September Weather in Bairnsdale, Australia

Last updated: February 26, 2025

In September, Bairnsdale, Australia experiences a dynamic range of weather. With a maximum temperature soaring to 33°C (91°F) and an average of 12°C (53°F), the month transitions from the coolness of winter into early spring warmth. Nights can be quite brisk, dropping to a minimum of 1°C (34°F). Rainfall is prevalent, with 53 mm (2.1 in) of precipitation recorded over 10 days, contributing to a humidity level of 73%. This blend of warmth and moisture sets the stage for vibrant plant growth and a lively atmosphere, making September an intriguing time to experience Bairnsdale’s changing landscape.

September Temperature in Bairnsdale

In September, Bairnsdale begins to shake off the winter chill, with temperatures gently rising as the landscape prepares for spring. The minimum temperature hovers at 1°C (34°F), while the average climbs to 12°C (53°F), offering a refreshing contrast to the colder months. Maximum temperatures can soar to a warm 33°C (91°F), creating perfect conditions for outdoor activities. This month marks a transition, bridging the coolness of winter with the burgeoning warmth of summer, making it an ideal time for locals and visitors alike to revel in the awakening beauty of this Australian town.

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

The chart illustrates September temperature patterns in Bairnsdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec686564585348494953576164
Data source: Temperature data for Bairnsdale generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bairnsdale

In September, Bairnsdale experiences a moderate level of precipitation, with 53 mm (2.1 in) falling over 10 days. This amount is slightly below the 65 mm average seen in the preceding three months, suggesting a gradual easing of the winter rains. As spring approaches, the rainfall patterns reveal a trend of increasing precipitation, peaking in October and November. The uptick in precipitation days this month hints at the lingering influence of winter weather, yet there's an evident shift toward the wetter spring months where rainfall typically intensifies. Overall, September serves as a transitional time, balancing the tail end of winter's moisture with the promise of the lush, rainy season ahead.

September Precipitation Trends in Bairnsdale

The chart displays monthly precipitation patterns in Bairnsdale, 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.
JanFebMarAprMayJunJulAugSepOctNovDec495551475551415753798687
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bairnsdale

September in Bairnsdale, Australia, marks a subtle transition in humidity levels, with the average reaching 73%. After a series of months showcasing a steady rise in humidity from January's relatively low 45%, the trend peaks in winter with July at 84%. However, as spring begins, September sees a welcome decrease from the summer-like moisture of 79% recorded in May. This decline hints at the impending warmer months ahead, with October further dipping to 60%. Overall, Bairnsdale's humidity is characterized by a gradual ascent from the dry heat of summer to the dampness of winter, before transitioning back to a more moderate level as the seasons shift.

September Average Humidity in Bairnsdale

This chart illustrates the average monthly humidity levels in Bairnsdale, 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.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%61%72%79%82%84%80%73%60%58%51%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bairnsdale

As September unfolds in Bairnsdale, the UV Index reaches 7, indicating a high exposure category with a burn time of 25 minutes. This month's index marks a return to higher UV levels following the moderate readings of winter, echoing the trend seen in previous years where spring sets the stage for increasing solar intensity. As we transition toward the warmer months, it's essential for residents and visitors alike to stay vigilant about sun protection, especially with the very high levels on the horizon in October. For more detailed insights into daily UV levels, check out the resource at Bairnsdale UV Index.

Maximum UV Index Levels in Bairnsdale for September

The chart shows the monthly maximum UV Index (UVI) for Bairnsdale 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.
JanFebMarAprMayJunJulAugSepOctNovDec13121174335791214
Data source: Bairnsdale 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 Bairnsdale

As the seasons shift in Bairnsdale, September shines brightly with 272 hours of sunshine, marking a delightful transition into spring. This month experiences a rejuvenating boost in daylight following the cooler winter months, which saw a dip in sunshine hours, peaking in comparison to the winter lows—June recorded the least at just 209 hours. Continuing the upward trend, September's warmth leads seamlessly into October, which enjoys an impressive 289 hours. This steady climb hints at the longer, sunnier days that characterize the Australian spring and summer, inviting the community to revel in the beauty of the outdoors as nature awakens. Overall, it’s a time of growth and vibrant energy, as Bairnsdale bathes in the welcoming light of early spring.

Monthly Sunshine Duration in Bairnsdale: September Highlighted

The September sunshine duration represents the total number of hours Bairnsdale 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.
JanFebMarAprMayJunJulAugSepOctNovDec267h285h279h255h232h209h224h238h272h289h301h331h
Data source: Bairnsdale September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bairnsdale During September

In Bairnsdale, Australia, the likelihood of sunny weather in September stands at a pleasant 45%, marking a slight boost from the preceding winter months. This uptick in sunny days reflects a gradual transition from the cooler, cloudier conditions of winter, as the area enjoys a moderate rise compared to the 40% chance in June and 42% in August. September’s sun probability, while still less than the peak in April at 52%, signals the onset of spring, inviting residents and visitors alike to embrace the outdoors. Overall, this trend highlights a promising month for sunnier horizons as the region shakes off the chill, with September shining as a favorable time for enjoying the evolving landscape.

Percentage of Sunny Days in September in Bairnsdale

The chart illustrates the percentage of sunny days in Bairnsdale 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 Bairnsdale experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%41%33%52%48%40%43%42%45%40%26%41%
Data source: Bairnsdale September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bairnsdale in September

As summer fades into autumn in Bairnsdale, September presents a pleasant transition, showcasing an average daylight duration of 11 hours. This marks a slight increase from the shorter days of winter, with daylight gradually reclaiming its dominance after June and July's minimal nine hours. Following the peak daylight months of December and January, which boast 14 hours of sunlight, September hints at the vibrant days ahead, reintroducing a sense of warmth and activity as the year leans toward summer again. The rhythmic ebb and flow of daylight in Bairnsdale paints a beautiful portrait of the changing seasons, inviting residents to enjoy the natural light as the landscape shifts.

Average Daylight Hours in Bairnsdale for September

The chart illustrates the variation in daylight duration in Bairnsdale throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 26m13h 29m12h 17m11h 4m10h 4m9h 34m9h 49m10h 41m11h 50m13h 3m14h 8m14h 43m
Data source: Bairnsdale daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bairnsdale

As September unfolds in Bairnsdale, Australia, the winds begin to pick up, averaging 3.2 m/s (7 mph), marking a slight increase from the previous months. This uptick reflects a gradual transition into spring, with winds becoming brisker as the region shakes off the remnants of winter. Compared to the earlier months of the year, where average wind speeds hovered around 2.6 m/s (6 mph), September’s breezy conditions signal a refreshing change. Following the peak this month, wind speeds are expected to taper slightly into October, yet the overall trend indicates a lively atmosphere as the days warm up and nature springs back to life. This subtle rise in wind speed aligns perfectly with the vibrant energy of the season, making September an enticing time to embrace the outdoors in Bairnsdale.

Average September Wind Speed in Bairnsdale

The chart displays monthly wind speed patterns in Bairnsdale, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.52.92.62.62.73.13.13.2 m/s3.02.72.5
Data source: Bairnsdale September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bairnsdale Compares to Other Months

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

September and January showcase contrasting weather patterns, typical of their transition into autumn and the height of summer. In September, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 33°C (91°F), with an average of 12°C (53°F). The month sees about 53 mm (2.1 in) of precipitation spread over 10 days and a high humidity of 73%. In comparison, January experiences much warmer conditions with minimum temperatures around 9°C (48°F) and soaring maximums that can reach 42°C (108°F), resulting in an average temperature of 20°C (68°F). Rainfall is slightly less at 49 mm (1.9 in), occurring over 6 days, but the humidity drops significantly to 45%. For more detailed insights, check out Bairnsdale weather in January.

September and February present distinct weather contrasts. In September, temperatures can range from a chilly minimum of 1°C (34°F) to a warm maximum of 33°C (91°F), with an average of 12°C (53°F). The month receives about 53 mm (2.1 in) of precipitation over approximately 10 days, accompanied by high humidity at 73%. Conversely, February offers milder temperatures, with a minimum of 7°C (45°F) and an impressive maximum of 43°C (109°F), resulting in a much warmer average of 19°C (66°F). Although February has slightly higher precipitation at 55 mm (2.2 in) over 7 days, it enjoys noticeably lower humidity at 52%. For more detailed information on February weather, you can visit Bairnsdale weather in February.

When comparing the weather of September and March, several notable differences emerge. September features a wider temperature range, with minimums dipping to 1°C (34°F) and maximums soaring to 33°C (91°F), while March boasts a milder minimum of 6°C (43°F) and a higher maximum of 36°C (98°F). Precipitation levels are similar, with September receiving 53 mm (2.1 in) over 10 days and March slightly less at 51 mm (2.0 in) over 8 days. Additionally, humidity is higher in September at 73%, compared to March's 61%. For a more detailed overview of March weather, you can visit Bairnsdale weather in March.

When comparing the weather in September and April, September tends to have a broader temperature range, with minimums dipping to 1°C (34°F) and maximums reaching up to 33°C (91°F). April, on the other hand, offers a slightly warmer average temperature of 15°C (59°F) and milder lows of 4°C (40°F), making it generally more comfortable. Precipitation is also somewhat lower in April, with only 47 mm (1.8 in) over 5 days compared to September's 53 mm (2.1 in) across 10 days. Humidity levels remain similar, averaging around 72-73%. For more details, check out Bairnsdale weather in April.

In comparing the weather of September and May, both months feature a similar range of temperatures, with September reaching a maximum of 33°C (91°F) and May peaking at 27°C (81°F). While the minimum temperatures are almost the same at 1°C (34°F) for September and 1°C (35°F) for May, the average temperatures diverge slightly, with September averaging 12°C (53°F) compared to May's average of 11°C (53°F). Precipitation is also quite close, with September receiving 53 mm (2.1 in) over 10 days and May seeing 55 mm (2.2 in) spread across 9 days. Notably, May has slightly higher humidity levels at 79% compared to September's 73%. For a more detailed overview of May's weather, you can refer to Bairnsdale weather in May.

When comparing the weather in September to that of June, it's clear that September experiences a broader range of temperatures, with minimum temperatures reaching 1°C (34°F) and maximums soaring to 33°C (91°F). In contrast, June remains cooler overall, with a minimum of 0°C (33°F) and a maximum of only 20°C (68°F). Both months see similar levels of precipitation, with September receiving 53 mm (2.1 inches) over 10 days, compared to June's 51 mm (2.0 inches) across 7 days. Humidity is slightly higher in June at 82%, compared to 73% in September, which contributes to the overall cooler feel of the June climate. For a detailed look at June weather conditions, check out Bairnsdale weather in June.

In comparing the weather of September and July, we see a notable difference in temperature and humidity. September experiences a broader temperature range with a minimum of 1°C (34°F) and a maximum of 33°C (91°F), resulting in a higher average temperature of 12°C (53°F). In contrast, July is cooler with a minimum of -1°C (31°F) and a maximum of 21°C (70°F), leading to a lower average of 9°C (49°F). Additionally, September has slightly more precipitation at 53 mm (2.1 in) over 10 days, while July sees 41 mm (1.6 in) spread across 8 days. The humidity levels are also higher in July at 84%, compared to September's 73%. For more specific details on weather patterns, refer to Bairnsdale weather in July.

In comparing the weather of September and August, September generally sees warmer temperatures, with a minimum of 1°C compared to August's 0°C, and an average of 12°C compared to August's 10°C. However, while September reaches a maximum of 33°C, August peaks at a much cooler 22°C. Precipitation levels are slightly lower in September, with 53 mm over 10 days, while August experiences 57 mm over 11 days. Humidity is also notably lower in September at 73%, compared to August's higher humidity rate of 80%. For a detailed look at conditions during this month, you can check Bairnsdale weather in August.

In September, the weather typically features a broader temperature range, with a minimum of 1°C (34°F) and a maximum of 33°C (91°F), resulting in an average of 12°C (53°F). The month sees approximately 53 mm (2.1 in) of precipitation over about 10 days, accompanied by a higher humidity of 73%. In contrast, October brings slightly warmer conditions, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 32°C (90°F) and an average temperature of 14°C (57°F). However, October experiences increased precipitation levels totaling 79 mm (3.1 in) over about 12 days, alongside a drop in humidity to 60%. For more specific details, check Bairnsdale weather in October.

In comparing the weather conditions of September and November, it is evident that November tends to be warmer overall. September experiences a notable temperature range, with a minimum of 1°C (34°F) and a maximum of 33°C (91°F), while November sees a slightly higher minimum of 4°C (40°F) and can reach up to 40°C (104°F). Precipitation is also more significant in November, with 86 mm (3.4 in) over 11 days compared to 53 mm (2.1 in) over 10 days in September. Additionally, November's humidity is lower at 58%, making the warmer temperatures feel somewhat more comfortable. For further details on November's weather specifically, you can check out Bairnsdale weather in November.

In September, temperatures in Bairnsdale range from a chilly minimum of 1°C (34°F) to a warm maximum of 33°C (91°F), with an average of 12°C (53°F). This month also sees an average of 53 mm (2.1 in) of precipitation over about 10 days, accompanied by relatively high humidity at 73%.

In contrast, December brings significantly higher temperatures, with a minimum of 7°C (45°F) and a scorching maximum of 41°C (105°F), resulting in an average of 18°C (64°F). Precipitation increases to 87 mm (3.4 in) over the same 10 days, but the humidity drops to a more comfortable 51%.

For more detailed information, check out Bairnsdale weather in December.

Compare Bairnsdale's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bairnsdale

As September unfolds in Bairnsdale, the weather experiences a noticeable shift, heralding the arrival of spring. Gone are the extreme cold temperatures of winter, with typical daytime highs reaching into the warm territory compared to the preceding months. However, the cooler nights remind us that winter hasn't fully relinquished its grip just yet. With an average temperature of 12°C and occasional peaks of up to 33°C, the transition is evident, but the humidity averages around 73%, often making the air feel warmer than it is. Additionally, September sees a fair amount of rain, with around 53 mm falling over 10 days, which supports the blossoming foliage and blooming flowers. This month stands out as a time of balance and growth, setting the stage for the warmer summer ahead. For more detailed insights, visit Bairnsdale Climate.