September Weather in Bacchus Marsh, Australia

Last updated: February 26, 2025

September in Bacchus Marsh, Australia is characterized by a dynamic climate, with maximum temperatures reaching a warm 28°C (82°F) and a comfortable average of 11°C (52°F). The month starts to transition from the coolness of winter, with minimum temperatures dropping to a brisk 1°C (33°F) at night. Rainfall is prevalent, with an average precipitation of 49 mm (1.9 in) spread over 10 days, contributing to a relative humidity of 72%. This mix of warmth and moisture revitalizes the landscape, making it a vibrant time for nature enthusiasts and local agriculture alike.

September Temperature in Bacchus Marsh

In September, Bacchus Marsh begins to shed the cold grip of winter, signaling the arrival of spring with a gentle warming trend. The temperatures reflect this change, starting with minimums around 1°C (33°F), while average daily temperatures rise to a mild 11°C (52°F). As the month progresses, maximum temperatures can reach a pleasant 28°C (82°F), making it a delightful time for outdoor activities. This transitional month showcases the region’s shift from chilly nights to comfortably warm days, highlighting the beauty of nature as it awakens from its winter slumber. Overall, September serves as a promising prelude to the warmer months ahead.

September Weather in Bacchus Marsh: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bacchus Marsh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec686564585248484852566063
Data source: Temperature data for Bacchus Marsh 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 Bacchus Marsh

In September, Bacchus Marsh experiences a significant shift in precipitation patterns, recording 49 mm (1.9 in) of rain over 10 days. This amount ties with August, marking a consistent trend in late winter and early spring rainfall. As spring progresses, the region typically transitions to increased rainfall, setting the stage for even wetter months ahead. The data highlights a gradual uptick from the drier winter months, indicating a vital period for local agriculture as the landscape prepares for the growing season. With October poised to receive even more with 69 mm (2.7 in), September signifies a bridge between the drier winter and the more abundant spring rains, reflecting Bacchus Marsh's seasonal metamorphosis.

September Precipitation Trends in Bacchus Marsh

The chart displays monthly precipitation patterns in Bacchus Marsh, 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.
JanFebMarAprMayJunJulAugSepOctNovDec444237395748354949697063
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bacchus Marsh

In September, Bacchus Marsh experiences a notable shift in humidity levels, with an average of 72% that marks a gradual decline from the summer peak. This month serves as a transitional phase, bridging the higher humidity of the winter months, which reached a peak of 83% in July and 81% in June. As the region moves towards spring, humidity decreases significantly, hinting at the warmer months ahead. The trend showcases a general pattern of increasing humidity from January's more comfortable 43% up to July's high, followed by a steady decline that will continue into October, which is forecasted at 61%. Overall, September's humidity reflects the seasonal changes characteristic of Bacchus Marsh, offering a fresh yet comfortable atmosphere as the year moves forward.

September Average Humidity in Bacchus Marsh

This chart illustrates the average monthly humidity levels in Bacchus Marsh, 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.
JanFebMarAprMayJunJulAugSepOctNovDec43%49%60%71%79%82%83%79%72%61%59%50%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bacchus Marsh

As September arrives in Bacchus Marsh, Australia, the UV Index climbs to 7—a significant step up from the milder 4 observed in May and 3 during the winter months of June and July. This month falls into the high exposure category, meaning sun protection is essential, with a burn time of just 25 minutes for most individuals. It's a sign that warmer days are just around the corner, as the UV Index will continue to rise in October, reaching 9 (very high), before peaking again in the summer months. Awareness of these changes is crucial for your health and safety when enjoying the outdoors. For more detailed information on the UV Index throughout the year, visit Bacchus Marsh UV Index.

Maximum UV Index Levels in Bacchus Marsh for September

The chart shows the monthly maximum UV Index (UVI) for Bacchus Marsh 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.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791214
Data source: Bacchus Marsh 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 Bacchus Marsh

As September arrives in Bacchus Marsh, Australia, the days begin to noticeably stretch with 259 hours of sunshine, marking a delightful transition into spring. This month experiences a rise in sunlight compared to the cooler winter months, effectively bridging the gap from the damp chill of June and July, which recorded only 193 and 208 hours respectively. The increasing daylight continues a trend from August, where 229 hours hinted at the warmer season ahead. Such a consistent climb in sunshine hours is emblematic of Bacchus Marsh's inviting climate, setting the stage for the vibrant blooms of October and beyond, which feature some of the highest sunshine averages of the year. As the region shakes off winter's grip, September offers a promising glimpse of the warmth and brightness that await.

Monthly Sunshine Duration in Bacchus Marsh: September Highlighted

The September sunshine duration represents the total number of hours Bacchus Marsh 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.
JanFebMarAprMayJunJulAugSepOctNovDec284h295h291h240h212h193h208h229h259h284h294h339h
Data source: Bacchus Marsh September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bacchus Marsh During September

In September, Bacchus Marsh experiences a 40% chance of sunny weather, aligning closely with the sunnier months of February and August, which boast chances of 40% and 39% respectively. This optimism for sun follows the winter months, where the likelihood dips to the low 30s, illustrating a welcomed transition into spring. As temperatures rise and the days grow longer, September serves as a promising prelude to the sunnier months ahead, making it an ideal time for outdoor activities in this charming Australian locale.

Percentage of Sunny Days in September in Bacchus Marsh

The chart illustrates the percentage of sunny days in Bacchus Marsh 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 Bacchus Marsh experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%40%33%41%40%29%32%39%40%36%29%47%
Data source: Bacchus Marsh September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bacchus Marsh in September

As the seasons change in Bacchus Marsh, Australia, September heralds a subtle return of longer days, with daylight extending to 11 hours. Following the deepening shortness of winter, this month marks a noticeable increase in sunlight, providing a welcome shift from the 9 hours seen in the heart of winter. Although September maintains a balance between the previous months, it foreshadows the approaching spring and summer, where daylight duration will continue to rise dramatically. By contrast, the peak months of December and January boast 14 hours of sun, creating a vibrant cycle of light that captivates the region. Each month’s daylight pattern not only reflects the changing seasons but also beckons outdoor activities as nature awakens from its wintry slumber.

Average Daylight Hours in Bacchus Marsh for September

The chart illustrates the variation in daylight duration in Bacchus Marsh throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 25m13h 28m12h 17m11h 4m10h 4m9h 35m9h 50m10h 42m11h 50m13h 3m14h 8m14h 42m
Data source: Bacchus Marsh daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bacchus Marsh

As September rolls into Bacchus Marsh, the breeze picks up slightly, averaging 4.4 m/s (10 mph), making it one of the windier months of the year. This shift follows the progression from the cooler winter months, where winds reached a peak of 4.7 m/s (10 mph) in July, and then softened a little in August. It's interesting to note that September's winds are a continuation of this trend of increasing gusts, hinting at the warmer spring days to come. The consistent wind speeds throughout the year, peaking in mid-winter and early spring, suggest a climate that keeps its energy flowing, preparing nature for the vibrant bloom of the season ahead.

Average September Wind Speed in Bacchus Marsh

The chart displays monthly wind speed patterns in Bacchus Marsh, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.43.13.43.73.84.74.34.4 m/s3.83.83.6
Data source: Bacchus Marsh September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bacchus Marsh Compares to Other Months

The weather in Bacchus Marsh 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 Bacchus Marsh and find detailed weather information for every month.

September and January present notably different weather patterns. In September, temperatures range from a cool minimum of 1°C (33°F) to a maximum of 28°C (82°F), with an average of around 11°C (52°F). The month experiences moderate precipitation, totaling 49 mm (1.9 in) over approximately 10 days, and carries a relatively high humidity level of 72%. In contrast, January showcases warmer conditions, with temperatures starting at a minimum of 7°C (45°F) and soaring to a scorching maximum of 43°C (110°F), averaging 20°C (68°F). The rainfall is slightly lesser at 44 mm (1.7 in), occurring on only 6 days, contributing to a drier atmosphere with humidity at 43%. For a more detailed look at January weather, you can visit Bacchus Marsh weather in January.

When comparing the weather in September and February, we see distinct differences in temperature and humidity. September experiences a wider range, with minimum temperatures dipping to 1°C (33°F) and maximums reaching 28°C (82°F), averaging around 11°C (52°F). This month also sees moderate precipitation with 49 mm (1.9 in) spread across 10 days and a higher humidity of 72%. In contrast, February tends to be warmer, with minimum temperatures around 6°C (44°F) and maximums soaring to 43°C (109°F), averaging 18°C (66°F). It has slightly less precipitation at 42 mm (1.6 in) over just 5 days, accompanied by lower humidity at 49%. For more detailed insights into February weather, you can check Bacchus Marsh weather in February.

In September, temperatures range from a chilly minimum of 1°C (33°F) to a warm maximum of 28°C (82°F), with an average of 11°C (52°F). The month experiences around 49 mm (1.9 in) of rainfall over approximately 10 days, accompanied by a relatively high humidity level of 72%. In contrast, March sees generally warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to a scorching maximum of 38°C (101°F), averaging 18°C (64°F). Precipitation decreases slightly to 37 mm (1.4 in) over just 6 days, and the humidity lowers to 60%. For more details on weather conditions in March, visit Bacchus Marsh weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. In September, temperatures range from a minimum of 1°C to a maximum of 28°C, with an average of 11°C. This month sees around 49 mm of precipitation over approximately 10 days, resulting in a slightly higher humidity level of 72%. In contrast, April experiences warmer temperatures, with a minimum of 3°C and a maximum of 31°C, and an average of 14°C. Additionally, April has less rain, totaling about 39 mm over just 5 days, and a similar humidity level of 71%. For more details, you can visit Bacchus Marsh weather in April.

When comparing the weather between September and May, some interesting similarities and differences emerge. Both months feature a similar temperature range, with September having a maximum of 28°C (82°F) and May reaching a maximum of 25°C (77°F). However, September tends to be slightly warmer overall, making it feel more like summer. In terms of precipitation, September receives about 49 mm (1.9 in) over 10 days, whereas May sees a bit more rain, totaling 57 mm (2.2 in) in just 8 days. Additionally, humidity levels are slightly higher in May at 79% compared to September's 72%. For more detailed information about May weather in Bacchus Marsh, you can visit Bacchus Marsh weather in May.

September and June in Bacchus Marsh showcase distinct weather patterns. September experiences a wider temperature range, with minimums of 1°C (33°F) and maximums reaching up to 28°C (82°F), resulting in a more temperate average of 11°C (52°F). Conversely, June has cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 18°C (65°F), averaging 9°C (49°F). Both months see similar precipitation levels, with September receiving 49 mm (1.9 in) over 10 days, while June has slightly lower rainfall at 48 mm (1.9 in) across 7 days. Additionally, June's humidity is notably higher at 81%, compared to September's 72%. For detailed insights on June weather, see Bacchus Marsh weather in June.

When comparing the weather in September and July, September tends to be warmer with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 28°C (82°F), averaging at 11°C (52°F). In contrast, July sees cooler conditions, with temperatures ranging from -1°C (31°F) to a maximum of 18°C (65°F), averaging 9°C (48°F). Additionally, September experiences greater warmth and lower humidity at 72%, while July has a higher humidity level of 83%. Both months receive rain on about 10 days, but September has a higher total precipitation of 49 mm (1.9 in) compared to July's 35 mm (1.4 in). For more details about the July weather specifically, you can visit Bacchus Marsh weather in July.

In comparing the weather of September and August, September experiences a broader temperature range, with minimums around 1°C (33°F) and maximums reaching 28°C (82°F), compared to August's cooler range of -3°C (27°F) to 20°C (69°F). While both months receive similar amounts of precipitation at 49 mm (1.9 in), September has slightly less rain, falling on 10 days compared to 11 days in August. Additionally, September's humidity is lower at 72%, while August maintains a higher humidity level of 79%. For more details about August weather, you can refer to Bacchus Marsh weather in August.

In September, the temperatures ranged from a chilly minimum of 1°C (33°F) to a pleasant maximum of 28°C (82°F), with an average of 11°C (52°F). The month saw around 49 mm (1.9 in) of precipitation over 10 days, and humidity levels were relatively high at 72%. In contrast, October presents slightly warmer conditions with a minimum temperature remaining steady at 1°C (34°F) but a higher average of 13°C (56°F) and a maximum reaching up to 33°C (91°F). However, October also brings increased precipitation, totaling 69 mm (2.7 in) over 12 days, while humidity drops to 61%. For more specifics on the October climate, you can check Bacchus Marsh weather in October.

In comparing the weather between September and November, we see notable differences in temperature and humidity levels. September's temperatures range from a chilly minimum of 1°C (33°F) to a pleasant average of 11°C (52°F), with highs reaching up to 28°C (82°F). In contrast, November experiences milder conditions, with a minimum of 3°C (38°F) and a significantly warmer average of 16°C (61°F), peaking at an impressive 39°C (102°F). Additionally, precipitation in November is slightly higher at 70 mm (2.8 in) over 11 days, compared to September's 49 mm (1.9 in) across 10 days, while the humidity drops from 72% in September to 59% in November. For more detailed insights on November conditions, check out Bacchus Marsh weather in November.

September and December in Bacchus Marsh present distinct weather patterns. In September, the temperatures range from a minimum of 1°C (33°F) to a maximum of 28°C (82°F), with an average of 11°C (52°F) and relatively high humidity at 72%. This month experiences some rainfall, totaling 49 mm (1.9 in) over 10 days. In contrast, December boasts warmer temperatures, with a minimum of 5°C (42°F) and a scorching maximum of 44°C (111°F), averaging 17°C (64°F). The precipitation increases slightly to 63 mm (2.5 in) but occurs over just 8 days, and humidity drops noticeably to 50%. For a detailed overview, check out the link: Bacchus Marsh weather in December.

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Conclusion: What to Expect From September Weather in Bacchus Marsh

As we transition into September, Bacchus Marsh showcases a delightful mix of warm and cool temperatures, offering a refreshing escape from the winter chill. With a maximum temperature reaching a comfortable 28°C (82°F), the month heralds the arrival of spring, contrasting sharply with the cooler mornings that can dip to a brisk 1°C (33°F). While the average temperature settles around a pleasant 11°C (52°F), the region also experiences increased humidity at 72%, making the air feel more alive. Although 49 mm of precipitation graces the month over 10 days, these showers are often welcome, nourishing the blooming flora and enhancing the vibrant landscapes. For more insights about the climate and to explore how Bacchus Marsh warms up for spring, visit Bacchus Marsh Climate.