach September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Airlie Beach in September

September in Airlie Beach, Australia, welcomes the arrival of 11 hours of daylight each day, maintaining the steady pattern established in the previous months. As winter gives way to spring, daylight duration begins to stabilize, showcasing a slight recovery from the shorter days of mid-year. This trend continues into October as daylight extends to 12 hours, hinting at the long, sunlit days that await in the coming months. With November and December promising an abundance of sunlight at 13 hours each, September serves as a pleasant reminder of the vibrant sunshine that characterizes the Australian spring and summer months ahead.

Average Daylight Hours in Airlie Beach for September

The chart illustrates the variation in daylight duration in Airlie Beach throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 11m12h 45m12h 10m11h 36m11h 8m10h 54m11h 1m11h 25m11h 58m12h 32m13h 3m13h 19m
Data source: Airlie Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Airlie Beach

As September arrives in Airlie Beach, Australia, the winds begin to pick up just slightly, averaging 5.4 m/s (12 mph)—a gentle invitation to outdoor enthusiasts. Following the quieter July and June months, which saw the lowest wind speeds of the year, September marks a positive shift in the breeze, playing a crucial role in the region’s vibrant spring atmosphere. This moderate increase hints at more dynamic weather patterns ahead, making it an ideal time for sailing and water sports. With the wind continuing to fluctuate throughout the year, September offers a refreshing balance, drawing both locals and visitors to enjoy the stunning coastal views under invigorating conditions.

Average September Wind Speed in Airlie Beach

The chart displays monthly wind speed patterns in Airlie Beach, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.14.65.26.05.94.44.05.15.4 m/s3.94.84.6
Data source: Airlie Beach September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Airlie Beach Compares to Other Months

The weather in Airlie Beach changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Airlie Beach and find detailed weather information for every month.

In September, the weather in Airlie Beach features a milder temperature range with minimums around 16°C (62°F) and maximums peaking at 27°C (81°F). The average temperature hovers around 22°C (71°F), accompanied by relatively low precipitation of 22 mm (0.9 in) over about 5 days, and humidity levels at 65%. In contrast, January brings hotter conditions with minimum temperatures starting at 23°C (74°F) and reaching maximums of 32°C (90°F), averaging at 27°C (80°F). However, this month is characterized by significantly higher rainfall at 293 mm (11.5 in) spread across 19 days, along with increased humidity at 73%. This stark difference highlights September's milder and drier climate compared to the warm and wet conditions of January, particularly in Airlie Beach. For more details, check out Airlie Beach weather in January.

September and February present distinct weather patterns in Airlie Beach, reflecting the transition from late winter to late summer. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 27°C (81°F), with an average of 22°C (71°F). The month experiences relatively low precipitation, totaling 22 mm (0.9 in) over just 5 days, and humidity is around 65%.

In contrast, February is notably warmer, with temperatures starting at a minimum of 22°C (73°F) and peaking at 32°C (89°F), averaging 27°C (81°F). However, it also brings significantly higher rainfall, accumulating 237 mm (9.3 in) over 18 days, and increased humidity at 77%. For a deeper dive into February's weather specifics, check out Airlie Beach weather in February.

When comparing the weather between September and March, significant differences can be observed. September typically experiences milder temperatures, with averages around 22°C (71°F) and a maximum of 27°C (81°F), accompanied by relatively low precipitation of 22 mm (0.9 in) over about 5 days. In contrast, March brings warmer conditions with a minimum of 23°C (73°F) and maximum temperatures reaching 31°C (88°F). However, it also sees a considerable increase in rainfall, averaging 281 mm (11.1 in) over 22 days, alongside higher humidity levels of 80%. This shift underscores the transition from the drier, more temperate September to the wetter and warmer March climate, making it crucial to be prepared for different weather conditions in these months. For more specific insights, you can check Airlie Beach weather in March.

When comparing the weather in September and April, it's evident that April tends to be warmer and wetter. In September, the temperatures range from a minimum of 16°C to a maximum of 27°C, with an average of 22°C. The precipitation during this month is relatively low, totaling 22 mm over five days and a humidity level of 65%. In contrast, April boasts higher temperatures, with a minimum of 18°C and a maximum of 29°C, averaging 25°C. However, this increase in warmth comes with significantly more rainfall, amounting to 157 mm over 20 days, and higher humidity at 76%. For more detailed information, you can check out Airlie Beach weather in April.

When comparing the weather in September and May, both months exhibit similar average temperatures, hovering around 22°C (72°F). However, September tends to be slightly warmer, with maximum temperatures reaching up to 27°C (81°F), while May's highs are usually about 26°C (80°F). Precipitation is notably different; September sees much less rainfall at only 22 mm (0.9 in) over five days, whereas May experiences significantly more precipitation, totaling 93 mm (3.6 in) across 15 days. Additionally, the humidity is higher in May at 72% compared to September's 65%. For more detailed insights, check out Airlie Beach weather in May.

When comparing the weather in September and June, September tends to be slightly warmer, with average temperatures reaching 22°C (71°F) compared to June's average of 20°C (69°F). September also experiences fewer rainy days, with 22 mm (0.9 in) of precipitation over 5 days, while June sees a higher total of 31 mm (1.2 in) spread over 9 days. Additionally, humidity levels are slightly lower in September at 65%, compared to June's 71%, making September feel a bit more comfortable. For a more detailed look, check out the Airlie Beach weather in June.

In comparing the weather of September and July, September demonstrates a slightly warmer climate with average temperatures reaching 22°C (71°F) and maximums peaking at 27°C (81°F), while July has a lower average of 20°C (68°F) and maximums reaching only 25°C (77°F). Precipitation is also less prominent in September, with only 22 mm (0.9 in) over five days, compared to July's 38 mm (1.5 in) spread across six days. Humidity levels remain similar between the two months, with September at 65% and July at 63%. For more detailed information, you can refer to Airlie Beach weather in July.

In comparing the weather of September and August, September tends to be slightly warmer, with average temperatures rising from 20°C (69°F) in August to 22°C (71°F) in September. The maximum temperatures also increase, reaching up to 27°C (81°F) in September compared to August's 25°C (77°F). Additionally, September experiences slightly more precipitation, totaling 22 mm (0.9 in) over about five days, while August sees 20 mm (0.8 in) over just three days. Humidity remains relatively high in both months, although it is marginally lower in September at 65% compared to 71% in August. For a detailed look at August conditions, you can refer to Airlie Beach weather in August.

September and October showcase a gradual transition in weather patterns. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 27°C (81°F), with an average of 22°C (71°F) and a total precipitation of 22 mm (0.9 in) over five days. Humidity sits at 65%. In contrast, October experiences slightly warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (83°F), averaging 24°C (75°F). However, it also brings increased rainfall, totaling 55 mm (2.2 in) over the same five days, while humidity remains relatively stable at 64%. For more detailed information, check out the Airlie Beach weather in October.

In September, the weather features milder temperatures, with averages around 22°C (71°F) and a max of 27°C (81°F), accompanied by relatively low precipitation of 22 mm (0.9 in) over 5 days and humidity at 65%. Conversely, November experiences warmer conditions, with a higher average temperature of 25°C (78°F) and maximums reaching 32°C (90°F), though it also brings increased rainfall, totaling 45 mm (1.8 in) over 10 days, while humidity slightly rises to 66%. For more detailed insights on November weather, you can visit Airlie Beach weather in November.

In September, the weather is generally mild with average temperatures ranging from a minimum of 16°C (62°F) to a maximum of 27°C (81°F), accompanied by moderate humidity of 65%. Precipitation is relatively low, with only 22 mm (0.9 in) spread over 5 days. In contrast, December experiences warmer temperatures, with minimums around 23°C (75°F) and maximums reaching up to 30°C (87°F). This month sees a significant increase in rainfall, totaling 171 mm (6.7 in) over 15 days, and the humidity also rises slightly to 70%. For a detailed overview of December's weather, you can refer to Airlie Beach weather in December.

Compare Airlie Beach's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Airlie Beach

September in Airlie Beach offers a delightful transition into spring, characterized by moderate temperatures and a noticeable reduction in humidity compared to the more oppressive summer months. With pleasant daytime highs around 27°C (81°F) and cooler evenings, this month creates the perfect backdrop for outdoor adventures. Although some rain may grace the area, with an average of 22 mm across about five days, the overall climate remains inviting and comfortable. This tranquil period also marks a departure from the intense heat of summer, making it an ideal time to explore the stunning Whitsundays. For a deeper understanding of the area's weather patterns throughout the year, check out the comprehensive Airlie Beach Climate section.