Last updated: February 25, 2025
In Williamstown, Australia, September unfolds with a delightful mix of temperatures, featuring a maximum of 28°C (83°F) and a crisp average of 11°C (53°F), with nights dipping to a chilly minimum of 0°C (32°F). This early spring month welcomes 38 mm (1.5 in) of precipitation over approximately 8 days, contributing to the region's lush landscape. Humidity levels hover around 65%, creating a refreshing atmosphere that perfectly contrasts the warmer daytime heat. Whether you're exploring the vibrant local parks or enjoying waterfront views, September's weather offers a charming backdrop for outdoor activities in this picturesque coastal town.
In September, Williamstown, Australia, begins its transition from the chill of winter to the warmth of spring. With minimum temperatures rising to 0°C (32°F) and averages reaching 11°C (53°F), the air feels fresher and more invigorating. The maximum temperature can soar up to 28°C (83°F), offering a glimpse of the balmy days ahead. This month marks a noticeable shift, as the region moves away from the cooler trends of previous months, with temperatures steadily increasing and hinting at the vibrancy of the approaching season. Overall, September serves as a delightful bridge between the cooler winter months and the warmer embrace of spring, inviting nature and residents alike to embrace the evolving climate.
In September, Williamstown experiences a notable shift in its weather pattern, with precipitation amounting to 38 mm (1.5 in) over 8 days. This marks a decrease from the previous month's 65 mm (2.6 in), reflecting a transition towards drier conditions as spring approaches. Notably, September's rainfall is still substantial, contributing to the region's overall seasonal moisture levels. The trend of increasing rainfall from the start of the year peaks in August, before gradually settling down in the subsequent months. As temperatures rise in October, rainfall remains consistent at 37 mm (1.5 in), signaling a gradual easing of the wet weather that characterized the winter months and highlighting a refreshing blend of seasonal variability in Williamstown's climate.
As the seasons transition in Williamstown, Australia, September marks a notable decrease in humidity, settling at 65% following the high of 70% in August. This dip reflects a broader trend of decreasing humidity as the year progresses towards the drier months, with January starting at a relatively low 41%. The summer months see a gradual increase, peaking at 76% during June and July, before the air begins to dry out again in the latter part of the year. September, therefore, acts as a pivot point, where the lingering winter moisture begins to recede, setting the stage for the drier conditions of spring and summer. This dynamic shift not only influences the local climate but also enhances the allure of Williamstown's picturesque landscapes as the seasons change.
In September, Williamstown experiences a significant transition in its UV Index, registering at 8, which is categorized as very high and suggests a burn time of just 15 minutes. This marks a noteworthy shift from the more moderate levels seen in the winter months, as the lead-up to summer begins. The UV Index in September is a precursor to the extreme values observed in the summer months, with the Index steadily increasing from the milder conditions of late autumn and winter. As the sun’s intensity intensifies, it's essential for residents and visitors to remain vigilant about sun exposure and skin protection. For more detailed information on UV levels throughout the year, check the Williamstown UV Index.
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As the spring blooms in Williamstown, Australia, September greets residents with 275 hours of sunshine, marking a delightful transition from the cooler winter months. After a gradual decrease in sunlight from April to July, where hours dipped to their lowest in June at 221 hours, the trend begins to shift positively. This resurgence in daylight enhances the vibrancy of the landscape, setting the stage for the sunnier October, which typically brings 300 hours. Notably, the warmth of September lays a promising foundation for the increasing sunlight of the forthcoming months, painting a picture of optimism as nature awakens and beckons outdoor exploration.
In Williamstown, Australia, September marks a transitional month as the region shifts from the cooler winter months towards the warmer spring season. With a 53% chance of sunny weather, it sits just above the season's low, showing a slight increase in sunshine compared to the gloomy winter months of June and July, which witness chances as low as 33% and 35%. While the likelihood of clear skies is relatively moderate, it offers a refreshing change after May's dip to 40% and the following winter's overcast conditions. September's weather hints at a hopeful turn as daylight hours gradually extend, leading into October, which promises slightly improved conditions with a 50% chance of sun. This trend suggests that while September may not guarantee endless blue skies, it certainly beckons the onset of brighter days ahead.
As September unfolds in Williamstown, Australia, daylight begins to reemerge after the cooler months, offering an average of 11 hours of light each day. This modest increase from August's 10 hours signals the gradual shift toward longer days, preparing the region for the vibrant blooms of spring. Following the summer peak in January and February, when daylight stretches to a full 14 hours, the changing seasons are evident in the rhythmic pattern of daylight. This cyclical dance continues as October brings back 12 hours, further illuminating the path toward warmer months ahead. The gentle rise in daylight during September serves as a reminder of the natural cycles that shape life in this beautiful coastal town.
As September rolls into Williamstown, the winds begin to pick up, reflecting an average speed of 4.2 m/s (9 mph). This marks a slight increase from the calmer months of late summer, where winds hovered around 3.7 m/s in both January and February. After a gradual decline through the cooler autumn months, the winds see a refreshing upswing in July, reaching their peak, before stabilizing in September. This month serves as a bridge into the approaching spring, with a whisper of vitality in the air that hints at the warmth and vigor to come. Overall, the winds of September invite a gentle yet invigorating atmosphere, setting the stage for the vibrant seasons ahead.
The weather in Williamstown 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 Williamstown and find detailed weather information for every month.
In comparing the weather between September and January, we see notable differences. September experiences a cooler climate with temperatures ranging from a minimum of 0°C to a maximum of 28°C, averaging around 11°C. The month also sees about 38 mm of precipitation over 8 days, which contributes to a higher humidity level of 65%. In contrast, January is significantly warmer, with temperatures ranging from 8°C to a scorching maximum of 43°C, averaging 21°C. The month is much drier, with only 16 mm of rain falling over just 2 days, leading to a lower humidity level of 41%. For more detailed insights, you can check Williamstown weather in January.
September and February exhibit distinct weather patterns indicative of changing seasons. In September, temperatures range from a chilly minimum of 0°C (32°F) to a warmer maximum of 28°C (83°F), with an average temperature of 11°C (53°F). This month sees about 38 mm (1.5 in) of precipitation over eight days, contributing to a higher humidity level of 65%. In contrast, February displays significantly warmer conditions, with minimum temperatures around 7°C (45°F) and a maximum soaring to 38°C (100°F), averaging at 19°C (67°F). Precipitation in February is minimal, totaling just 21 mm (0.8 in) over only two days and accompanied by a more comfortable humidity of 46%. For a detailed look at February's weather, you can visit Williamstown weather in February.
When comparing the weather in September and March, notable differences emerge in temperature and precipitation. September experiences a broader temperature range, with minimums dipping to 0°C (32°F) and maximums reaching 28°C (83°F), while March boasts milder minima of 6°C (43°F) and significantly higher maxima of 38°C (100°F). Additionally, September is wetter, with 38 mm (1.5 in) of precipitation over 8 days, compared to just 10 mm (0.4 in) across 3 days in March. Humidity levels also vary, with September averaging 65% compared to 55% in March. For a closer look at the specifics, you can check Williamstown weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 28°C (83°F), averaging around 11°C (53°F), while April boasts higher temperatures, with a minimum of 3°C (38°F), an average of 16°C (60°F), and a peak of 35°C (95°F). Additionally, September receives more precipitation, totaling 38 mm (1.5 in) over 8 days, compared to April's 25 mm (1.0 in) spread across just 4 days. Interestingly, both months have similar humidity levels, with September at 65% and April slightly higher at 66%. For more specific details on April weather, you can refer to Williamstown weather in April.
When comparing the weather in September and May, it's clear that both months have similar average temperatures, hovering around 11°C (53°F). However, September experiences a wider temperature range, with a minimum of 0°C (32°F) and a maximum of 28°C (83°F), while May's temperatures range from 2°C (36°F) to a maximum of 26°C (79°F). Precipitation levels are comparable, with September receiving 38 mm (1.5 in) over 8 days and May slightly more at 40 mm (1.6 in) over 9 days. Humidity is higher in May at 73%, compared to September's 65%, suggesting that May feels somewhat more humid and damp. For a detailed look at weather conditions during May, you can check Williamstown weather in May.
September and June present contrasting weather patterns, with September generally being warmer and more variable. September boasts a minimum temperature of 0°C (32°F) and an average of 11°C (53°F), reaching a maximum of 28°C (83°F), while June has a lower minimum of -2°C (29°F) and an average of 9°C (48°F), peaking at 20°C (69°F). Both months experience similar precipitation levels, with September receiving 38 mm (1.5 in) over 8 days and June slightly higher at 42 mm (1.7 in) over the same number of days. However, June is marked by higher humidity at 76%, compared to September's 65%. For more details, you can check Williamstown weather in June.
September generally experiences a more varied temperature range compared to July, with minimums reaching 0°C (32°F) and maximums peaking at 28°C (83°F). In contrast, July sees slightly cooler temperatures, with minimums of -1°C (30°F) and maximums only reaching 21°C (70°F). While September has lower precipitation levels at 38 mm (1.5 in) over 8 days, July records a higher precipitation total of 50 mm (2.0 in) across 11 days, contributing to its higher humidity levels of 76% compared to September's 65%. For more detailed insights, you can check out Williamstown weather in July.
When comparing the weather in September to that of August, September generally experiences milder temperatures, with a minimum of 0°C (32°F) and an average of 11°C (53°F), reaching up to a maximum of 28°C (83°F). In contrast, August is cooler, with a minimum temperature of -2°C (29°F) and an average of 9°C (49°F), peaking at 22°C (72°F). Additionally, September sees less precipitation at 38 mm (1.5 in) over 8 days, compared to August's 65 mm (2.6 in) over 11 days. Humidity levels are slightly lower in September at 65% compared to 70% in August, contributing to a more comfortable atmosphere overall. For more detailed insights, check out Williamstown weather in August.
September and October present a notable transition in weather conditions. In September, temperatures range from a low of 0°C (32°F) to a high of 28°C (83°F), with an average temperature of 11°C (53°F). The month experiences 38 mm (1.5 in) of precipitation over about 8 days, alongside a humidity level of 65%.
In contrast, October witnesses a slight increase in minimum temperatures, averaging 3°C (37°F) and peaking at 35°C (94°F), with an overall average of 14°C (57°F). Precipitation remains similar at 37 mm (1.5 in), but occurs over just 6 days, resulting in a lower humidity of 51%. This shift highlights October as generally warmer and less humid than September. For more detailed insights on October weather, visit Williamstown weather in October.
In comparing the weather between September and November, noticeable differences emerge. September experiences a cooler temperature range, with minimums of 0°C (32°F) and a maximum of 28°C (83°F), resulting in an average of 11°C (53°F). In contrast, November boasts warmer averages, with minimums of 3°C (38°F) and maximums reaching a scorching 41°C (105°F), averaging 17°C (62°F). Precipitation is slightly higher in November at 43 mm (1.7 in) over 7 days, compared to September's 38 mm (1.5 in) over 8 days. Additionally, November offers lower humidity at 50% versus September's 65%. For more details, check out Williamstown weather in November.
September and December present contrasting weather patterns. In September, temperatures range from a chilly 0°C (32°F) to a warm 28°C (83°F), with an average of 11°C (53°F). The month experiences moderate precipitation of 38 mm (1.5 in) over about 8 days, coupled with a relatively high humidity of 65%. In contrast, December boasts milder temperatures, with a minimum of 6°C (43°F) and a maximum soaring up to 42°C (108°F), averaging 19°C (66°F). This month sees significantly less rainfall, recording only 16 mm (0.6 in) across 4 days, and a drop in humidity to 46%. For more details, you can check Williamstown weather in December.
As September ushers in the transition from winter to spring in Williamstown, residents can expect a notable shift in weather patterns. The month features a pleasant average temperature of 11°C, contrasting sharply with the colder months preceding it. While September can still dip to 0°C, the maximum highs of 28°C herald the approach of warmer days. Rain is sporadic, with about 8 days of precipitation, contributing a moderate 38 mm overall. The average humidity of 65% indicates a fresh atmosphere, typical of early spring. For those interested in a deeper understanding of the shifting climate, explore more at Williamstown Climate.