September Weather in Castlemaine, Australia

Last updated: February 26, 2025

In Castlemaine, Australia, September brings a dynamic climate marked by maximum temperatures reaching a pleasant 27°C (82°F), while the average lingers around a cool 10°C (50°F). Residents and visitors may occasionally feel the chill, as minimum temperatures can dip to a brisk -1°C (30°F). This month typically witnesses 42 mm (1.7 in) of precipitation spread over 10 days, contributing to a humidity level of 72%, which adds a refreshing feel to the crisp air. As spring awakens, enjoy the temperate days and the occasional shower that nurtures the local flora.

September Temperature in Castlemaine

As September rolls into Castlemaine, Australia, the transition from winter to spring brings a notable shift in temperatures. The month kicks off with chilly evenings, as nighttime lows dip to around -1°C (30°F), but residents can expect a pleasant daytime average of 10°C (50°F). The warmth gradually intensifies, peaking at a delightful 27°C (82°F), perfect for enjoying the burgeoning springtime. This upward trend in temperature signals the end of the colder months and invites the blossoming of nature, making September an ideal time to explore the picturesque landscapes of Castlemaine. The month effectively bridges the cooler, crisp air of winter with the sunny, vibrant days of spring, showcasing the region’s climatic diversity.

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

The chart illustrates September temperature patterns in Castlemaine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec716865585046454650566166
Data source: Temperature data for Castlemaine 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 Castlemaine

September in Castlemaine experiences a moderate precipitation level of 42 mm (1.7 in), making it a slightly wetter month compared to the earlier spring months. With rain falling over 10 days, the consistent drizzle contributes to the region's lush landscapes, paving the way for the vibrant blooms of spring. In the context of annual trends, September’s rainfall is notably lower than the preceding months of May (60 mm) and August (60 mm), where the region often receives the heaviest downpours. However, the precipitation is a crucial factor as the area transitions into October, which typically ushers in 58 mm (2.3 in) of rain, keeping the environment refreshed and thriving.

September Precipitation Trends in Castlemaine

The chart displays monthly precipitation patterns in Castlemaine, 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.
JanFebMarAprMayJunJulAugSepOctNovDec252825476047526042585144
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castlemaine

As the seasons transition in Castlemaine, September showcases a notable shift in humidity, settling at 72%. This level reflects a gradual decline from the peak humidity experienced in the winter months, where it reached a high of 83% in July and 81% in June. Following the intensely humid winter, September's readings indicate the approach of spring, marked by a slight reduction in moisture that heralds warmer days ahead. Overall, the trend reveals a gradual increase in humidity from early to late autumn, peaking mid-year before starting its decline, suggesting a natural ebb and flow in Castlemaine's climate as it prepares for a new season.

September Average Humidity in Castlemaine

This chart illustrates the average monthly humidity levels in Castlemaine, 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 Castlemaine

As September rolls around in Castlemaine, the UV Index reflects a transition in the seasonal sunlight, peaking at 7, which falls into the high exposure category. This indicates that while it's time to enjoy the warming rays of spring, caution is still advised, with a burn time of just 25 minutes. Following a string of moderate months during winter, the UV levels are climbing again, signaling the approach of more intense sun exposure in the months to come. It’s essential to stay informed, especially as October approaches, where the UV Index reaches 9, marking the onset of very high levels. For a detailed overview of UV trends, visit Castlemaine UV Index.

Maximum UV Index Levels in Castlemaine for September

The chart shows the monthly maximum UV Index (UVI) for Castlemaine 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.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791215
Data source: Castlemaine 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 Castlemaine

September in Castlemaine, Australia, ushers in a refreshing ambiance marked by 260 hours of sunshine, a welcome shift after the more subdued winter months. While not the sunniest month, it reflects a notable increase from the 229 hours recorded in August, signaling the onset of spring. This upward trend sets the stage for an even brighter October, which boasts 294 hours of sunlight, promising longer and warmer days ahead. As the warmth gradually intensifies, the sunlit days of September beautifully bridge the tranquility of winter with the exuberance of summer, inviting outdoor adventures and community gatherings amidst nature’s awakening.

Monthly Sunshine Duration in Castlemaine: September Highlighted

The September sunshine duration represents the total number of hours Castlemaine 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.
JanFebMarAprMayJunJulAugSepOctNovDec296h310h308h250h218h199h207h229h260h294h310h356h
Data source: Castlemaine September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castlemaine During September

In Castlemaine, Australia, the likelihood of sunny weather in September stands at 41%, which is a modest increase from the winter months of June and July, where the chances drop to just 27% and 26% respectively. While this percentage reflects an improving trend as spring approaches, September still lags behind the more luminous summer months, such as January and February, boasting 56% and 63% of sunny days. As the season transitions, residents can anticipate a gradual rise in sunshine, although the average remains below the year's peak. Overall, September serves as a gentle reminder of the warmer days on the horizon, balancing sunny moments with the lingering chill of winter's end.

Percentage of Sunny Days in September in Castlemaine

The chart illustrates the percentage of sunny days in Castlemaine 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 Castlemaine experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%63%51%55%47%27%26%38%41%40%43%70%
Data source: Castlemaine September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castlemaine in September

As September unfolds in Castlemaine, Australia, the days begin to lengthen again after the winter months, providing around 11 hours of daylight. This marks a gradual transition from the shorter days of winter, with July and August both experiencing just 9 and 10 hours respectively. The rhythm of the seasons is unmistakable as the daylight hours steadily increase, hinting at the vibrant spring to come. Looking back, January shines with a remarkable 14 hours, while the gentle descent into shorter days culminates in June’s 9 hours. With September signaling a renewal, it paves the way for October to delight us with additional daylight, reaching 13 hours. This gradual shift reflects the dance of changing seasons, inviting residents and visitors alike to bask in the evolving light of Castlemaine.

Average Daylight Hours in Castlemaine for September

The chart illustrates the variation in daylight duration in Castlemaine throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 21m13h 26m12h 16m11h 6m10h 8m9h 39m9h 53m10h 44m11h 51m13h 1m14h 4m14h 37m
Data source: Castlemaine daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Castlemaine

As September rolls into Castlemaine, Australia, the whispers of spring are carried on a gentle breeze, with average wind speeds reaching 4.0 m/s (9 mph). This slight uptick from the winter months reflects a gradual transition, hinting at the burgeoning warmth and vitality of the season. Since March, when the winds softened to 3.4 m/s (8 mph), there has been a slow yet noticeable increase in gusts, culminating in a steady rhythm that prepares the landscape for blooming flowers and vibrant colors ahead. This gentle surge contrasts with the calm summer months, where winds typically hover around 4.3 m/s (10 mph) in January, showcasing September as a pivotal moment where nature breathes new life into the surroundings. The ebb and flow of wind in Castlemaine reveal not just changes in speed, but a harmonious dance of the seasons, inviting all to embrace the refreshing start of spring.

Average September Wind Speed in Castlemaine

The chart displays monthly wind speed patterns in Castlemaine, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.33.83.43.23.33.53.83.64.0 m/s3.83.94.0
Data source: Castlemaine September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Castlemaine Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable average of 10°C (50°F), peaking at a warm 27°C (82°F). This month experiences about 42 mm (1.7 in) of precipitation over 10 days, accompanied by relatively high humidity at 72%. In stark contrast, January sees a substantial increase in warmth, with temperatures fluctuating between a milder minimum of 7°C (45°F) and an average of 22°C (72°F), reaching a hot maximum of 43°C (109°F). Precipitation is much less frequent, totaling only 25 mm (1.0 in) across just 4 days, and humidity drops significantly to 43%. For a closer look at January weather specifics, check Castlemaine weather in January.

September and February present quite contrasting weather patterns. In September, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 27°C (82°F), with an average of 10°C (50°F). This month experiences more frequent rainfall, with about 42 mm (1.7 in) of precipitation over roughly 10 days, coupled with higher humidity at 72%. In contrast, February brings warmer conditions, with minimum temperatures at 4°C (40°F) and soaring maximums reaching up to 42°C (108°F), alongside a much higher average of 20°C (68°F). Precipitation in February drops to 28 mm (1.1 in) across only 3 days, and humidity decreases to 49%. For a closer look at February's climate specifics, check out Castlemaine weather in February.

In September, the weather presents a cooler profile with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 27°C (82°F), averaging around 10°C (50°F). The month sees a significant amount of rainfall, totaling 42 mm (1.7 in) over approximately 10 days, accompanied by a higher humidity level of 72%. In contrast, March experiences a warmer climate, with temperatures starting at a minimum of 4°C (39°F) and reaching a maximum of 36°C (97°F), averaging 18°C (66°F). Rainfall is less frequent, with only 25 mm (1.0 in) over just 4 days, and humidity drops to 60%. For a detailed look at the weather specifics in Castlemaine, check out Castlemaine weather in March.

In September, temperatures can range from a brisk minimum of -1°C (30°F) to a warm maximum of 27°C (82°F), with an average around 10°C (50°F). The month experiences about 42 mm (1.7 in) of precipitation over approximately 10 days, contributing to a humidity level of 72%. In contrast, April sees slightly milder conditions with minimum temperatures around 1°C (35°F) and a higher average of 14°C (58°F), peaking at a hot 32°C (89°F). Rainfall in April totals about 47 mm (1.9 in) but occurs across only 5 days, maintaining a similar humidity level of 71%. For more detailed information, you can check Castlemaine weather in April.

When comparing the weather in September and May, both months exhibit mild average temperatures, hovering around 10°C (50°F). However, September can see a broader range of temperatures, with a minimum of -1°C (30°F) and a maximum of 27°C (82°F), while May's temperatures are a bit milder, ranging from 1°C (34°F) to 24°C (75°F). Precipitation is slightly higher in May, with 60 mm (2.4 in) over about 8 days compared to September's 42 mm (1.7 in) across 10 days. Humidity levels are also notably higher in May at 79%, compared to 72% in September, contributing to a noticeably different feel in the atmosphere. For more insights, visit Castlemaine weather in May.

When comparing the weather in September and June, we notice some notable differences. September typically experiences a broader range of temperatures, with a minimum of -1°C (30°F) and a maximum of 27°C (82°F), resulting in an average of 10°C (50°F). In contrast, June is generally cooler, with temperatures ranging from -2°C (29°F) to a maximum of 16°C (61°F) and an average of 8°C (46°F). Precipitation levels are similar, with September receiving 42 mm (1.7 in) over about 10 days, while June sees slightly more at 47 mm (1.9 in) across approximately 7 days. Additionally, June tends to have higher humidity at 81%, compared to September’s 72%. For those interested in a deeper look at June weather specifics, you can check out Castlemaine weather in June.

When comparing the weather in September and July, September generally offers warmer temperatures, with average highs reaching 27°C (82°F) compared to July's maximum of only 16°C (61°F). The minimum temperatures in September are also milder, with lows around -1°C (30°F), while July dips slightly cooler with a minimum of -3°C (28°F). In terms of precipitation, September sees slightly less rain, recording 42 mm (1.7 in) over about 10 days, while July has a little more at 52 mm (2.0 in) spread over 11 days. Additionally, September's humidity is lower at 72% compared to July's higher level of 83%. For more details, you can check Castlemaine weather in July.

Comparing September and August weather reveals some interesting contrasts. September experiences slightly warmer temperatures, with an average of 10°C (50°F), a minimum of -1°C (30°F), and a maximum of 27°C (82°F), compared to August, which has a lower average of 8°C (46°F), a minimum of -2°C (28°F), and a maximum of 19°C (67°F). Additionally, September sees less precipitation, totaling 42 mm (1.7 in) over 10 days, whereas August receives 60 mm (2.4 in) during the same number of days. Humidity levels are also somewhat lower in September at 72%, compared to 79% in August. For a more detailed look at August's weather, you can check Castlemaine weather in August.

In September, temperatures typically range from a minimum of -1°C (30°F) to a maximum of 27°C (82°F), with an average of 10°C (50°F). The month experiences about 42 mm (1.7 in) of rainfall over 10 days, accompanied by a humidity level of 72%. In contrast, October sees a slight increase in minimum temperatures to 1°C (34°F) and an average of 13°C (56°F), with a maximum reaching 33°C (91°F). Precipitation increases to 58 mm (2.3 in), spread over 8 days, but the humidity decreases to 61%. Overall, October offers warmer temperatures and slightly less humidity compared to September. For more specific information about October’s climate, you can visit Castlemaine weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 27°C (82°F), with an average of 10°C (50°F). The month also experiences 42 mm (1.7 in) of precipitation over 10 days, accompanied by relatively high humidity at 72%. In contrast, November presents a milder climate with temperatures ranging from a minimum of 1°C (35°F) to a high of 38°C (100°F), averaging 16°C (62°F). Although November sees a slight increase in precipitation to 51 mm (2.0 in) across just 7 days, the humidity drops to a more comfortable 59%. For more detailed insights on November weather, you can visit Castlemaine weather in November.

In September, the weather presents a more variable temperature range with a minimum of -1°C (30°F) and a maximum of 27°C (82°F), averaging around 10°C (50°F). This month sees 42 mm (1.7 in) of precipitation over 10 days, coupled with a relatively high humidity of 72%. In contrast, December brings warmer temperatures, with a minimum of 6°C (43°F) and an impressive maximum of 43°C (110°F), averaging 19°C (67°F). Precipitation remains similar at 43 mm (1.7 in), but occurs over just 5 days, and the humidity drops to a more comfortable 50%. For more specific details, check out Castlemaine weather in December.

Compare Castlemaine's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Castlemaine

As September rolls into Castlemaine, the weather undergoes a notable transformation, transitioning from the crispness of winter to the more temperate embrace of spring. With maximum temperatures reaching a pleasant 27°C, the days become increasingly warm, though the nights can still dip to a brisk minimum of -1°C. This month typically brings 42 mm of precipitation spread over about 10 days, contributing to the area's lush greenery, while a humidity level of 72% adds to the refreshing atmosphere. Compared to the chilled conditions of the previous months, September is a time of rejuvenation, making it an ideal moment to explore the vibrant landscape of Castlemaine. For a deeper understanding of what to expect throughout the year, check out Castlemaine Climate.