Last updated: February 26, 2025
Experience September in Shellharbour, Australia, where the climate transitions into the warming embrace of spring. With maximum temperatures reaching a pleasant 29°C (84°F) and an average of 13°C (57°F), it's the perfect time to enjoy outdoor activities. However, the days can start crisp, with minimum temperatures dipping to 5°C (41°F). Despite the uplift in warmth, expect some rainfall, as the region receives approximately 48 mm (1.9 in) of precipitation over about 7 days, complemented by a moderate humidity level of 64%. Dive into the vibrant atmosphere of Shellharbour this September, where the balance of sun and occasional showers sets the stage for delightful explorations.
In September, Shellharbour begins to shake off the winter chill, welcoming the arrival of spring with more moderate temperatures. The month sees a minimum temperature of around 5°C (41°F), while the average hovers at a comfortable 13°C (57°F). Warm afternoons can reach a pleasant maximum of 29°C (84°F), making it a delightful time for outdoor activities. As nature awakens, the gradual increase in temperatures not only reflects the transition from cooler months but also hints at the vibrant days ahead, making September an ideal time to explore the beauty of this coastal town.
In September, Shellharbour experiences a noticeable shift as the winter months come to a close. The town receives 48 mm (1.9 in) of precipitation over 7 days, marking a transition from the higher rainfall seen earlier in the year. Specifically, this amount is significantly less than the preceding month of August, which recorded 66 mm (2.6 in). As spring approaches, the decrease in rainfall hints at the changing seasons, paving the way for the wetter months ahead, particularly in October, when precipitation typically surges to 108 mm (4.2 in). This seasonal trend showcases Shellharbour's dynamic weather patterns, offering a blend of fresh spring vitality while hinting at the increase in rainfall that characterizes the next phase of the year.
In September, Shellharbour experiences a notable dip in humidity, with levels dropping to 64%, marking one of the lowest points in the annual cycle. This decline reflects a gradual easing from the warmer, more humid months of winter, as the area transitions into the spring season. The trend shows a steady decrease from the high humidity of 68% in August, indicating a shift towards drier conditions. As October approaches, humidity is expected to continue decreasing, reaching its annual low of 61%. This pattern highlights how Shellharbour's climatic conditions evolve, offering residents and visitors alike a refreshing reprieve as the warmer months begin.
In September in Shellharbour, Australia, the UV Index reaches an upward trend with a value of 8, categorizing it as very high, and indicating a burn time of just 15 minutes for fair-skinned individuals. This marks a notable increase from the milder UV levels seen in the winter months, where readings hovered around 3 to 5. As spring approaches, residents and visitors alike should be vigilant, as sun exposure becomes more intense, similar to the conditions that precede it in October, when the UV Index rises to 10. It’s evident that the transition between seasons brings sharper spikes in UV radiation. For detailed guidance and daily updates on UV levels, you can visit Shellharbour UV Index.
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September shines brightly in Shellharbour, Australia, as it boasts an impressive 287 hours of sunshine, making it one of the sunniest months of the year. This delightful surge in sunlight marks a noticeable upward trend as the days grow longer, leading into October, which sees an even greater 302 hours. Compared to the more temperate months of May and June, where sunshine dipped to 248 and 222 hours respectively, September serves as a refreshing reminder of the warmth returning to the region. With clear skies and golden rays, it’s the perfect time to bask in the beauty of Shellharbour’s coastal charm before the sun continues its steady climb towards the year’s peak in December with 327 hours.
In Shellharbour, Australia, September brings a 58% chance of sunny weather, reflecting a pleasant shift as winter draws to a close. While the likelihood of sunshine fluctuates throughout the year, September stands out for its relatively high probability, following a warm August at 62%. The trend suggests a gradual transition into spring, with sunny days becoming more common after the cooler winter months. In fact, this month is a significant improvement over the more overcast months of November and December, which dip to 22% and 35% chances of sun, respectively. As such, September is an inviting time for outdoor activities, making it an excellent opportunity to soak up the early spring sunshine in this coastal town.
In September, Shellharbour experiences a delightful transition in daylight duration, with an average of 11 hours of sunlight each day. This marks a gradual increase from the shorter days of winter, where daylight dipped to just 9 hours in June. As spring approaches, the longer hours of light signal a refreshing change, encouraging outdoor activities and vibrant local life. Following September, the days continue to lengthen, reaching 12 hours by October, and ultimately peaking again at 14 hours by December. This rhythmic pattern not only enhances the beauty of Shellharbour but also heralds the arrival of warmer weather and the promise of longer days ahead.
As September rolls in, Shellharbour experiences a notable boost in wind speed, consistent with the trend of increasing gusts leading into the spring months. Averaging 4.0 m/s (9 mph), the winds are at their strongest for the year, mirroring the peak levels seen in July and August. This uptick in breezy conditions invites locals and visitors alike to embrace outdoor activities, from beach strolls to water sports. Following the vibrant winds of September, the average speed tends to ease into October, reflecting a natural ebb in the seasonal rhythm. Overall, this month stands out as a perfect blend of invigorating winds and warming weather, heralding the transition from winter’s chill to the delightful embrace of spring.
The weather in Shellharbour 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 Shellharbour and find detailed weather information for every month.
September and January present quite contrasting weather patterns. In September, temperatures range from a cooler minimum of 5°C (41°F) to a comfortable maximum of 29°C (84°F), with an average of 13°C (57°F). The month experiences moderate precipitation of 48 mm (1.9 in) over about 7 days and humidity levels at 64%. In contrast, January ushers in warmer conditions, with temperatures varying from a milder minimum of 11°C (53°F) to a scorching maximum of 37°C (100°F) and an average of 21°C (71°F). This month also sees increased precipitation at 67 mm (2.6 in) over approximately 11 days and slightly higher humidity at 70%. For a detailed look at January weather specifics, visit Shellharbour weather in January.
September weather is generally milder, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 29°C (84°F) and an average of 13°C (57°F). The month sees around 48 mm (1.9 in) of precipitation over approximately 7 days, with humidity averaging 64%. In contrast, February experiences much warmer conditions, with minimum temperatures starting at 13°C (55°F) and soaring to a maximum of 36°C (97°F), averaging 20°C (69°F). This month is also much wetter, receiving 145 mm (5.7 in) of rain over 16 days and higher humidity at 74%. For a more detailed look at February weather, you can visit Shellharbour weather in February.
September and March present distinct weather patterns in terms of temperature and precipitation. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 29°C (84°F), with an average of 13°C (57°F). The month sees moderate precipitation at 48 mm (1.9 in) over about 7 days, and humidity levels hover around 64%. In contrast, March features a warmer profile, with minimum temperatures at 10°C (51°F), maximums reaching up to 35°C (95°F), and an average temperature of 19°C (67°F). However, it also experiences significantly higher rainfall, totaling 207 mm (8.1 in) across 18 days, along with increased humidity at 73%. For more specifics on March weather, check Shellharbour weather in March.
When comparing the weather in September and April, notable differences in temperature and humidity emerge. September typically experiences a minimum temperature of 5°C (41°F) and averages around 13°C (57°F), while April is warmer, with minimums of 8°C (47°F) and an average temperature of 17°C (62°F). Both months have similar maximum temperatures, reaching up to 29°C (84°F) in September and slightly higher at 30°C (87°F) in April. In terms of precipitation, September sees about 48 mm (1.9 in) over 7 days, while April has slightly less at 42 mm (1.7 in) across 8 days, making April a bit more humid with 73% humidity compared to 64% in September. For a detailed look at April weather, check out Shellharbour weather in April.
When comparing the weather in September and May, we notice some interesting variations. September tends to be warmer overall, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 29°C (84°F), while May's temperatures are milder, with a minimum of 6°C (43°F) and a maximum of 23°C (75°F). Both months experience similar average temperatures of around 13°C (57°F) in September and 14°C (57°F) in May. However, May sees higher precipitation levels at 65 mm (2.5 in) over 8 days compared to September's 48 mm (1.9 in) over 7 days, and May also has higher humidity levels at 72%, compared to 64% in September. For more details, check out Shellharbour weather in May.
September and June exhibit notable differences in weather patterns. September tends to be warmer, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 29°C (84°F), while June's temperatures are cooler, peaking at 20°C (67°F) from a low of 3°C (37°F). Precipitation also varies, with September receiving 48 mm (1.9 in) over about 7 days, compared to June's heavier 63 mm (2.5 in) spread across 12 days. Additionally, humidity levels are slightly higher in June at 70% compared to September's 64%. For more detailed insights, check out Shellharbour weather in June.
When comparing the weather in September and July, it is evident that September experiences warmer temperatures overall, with a minimum of 5°C (41°F) and an average of 13°C (57°F), while July sees a slightly cooler minimum of 3°C (38°F) and an average of 11°C (52°F). The maximum temperature in September also reaches up to 29°C (84°F), significantly higher than July's maximum of 22°C (72°F). In terms of precipitation, September has a bit more rainfall at 48 mm (1.9 in) over 7 days, compared to July's 44 mm (1.7 in) over 5 days. Humidity is slightly lower in September at 64%, while July has a higher humidity level of 69%. For more detailed information on July weather, you can check Shellharbour weather in July.
In comparing the weather between September and August, it’s evident that September experiences a broader temperature range with minimums of 5°C (41°F) and maximums reaching 29°C (84°F), while August sees lower temperatures, with minimums at 3°C (38°F) and maximums only hitting 22°C (72°F). Despite September's warmer average of 13°C (57°F) compared to August's 11°C (52°F), it also records slightly less precipitation at 48 mm (1.9 in) versus August's 66 mm (2.6 in), both experiencing rainfall on 7 days. Additionally, September's humidity is a bit lower at 64%, while August holds a higher humidity level of 68%. For more details about the weather conditions in August, you can visit Shellharbour weather in August.
September and October show a noticeable shift in weather patterns. September experiences a range of temperatures, with a minimum of 5°C (41°F) and a maximum of 29°C (84°F), averaging around 13°C (57°F). In contrast, October brings slightly warmer conditions, featuring a minimum of 7°C (44°F) and a higher maximum of 30°C (86°F), with an average of 16°C (61°F). However, October is also wetter, with 108 mm (4.2 in) of precipitation over 15 days compared to September's 48 mm (1.9 in) over just 7 days. Humidity remains relatively stable, with September at 64% and October at 61%. For more detailed information, check out Shellharbour weather in October.
In September, the weather features a minimum temperature of 5°C (41°F) and an average of 13°C (57°F), with a maximum reaching 29°C (84°F). The month experiences relatively moderate precipitation of 48 mm (1.9 in) over about 7 days, contributing to a humidity level of 64%. In contrast, November presents warmer conditions, with a minimum of 9°C (48°F), an average temperature of 17°C (63°F), and a peak of 35°C (96°F). However, it also sees increased rainfall, totaling 129 mm (5.1 in) across 13 days while maintaining the same humidity level of 64%. For a detailed look at the weather conditions in November, you can visit Shellharbour weather in November.
September and December present distinct contrasts in weather. In September, temperatures range from a cooler minimum of 5°C (41°F) to an average of 13°C (57°F), with a maximum of 29°C (84°F). The month experiences moderate precipitation at 48 mm (1.9 in) over approximately 7 days, accompanied by a humidity level of 64%. In contrast, December sees warmer temperatures, with a minimum of 11°C (53°F) and an average of 19°C (67°F), peaking at 34°C (93°F). It also has significantly higher precipitation, totaling 107 mm (4.2 in) across 15 days, and a higher humidity level of 71%. For a detailed look at December's weather conditions, visit Shellharbour weather in December.
September in Shellharbour marks the transition into spring, characterized by a noticeable increase in temperatures and a refreshing shift in weather patterns. Unlike the cooler winter months, this time of year brings more mild averages and warmer maximums, inviting outdoor activities and blooming landscapes. While there may still be some rainy days, the overall feeling is one of renewal, with humidity levels rising to create a comfortable atmosphere. For a deeper look into the climate trends that shape this vibrant month, check out Shellharbour Climate.