September Weather in Colac, Australia

Last updated: February 26, 2025

In September, Colac, Australia, experiences a refreshing transition into spring characterized by a maximum temperature reaching 24°C (75°F) and an average of 11°C (51°F). The cool nights can dip to a brisk 1°C (33°F), highlighting the chilly early days of the season. Rainfall is prevalent, with an average precipitation amount of 69 mm (2.7 in) spread across approximately 14 rainy days, contributing to the lush, vibrant landscape. With a humidity level of 76%, the air feels pleasantly crisp, making it an invigorating time to explore the natural beauty of the region.

September Temperature in Colac

In September, Colac, Australia, begins to emerge from the winter chill, marking a transition into spring with inviting temperatures. The minimum temperature hovers around 1°C (33°F) during the early month, gradually rising to a more comfortable 24°C (75°F) as the days progress. With an average of 11°C (51°F), residents can finally shed their winter layers and relish in the pleasant warmth of early spring. The steady increase in warmth and longer hours of daylight hint at the vibrant and blossoming season ahead, offering a delightful contrast to the colder months preceding it. This fluctuation not only rejuvenates the landscape but also uplifts the spirit of the community as outdoor activities beckon.

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

The chart illustrates September temperature patterns in Colac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec666463585249484851555962
Data source: Temperature data for Colac 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 Colac

In September, Colac experiences a notable spike in precipitation, with 69 mm (2.7 in) of rain falling over 14 days. This marks an increase from the drier months of winter, where July and August recorded 60 mm and 66 mm, respectively. The trend suggests a transition into the wetter spring season, offering a refreshing change to the landscape. As temperatures begin to rise alongside the rainfall, the lush greenery of the region flourishes, making September a pivotal month for both nature and the local agricultural landscape. This consistent rainfall not only sets the tone for the upcoming months but also highlights the region's rich climatic tapestry.

September Precipitation Trends in Colac

The chart displays monthly precipitation patterns in Colac, 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.
JanFebMarAprMayJunJulAugSepOctNovDec403646536741606669807445
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Colac

As September arrives in Colac, Australia, the humidity begins to ease slightly from the peak levels of the winter months, settling at 76%. This figure indicates a gradual decline from the 80% humidity recorded during the mid-year, showcasing a subtle transition toward the drier conditions of late spring and summer. The trend over the past months reveals a steady rise from January's 65%, with humidity consistently climbing throughout autumn, peaking in May. September's decrease hints at a refreshing shift, as the region prepares for brighter days ahead, while still maintaining a comfortable level of moisture in the air. The oscillation in humidity levels serves as a reminder of Colac's dynamic climate, balancing warmth and moisture in its seasonal dance.

September Average Humidity in Colac

This chart illustrates the average monthly humidity levels in Colac, 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.
JanFebMarAprMayJunJulAugSepOctNovDec65%67%71%75%80%80%81%79%76%72%72%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Colac

As spring approaches in September, Colac experiences a notable rise in the UV Index, reaching a level of 7, categorizing the sun's rays as high and resulting in a burn time of just 25 minutes. This marks a shift from the cooler months, where the index hovered around 3 to 4, indicating moderate exposure levels. The trend from summer's extreme UV exposure remains evident, but as the days grow longer and warmer, it's crucial for residents and visitors to stay vigilant against overexposure. With the index set to increase further in October, assessing sun safety is more important than ever. For more detailed information on UV levels, visit Colac UV Index.

Maximum UV Index Levels in Colac for September

The chart shows the monthly maximum UV Index (UVI) for Colac 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.
JanFebMarAprMayJunJulAugSepOctNovDec13121174334791114
Data source: Colac 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 Colac

As September unfolds in Colac, Australia, the sunshine begins to reclaim its dominance after the winter months, boasting 257 hours of bright, golden light. This marks a noticeable uplift from the cooler, cloudier days of June and July, reflecting a gradual resurgence as spring approaches. With the daylight hours steadily increasing, September serves as a delightful bridge between the lingering chill of winter and the vibrant warmth of summer. As the sun shines more frequently, the anticipation builds for October's 284 hours of sunlight, setting the stage for a colorful and lively season ahead. The trend indicates that after the dreariest months, Colac is ready to bask in a rejuvenating glow, inviting outdoor adventures and the beauty of nature's awakening.

Monthly Sunshine Duration in Colac: September Highlighted

The September sunshine duration represents the total number of hours Colac 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.
JanFebMarAprMayJunJulAugSepOctNovDec282h280h281h235h210h191h210h233h257h284h304h333h
Data source: Colac September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Colac During September

In Colac, Australia, September brings a 35% chance of sunny weather, aligning it closely with the sunniest months of April and October. This consistency suggests that while September is not a peak time for sunshine, it offers a reliable glimpse of bright days as winter fades. Following the cooler months of June and July, which see much lower probabilities of sun, the early spring warmth hints at an uplifting shift in the weather. With a relatively balanced chance of sunny days as summer approaches, September serves as a promising transition towards sunnier months ahead.

Percentage of Sunny Days in September in Colac

The chart illustrates the percentage of sunny days in Colac 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 Colac experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%41%33%36%34%25%23%35%35%33%31%50%
Data source: Colac September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Colac in September

As September unfolds in Colac, Australia, the daylight begins to lengthen once more, bringing 11 hours of sunshine to the mix. Following the chilly depths of winter, the days gradually brighten, marking a gentle transition towards spring. This increase in daylight is a precursor to the more vibrant months ahead, as October sees a leap to 13 hours and November and December bask in nearly 14 hours. The seasonal rhythm is evident, as each passing month reveals a gradual shift: from the longer, sun-soaked days of summer in January to the shorter, more subdued daylight in the winter months of June and July. September’s moderate daylight serves as a bridge, hinting at the warmer, sunnier days that lie just around the corner.

Average Daylight Hours in Colac for September

The chart illustrates the variation in daylight duration in Colac throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 28m13h 30m12h 17m11h 3m10h 2m9h 31m9h 46m10h 40m11h 50m13h 4m14h 11m14h 46m
Data source: Colac daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Colac

As September arrives in Colac, Australia, the winds begin to pick up, averaging 4.2 m/s (9 mph), marking a noticeable transition from the more tranquil breezes of earlier months. This uptick in wind speed reflects a late winter/early spring dynamic, as the area shifts from July’s brisk 4.3 m/s (10 mph) winds, paving the way for October’s gradual decline back to 3.6 m/s (8 mph). While September's winds may not be the strongest of the year, they signal the awakening of nature as the region prepares for the warmer months ahead. Overall, the trend from spring's ascent shows a dance of seasonal change, inviting locals and visitors to enjoy the invigorating gusts that herald the arrival of springtime freshness.

Average September Wind Speed in Colac

The chart displays monthly wind speed patterns in Colac, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.23.23.33.53.34.34.14.2 m/s3.63.53.4
Data source: Colac September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Colac Compares to Other Months

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

In September, the weather is characterized by a cooler climate with temperatures ranging from 1°C (33°F) to a maximum of 24°C (75°F), leading to an average temperature of about 11°C (51°F). This month experiences higher humidity levels at 76% and more frequent precipitation, with rain on 14 days totaling 69 mm (2.7 inches). In contrast, January brings significantly warmer conditions, with temperatures varying from a minimum of 8°C (47°F) to a blistering maximum of 38°C (101°F) and an average temperature of 19°C (66°F). This summer month sees less rainfall, only 40 mm (1.6 inches) over just 4 days, and slightly lower humidity at 65%. For more details, you can visit Colac weather in January.

When comparing the weather in September and February, notable differences emerge. September features cooler temperatures, with a minimum of 1°C (33°F) and an average of 11°C (51°F), peaking at 24°C (75°F). This month also sees considerable precipitation, with 69 mm (2.7 in) spread over 14 days and humidity levels around 76%. In contrast, February brings warmer conditions, where temperatures range from a minimum of 8°C (46°F) to a maximum of 36°C (97°F) and an average of 18°C (64°F). This month is drier, receiving only 36 mm (1.4 in) of rain over just 5 days, accompanied by lower humidity at 67%. For further insights into February weather patterns, visit Colac weather in February.

In comparing the weather of September and March, notable differences emerge. September experiences a broader temperature range, with minimums dipping to 1°C (33°F) and maximums reaching 24°C (75°F), while March boasts milder minimums at 6°C (43°F) and significantly higher maximums of up to 35°C (95°F). Although September has higher overall precipitation at 69 mm (2.7 in) over 14 days, March is comparatively drier, with just 46 mm (1.8 in) falling across only 6 days. Additionally, September's humidity sits at 76%, slightly higher than March's 71%, reflecting the transition into warmer months. For more detailed weather information, you can check Colac weather in March.

In comparing the weather conditions of September and April, it's evident that April generally brings warmer temperatures, with an average of 14°C (58°F) compared to September's 11°C (51°F). While September can have a maximum of 24°C (75°F), April can reach up to 30°C (86°F), showcasing a significant difference in the warmer end of the spectrum. Precipitation levels are slightly lower in April, averaging 53 mm (2.1 in) over about 8 days, whereas September sees 69 mm (2.7 in) across 14 days. Humidity remains relatively constant between the two months, with September at 76% and April at 75%. For a closer look at the specific conditions in April, you can visit Colac weather in April.

In comparing the weather between September and May, both months showcase relatively mild temperatures, with September maxing out at 24°C (75°F) and May reaching a high of 22°C (72°F). The average temperature remains consistent at around 11°C (51°F to 53°F) for both months. However, September typically experiences slightly cooler nights with a minimum temperature of 1°C (33°F), compared to May’s 2°C (36°F). Precipitation levels are quite comparable, with September receiving 69 mm (2.7 in) over 14 days and May slightly less at 67 mm (2.6 in) over 11 days. Humidity is marginally higher in May at 80%, while September sits at 76%. For a more detailed look at the weather in May, check out Colac weather in May.

When comparing the weather in September and June, September tends to be warmer with an average temperature of 11°C (51°F) and a maximum of 24°C (75°F), while June typically has cooler conditions with an average of 9°C (49°F) and a maximum of 17°C (63°F). In terms of precipitation, September experiences more rainfall, totaling 69 mm (2.7 in) over 14 days, compared to June's 41 mm (1.6 in) over 9 days. Additionally, humidity levels are relatively high in both months, with September at 76% and June slightly higher at 80%. For more insights into June's climate, check out Colac weather in June.

September generally offers warmer temperatures compared to July, with average highs reaching up to 24°C (75°F) and lows around 1°C (33°F). In contrast, July sees significantly cooler conditions, averaging a high of only 16°C (61°F) and a similar low of 1°C (34°F). Precipitation levels are relatively close, with September receiving 69 mm (2.7 in) over 14 days, while July has slightly less at 60 mm (2.4 in) across 12 days. Humidity remains high during both months, with September at 76% and July slightly higher at 80%. For a closer look at the weather specifics for July, you can check Colac weather in July.

In comparing the weather of September and August, September generally exhibits warmer temperatures, with an average of 11°C (51°F), compared to August's average of 9°C (49°F). The maximum temperature in September reaches up to 24°C (75°F), significantly higher than August's peak of 18°C (65°F). Additionally, while both months experience similar precipitation levels of around 69 mm (2.7 in) in September and 66 mm (2.6 in) in August, the humidity remains slightly lower in September at 76% compared to 79% in August. For a more detailed look at August's weather, visit Colac weather in August.

September tends to be cooler with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 24°C (75°F), while October offers slightly warmer conditions, featuring a minimum of 3°C (37°F) and a maximum of 29°C (85°F). Precipitation is fairly consistent in both months, with September receiving 69 mm (2.7 in) over 14 days and October seeing a slight increase to 80 mm (3.1 in) across 11 days. Humidity levels drop from 76% in September to 72% in October, which can make the warmer days feel more comfortable. For more detailed information about October weather in Colac, you can visit Colac weather in October.

September and November offer noticeably different weather patterns. In September, temperatures range from a chilly minimum of 1°C (33°F) to a maximum of 24°C (75°F), with an average of 11°C (51°F). The month experiences 69 mm (2.7 in) of precipitation over 14 days, contributing to a relatively high humidity of 76%. In contrast, November sees slightly warmer conditions, with minimum temperatures at 4°C (40°F), an average of 15°C (59°F), and a peak of 33°C (91°F). Although November has a similar amount of precipitation at 74 mm (2.9 in), it falls over fewer days (9 days) and presents a lower humidity level of 72%. For a deeper dive into November weather specifics, check Colac weather in November.

In September, temperatures range from a brisk 1°C (33°F) at night to a comfortable average of 11°C (51°F) during the day, peaking at 24°C (75°F). Despite the mild warmth, the month is marked by higher humidity at 76% and significant precipitation, with 69 mm (2.7 in) over 14 days. In contrast, December experiences warmer nights with a minimum temperature of 5°C (41°F) and averages around 17°C (62°F), soaring to an impressive maximum of 40°C (104°F). The month sees less rain, accumulating only 44 mm (1.8 in) over just 7 days, while humidity decreases to 69%. For more detailed insights, check out Colac weather in December.

Compare Colac's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Colac

As September unfolds in Colac, the weather begins to shift dramatically, marking a transition from the chill of winter to the warmth of spring. Days grow noticeably brighter and milder, with temperatures reaching a maximum of 24°C, inviting residents and visitors alike to enjoy the great outdoors. However, the month also brings its share of rain, with about half the days experiencing some form of precipitation. This increase in humidity at 76% adds a refreshing touch to the air, making it a unique time of year compared to the drier summer months. For those looking to understand more about the region's climate throughout the year, a visit to Colac Climate provides a comprehensive overview.