September Weather in Goolwa, Australia

Last updated: February 25, 2025

In September, Goolwa, Australia, experiences a delightful transition into spring, characterized by a maximum temperature of 29°C (84°F) and an average of 13°C (55°F). The nights can be cool, with temperatures dipping to a refreshing minimum of 4°C (40°F). This month sees a moderate precipitation amount of 35 mm (1.4 in) spread over approximately 8 days, contributing to the region's vibrant landscapes. With a humidity level of 65%, visitors can enjoy the fresh, invigorating air while embracing the blossoming beauty that surrounds Goolwa.

September Temperature in Goolwa

As September rolls into Goolwa, Australia, it heralds a subtle shift in temperatures, marking the transition from the chill of winter to the early hints of spring. The month begins with nighttime lows around 4°C (40°F), offering a strong reminder of the preceding season, while daytime temperatures gradually climb to a pleasant 29°C (84°F). The average temperature sits at a comfortable 13°C (55°F), inviting outdoor activities and a sense of rejuvenation. Compared to the previous months, where the mercury lingered in the low teens, September presents an enticing warmth, setting the stage for the warmer months ahead, particularly with maximums edging upwards by nearly 7°C from August. Overall, this month beautifully balances the remnants of winter with the promise of spring, making it an ideal time to explore Goolwa’s stunning landscapes.

September Weather in Goolwa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Goolwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec696665625652525255596365
Data source: Temperature data for Goolwa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Goolwa

In September, Goolwa experiences a moderate rainfall of 35 mm (1.4 in) spread over 8 days, marking a continuation of the wetter conditions observed in the preceding months. This amount is a noticeable dip from the peak August precipitation of 57 mm, yet it contributes to the lush landscapes typical of this time of year. As the season transitions towards warmer months, the rainfall pattern reflects a significant uptick from the drier summer months of January through March, hinting at a natural rhythm of climate that nurtures both flora and fauna. With this mix of autumn charm and early spring moisture, September in Goolwa offers a refreshing environment, perfect for appreciating the region's vibrant natural beauty.

September Precipitation Trends in Goolwa

The chart displays monthly precipitation patterns in Goolwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec171912294237445735363620
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Goolwa

In September, Goolwa experiences a notable shift as humidity levels begin to drop, averaging 65%. This marks a decrease from the peak of 76% humidity observed during the winter months of June and July. Following the progressive rise throughout the year, from 41% in January to a peak of 76% in June, September reflects a transition towards drier conditions. As the seasons change, humidity gradually declines, leading into the warmer months ahead. This gradual reduction hints at the region's impending shift toward a more temperate climate, with expected humidity levels further declining to 51% in October and 50% in November.

September Average Humidity in Goolwa

This chart illustrates the average monthly humidity levels in Goolwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec41%46%55%66%73%76%76%70%65%51%50%46%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Goolwa

In September, Goolwa, Australia, experiences a UV Index of 7, categorizing it as high and resulting in a burn time of about 25 minutes. This indicates a gradual increase in UV intensity as the region transitions from the cooler months of June and July, where levels were moderate, to more sun-drenched days ahead. Notably, September's UV Index sits between the peak summer months of January and February, where extreme exposure necessitates vigilance against sunburn in as little as 10 minutes. As we head into October with a UV Index forecasted at 10, it's essential for residents and visitors alike to stay informed and protected. For more detailed insights, check out the Goolwa UV Index.

Maximum UV Index Levels in Goolwa for September

The chart shows the monthly maximum UV Index (UVI) for Goolwa 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.
JanFebMarAprMayJunJulAugSepOctNovDec141211853357101214
Data source: Goolwa 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 Goolwa

As the days grow longer and warmer, September in Goolwa, Australia, brings with it a delightful 276 hours of sunshine, a promising sign of the approaching spring. This marks a notable increase from the cooler months, with a refreshing leap from August's 245 hours. The trend of sunshine illuminates a gradual rise throughout the year, peaking in November and December, where residents and visitors can bask in the brilliance of over 300 hours. After the winter months, which saw a dip with June at just 218 hours, September emerges as a reminder of the warmth ahead, setting the stage for the sun-drenched days that are characteristic of Australian summers. Embracing this transition, Goolwa's vibrant landscape starts to come alive, inviting all to enjoy the beauty of the season.

Monthly Sunshine Duration in Goolwa: September Highlighted

The September sunshine duration represents the total number of hours Goolwa 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.
JanFebMarAprMayJunJulAugSepOctNovDec290h289h301h248h221h218h231h245h276h302h317h349h
Data source: Goolwa September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goolwa During September

In Goolwa, September offers a moderate chance of sunny weather, with the likelihood sitting at 49%. This is a slight increase from the cooler months of June and July, where the sun shines less frequently, at only 36% and 39%, respectively. As winter transitions to spring, September begins to hint at the warmer months ahead, falling just shy of October's 46%. The trend showcases a gradual uptick in sunshine compared to the earlier months of the year, indicating that while the sun may not be out every day, there are promising opportunities for delightful, sunny afternoons as the season changes.

Percentage of Sunny Days in September in Goolwa

The chart illustrates the percentage of sunny days in Goolwa 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 Goolwa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%51%57%54%36%36%39%50%49%46%35%60%
Data source: Goolwa September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goolwa in September

As September arrives in Goolwa, Australia, the days begin to lengthen once again, providing approximately 11 hours of daylight. This marks a gradual transition from the winter months, where daylight dipped to its lowest at 9 hours in June. Following this, a slow increase in daylight is evident, peaking at 14 hours in January. The steady rise in sunlit hours through spring heralds warmer days ahead, with September acting as a bridge to the longer days of summer. After reaching its soft peak in March, daylight hours fell to 11 hours in September, offering a gentle reprieve before the sun continues to linger in the sky, a precursor to the vibrant energy of October and November.

Average Daylight Hours in Goolwa for September

The chart illustrates the variation in daylight duration in Goolwa throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 14m13h 22m12h 16m11h 9m10h 14m9h 46m10h10h 48m11h 51m12h 59m13h 58m14h 29m
Data source: Goolwa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Goolwa

As September rolls into Goolwa, Australia, the wind begins to pick up, averaging 4.6 m/s (10 mph)—a notable improvement over the preceding months. This increase marks a transition from the calmer breezes of May and June, where average speeds hovered around 3.7 m/s (8 mph) and 4.1 m/s (9 mph) respectively. The trend of rising winds continues from the more variable July, which saw an uptick to 4.8 m/s (11 mph), hinting at a shift towards brisker conditions that offer a refreshing touch to the onset of spring. As the warmth of spring settles in, the wind in September serves as a reminder of the dynamic climate that characterizes this coastal region, setting the stage for the pleasant months ahead.

Average September Wind Speed in Goolwa

The chart displays monthly wind speed patterns in Goolwa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.13.43.23.74.14.84.04.6 m/s4.14.34.1
Data source: Goolwa September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Goolwa Compares to Other Months

The weather in Goolwa 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 Goolwa and find detailed weather information for every month.

In September, temperatures in Goolwa typically range from a chilly 4°C (40°F) to a warm 29°C (84°F), with an average of 13°C (55°F). This month experiences more precipitation, with about 35 mm (1.4 in) falling over approximately 8 days, contributing to a relatively high humidity of 65%. In contrast, January witnesses much warmer conditions, with minimum temperatures of 11°C (52°F) and striking highs reaching up to 44°C (111°F). The average temperature sits at a comfortable 20°C (69°F), but humidity drops to 41%, and rainfall is significantly lighter, totaling only 17 mm (0.7 in) over just 2 days. For more insights on January weather, visit Goolwa weather in January.

September and February present distinctly different weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 29°C (84°F), with an average of 13°C (55°F). The month experiences around 35 mm (1.4 in) of precipitation over about 8 days, contributing to a higher humidity level of 65%. In contrast, February boasts milder mornings with minimum temperatures of 11°C (51°F) and significantly warmer afternoons reaching up to 39°C (102°F), averaging 19°C (67°F). Precipitation decreases to just 19 mm (0.7 in) over approximately 3 days, resulting in lower humidity at 46%. This shift illustrates a transition from the cooler, wetter September to the hot and drier conditions of February. For more detailed information, you can check Goolwa weather in February.

In comparing the weather between September and March, we can see notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums dropping to 4°C (40°F) and maximums reaching up to 29°C (84°F), while March is generally warmer, featuring minimums of 9°C (48°F) and maximums soaring to 38°C (101°F). September also has more days of rainfall, totaling about 35 mm over 8 days, compared to March, which enjoys a drier climate with only 12 mm of precipitation over 4 days. Furthermore, humidity levels are higher in September at 65%, while March has a more comfortable humidity level of 55%. For a more detailed look at conditions in March, you can visit Goolwa weather in March.

When comparing the weather in September and April, April typically presents warmer conditions. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 29°C (84°F), with an average temperature of 13°C (55°F). Contrastingly, April enjoys slightly milder minimum temperatures at 7°C (46°F), with peaks reaching up to 34°C (93°F) and an average of 17°C (62°F). While both months experience some rainfall — with September totaling 35 mm (1.4 in) over 8 days and April slightly less at 29 mm (1.1 in) over just 4 days — humidity remains fairly consistent, with April at 66% compared to September's 65%. For more detailed insights, check out Goolwa weather in April.

When comparing the weather in September and May, both months exhibit similar minimum temperatures of 4°C (40°F) and average temperatures around 13°C (55°F). However, September boasts warmer maximum temperatures, reaching up to 29°C (84°F), while May peaks at 27°C (80°F). Precipitation is slightly higher in May, totaling 42 mm (1.7 in) over 9 days compared to September's 35 mm (1.4 in) over 8 days, indicating May tends to be a bit wetter. Also, humidity levels are notably higher in May at 73%, compared to September's 65%, making May feel a bit more muggy. For more details, check out Goolwa weather in May.

When comparing the weather in September and June, we can see distinct differences in temperature and humidity. September experiences a wider temperature range with minimums around 4°C (40°F), averages of 13°C (55°F), and maximums peaking at 29°C (84°F), making it generally warmer than June, which has a minimum of 2°C (37°F), an average of 11°C (52°F), and a maximum of just 20°C (68°F). Additionally, September has slightly lower humidity at 65% compared to June's 76%, creating a more comfortable feel during September's warmer days. Both months have comparable precipitation levels, with September receiving 35 mm (1.4 in) over 8 days, while June sees 37 mm (1.5 in) over 9 days. For more detailed insights into June's weather, check out Goolwa weather in June.

In comparing the weather between September and July, September boasts a wider temperature range with a minimum of 4°C (40°F) and a maximum of 29°C (84°F), compared to July's milder temperatures that range from a minimum of 3°C (38°F) to a maximum of 19°C (67°F). Furthermore, September experiences less precipitation overall, with 35 mm (1.4 in) falling over about 8 days, whereas July sees higher rainfall at 44 mm (1.7 in) across 11 days. Despite September being warmer and drier, July has higher humidity levels at 76%, compared to September's 65%. For more detailed information on July weather, you can check out Goolwa weather in July.

In comparing the weather of September and August, we notice a significant shift in temperatures. September experiences a broader temperature range, with a minimum of 4°C (40°F) and maximum reaching 29°C (84°F), whereas August has lower extremes, ranging from 2°C (36°F) to a maximum of 22°C (72°F). The average temperature in September is also higher at 13°C (55°F), compared to August's average of 11°C (52°F). While both months see notable precipitation, August receives more rain at 57 mm (2.3 in) over 11 days compared to September's 35 mm (1.4 in) over 8 days. Humidity levels are relatively close, with September at 65% and August slightly higher at 70%. For a deeper look into August weather specifics, you can refer to Goolwa weather in August.

In September, the weather features a wide temperature range with minimums dipping to about 4°C (40°F) and maximums reaching 29°C (84°F), resulting in an average of 13°C (55°F). The month experiences moderate precipitation, with about 35 mm (1.4 in) falling over 8 days and a humidity level of 65%. In contrast, October sees slightly warmer minimum temperatures at 6°C (43°F) and significantly higher maximums of up to 34°C (94°F), averaging 15°C (59°F). Precipitation remains similar at 36 mm (1.4 in) but occurs over fewer days, just 6, and the humidity decreases to a more comfortable 51%. For more details, check Goolwa weather in October.

In September, the weather is characterized by cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 29°C (84°F), resulting in an average of 13°C (55°F). The month experiences about 35 mm (1.4 in) of precipitation over 8 days, accompanied by a humidity level of 65%. In contrast, November offers milder conditions with a minimum of 6°C (43°F) and a maximum of 39°C (103°F), averaging around 17°C (63°F). While precipitation remains similar at 36 mm (1.4 in) over just 6 days, the humidity decreases to 50%. For more detailed information, visit Goolwa weather in November.

September and December display notable differences in weather patterns. In September, temperatures range from a chilly minimum of 4°C (40°F) to a pleasantly warm maximum of 29°C (84°F), with an average of 13°C (55°F). The month sees a fair amount of rainfall with 35 mm (1.4 in) over 8 days and relatively high humidity at 65%. In contrast, December experiences milder nights with a minimum of 8°C (47°F) and a comfortable average temperature of 19°C (66°F), peaking at a scorching 42°C (108°F). Precipitation is lower in December, totaling 20 mm (0.8 in) across just 5 days, and humidity drops to 46%. This shift reflects a transition to a drier and hotter end of the year, making December weather distinctively different from that of September. For more detailed insights, you can check Goolwa weather in December.

Compare Goolwa's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Goolwa

As September unfolds in Goolwa, it marks a notable transition from the chill of winter to the warming embrace of spring. Daytime temperatures begin to rise, offering a pleasant contrast with cooler nights, which can dip into the single digits. While the month sees a modest amount of rainfall over a handful of days, the overall humidity settles at a comfortable level that enhances the invigorating spring atmosphere. This period is a delightful blend of crisp mornings and milder afternoons, making it an ideal time to enjoy the natural beauty of Goolwa. For more detailed information on the annual weather patterns, explore Goolwa Climate.