September Weather in Canberra, Australia

Last updated: February 25, 2025

In September, Canberra, Australia experiences a delightful transition into spring, showcasing a diverse temperature range with maximums reaching 26°C (79°F) and a crisp average of 9°C (49°F). Visitors can expect occasional chilly nights, as minimum temperatures can drop to -3°C (27°F). The month sees 43 mm (1.7 in) of precipitation spread over 5 days, contributing to the lush blooming landscape. With an average humidity of 70%, the air carries a refreshing feel, making this vibrant season an ideal time to explore the natural beauty of the region.

September Temperature in Canberra

As September arrives in Canberra, the city experiences a gentle transition from the chill of winter to the warmth of spring. With minimum temperatures around -3°C (27°F), the early part of the month can still feel brisk, but it quickly evolves into more comfortable days. Average temperatures rise to 9°C (49°F), making it a refreshing time for outdoor activities. The season culminates with max temperatures peaking at 26°C (79°F), showcasing a significant increase from the winter lows and inviting residents to embrace the blossoming landscape. This month serves as a delightful prelude to the warmer days ahead, as Canberra shakes off its winter slumber and welcomes the vibrance of spring.

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

The chart illustrates September temperature patterns in Canberra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec706663564843424348556065
Data source: Temperature data for Canberra 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 Canberra

September in Canberra marks a notable transition as spring begins to unfold, bringing an average precipitation of 43 mm (1.7 in) over just 5 days. While this amount is consistent with the previous month, it reflects a significant drop from the late winter patterns, where August experienced 64 mm from 9 rainy days. This decrease suggests that as temperatures rise, the city begins to experience more sporadic rainfall. The precipitation in September sets the stage for a gradual increase in moisture leading into the drier and warmer months of October and November, which typically see heightened rainfall activity in comparison. As the garden blooms, this transitional rainfall provides essential nourishment for the newly sprouting flora.

September Precipitation Trends in Canberra

The chart displays monthly precipitation patterns in Canberra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec345572234336336443598677
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Canberra

As September rolls into Canberra, the humidity begins to transition from the dampness of winter into a more moderate climate. With an average humidity of 70%, this month marks a noticeable decline from the peaks observed in July (80%) and June (79%), signaling a shift towards drier conditions ahead. Interestingly, September's figures stand in contrast to the seasonal highs of the preceding months, illustrating how Canberra experiences a gradual decrease in moisture as it moves into the warmer months. This trend sets the stage for the significantly drier October, where humidity drops to 58%, offering a refreshing change after the winter's embrace. As we navigate September, the air feels both pleasant and crisp, hinting at the approaching springtime.

September Average Humidity in Canberra

This chart illustrates the average monthly humidity levels in Canberra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec58%65%68%74%78%80%81%77%70%58%57%61%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Canberra

As we transition into September in Canberra, Australia, the UV Index starts to rise again, reaching 8 and categorizing the exposure as very high. This increase signals a shift from the more moderate conditions of winter; burn time is notably shorter at 15 minutes. This month marks the beginning of warmer weather and an upward trend in UV intensity, hinting that it's essential to be proactive about sun safety. As we head towards the brighter months ahead, remaining vigilant about protection from harmful UV rays becomes increasingly important. For more details and to stay informed, check out the Canberra UV Index.

Maximum UV Index Levels in Canberra for September

The chart shows the monthly maximum UV Index (UVI) for Canberra 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.
JanFebMarAprMayJunJulAugSepOctNovDec151312853458101215
Data source: Canberra 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 Canberra

As September rolls in, Canberra basks in a delightful 280 hours of sunshine, marking a gentle transition from winter's embrace to the warmer days ahead. This month showcases a notable increase in sunshine compared to the colder winter months, where July and June recorded only 234 and 214 hours respectively. As spring approaches, September's sunshine builds anticipation for the upcoming months, which consistently surpass 280 hours, culminating in a sunny December with a remarkable 340 hours. It's a vibrant reminder that Canberra’s daylight hours are on an upward trajectory, promising both warmth and brightness as the year progresses.

Monthly Sunshine Duration in Canberra: September Highlighted

The September sunshine duration represents the total number of hours Canberra 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.
JanFebMarAprMayJunJulAugSepOctNovDec277h290h284h268h245h214h234h252h280h296h301h340h
Data source: Canberra September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Canberra During September

September in Canberra marks a delightful transition into spring, boasting a 54% chance of sunny weather. This represents a notable improvement from the cooler winter months, where sunshine is less frequent, with chances dropping as low as 24% in June and only 33% in July. As the region shifts from the grasp of winter, September's weather brings a refreshing uptick in sunlit days, setting it apart from the preceding months. This upward trend continues from 66% in April, suggesting that as warmer months approach, Canberrans can expect a delightful increase in sunshine, laying the perfect groundwork for outdoor activities and vibrant blooms.

Percentage of Sunny Days in September in Canberra

The chart illustrates the percentage of sunny days in Canberra 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 Canberra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%35%37%66%49%24%33%43%54%44%20%41%
Data source: Canberra September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Canberra in September

As September arrives in Canberra, Australia, the days begin to stretch again after the winter months, with daylight lasting 11 hours. This marks a subtle transition as the city gradually shakes off the shorter daylight hours experienced in June, where it dipped to a mere 9 hours. Following the lengthening trend, September serves as a gentle reminder of the approaching warmth of spring, preparing residents for the further increase to 12 hours of daylight in October. This gradual rise not only enhances outdoor activities but also infuses the atmosphere with a rejuvenating sense of life and energy, characteristic of the season's change.

Average Daylight Hours in Canberra for September

The chart illustrates the variation in daylight duration in Canberra throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 12m13h 21m12h 16m11h 10m10h 15m9h 48m10h 2m10h 49m11h 51m12h 58m13h 57m14h 27m
Data source: Canberra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Canberra

As September rolls into Canberra, the average wind speed reaches a pleasant 3.2 m/s (7 mph), mirroring the gentle breezes of the previous month. This transitional period hints at the upcoming warmer months, with wind speeds remaining consistently moderate throughout the early spring. Unlike the gustier conditions often felt in July, which boasts the highest winds at 3.4 m/s (8 mph), September's winds are soothing, perfect for outdoor activities and enjoying the blooming landscapes. The steady winds of 3.2 m/s continue into October and November, suggesting a stable atmospheric pattern that brings a refreshing and invigorating quality to Canberra’s spring days. Overall, September marks a harmonious blend of mild winds that encourages exploration and appreciation of nature's revival.

Average September Wind Speed in Canberra

The chart displays monthly wind speed patterns in Canberra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.83.22.42.62.83.43.03.2 m/s3.23.22.7
Data source: Canberra September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Canberra Compares to Other Months

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

September and January present contrasting weather patterns, highlighting the shift from the end of winter to the height of summer. In September, temperatures range from a minimum of -3°C (27°F) to a maximum of 26°C (79°F), with an average of 9°C (49°F). This month experiences about 43 mm (1.7 in) of precipitation over five days, coupled with a relatively high humidity of 70%. In stark contrast, January brings much warmer conditions, with temperatures soaring from a minimum of 6°C (44°F) to a scorching maximum of 38°C (101°F) and an average of 21°C (70°F). Although precipitation decreases slightly to 34 mm (1.4 in) over six days, the humidity drops to a more comfortable 58%. For more details about the weather in January, visit Canberra weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable average of 9°C (49°F), peaking at a warm 26°C (79°F). The month experiences moderate precipitation, averaging 43 mm (1.7 in) over about 5 days, with humidity levels around 70%. In comparison, February boasts a much warmer climate, with temperatures starting at a milder minimum of 4°C (39°F) and reaching an average of 19°C (66°F), climbing impressively to a maximum of 39°C (103°F). This month sees slightly higher precipitation at 55 mm (2.2 in) over 6 days, coupled with slightly lower humidity at 65%. For more detailed information, check out Canberra weather in February.

September and March present contrasting weather patterns in terms of temperature and precipitation. In September, temperatures range from a chillier minimum of -3°C (27°F) to a maximum of 26°C (79°F), with an average of 9°C (49°F). The month experiences about 43 mm (1.7 in) of precipitation over 5 days, coupled with a relatively high humidity level of 70%. In contrast, March is considerably warmer, with temperatures starting at a minimum of 2°C (36°F) and peaking at 32°C (90°F), averaging 17°C (63°F). It also sees more rainfall, with a total of 72 mm (2.8 in) over 8 days and slightly lower humidity at 68%. This shift highlights the transition from the cooler early spring conditions of September to the warmer late summer weather typical in March. For more detailed information, you can check Canberra weather in March.

In September, temperatures in Canberra range from a minimum of -3°C (27°F) to a maximum of 26°C (79°F), with an average of 9°C (49°F). The month typically sees around 43 mm (1.7 in) of precipitation over about 5 days, and humidity levels hover around 70%. In contrast, April offers a milder climate, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 29°C (84°F), resulting in a higher average temperature of 13°C (56°F). April experiences less rainfall, with only 23 mm (0.9 in) occurring over approximately 3 days, and humidity slightly increases to 74%. For a closer look at Canberra's April weather, you can check Canberra weather in April.

September and May exhibit notable similarities and differences in weather patterns. Both months share the same minimum temperature of -3°C (27°F) and an average temperature close to 9°C, but September boasts a higher maximum temperature of 26°C (79°F) compared to May's maximum of 22°C (72°F). Precipitation levels are identical at 43 mm (1.7 in), though September experiences rain over 5 days, while May sees rainfall on 7 days. Additionally, humidity is slightly lower in September at 70% versus May’s 78%. For more detailed information, you can refer to Canberra weather in May.

When comparing the weather in September and June, September generally offers a wider range of temperatures, with a minimum of -3°C (27°F) and a maximum reaching 26°C (79°F), resulting in an average of 9°C (49°F). In contrast, June has cooler temperatures overall, starting at a minimum of -5°C (24°F) and peaking at just 16°C (60°F), with an average of 6°C (43°F). While September experiences slightly more precipitation at 43 mm (1.7 in) over about 5 days, June sees 36 mm (1.4 in) spread over 6 days, contributing to its higher humidity level of 79% compared to September's 70%. For more information on June weather, you can check Canberra weather in June.

September weather tends to be milder compared to July, with average temperatures rising to around 9°C (49°F) and maximums reaching up to 26°C (79°F). In contrast, July experiences cooler conditions, with average temperatures around 5°C (42°F) and a maximum of only 16°C (62°F). Rainfall is slightly higher in September at 43 mm (1.7 in), occurring over five days, compared to July's 33 mm (1.3 in) over six days. Additionally, humidity levels in September average 70%, which is a touch lower than July's 80%. For a closer look at July weather specifics, you can visit Canberra weather in July.

September typically experiences milder weather compared to August, with higher average temperatures reaching 9°C (49°F) and maximums of 26°C (79°F), while August sees lower averages of 6°C (43°F) and maximums of 18°C (65°F). Precipitation also decreases in September, totaling 43 mm (1.7 in) over 5 days, compared to August's 64 mm (2.5 in) over 9 days, indicating a drier climate as the seasons transition. Additionally, humidity is lower in September at 70%, down from August's 77%, making the weather feel more comfortable overall. For more detailed insights, check out Canberra weather in August.

In September, temperatures in Canberra range from a chilly -3°C (27°F) at night to a pleasant 26°C (79°F) during the day, with an average of 9°C (49°F). The month sees around 43 mm (1.7 in) of precipitation spread over approximately 5 days, accompanied by a humidity level of 70%.

By October, the weather becomes noticeably warmer, with minimum temperatures rising to -1°C (31°F) and maximum temperatures reaching 28°C (82°F), resulting in a higher average of 13°C (56°F). However, rainfall increases to 59 mm (2.3 in) across about 9 days, while humidity drops to a more comfortable 58%. For more details, you can check Canberra weather in October.

September weather tends to be cooler and marked by a wider temperature range, with minimums dropping to -3°C (27°F) and maximums reaching up to 26°C (79°F). The month experiences an average temperature of 9°C (49°F), alongside 43 mm (1.7 in) of precipitation over about 5 days and a humidity level of 70%. In contrast, November brings milder temperatures, with minimums around 1°C (35°F), an average of 15°C (60°F), and highs soaring to 35°C (95°F). Additionally, November sees increased rainfall, totaling 86 mm (3.4 in) over 9 days, but with a lower humidity at 57%. For more insights, check out Canberra weather in November.

September weather in Canberra features a cooler climate with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 26°C (79°F) and an average of 9°C (49°F). During this month, the city experiences 43 mm (1.7 in) of precipitation over about 5 days, alongside a relatively high humidity level of 70%. In contrast, December brings a warmer and more humid atmosphere, with temperatures ranging from a minimum of 5°C (42°F) up to 37°C (98°F) and an average of 18°C (65°F). Precipitation increases to 77 mm (3.0 in) over 7 days, but humidity drops to 61%. For more detailed insights, you can check Canberra weather in December.

Compare Canberra's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Canberra

As spring breathes life into Canberra in September, residents can expect a delightful shift in weather patterns. Temperatures begin to rise, offering a maximum warmth of 26°C, contrasting with the chill of winter where nights can plunge to a brisk -3°C. With an increase in humidity, the city experiences a refreshing average of 70%, making those sunny days even more inviting. While light showers are not uncommon, with about 43 mm of precipitation over just five days, these brief rainfalls often pave the way for vibrant blooms and lush landscapes. To discover more about how September's climate compares to other months, check out Canberra Climate.