Last updated: February 25, 2025
Situated off the coast of Australia, Phillip Island in September experiences a vibrant transition into spring, characterized by mild temperatures with a maximum of 23°C (74°F) and an average of 12°C (54°F). The island's weather can be quite variable, as it sees about 87 mm (3.4 in) of precipitation spread over 15 days, leading to a humidity level of 77%. Visitors can expect a mix of sunny days and occasional rain, making it a dynamic time to explore the island's scenic beauty and unique wildlife.
As September rolls in on Phillip Island, Australia, temperatures begin to rise gently from the chilly winter months. With minimums averaging around 6°C (44°F) and maximums reaching a comfortable 23°C (74°F), the weather offers a delightful transition into spring. This month marks an increase in both day length and warmth, with the average temperature hovering at 12°C (54°F)—a notable shift from the cooler winter averages. As the landscape awakens with blooming flora, visitors can enjoy pleasant days that invite outdoor exploration, making September an inviting time to experience the island's natural beauty and vibrant wildlife.
In September, Phillip Island experiences a notable shift in its precipitation patterns, with 87 mm (3.4 in) of rainfall spread across 15 days. This period marks a decrease from the wetter months of July and August, which saw the highest rainfall of 80 mm and 101 mm respectively. As winter gives way to spring, September strikes a balance with significant yet moderate rainfall, setting the stage for the upcoming warmer months. The transition reflects a blend of lingering chilly fronts and the early signs of spring warmth, making it an intriguing time for visitors and locals alike to witness the island's vibrant natural transformations.
September in Phillip Island, Australia, marks the beginning of spring with a notable decline in humidity, dipping to 77%. This follows a peak in the winter months, where humidity reached as high as 82% in July. As the seasons transition, September's levels reflect a gradual decrease from the winter highs but still remain elevated compared to the earlier months of the year. The trend of rising humidity from January through August, culminating in a peak, underscores the island's shift to a more temperate and comfortable climate, as October sees a further drop to 71%. Overall, September serves as a turning point, heralding the lighter, fresher air of springtime ahead.
As the seasons transition, September in Phillip Island ushers in a noticeable change in the UV Index, which rises to 7, indicating a high exposure category. This marks a shift from the more moderate levels of UV radiation experienced in the winter months, where burn times averaged around 30 minutes. Now, with a burn time of 25 minutes, sun safety becomes essential as we head towards the warmer months. Looking ahead, the UV Index will continue to climb, reaching 9 in October, suggesting that the summer sun won't be far behind. For those planning outdoor activities, being mindful of the UV levels is crucial. Stay informed and enjoy the beauty of Phillip Island safely by checking the UV Index regularly at Phillip Island UV Index.
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As the seasons begin to shift in Phillip Island, September welcomes a revival of sunshine with 262 hours of radiant light, marking a refreshing change after the cooler months. This month experiences a noticeable increase compared to the previous winter, showcasing a gradual climb from 198 hours in June to a more vibrant landscape of daylight. The trend continues as daylight progressively lengthens through the spring, setting the stage for even brighter days ahead, with October forecasted to bring an impressive 296 hours of sunshine. Observing these patterns, it’s clear that September acts as a bridge between the cooler winter and the sun-drenched summer, inviting both nature and residents to embrace the warm embrace of the sun once more.
As September arrives on Phillip Island, Australia, the likelihood of sunny weather holds steady at 40%, mirroring the sunniness found in both August and October. This month is nestled in a transition period, where the lingering chill of winter starts to give way to the warmth of spring. While January’s optimistic peak suggests a brighter outlook at 37%, September’s hopeful 40% indicates that residents and visitors alike can still expect to bask in the occasional sunshine as they welcome the new season. This consistency in sun chances across late winter and early spring hints at a relatively balanced climate, allowing for enjoyable outdoor activities even as fluctuating temperatures make their presence known.
In September, Phillip Island begins to emerge from the depths of winter, offering a refreshing 11 hours of daylight. This marks a turning point, as daylight gradually increases from the shorter days of winter, encouraging both locals and visitors to bask in the rejuvenating spring atmosphere. Following the shorter days of July and August, September heralds the return of longer hours, setting the stage for the sunnier months ahead. As the island transitions into October, daylight will expand further, reaching 13 hours, and allowing for even more exploration and enjoyment of its stunning natural landscapes. The gradual lengthening of days in September symbolizes the promise of warmer weather and outdoor adventures on the horizon.
As September arrives in Phillip Island, the winds start to pick up, with an average speed of 6.5 m/s (15 mph), making it one of the breezier months of the year. This slight increase follows a steady upward trend observed in the winter months, particularly in July and August, where average wind speeds reach their peak at 6.7 m/s (15 mph) and 6.4 m/s (14 mph), respectively. Notably, as spring approaches, September’s winds signal a refreshing shift, transitioning from the cooler gusts of winter. Interestingly, the wind speeds in September maintain a higher average compared to the earlier months of the year, reflecting a seasonal aspiration towards warmth and inviting more outdoor exploration. Whether it's a gentle breeze or a spirited gust, the September winds play a pivotal role in shaping the island's invigorating atmosphere.
The weather in Phillip Island 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 Phillip Island and find detailed weather information for every month.
September and January present contrasting weather conditions on Phillip Island. In September, temperatures range from a cool minimum of 6°C (44°F) to a comfortable maximum of 23°C (74°F), with an average of 12°C (54°F). The month experiences significant precipitation, with 87 mm (3.4 in) spread over 15 days, making it a relatively wet month accompanied by higher humidity levels at 77%. In contrast, January enjoys much warmer weather, featuring a minimum temperature of 12°C (55°F) and soaring to a high of 35°C (95°F), with an average temperature of 19°C (67°F). This month also sees much less rainfall, only 44 mm (1.7 in) over just 5 days, along with lower humidity at 64%. For a detailed look at January weather on Phillip Island, visit Phillip Island weather in January.
September and February exhibit notable differences in weather patterns. In September, temperatures range from a cool minimum of 6°C (44°F) to a comfortable maximum of 23°C (74°F), with an average of 12°C (54°F). The month sees considerable precipitation, averaging 87 mm (3.4 in) over 15 days, and higher humidity at 77%. In contrast, February experiences warmer conditions, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 35°C (95°F), averaging 19°C (66°F). The month is drier, with only 56 mm (2.2 in) of rain occurring over just 7 days, and humidity drops to a more comfortable 65%. For more details, you can check Phillip Island weather in February.
September and March present distinct weather patterns that reflect the transition between seasons. In September, temperatures range from a cool minimum of 6°C (44°F) to a more comfortable average of 12°C (54°F), peaking at 23°C (74°F). The month experiences significant precipitation, with 87 mm (3.4 in) over about 15 days, accompanied by relatively high humidity at 77%. In contrast, March sees a warmer climate, with minimum temperatures around 11°C (51°F) and an average of 18°C (66°F), escalating to a maximum of 35°C (95°F). Precipitation decreases to 53 mm (2.1 in) over only 8 days, and humidity drops slightly to 70%. For more details about the weather in March, you can check Phillip Island weather in March.
When comparing the weather in September to that in April, one can observe clear differences in temperature and precipitation patterns. September experiences cooler temperatures with an average of 12°C (54°F), while April is warmer, averaging 16°C (61°F). Additionally, September has a wider range of temperatures, with a maximum of 23°C (74°F), compared to April's maximum of 28°C (82°F). Precipitation in September is slightly higher at 87 mm (3.4 in) over 15 days, whereas April sees less rain at 69 mm (2.7 in) over 10 days. Both months maintain relatively high humidity levels, with September at 77% and April at 75%. For more detailed insights on April weather, you can explore Phillip Island weather in April.
When comparing the weather in September and May, we notice that both months have similar maximum temperatures, peaking at around 23°C (73°F to 74°F). However, September tends to be slightly cooler overall, with average temperatures around 12°C (54°F), compared to May's average of 14°C (57°F). Precipitation is also a bit higher in May, with 97 mm (3.8 in) over 13 days, as opposed to September's 87 mm (3.4 in) over 15 days. Humidity levels remain high in both months, with September at 77% and May slightly higher at 79%. For more detailed information, you can check out Phillip Island weather in May.
When comparing the weather in September and June, we see notable differences. September tends to be warmer, with maximum temperatures reaching up to 23°C (74°F), whereas June's highs cap at a cooler 17°C (64°F). Both months feature similar average temperatures, but September experiences more significant temperature variation throughout the day. Precipitation is higher in September at 87 mm (3.4 in) over 15 days compared to June's 71 mm (2.8 in) over 12 days, indicating that September is wetter overall. While the humidity is fairly close in both months, September has slightly lower humidity at 77% compared to June's 81%. For more detailed insights on June weather, you can refer to Phillip Island weather in June.
Comparing the weather in September and July reveals some notable differences. September tends to be warmer, with average temperatures ranging from a minimum of 6°C (44°F) to a maximum of 23°C (74°F), contrasting with July's cooler climate, which has a minimum of 5°C (42°F) and a maximum of 16°C (61°F). Additionally, September experiences slightly higher precipitation, totaling 87 mm (3.4 in) over 15 days, compared to July's 80 mm (3.2 in) over 16 days. Humidity levels are also marginally lower in September at 77%, compared to 82% in July. For more details on July's weather, you can visit Phillip Island weather in July.
In comparing the weather between September and August, September typically offers slightly warmer conditions, with average temperatures rising to 12°C (54°F) compared to August's 11°C (52°F). The maximum temperature in September reaches 23°C (74°F), a notable increase from August's 19°C (66°F). However, September experiences slightly more precipitation, with 87 mm (3.4 in) falling over 15 days, while August sees 101 mm (4.0 in) over 18 days. Humidity levels are also marginally lower in September at 77%, compared to 80% in August. For more insights into the weather during this month, you can check Phillip Island weather in August.
September and October exhibit a gradual transition in weather patterns. In September, temperatures range from a minimum of 6°C (44°F) to a maximum of 23°C (74°F), with an average of 12°C (54°F). The month experiences 87 mm (3.4 in) of precipitation over 15 days and has a higher humidity level of 77%. In contrast, October sees slightly warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 28°C (83°F), averaging at 14°C (57°F). Precipitation decreases to 81 mm (3.2 in) spread over 13 days, and humidity drops to 71%. For more details on October weather conditions, check out Phillip Island weather in October.
When comparing the weather in September to that of November, we observe a noticeable increase in temperature. September experiences a minimum of 6°C (44°F) and an average of 12°C (54°F), while November boasts a higher minimum of 9°C (48°F) and an average of 16°C (61°F). The maximum temperature in November can reach an impressive 32°C (90°F), compared to September's maximum of 23°C (74°F). Additionally, November has less precipitation, with only 65 mm (2.6 in) over 10 days, whereas September sees 87 mm (3.4 in) across 15 days. Humidity levels also decrease slightly from 77% in September to 71% in November, indicating drier conditions. For more detailed information, you can visit Phillip Island weather in November.
In September, temperatures range from a chilly minimum of 6°C (44°F) to a pleasant maximum of 23°C (74°F), with an average of 12°C (54°F). The month sees quite a bit of rain, totaling 87 mm (3.4 in) over about 15 days, and humidity levels are relatively high at 77%. In contrast, December offers warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a scorching maximum of 37°C (99°F), and an average of 17°C (64°F). This month is generally drier, receiving only 66 mm (2.6 in) of precipitation over 8 days, and humidity drops to 67%. For more detailed insights into December weather, check out Phillip Island weather in December.
As September unfolds on Phillip Island, the weather serves as a refreshing transition from winter's chill to spring's warmth. With average temperatures settling around 12°C (54°F), this month presents a pleasant mix of comfortable days and cooler evenings, making it ideal for outdoor activities. However, September is also noted for its increased precipitation, with about 15 days of rain contributing to a relatively humid atmosphere, averaging at 77%. Unlike the drier summer months, these showers ensure that the landscape begins to bloom, highlighting the island's vibrant natural beauty. For those planning a visit, understanding September's unique climate nuances is essential for a fulfilling experience. Discover more about what to expect by checking out Phillip Island Climate.