September Weather in South West Rocks, Australia

Last updated: February 25, 2025

In South West Rocks, Australia, September greets visitors with a delightful mix of warmth and mildness. The peak temperature reaches a balmy 31°C (88°F), while the average hovers around a comfortable 17°C (62°F), with cooler nights dropping as low as 8°C (46°F). Amidst this pleasant climate, expect occasional rain, totaling 34 mm (1.3 in) across about 6 days, contributing to the region's lush greenery. With a humidity level of 68%, the air carries a refreshing feel, making September an ideal time to explore this picturesque coastal gem.

September Temperature in South West Rocks

In September, South West Rocks begins to transition into warmer days, with temperatures reflecting the shift in seasons. The minimum temperature rises to around 8°C (46°F), while the average creeps up to 17°C (62°F)—a clear indicator that spring is on the horizon. Daily highs can reach 31°C (88°F), showcasing the region's capacity for pleasantly warm afternoons. This month stands out as a precursor to more consistent warmth, gradually shaking off the lingering coolness of winter. The increasing temperatures promote outdoor activities and beach outings, inviting visitors to enjoy the stunning coastal scenery. Overall, September in South West Rocks is characterized by a delightful blend of moderate warmth and refreshing breezes, perfect for embracing the beauty of the Australian spring.

September Weather in South West Rocks: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in South West Rocks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec767573686359575862667073
Data source: Temperature data for South West Rocks generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in South West Rocks

In September, South West Rocks experiences a mild transition in its precipitation patterns, with 34 mm (1.3 in) of rain over 6 days. This marks a slight increase from the drier months of July and August, which saw only 5 days of rainfall each, emphasizing the shift towards more rainfall as the region approaches spring. Compared to the earlier months of the year, precipitation in September is relatively low, especially when benchmarked against the 247 mm (9.7 in) recorded in March. However, these early spring showers set the stage for increased rainfall in October, indicating a trend of gradually rising precipitation leading into the more temperamental wet season.

September Precipitation Trends in South West Rocks

The chart displays monthly precipitation patterns in South West Rocks, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec621562478353825224349870122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in South West Rocks

As summer transitions to autumn in South West Rocks, September offers a glimpse of relief from the high humidity experienced earlier in the year. With an average humidity of 68%, this month marks the beginning of a gradual decline that started in July, where levels hovered around 70%. This trend continues into October, suggesting a comfortable shift as the region moves away from the sticky summer months. The crispness of the approaching fall is further underscored by the notable drop, especially when compared to the sweltering highs of January and February, which peak at 76% and 78%, respectively. September's lower humidity not only enhances outdoor experiences for locals and visitors alike but also sets the stage for the delightful weather that characterizes the later months of the year.

September Average Humidity in South West Rocks

This chart illustrates the average monthly humidity levels in South West Rocks, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%78%77%74%72%70%70%68%68%73%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in South West Rocks

In September, South West Rocks experiences a very high UV Index of 8, indicating that sun protection is essential during this month. As the spring season unfolds, this level marks a slight increase from the moderate readings of the previous months. The burn time is approximately 15 minutes, reminding residents and visitors to take precautions when outdoors. Trend-wise, the UV Index rises as the year progresses, particularly moving from the cooler winter months into spring. This elevation signifies the importance of staying vigilant, especially after the extreme levels encountered at the beginning of the year. For further details on seasonal UV offerings, visit the comprehensive guide at South West Rocks UV Index.

Maximum UV Index Levels in South West Rocks for September

The chart shows the monthly maximum UV Index (UVI) for South West Rocks in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151513964478111314
Data source: South West Rocks September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in South West Rocks

As September rolls in, South West Rocks enjoys a spectacular surge of sunshine, basking in 296 hours of bright daylight—a delightful increase from the previous month. This trend reflects a gradual ascent in sun hours as the year progresses, with August already setting a high benchmark at 286 hours. Following the winter months of June and July, which saw notably lower sunshine totals at 229 and 256 hours respectively, September stands out as a pivotal moment, signaling the arrival of spring. With the days getting longer and sunnier, it's no wonder that both locals and visitors seize the opportunity to explore the stunning natural beauty and coastal charm that this breathtaking region has to offer. The increasing sunlight continues into October and November, promising even more warmth and inviting adventures in the months ahead.

Monthly Sunshine Duration in South West Rocks: September Highlighted

The September sunshine duration represents the total number of hours South West Rocks experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec269h271h257h268h256h229h256h286h296h293h312h320h
Data source: South West Rocks September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in South West Rocks During September

In South West Rocks, Australia, September offers a 60% chance of sunny weather, marking it as a favorable time to enjoy the outdoors. As winter transitions into spring, the likelihood of sunshine remains robust, reflecting a trend of increasing sunshine that begins in the cooler months of July and August. This steady climb peaks through spring, suggesting that September is not just a change in temperature, but also an invitation to bask in the warmth of the sun. With the gloomy winter months behind and the promise of warmer days ahead, September stands out as an ideal time to relish the natural beauty and charm of this coastal haven.

Percentage of Sunny Days in September in South West Rocks

The chart illustrates the percentage of sunny days in South West Rocks throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often South West Rocks experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%35%38%62%53%58%67%72%60%49%26%44%
Data source: South West Rocks September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in South West Rocks in September

As the seasons shift in South West Rocks, Australia, September marks a subtle transition in daylight hours, offering 11 hours of precious sunlight—a duration that mirrors the previous month. Following the long winter months of June through August, which consistently delivered 10 hours of daylight, September signals the return of brighter days, paving the way for the increasing daylight seen in October. This gradual rise continues into the warmer months, ultimately reaching a peak of 14 hours in December. With each passing month, the lengthening days invite residents and visitors alike to embrace the beautiful coastal scenery and vibrant outdoor activities that the region has to offer.

Average Daylight Hours in South West Rocks for September

The chart illustrates the variation in daylight duration in South West Rocks throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 53m13h 10m12h 14m11h 18m10h 31m10h 8m10h 20m11h11h 53m12h 50m13h 40m14h 6m
Data source: South West Rocks daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in South West Rocks

As September rolls in, South West Rocks experiences a noticeable shift in wind patterns, with average wind speeds reaching 4.3 m/s (10 mph), making it the windiest month since March. This uptick from the previous months creates a refreshing atmosphere that invites outdoor enthusiasts to embrace the coastal breeze. Compared to the calmer winds of April and August, which hovered around 3.0 to 3.3 m/s (7 to 8 mph), September's invigorating gusts signal the arrival of spring, carrying a promise of warmer days ahead. With this seasonal transition, the winds become a playful companion for beachgoers and adventurers alike, providing the perfect backdrop for exploration in this picturesque region of Australia.

Average September Wind Speed in South West Rocks

The chart displays monthly wind speed patterns in South West Rocks, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.13.93.03.13.43.83.34.3 m/s3.63.83.6
Data source: South West Rocks September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in South West Rocks Compares to Other Months

The weather in South West Rocks 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 South West Rocks and find detailed weather information for every month.

In September, the weather ranges from a cool 8°C (46°F) to a warm 31°C (88°F), with an average temperature of 17°C (62°F) and relatively low humidity at 68%. Rainfall is modest, averaging 34 mm (1.3 in) over about six days. In contrast, January experiences higher temperatures, with a minimum of 14°C (58°F) and a maximum reaching 36°C (97°F), resulting in an average temperature of 24°C (76°F). The humidity increases to 76%, and precipitation is higher at 62 mm (2.4 in) across approximately 11 days. For more details on weather specifics for this month, check South West Rocks weather in January.

In comparing the weather of September and February, notable contrasts emerge. September typically experiences milder temperatures, with a minimum of 8°C (46°F) and an average of 17°C (62°F), peaking at 31°C (88°F). The month sees relatively light precipitation of 34 mm (1.3 in) over about 6 days, accompanied by a humidity level of 68%. Conversely, February presents a much hotter climate, with temperatures ranging from a minimum of 18°C (64°F) to an average of 24°C (75°F), and soaring to a maximum of 39°C (103°F). February is also significantly wetter, accumulating 156 mm (6.1 in) of rain over approximately 15 days, while humidity rises to 78%. For more detailed information, visit South West Rocks weather in February.

September and March present distinct weather patterns and experiences. In September, temperatures range from a cool minimum of 8°C (46°F) to a warm maximum of 31°C (88°F), with an average around 17°C (62°F). This month sees relatively low precipitation, with about 34 mm (1.3 in) spread over roughly 6 days and humidity at a comfortable 68%. In contrast, March offers warmer temperatures, with lows starting at 16°C (60°F) and highs reaching 32°C (90°F), and an average of 23°C (73°F). However, it also brings significant rainfall at 247 mm (9.7 in) over 18 days, resulting in higher humidity at 78%. For more detailed information about March weather, you can check South West Rocks weather in March.

When comparing the weather in September and April, it's evident that April generally experiences warmer temperatures. September has a minimum temperature of 8°C (46°F) and an average of 17°C (62°F), with a maximum reaching up to 31°C (88°F). In contrast, April starts off warmer with a minimum of 12°C (53°F) and an average temperature of 20°C (68°F), peaking at 29°C (85°F). Additionally, April sees significantly more precipitation, totaling 83 mm (3.3 in) over 12 days, compared to September's 34 mm (1.3 in) across just 6 days. Furthermore, humidity is higher in April at 77%, compared to September's 68%. For a detailed look at April weather in South West Rocks, check out South West Rocks weather in April.

When comparing the weather in September and May, both months exhibit a similar average temperature of around 17°C (62°F). However, September experiences a wider temperature range, with maximums reaching up to 31°C (88°F), compared to May's cooler peak of 25°C (77°F). Precipitation levels are higher in May, with 53 mm (2.1 in) falling over 8 days, contrasting with September’s 34 mm (1.3 in) spread over just 6 days. Additionally, May tends to be more humid, with levels at 74% versus September's 68%. For a deeper insight into May's weather patterns, you can refer to this link: South West Rocks weather in May.

When comparing the weather in September and June, September typically offers warmer temperatures, with minimums around 8°C (46°F) and maximums reaching up to 31°C (88°F), while June’s range is cooler, with minimums of 7°C (45°F) and maximums peaking at 23°C (73°F). Additionally, September experiences less precipitation, averaging only 34 mm (1.3 in) over 6 days compared to June’s 82 mm (3.2 in) over 12 days, making September the drier month. Humidity levels are similar, with September at 68% and June slightly higher at 71%. For more detailed insights, you can check South West Rocks weather in June.

When comparing the weather in September to that of July, September tends to be warmer with average temperatures reaching 17°C (62°F), while July's average is cooler at 14°C (57°F). September showcases a wider temperature range, with maximums of 31°C (88°F), compared to July's peak of 23°C (74°F). Interestingly, July experiences slightly more precipitation at 52 mm (2.0 in) over 5 days, while September has 34 mm (1.3 in) spread over 6 days. Both months have similar humidity levels, around 68% in September and 70% in July. For more detailed information, you can check South West Rocks weather in July.

In comparing the weather between September and August, September exhibits generally warmer temperatures, with a minimum of 8°C (46°F) and an average of 17°C (62°F), while August starts with a lower minimum of 5°C (42°F) and a cooler average of 14°C (58°F). The maximum temperatures also rise in September, peaking at 31°C (88°F) compared to August's maximum of 27°C (80°F). Precipitation in September is slightly higher at 34 mm (1.3 in) over 6 days, while August sees 24 mm (0.9 in) of rain across 5 days, indicating a bit more precipitation in the later month. Humidity remains fairly consistent, with September at 68% and August slightly higher at 70%. For more details, visit South West Rocks weather in August.

In comparing the weather of September and October, we see a notable shift in temperature and precipitation. September boasts a warmer range with average temperatures peaking at 31°C (88°F), while October's temperatures are slightly cooler, with a maximum of 30°C (86°F). However, October experiences an increase in minimal temperatures, averaging 11°C (52°F) compared to September's 8°C (46°F).

Precipitation also sees a significant rise from 34 mm (1.3 in) over 6 days in September to 98 mm (3.9 in) spread across 12 days in October, indicating a wetter month. Humidity remains consistent at 68% in both months, creating a generally moist environment. For more specific details on October weather in South West Rocks, you can check South West Rocks weather in October.

September and November present contrasting weather conditions. In September, temperatures range from a minimum of 8°C (46°F) to a maximum of 31°C (88°F), with an average of 17°C (62°F). The month experiences relatively low precipitation, with 34 mm (1.3 in) over 6 days and humidity at 68%. In comparison, November sees warmer temperatures, with a minimum of 13°C (56°F) and a peak of 33°C (91°F), averaging 21°C (70°F). However, it also experiences increased rainfall, totaling 70 mm (2.7 in) over 11 days, and slightly higher humidity at 73%. For a detailed look at weather specifics, check out South West Rocks weather in November.

September and December present contrasting weather patterns. In September, temperatures range from a minimum of 8°C (46°F) to a pleasant average of 17°C (62°F), with maximums reaching up to 31°C (88°F). This month sees 34 mm (1.3 in) of precipitation over approximately 6 days, coupled with a humidity level of 68%. In contrast, December experiences milder minimum temperatures at 16°C (62°F) and an average of 23°C (73°F), peaking at 33°C (91°F). However, December is notably wetter, with precipitation totaling 122 mm (4.8 in) across 13 days and humidity rising to 78%. For a more detailed outlook, check out South West Rocks weather in December.

Compare South West Rocks's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in South West Rocks

September in South West Rocks heralds the arrival of spring, bringing a delightful warmth that contrasts with the cooler winter months. With temperatures significantly rising, days become sunnier, yet there's a refreshing touch in the air as the humidity settles around a comfortable 68%. While you may encounter a few rainy days, with an average of just 34 mm of precipitation, the overall atmosphere is vibrant and inviting, making it an ideal time for outdoor activities. As the region shakes off the chill, September stands out as a transitional period, bridging the gap between winter's cool embrace and the sultry summer heat. For more detailed insights into this beautiful coastal region, check the complete climate overview at South West Rocks Climate.