Last updated: February 25, 2025
September in Portarlington, Australia brings a refreshing transition into spring. With a maximum temperature reaching a pleasant 23°C (74°F), the days gradually warm up, while the average settles around 12°C (54°F), and the nights can dip to a cool 6°C (43°F). However, the month also sees about 57 mm (2.3 in) of precipitation spread over 11 days, making early spring both colorful and cozy. Humidity levels hover at 76%, contributing to the lush, vibrant landscapes that define this charming coastal town. For those seeking mild weather and the beauty of nature awakening, September is a delightful time to visit Portarlington.
In September, Portarlington, Australia transitions into spring, bringing a gentle warmth to the region. With minimum temperatures averaging around 6°C (43°F), the crisp mornings gradually give way to comfortable daytime highs of 23°C (74°F). The average temperature rises to a pleasant 12°C (54°F), signaling a welcome shift from the cool, damp winter months. This month marks the beginning of more temperate conditions, encouraging outdoor activities and the blossoming of local flora, while still retaining a touch of the briskness experienced in the chilly preceding months. As the climate warms, the delightful change in weather invites both locals and visitors to explore the natural beauty of Portarlington.
In September, Portarlington experiences a notable continuation of its mild and somewhat wet climate, with precipitation amounting to 57 mm (2.3 in) over 11 days. This marks an increase compared to the previous month, aligning with the trend of late winter and early spring precipitation averages. The consistent rainfall sets the stage for the vibrant blooms of spring, while the slightly higher precipitation than January through August suggests that September serves as a transition month, gradually paving the way for an even wetter October. This rhythm of rainfall not only enriches the landscape but also enhances the local ecosystem's vitality, making it a beautiful time for nature enthusiasts to explore the region.
In September, Portarlington experiences a humidity level of 76%, marking a gradual decline from the peak 80% in the preceding winter months. This period, nestled between the wetter winter and the drier spring, showcases a subtle transition in the climate. After a summer spike in humidity starting at 65% in January and steadily rising to 80% by May, there's a noticeable softening in moisture as the year progresses. With September's humidity dipping slightly below August's 79%, residents can look forward to a more refreshing environment, though still saturated enough to remind them of the lingering coastal warmth. As the year moves into October, humidity continues to retreat towards a more comfortable 72%, foreshadowing the drier months ahead.
As summer fades and September arrives in Portarlington, Australia, residents and visitors can expect a notable shift in UV exposure. With a UV Index of 7, categorized as high, this month marks a transition from the extreme levels experienced earlier in the year. The burn time increases slightly to 25 minutes, allowing for a bit more outdoor time with care. This change signals the need for sun protection as the weather begins to warm up, making it essential to stay vigilant. As we move into October, the UV Index will rise again, highlighting the importance of protective measures throughout the year. For more detailed insights, check out Portarlington UV Index.
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September in Portarlington, Australia, offers a welcome return to brighter days with an impressive 263 hours of sunshine—a noticeable uptick from the winter months. After experiencing the lowest sunshine in June with just 194 hours, the sun begins to make its robust comeback, ushering in the spring season. While September's hours are fewer than those enjoyed in the summer months, they serve as a gentle reminder of the warmth ahead. The trend of increasing sunshine continues into October, gradually reaching a peak in November with 303 hours, as residents and visitors alike relish the outdoor activities that bloom with the sunshine. With each passing month, Portarlington transitions more into a sun-kissed paradise, making September a delightful precursor to the vibrant days that follow.
In September, Portarlington, Australia, enjoys a 42% chance of sunny weather, reflecting a delightful transition into spring. This slightly increases from the 41% chance in August, indicating a promising trend towards brighter days as the seasons shift. As the year progresses, the sunniest months tend to be at the beginning and end of the year, with December peaking at 48%. September's sunny disposition serves as an inviting precursor to the warm, radiant days ahead, making it an ideal time for outdoor activities and enjoying the awakening of nature.
As September unfolds in Portarlington, Australia, daylight begins to rejuvenate, marking a gentle transition from the winter's embrace. The days stretch to 11 hours, offering a delightful balance of sunlight as the region prepares to welcome spring. Following the shorter days of winter, September’s increase hints at the upcoming longer daylight periods of October and November, which boast 13 and 14 hours, respectively. This gradual ascent in daylight not only brightens the landscape but also invigorates the local flora and fauna, setting the scene for vibrant spring activity after the more subdued months of June and July. It's a time of renewal, where each hour of daylight brings promise and warmth back to the sun-kissed shores of Portarlington.
In September, Portarlington experiences a noticeable uptick in wind activity, with an average wind speed of 6.4 m/s (14 mph). This marks a gentle but significant rise from the preceding months, where wind speeds hovered around 5.2 to 6.1 m/s. As winter fades, the winds begin to breathe life into the coastal air, creating a refreshing atmosphere that hints at the warmer months to come. The trend towards higher speeds in September not only sets the stage for more dynamic weather but also invites locals and visitors alike to embrace the outdoors, from sailing to leisurely seaside strolls.
The weather in Portarlington 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 Portarlington and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures range from a cool minimum of 6°C (43°F) to a comfortable maximum of 23°C (74°F), with an average of 12°C (54°F). The month also sees moderate rainfall of 57 mm (2.3 in) over about 11 days and a higher humidity of 76%. In stark contrast, January boasts warmer temperatures, with a minimum of 14°C (57°F) and a maximum reaching up to 34°C (93°F), averaging 20°C (68°F). This month experiences less rainfall, totaling 41 mm (1.6 in) over just 7 days, along with lower humidity levels of 65%. For more detailed information, you can check Portarlington weather in January.
When comparing the weather in September and February, there are notable differences in temperature and humidity. September experiences cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 23°C (74°F), while February showcases much warmer conditions, ranging from a minimum of 13°C (55°F) to a maximum of 36°C (96°F). Additionally, February has lower humidity at 67% compared to September's 76%, creating a drier feel during the hotter month. Precipitation levels are fairly similar, with September receiving 57 mm (2.3 in) over 11 days and February seeing 52 mm (2.0 in) across 8 days. For more detailed information, you can check Portarlington weather in February.
In comparing the weather between September and March, notable differences emerge. September experiences cooler temperatures, with minimums around 6°C (43°F) and maximums reaching 23°C (74°F), while March boasts warmer averages, with lows of 11°C (53°F) and highs peaking at 30°C (87°F). Precipitation is relatively moderate in both months, with September receiving 57 mm (2.3 in) over 11 days, compared to March's 43 mm (1.7 in) over just 8 days. Additionally, September tends to be slightly more humid, averaging 76%, while March's humidity sits around 71%. For more detailed insights, you can check Portarlington weather in March.
In comparing the weather between September and April, we observe notable differences in temperature and precipitation patterns. September features a minimum temperature of 6°C (43°F) and an average of 12°C (54°F), while April enjoys a milder climate with a minimum of 10°C (50°F) and an average of 16°C (61°F). The maximum temperatures also reflect this trend, with September reaching 23°C (74°F) compared to April's warmer 26°C (80°F). Both months experience similar levels of precipitation—57 mm (2.3 in) in September and 56 mm (2.2 in) in April—but April sees slightly fewer rainy days, with rain occurring on 8 days versus 11 days in September. Overall, April tends to be warmer and drier than September. For more detailed insights, check out Portarlington weather in April.
When comparing the weather in September and May, there are some notable differences. September typically sees a slightly wider temperature range, with average highs reaching up to 23°C (74°F) and lows around 6°C (43°F). In contrast, May has a milder temperature profile, with minimum temperatures at 8°C (46°F) and maximums at 22°C (72°F). Precipitation is quite similar in both months, with September receiving 57 mm (2.3 in) and May seeing a slightly higher total of 66 mm (2.6 in), although both months share the same number of rainy days at 11. Humidity levels tend to be a bit higher in May, averaging 80% compared to 76% in September. For more detailed insights, check out Portarlington weather in May.
In comparing the weather between September and June, September offers a wider temperature range, with minimums of 6°C and maximums reaching 23°C, providing a warmer average of 12°C. In contrast, June is cooler, with temperatures ranging from a minimum of 5°C to a maximum of 16°C and an average of 11°C. Both months experience similar levels of precipitation, around 57-58 mm, spread over approximately 10-11 rainy days. However, September is slightly less humid at 76% compared to June's 80%, which can make September feel a bit more comfortable. For a detailed look at June's weather, you can visit Portarlington weather in June.
When comparing the weather in September and July, September generally offers warmer temperatures, with average highs reaching 23°C (74°F) compared to July’s maximum of 16°C (61°F). Notably, September also sees higher average temperatures overall, with evening lows around 6°C (43°F) against July's 5°C (42°F). However, September experiences slightly more precipitation, totaling 57 mm (2.3 in) over 11 days, in contrast to July’s 41 mm (1.6 in) over the same number of days. Humidity levels are relatively similar, with September at 76% and July at 80%. For a detailed look at July weather specifics, you can visit Portarlington weather in July.
In comparing the weather of September to that of August, we see several notable differences. September boasts a higher average temperature of 12°C (54°F) compared to August's 11°C (52°F), with maximum temperatures reaching up to 23°C (74°F) versus August's peak of 18°C (65°F). Although both months experience similar total precipitation levels—57 mm (2.3 in) in September and 57 mm (2.2 in) in August—the rain falls over fewer days in September (11 days) compared to August (13 days). Humidity levels are slightly lower in September at 76%, while August maintains a humidity of 79%. For a detailed look at August's weather patterns, visit Portarlington weather in August.
In September, temperatures gradually begin to cool, with a minimum of 6°C and an average of 12°C, while the maximum can reach 23°C. This month sees about 57 mm of precipitation over 11 days, accompanied by a relatively high humidity level of 76%. In contrast, October brings slightly warmer temperatures, with a minimum of 9°C and an average of 14°C, peaking at 26°C. Precipitation increases to 71 mm over 12 days, but the humidity decreases marginally to 72%. For more detailed insights into the weather, you can visit Portarlington weather in October.
In September, temperatures typically range from a minimum of 6°C (43°F) to a maximum of 23°C (74°F), with an average of 12°C (54°F). The month experiences about 57 mm (2.3 in) of precipitation over 11 days, while humidity sits at 76%. In contrast, November showcases a warmer climate, with minimum temperatures rising to 9°C (48°F), maximums reaching 31°C (89°F), and an average of 16°C (61°F). Although November sees slightly higher precipitation at 65 mm (2.6 in) over the same number of days, humidity decreases to 72%. For more specific details on November's weather, check out Portarlington weather in November.
In September, the weather can be quite mild, with temperatures ranging from a low of 6°C (43°F) to a maximum of 23°C (74°F) and an average of 12°C (54°F). This month also experiences higher humidity at 76%, with precipitation totaling 57 mm (2.3 in) over about 11 days. In contrast, December brings warmer temperatures, with a minimum of 10°C (51°F), an average of 18°C (64°F), and a peak of 35°C (95°F). Despite slightly more precipitation at 61 mm (2.4 in) over fewer days (8), the humidity drops to 69%, making December feel more comfortable overall. For more detailed information, check out Portarlington weather in December.
As September unfolds in Portarlington, it brings a refreshing transition from the cooler winter months to milder spring conditions. The average temperatures begin to rise, offering a pleasant change with warmer days and cooler nights, making outdoor activities more inviting. However, increased humidity and scattered precipitation hint at the lingering influence of winter, resulting in about 11 wet days throughout the month. This blend of pleasant warmth and occasional rain sets September apart, marking it as a time of renewal where nature starts to bloom. For more detailed climate insights, explore Portarlington Climate.