Last updated: February 26, 2025
In September, Port Douglas experiences a delightful transition into spring, with average temperatures hovering around 22°C (72°F). Visitors can expect pleasant maximums of 25°C (78°F), while nights cool down to a comfortable minimum of 16°C (61°F). The region enjoys a humidity level of 72%, creating a refreshing atmosphere ideal for outdoor activities. Despite an average precipitation of 39 mm (1.5 in) spread over 10 days, rain showers are typically brief, allowing ample opportunity to explore the stunning landscapes and vibrant marine life. Whether you're enjoying a stroll along the famous Four Mile Beach or venturing into the lush Daintree Rainforest, September is an inviting time to discover all that Port Douglas has to offer.
In September, Port Douglas experiences a gentle transition as temperatures begin to rise after the cooler winter months. With a minimum temperature of 16°C (61°F) and an average of 22°C (72°F), the climate remains pleasantly mild. The maximum reaches 25°C (78°F), signaling the approach of the warmer summer season. This shift is characterized by a continual increase from the cooler averages observed during the winter months of June and July, making September an ideal time for visitors looking to enjoy outdoor activities in comfortable weather, without the peak summer heat. As the month progresses, the region starts to bloom, inviting exploration of its stunning landscapes under increasingly inviting skies.
In September, Port Douglas experiences a gentle transition in precipitation patterns, with 39 mm (1.5 in) of rain over about 10 days. This marks a slight increase from the sparse August, which recorded just 35 mm (1.4 in), hinting at the gradual shift towards the wetter months ahead. The frequency of rain continues to decline from the earlier months of the year, showcasing a distinct seasonal evolution. As the region prepares for October's anticipated rainfall, nature begins to awaken, setting the stage for increased greenery and vibrant landscapes in this tropical paradise. The drier days of winter give way to an invigorating spring, reminding visitors that even in September, Port Douglas remains a beautiful, dynamic destination.
In September, Port Douglas experiences a humidity level of 72%, marking a slight decline from the more humid months of winter. This drop continues the trend observed since the peak levels of March, when humidity reached 83%. As the year progresses, the tropical climate shifts towards drier conditions, with September showcasing a refreshing break from the high humidity typical of the earlier months. The transition into spring brings an increase in warmth, with humidity gradually rising again into the summer months, as seen in October and November. Overall, September serves as a bridge between the lingering humidity of winter and the more vibrant conditions of the approaching summer, making it a comfortable time to enjoy the beauty of Port Douglas.
In September, Port Douglas continues to experience high UV levels, with the UV Index reaching 14, placing it firmly in the extreme exposure category, where a burn time of just 10 minutes is recommended. This trend of high UV exposure remains consistent, as the region has seen similar levels throughout the year, particularly from January to April and again in August. Following September, the UV Index remains high into the final quarter of the year, peaking again in October and November. With such intense sunlight, staying sun-safe is crucial for residents and visitors alike. For more detailed information, check the Port Douglas UV Index.
UV Risk Categories
As September rolls into Port Douglas, Australia, the region basks in an impressive 295 hours of sunshine, marking a notable peak in the year’s daylight journey. This vibrant month continues the upward trend from the winter months, where August already showcased a generous 289 hours. The gradual light increase hints at the arrival of spring, inviting locals and visitors alike to revel in the warmer, sun-drenched days ahead. Following September, October and November promise even brighter days, with hours ascending to 320 and 322, respectively. This captivating pattern not only enriches the landscape but also amplifies the allure of Port Douglas as a premier destination for sun-seekers looking to bask in nature’s glow.
In September, Port Douglas embraces the transition towards sunnier days, with a 41% likelihood of sun that hints at the warming weather ahead. This slight dip from the peak summer months signifies an inviting blend of comfortable temperatures and ample daylight. As the year progresses, the chances of sunny weather generally increase, following a pattern that sees May (the last cool month) at 58% and October climbing to 56%. Thus, September serves as a delightful prelude to the vibrant October sunshine, making it an ideal time for travelers looking to enjoy the burgeoning warmth of Australia's tropical paradise.
In September, Port Douglas, Australia, enjoys a delightful 11 hours of daylight, continuing the trend established during the cooler months. As the year transitions from winter to spring, the daylight duration remains steady, reflecting a shift away from the longer days of summer. This consistent hour of sunlight provides ample opportunity for both locals and visitors to explore the stunning landscapes and vibrant marine life that the region is famous for. In the months leading up to September, daylight gradually shortened from the peak of 12 hours in January through April, before stabilizing. As October approaches, the days will once again begin to lengthen, foreshadowing the return of summer brightness.
As September arrives in Port Douglas, the breezy embrace of the season is unmistakable, with average wind speeds climbing to 4.7 m/s (10 mph). This uptick marks a noticeable shift from the lighter winds of the preceding months, particularly the calm of February and July, where speeds dipped to around 2.5 m/s (6 mph). The spring transition brings a refreshing vigor, following August's own boost to 4.1 m/s (9 mph), indicating a trend of increasing winds that peaks just in time for the vibrant spring atmosphere of September. This gentle yet invigorating breeze enhances the charm of outdoor activities, inviting both locals and travelers to fully enjoy the stunning coastal vistas and lush landscapes.
The weather in Port Douglas 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 Port Douglas and find detailed weather information for every month.
In September, the weather tends to be milder with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 25°C (78°F), accompanied by 39 mm (1.5 in) of precipitation over about 10 days and a humidity level of 72%. In contrast, January brings much warmer conditions, with temperatures averaging between 23°C (74°F) and 33°C (92°F), significantly higher rainfall of 496 mm (19.5 in) over 22 days, and a humidity increase to 79%. This stark difference highlights how September offers a comfortable transition into spring, while January is characterized by hot, wet summer weather. For more details, check out Port Douglas weather in January.
When comparing the weather in September and February, significant differences are evident. September tends to be milder, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 25°C (78°F) and an average humidity of 72%. Rainfall is relatively light, totaling 39 mm (1.5 in) over about 10 days. In contrast, February experiences much warmer conditions, with temperatures averaging between 22°C (72°F) and soaring up to 34°C (94°F). Precipitation is also substantially higher in February, with 326 mm (12.8 in) expected over approximately 21 days, leading to an increase in humidity to around 81%. For more detailed insights on the conditions you can expect, check Port Douglas weather in February.
In comparing the weather of September and March, notable differences emerge. September features milder temperatures, with a minimum of 16°C (61°F) and an average of 22°C (72°F), while March is significantly warmer, showing a minimum of 22°C (72°F) and an average of 26°C (79°F), peaking at 33°C (92°F). Rainfall also varies considerably, as September sees a modest 39 mm (1.5 in) over about 10 days, compared to March, which experiences a hefty 366 mm (14.4 in) spread over 25 days. Furthermore, March tends to have higher humidity levels, averaging at 83% compared to September's 72%. For a deeper insight into the climate specifics of March, you can refer to Port Douglas weather in March.
In comparing September and April weather, September offers milder temperatures with a minimum of 16°C (61°F) and an average of 22°C (72°F), while April sees warmer conditions with minimum temperatures starting at 21°C (70°F) and an average of 25°C (77°F). Precipitation levels differ significantly as well; September experiences lighter rainfall with only 39 mm (1.5 in) across about 10 days, whereas April has a much wetter climate, recording 186 mm (7.3 in) over approximately 21 days. Additionally, humidity levels are slightly higher in April at 80%, compared to 72% in September. For more detailed insights on April's weather, you can check Port Douglas weather in April.
In comparing the weather between September and May, both months exhibit mild temperatures, but May tends to be slightly warmer, with average temperatures reaching around 23°C (73°F) compared to September's 22°C (72°F). The maximum temperatures in May also average higher at 27°C (80°F), compared to September's 25°C (78°F). However, May sees more precipitation, averaging 84 mm (3.3 in) over 16 days, which is significantly higher than September's 39 mm (1.5 in) spread over 10 days. Additionally, humidity levels are slightly elevated in May at 78%, compared to September's 72%. For more details on the weather patterns, you can refer to Port Douglas weather in May.
When comparing the weather in September and June, we notice some interesting differences. September features a slightly warmer average temperature of 22°C (72°F) compared to June's 21°C (70°F), although June has a marginally higher maximum temperature of 26°C (79°F). Precipitation in June is also significantly greater, with 65 mm (2.6 in) falling over about 15 days, while September sees only 39 mm (1.5 in) over 10 days. Additionally, humidity levels are somewhat elevated in June at 78%, compared to September's 72%. For more detailed information on June weather, visit Port Douglas weather in June.
In comparing the weather between September and July, we see some interesting similarities and differences. Both months feature a minimum temperature of 16°C (61°F) and a maximum of 25°C (78°F), but September has a slightly warmer average temperature of 22°C (72°F), compared to July's 21°C (70°F). Precipitation levels are also notable; July receives more rainfall at 64 mm (2.5 in) over 11 days, while September has less at 39 mm (1.5 in) across 10 days. Humidity levels remain quite close, with September at 72% and July at 71%. For a more detailed look at July's conditions, you can refer to Port Douglas weather in July.
In September, the weather experiences a slight cooling compared to August, with average temperatures transitioning from 21°C (70°F) in August to 22°C (72°F). Although both months share a minimum temperature of 16°C (61°F), September reaches a maximum of 25°C (78°F), slightly lower than August's maximum of 27°C (81°F). Precipitation also shows a marginal increase in September with 39 mm (1.5 in) over 10 days, compared to 35 mm (1.4 in) over 7 days in August, while humidity remains relatively consistent, averaging 72% in September versus 75% in August. For a more detailed overview, check out Port Douglas weather in August.
September offers a mild climate with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 25°C (78°F), while October sees a slight increase in warmth, with temperatures between 19°C (66°F) and 29°C (84°F). Both months experience similar humidity levels, but October is slightly warmer on average. Precipitation also increases in October, with a total of 55 mm (2.2 in) over 9 days, compared to 39 mm (1.5 in) over 10 days in September. For more detailed information, check out Port Douglas weather in October.
In September, the weather features milder temperatures, with a minimum of 16°C (61°F) and an average of 22°C (72°F), while max temperatures peak at 25°C (78°F). This month experiences moderate humidity levels at 72% and a total precipitation of 39 mm (1.5 in) over approximately 10 days. In contrast, November sees warmer temperatures, with a minimum of 21°C (70°F) and an average reaching up to 25°C (77°F), but max temperatures can soar to 36°C (97°F). The month is also wetter, with 75 mm (3.0 in) of precipitation spread over about 14 days, and humidity remains fairly constant at 74%. For a more detailed look at the climate trends, you can visit Port Douglas weather in November.
In comparing the weather between September and December, we notice significant differences in temperature and precipitation. September experiences a milder climate with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 25°C (78°F), accompanied by relatively low precipitation of 39 mm (1.5 in) over about 10 days. In contrast, December brings warmer conditions, with average temperatures between 23°C (74°F) and a peak of 33°C (91°F), alongside a substantial increase in rainfall, totaling 234 mm (9.2 in) across 18 days. This shift results in a more humid environment during December, with humidity levels reaching 75% compared to September's 72%. For more detailed information on December weather, visit Port Douglas weather in December.
As September arrives in Port Douglas, the weather begins to transition towards warmer conditions, making it a delightful time to visit. With average temperatures gently rising and a noticeable drop in humidity compared to the peak of winter, visitors can enjoy more pleasant outdoor experiences. Although occasional rain showers may occur, the overall precipitation is relatively low, allowing for plenty of sunshine to shine through the clouds. This makes September distinctively different from the cooler, wetter months that precede it, providing a perfect backdrop for those looking to explore the natural beauty of the region. For more detailed information on what to expect, check our comprehensive guide on Port Douglas Climate.