September Weather in West Busselton, Australia

Last updated: February 25, 2025

In West Busselton, Australia, September ushers in a mild climate, with maximum temperatures reaching 22°C (72°F) and an average of 14°C (57°F). As the cool month transitions, nighttime lows can dip to a brisk 6°C (42°F). Expect frequent rains, with 58 mm (2.3 in) of precipitation spread across 10 rainfall days, contributing to a relatively high humidity level of 71%. This blend of mild temperatures and occasional showers creates a vibrant atmosphere, perfect for exploring the region's natural beauty while enjoying the refreshing spring air.

September Temperature in West Busselton

As September unfolds in West Busselton, Australia, temperatures begin to show signs of the approaching spring, creating a refreshing shift from the chill of winter. With a minimum of 6°C (42°F) and an average temperature of 14°C (57°F), the month brings a sense of rejuvenation. The days gradually warm up, peaking at a maximum of 22°C (72°F), inviting outdoor activities and exploration. This month bridges the cooler winter months and the more temperate late spring, making it an ideal time to enjoy the blossoming landscapes and embrace the invigorating coastal atmosphere. As the mercury rises, the region opens up to longer, sunnier days, hinting at the delightful seasons ahead.

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

The chart illustrates September temperature patterns in West Busselton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec696968646058565557596267
Data source: Temperature data for West Busselton 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 West Busselton

In September, West Busselton experiences a moderate dip in precipitation compared to the winter months, receiving 58 mm (2.3 in) of rain over 10 days. This marks a notable decrease from the heavier rainfall seen in July and August, which frequently exceeded 100 mm. As spring begins to bloom, the weather starts transitioning toward drier conditions, with precipitation levels consistently reducing into October, where only 49 mm (1.9 in) is recorded over 8 days. This trend highlights September as a month of shifting weather patterns, hinting at the gradual approach of warmer and drier days ahead, while still retaining enough rainfall to support the region's lush landscapes.

September Precipitation Trends in West Busselton

The chart displays monthly precipitation patterns in West Busselton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83237327411012910559492414
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in West Busselton

As September arrives in West Busselton, Australia, humidity begins to show signs of retreat from the winter highs, maintaining a level of 71%. This marks a gradual decline from the peak of 77% recorded in both June and July, reflecting the transition into spring. Following the winter months, which boasted elevated humidity, September's levels signal a moderation that continues into October, where the humidity dips to 63%. Interestingly, the month showcases a balance between the lingering coolness of the departing winter and the warmth of spring, making it a refreshing time of year as nature awakens and the climate prepares for sunnier days ahead.

September Average Humidity in West Busselton

This chart illustrates the average monthly humidity levels in West Busselton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec53%55%59%70%72%77%77%75%71%63%56%53%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in West Busselton

As September rolls in West Busselton, Australia, the UV Index begins to rise, hitting 8 and categorized as very high. This marks a shift from the moderate levels of winter, where the burn time extended to 30 minutes. Now, with only 15 minutes before skin damage can occur, it’s essential to stay vigilant in protecting yourself from the sun's rays. The transition signals the approach of warmer months, as the UV Index will likely continue to climb through October and beyond. Emphasizing the need for sun safety, this trend highlights the importance of awareness in outdoor activities. For those seeking detailed updates, visit West Busselton UV Index to stay informed and enjoy the sunshine responsibly!

Maximum UV Index Levels in West Busselton for September

The chart shows the monthly maximum UV Index (UVI) for West Busselton 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: West Busselton 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 West Busselton

As September unfolds in West Busselton, the region basks in 290 hours of sunlight, promising a delightful transition into spring. This month marks a notable resurgence from the shorter, gloomier days of winter, which peaked with only 253 hours in June. Gradually, the, daylight has been increasing, with September showcasing a robust uptick from August's 279 hours. The trend reveals a consistent climb towards the sunniest months ahead, with October and November highlighting dramatic increases of 319 and 345 hours, respectively. Thus, as the vivid blooms of spring start to emerge, so too does the radiant promise of longer days bathed in golden sunshine.

Monthly Sunshine Duration in West Busselton: September Highlighted

The September sunshine duration represents the total number of hours West Busselton 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.
JanFebMarAprMayJunJulAugSepOctNovDec309h316h317h281h269h253h261h279h290h319h345h380h
Data source: West Busselton September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in West Busselton During September

In West Busselton, Australia, September marks a transition into spring, showcasing a 56% chance of sunny weather. This is an improvement compared to the cooler months of July and August, where sunshine probabilities dipped to 39% and 50%, respectively. Although September's sunny days are outpaced by the peak summer months of January (72%) and February (62%), it does signal a return to brighter days. The sunny prospects in September mirror those of November, both offering a hopeful outlook for outdoor activities and a refreshing change after the chillier winter months. As the region shifts toward warmer weather, residents and visitors alike can look forward to more delightful sun-kissed days ahead.

Percentage of Sunny Days in September in West Busselton

The chart illustrates the percentage of sunny days in West Busselton 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 West Busselton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec72%62%49%46%32%41%39%50%56%39%56%72%
Data source: West Busselton September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in West Busselton in September

As September unfolds in West Busselton, Australia, daylight begins to reclaim its prominence after the winter months, offering approximately 11 hours of sunlight. This marks a slight increase from the 10 hours observed in both July and August, indicating the gradual transition towards the longer days of spring and summer. Notably, the pattern of daylight duration throughout the year shows a rhythmic fluctuation, with the longest days occurring in January and December (14 hours), while the depths of winter, specifically June, see the least at just 9 hours. The return of longer days in September sets the stage for the upcoming warmth and vibrancy of summer, as nature gradually awakens from its winter slumber.

Average Daylight Hours in West Busselton for September

The chart illustrates the variation in daylight duration in West Busselton throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 5m13h 16m12h 15m11h 13m10h 21m9h 56m10h 9m10h 53m11h 52m12h 55m13h 51m14h 19m
Data source: West Busselton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in West Busselton

In September, the winds begin to mellow in West Busselton, Australia, with an average speed of 4.6 m/s (10 mph), marking a slight decrease from the breezy heights of winter. Following the winter months, where gusts reached up to 6.9 m/s (15 mph) in July, early spring brings a gentle shift, embracing a calmer atmosphere. This transitional phase sets the stage for the transition into warmer months, as wind speeds gradually rise again in October. Overall, September offers a refreshing balance, inviting both locals and visitors to enjoy the outdoors in a breezy yet pleasant environment.

Average September Wind Speed in West Busselton

The chart displays monthly wind speed patterns in West Busselton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.54.13.84.45.16.95.14.6 m/s4.84.85.1
Data source: West Busselton September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in West Busselton Compares to Other Months

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

The weather in September is characterized by cooler temperatures, with a minimum of 6°C (42°F) and an average of 14°C (57°F), peaking at 22°C (72°F). This month also sees more precipitation, averaging 58 mm (2.3 in) over about 10 days and higher humidity at 71%. In contrast, January brings much warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 33°C (91°F), and a significantly lower average of 20°C (69°F). Additionally, January has minimal rainfall, only 8 mm (0.3 in) over just 1 day, and a drop in humidity to 52%. For a detailed look at January weather, visit West Busselton weather in January.

When comparing the weather in September and February, notable differences emerge. September features cooler temperatures, ranging from a minimum of 6°C (42°F) to a maximum of 22°C (72°F), with an average of 14°C (57°F). In contrast, February enjoys much warmer conditions, with temperatures fluctuating between 12°C (54°F) and 31°C (89°F), averaging around 21°C (69°F). Additionally, September experiences higher humidity at 71% and more precipitation, totaling 58 mm (2.3 in) over 10 days. February, on the other hand, is relatively drier, with only 32 mm (1.3 in) of rain falling over just 3 days and a lower humidity level of 55%. For a detailed look at February weather in the region, check out West Busselton weather in February.

When comparing the weather in September and March, notable differences emerge. September typically experiences cooler temperatures, with a minimum of 6°C (42°F), an average of 14°C (57°F), and a maximum of 22°C (72°F). This month is also characterized by higher humidity at 71% and more frequent rain, totaling 58 mm (2.3 in) across about 10 days. In contrast, March boasts warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 32°C (91°F) and a comfortable average of 20°C (68°F). Additionally, March sees less precipitation, with only 37 mm (1.4 in) over about 4 days and lower humidity at 59%. For more detailed information, you can check West Busselton weather in March.

In comparing the weather of September and April, we see notable differences in temperature and precipitation patterns. September tends to be cooler, with minimum temperatures around 6°C (42°F) and maximums reaching 22°C (72°F), while April enjoys warmer averages, ranging from 9°C (49°F) to a high of 28°C (82°F). Additionally, September experiences more rainfall, with 58 mm (2.3 in) over 10 days, compared to April's 32 mm (1.3 in) over just 4 days. Humidity levels remain fairly similar, hovering around 70-71%. For more detailed information, you can check out West Busselton weather in April.

In comparing the weather of September and May, we see some subtle differences. September starts with cooler temperatures, featuring a minimum of 6°C (42°F) and averaging around 14°C (57°F), while May enjoys slightly warmer conditions with a minimum of 8°C (47°F) and an average temperature of 15°C (60°F). Both months witness similar levels of precipitation, with September receiving 58 mm (2.3 in) over approximately 10 days, and May experiencing a bit more rainfall at 74 mm (2.9 in) over about 9 days. Humidity levels remain comparable, hovering around 71% in September and 72% in May. For a detailed look at the weather in May, you can visit West Busselton weather in May.

When comparing the weather in September and June, we see some notable differences. In September, temperatures range from a minimum of 6°C (42°F) to a maximum of 22°C (72°F), with an average temperature of 14°C (57°F). The month experiences around 58 mm (2.3 in) of precipitation over 10 days, with a humidity level of 71%. In contrast, June sees slightly higher temperatures with a minimum of 8°C (46°F) and a maximum of 21°C (70°F), maintaining an average of 14°C (58°F). However, June has a significantly higher rainfall of 110 mm (4.3 in) over 12 days, coupled with increased humidity at 77%. For more detailed information, you can check West Busselton weather in June.

When comparing the weather in September to that of July, September tends to be slightly warmer, with average temperatures reaching 14°C (57°F) and maximums of 22°C (72°F) compared to July's maximum of 20°C (68°F). While both months have similar average temperatures, July experiences more precipitation, totaling 129 mm (5.1 in) over 16 days, whereas September sees less rain at 58 mm (2.3 in) over just 10 days. Additionally, humidity levels are higher in July at 77%, compared to 71% in September. For more specific details on July weather, you can check West Busselton weather in July.

In comparing the weather of September to August, September presents slightly cooler temperatures with a minimum of 6°C (42°F) and an average of 14°C (57°F), while August has a minimum of 7°C (45°F) and averages slightly lower at 13°C (56°F). The maximum temperatures are very similar, with September reaching up to 22°C (72°F) and August peaking at 21°C (69°F). Precipitation in September is notably less, accumulating to 58 mm (2.3 in) over 10 days, whereas August experiences higher rainfall with 105 mm (4.1 in) over 11 days. Humidity levels are also slightly lower in September at 71%, compared to August’s 75%. For further details on August weather, you can refer to West Busselton weather in August.

In September, the weather features a minimum temperature of 6°C (42°F) and a maximum of 22°C (72°F), with an average of 14°C (57°F). The month experiences about 58 mm (2.3 in) of precipitation over 10 days, contributing to a humidity level of 71%. In contrast, October sees a slight rise in average temperature to 15°C (59°F), with highs reaching up to 28°C (83°F). Precipitation decreases to 49 mm (1.9 in) over 8 days, and the humidity drops to 63%. Overall, October tends to be warmer and slightly drier than September. For more specific details about October's weather in West Busselton, visit West Busselton weather in October.

In comparing the weather of September and November, we see notable differences in temperature and precipitation. September experiences a cooler climate with minimum temperatures around 6°C (42°F) and an average of 14°C (57°F), while November boasts milder conditions with a minimum of 7°C (45°F) and an average of 17°C (63°F). The maximum temperature also rises significantly in November, reaching up to 30°C (87°F), compared to September's peak of 22°C (72°F). Additionally, September has higher precipitation levels, with 58 mm (2.3 in) over 10 days, while November sees only 24 mm (0.9 in) across just 4 days. Humidity is also lower in November at 56% compared to September's 71%. For more detailed information, you can check West Busselton weather in November.

In September, the weather is cooler and more variable, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 22°C (72°F) and an average temperature of 14°C (57°F). This month sees significant precipitation, totaling 58 mm (2.3 in) over about 10 days, and humidity levels are relatively high at 71%. In contrast, December brings much warmer conditions, with temperatures ranging from a minimum of 9°C (48°F) to a scorching maximum of 37°C (99°F) and an average of 20°C (67°F). The rainfall is minimal, with only 14 mm (0.5 in) over just 2 days, and humidity drops to a comfortable 53%. For more weather details, you can check West Busselton weather in December.

Compare West Busselton's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in West Busselton

As September rolls in, West Busselton experiences a refreshing transition from the winter chill to the more moderate temperatures of spring. The average temperature gradually rises, with the pleasant warmth reaching a comfortable peak, while mornings can still be cool. This month also sees an uptick in humid conditions, coupled with frequent showers that bring a total precipitation amount characteristic of early spring's unpredictable weather. Despite the rain, the vibrant flora begins to bloom, offering a stunning natural display. For a more detailed insight into how the weather patterns evolve throughout the year, check out West Busselton Climate.