September Weather in Cowaramup, Australia

Last updated: February 25, 2025

September in Cowaramup, Australia boasts a maximum temperature of 21°C (69°F), offering a pleasant backdrop for spring activities. With an average temperature of 15°C (59°F) and a minimum of 9°C (49°F), the weather remains mild yet refreshing. Frequent showers contribute to a total precipitation amount of 68 mm (2.7 in) over 13 days, lending a lush vibrancy to the landscape. Additionally, the month experiences a humidity level of 71%, creating a comforting atmosphere that invites both locals and visitors to enjoy the natural beauty of this charming region.

September Temperature in Cowaramup

In September, Cowaramup begins to shake off the winter chill, with temperatures gradually rising. The minimum temperature dips to a cool 9°C (49°F), while the average hovers at a brisk 15°C (59°F), perfect for invigorating walks in the stunning natural surroundings. Days start to warm up, reaching a pleasant maximum of 21°C (69°F), signaling the onset of spring. This gradual warming trend from the cooler months of winter is evident as the region transitions, inviting locals and visitors alike to enjoy the blooming landscapes and outdoor activities. As temperatures steadily climb, September becomes an enticing preview of the warmer days ahead.

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

The chart illustrates September temperature patterns in Cowaramup, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec676868666361605859606266
Data source: Temperature data for Cowaramup 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 Cowaramup

In September, Cowaramup experiences a notable shift in its precipitation patterns, receiving 68 mm (2.7 in) of rainfall over 13 days. This marks a decrease from the wetter months of July, which typically sees the highest rainfall at 173 mm (6.8 in), and August, with 141 mm (5.5 in). The transition into spring heralds a reduction in the frequency and intensity of rain, as the region prepares for the drier months ahead. This September precipitation not only contributes to the lush landscapes that characterize Cowaramup but also indicates the beginning of a gradual decrease in rainfall leading towards the summer months. Overall, it’s a period of balanced rainfall, ensuring water resources remain plentiful while hinting at the arid conditions to come.

September Precipitation Trends in Cowaramup

The chart displays monthly precipitation patterns in Cowaramup, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83637399714717314168542515
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cowaramup

In September, Cowaramup, Australia experiences a slight uptick in humidity, reaching 71%. This aligns with the trend of gradually rising moisture levels as the year progresses, following a characteristic dip during the winter months of June and July when humidity drops to around 70%. As spring approaches, residents can expect a steady increase leading into the warmer months, with humidity peaking once again at 81% in February. This seasonal fluctuation highlights Cowaramup's relatively high humidity, particularly during the summer, adding to the region's lush landscapes.

September Average Humidity in Cowaramup

This chart illustrates the average monthly humidity levels in Cowaramup, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%79%77%71%71%70%70%72%75%76%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cowaramup

As September rolls into Cowaramup, Australia, the UV Index experiences a notable increase. With a UV rating of 8, categorized as very high, sun exposure becomes a significant factor for residents and visitors alike, allowing for just 15 minutes of unprotected sun exposure before risk of sunburn intensifies. This trend marks a shift from the moderate UV levels seen in the colder months, hinting at the approach of warmer weather and more intense sunlight. As the year progresses, Cowaramup's UV Index typically fluctuates, peaking at extreme levels in the summer months. It's vital to stay informed and take precautions as exposure levels rise. For a detailed look at current UV levels, visit Cowaramup UV Index.

Maximum UV Index Levels in Cowaramup for September

The chart shows the monthly maximum UV Index (UVI) for Cowaramup 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.
JanFebMarAprMayJunJulAugSepOctNovDec141311854458101214
Data source: Cowaramup 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 Cowaramup

As September unfolds in Cowaramup, Australia, the sun graces the region with 289 hours of radiant light, signaling the transition into spring. This month marks a slight uptick from the winter months, with sunshine on the rise after a cooler spell, which saw June reaching its nadir with just 253 hours of sunlight. As we move deeper into the year, a consistent increase in sunshine becomes evident—October and November shine even brighter with 322 and 343 hours, respectively. This trend not only invites residents and visitors to bask in the warmth of the changing season but also highlights Cowaramup’s picturesque landscapes, making it a perfect backdrop for outdoor adventures as nature comes alive.

Monthly Sunshine Duration in Cowaramup: September Highlighted

The September sunshine duration represents the total number of hours Cowaramup 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.
JanFebMarAprMayJunJulAugSepOctNovDec307h315h315h281h268h253h262h279h289h322h343h378h
Data source: Cowaramup September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cowaramup During September

September in Cowaramup, Australia, enjoys a likelihood of sunny weather at 57%, a notable boost from the chilly winter months. As the region transitions from the cooler August temperatures, this increase hints at a promising early spring, where clear skies start outnumbering the cloudy days. The trend is striking when comparing it to the preceding months, particularly May, with its markedly lower probability of sunshine at just 34%. This upward trajectory not only enhances outdoor activities but also sets the stage for blooming landscapes as nature awakens. As autumn approaches in October, the chance of sun dips to 39%, making September a delightful time for those seeking warmth and brightness before the seasonal shift.

Percentage of Sunny Days in September in Cowaramup

The chart illustrates the percentage of sunny days in Cowaramup 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 Cowaramup experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec73%62%49%46%34%41%40%50%57%39%57%71%
Data source: Cowaramup September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cowaramup in September

As September arrives in Cowaramup, Australia, the days gradually lengthen, offering about 11 hours of daylight—a subtle yet welcoming transition that hints at the approach of spring. This month marks a shift from the shorter days of winter, as daylight begins to increase, reflecting a broader trend of lengthening hours that continues through October and November. Following the peak daylight of 14 hours in January, the rhythm of the seasons plays out in a predictable cycle, with February and March seeing slightly less sun, before a languid drop to the 9 hours of June. The gradual return to longer days not only enhances the beauty of the region but also invigorates the local flora and fauna, setting a vibrant stage for the days ahead.

Average Daylight Hours in Cowaramup for September

The chart illustrates the variation in daylight duration in Cowaramup throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 6m13h 17m12h 15m11h 12m10h 20m9h 55m10h 8m10h 53m11h 52m12h 55m13h 51m14h 20m
Data source: Cowaramup daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cowaramup

In September, the winds in Cowaramup, Australia, settle into a gentle rhythm with an average speed of 6.4 m/s (14 mph). This marks a slight decrease from the breezy heights of July, when gusts reached up to 10.0 m/s (22 mph), providing a refreshing contrast as the seasons shift. Following the consistent winds of late winter, September offers a softer atmosphere, reminiscent of the transitional months ahead. As autumn approaches, the wind speed remains relatively stable, hinting at the coming months that typically see a mild increase, especially in October and November, which averages around 6.9 m/s (15 mph). This month serves as a gentle prelude to the breezier days of late spring and early summer, drawing both locals and visitors to revel in the serene, wind-kissed landscapes.

Average September Wind Speed in Cowaramup

The chart displays monthly wind speed patterns in Cowaramup, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.47.65.55.46.47.610.07.46.4 m/s6.96.77.0
Data source: Cowaramup September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cowaramup Compares to Other Months

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

In September, the weather is generally cooler, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 21°C (69°F) and an average of 15°C (59°F). This month also experiences greater precipitation, with about 68 mm (2.7 in) of rainfall over 13 days, accompanied by a humidity level of 71%. In contrast, January boasts warmer temperatures, ranging from a minimum of 13°C (56°F) to a comfortable maximum of 26°C (80°F) and an average of 20°C (68°F). With significantly less rainfall at only 8 mm (0.3 in) over just 1 day and increased humidity at 79%, January offers a drier and warmer climate. For more detailed information on January weather, you can visit Cowaramup weather in January.

September and February showcase distinct weather patterns. In September, temperatures range from a cool minimum of 9°C (49°F) to a comfortable maximum of 21°C (69°F), averaging around 15°C (59°F). This month experiences moderate precipitation, with 68 mm (2.7 in) spread across 13 days, and humidity levels around 71%. In contrast, February enjoys warmer temperatures, with a minimum of 15°C (60°F) and a high of 26°C (79°F), averaging 20°C (68°F). Precipitation is noticeably lighter at 36 mm (1.4 in) over just 2 days, and the humidity slightly increases to 81%. For more details on February weather, you can visit Cowaramup weather in February.

In comparing the weather of September and March, it's clear that March enjoys warmer temperatures, with minimums averaging around 14°C (57°F) compared to September's 9°C (49°F). March also boasts a higher average temperature of 20°C (68°F) and a maximum of 26°C (79°F), while September's max hovers at 21°C (69°F). Additionally, precipitation is markedly less in March, with only 37 mm (1.4 in) falling over about 5 days, in contrast to September's 68 mm (2.7 in) over 13 days. Humidity levels are relatively high in both months, but March slips slightly higher at 79% compared to September’s 71%. For more detailed weather patterns in March, you can check Cowaramup weather in March.

When comparing the weather in September and April, it is clear that April tends to be warmer and drier. In September, temperatures range from a minimum of 9°C to a maximum of 21°C, with an average of 15°C, while in April, temperatures are higher, ranging from a minimum of 12°C to a maximum of 25°C, averaging 19°C. Additionally, September experiences more rainfall, with 68 mm over 13 days, compared to April's 39 mm over just 6 days. However, April has slightly higher humidity at 77%, compared to September's 71%. For those looking for more details, you can check out Cowaramup weather in April.

When comparing the weather in September and May, we observe a slight increase in temperature during May, with average temperatures ranging from a minimum of 11°C (53°F) to a maximum of 22°C (72°F), compared to September's range of 9°C (49°F) to 21°C (69°F). While both months feature similar humidity levels at 71%, May experiences higher precipitation, averaging 97 mm (3.8 in) over approximately 12 days, compared to September’s 68 mm (2.7 in) over 13 days. This indicates that May tends to be warmer and wetter than September. For more details, check out Cowaramup weather in May.

When comparing the weather in September and June, we see some notable differences. September tends to have slightly cooler temperatures, with average highs reaching 21°C (69°F) compared to June, where the average is also 21°C (70°F), but with higher minimal temperatures starting at 10°C (50°F). Precipitation is significantly lower in September, with 68 mm (2.7 in) over 13 days, while June experiences much more rain at 147 mm (5.8 in) across 15 days. Despite similar humidity levels at 71%, the overall feel is quite different, with June often feeling wetter and more humid. For a detailed look at June weather, you can visit Cowaramup weather in June.

September's weather is generally milder than that of July, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 21°C (69°F). In comparison, July experiences slightly warmer temperatures, with minimums of 11°C (52°F) and a maximum of 20°C (69°F). While both months see similar average temperatures, July is significantly wetter, receiving 173 mm (6.8 in) of precipitation over 21 days, whereas September has only 68 mm (2.7 in) across 13 days. Both months maintain comparable humidity levels, around 70%. For more detailed insights, check out the Cowaramup weather in July.

September's weather shows a slight decrease in minimum temperatures compared to August, with a minimum of 9°C (49°F) versus August's 10°C (51°F). Both months maintain the same average temperature of 15°C (59°F), but September offers a warmer maximum of 21°C (69°F), while August peaks at 19°C (66°F). Precipitation in September is significantly lower, totaling 68 mm (2.7 in) over 13 days, compared to August's 141 mm (5.5 in) over 17 days, indicating a drier month. Humidity levels are quite similar, with September at 71% and August slightly lower at 70%. For more detailed weather insights, you can check Cowaramup weather in August.

September and October exhibit a gradual transition in weather conditions. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average of 15°C (59°F). The month sees a total precipitation of 68 mm (2.7 in) across 13 days, accompanied by a humidity level of 71%. In contrast, October brings slightly warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 22°C (72°F), and an average of 16°C (60°F). Precipitation decreases to 54 mm (2.1 in) over 9 days, while humidity rises to 75%. For more details on October weather, visit Cowaramup weather in October.

September and November exhibit notable differences in weather patterns. September tends to be cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), accompanied by higher precipitation at 68 mm (2.7 inches) over 13 days. In contrast, November showcases milder temperatures, with a minimum of 12°C (54°F) and a maximum of 24°C (76°F), and significantly less rainfall, totaling only 24 mm (1.0 inch) over just 4 days. Additionally, while September's humidity averages at 71%, November sees a slightly higher humidity level of 76%. For more detailed weather insights, you can check Cowaramup weather in November.

September and December present contrasting weather conditions. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 21°C (69°F), with an average of 15°C (59°F). The month is relatively wet, experiencing 68 mm (2.7 in) of precipitation over 13 days, contributing to a humidity level of 71%. In sharp contrast, December boasts significantly warmer temperatures, with a minimum of 13°C (55°F) and a maximum reaching 28°C (83°F), averaging 19°C (66°F). Precipitation drops to just 15 mm (0.6 in) across only 2 days, resulting in a higher humidity level of 79%. This shift highlights the transition from the cooler, wetter early fall to the warmer, drier conditions typical of late spring and summer in the region. For a detailed look at December weather, visit Cowaramup weather in December.

Compare Cowaramup's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cowaramup

As summer gives way to autumn, September in Cowaramup offers a refreshing transition, marked by cooler temperatures and increased rainfall when compared to the drier, warmer months that precede it. With an average temperature of 15°C (59°F), the crisp air invigorates outdoor activities, while the 71% humidity heightens the lush greenery of the landscape. This month sees around 13 days of precipitation, accumulating to 68 mm (2.7 in), a stark contrast to the typically dry conditions experienced in the preceding months. The blend of mild weather and occasional showers creates a vibrant atmosphere, perfect for enjoying the natural beauty of the region. For more detailed insights into seasonal patterns, explore Cowaramup Climate.