September Weather in Atherton, Australia

Last updated: February 25, 2025

September in Atherton, Australia, showcases a delightful transition into spring with maximum temperatures reaching 29°C (84°F) and a comfortable average of 19°C (66°F). Residents and visitors can expect invigorating mornings with a refreshing minimum of 9°C (48°F). Rainfall is relatively modest, totaling 16 mm (0.6 in) over four days, contributing to the lushness of the region while maintaining a pleasant humidity level of 72%. This month provides the perfect backdrop for outdoor activities amidst the natural beauty of Atherton’s landscapes.

September Temperature in Atherton

In Atherton, Australia, September marks a delightful transition as temperatures begin to warm up after the cooler winter months. With minimums around 9°C (48°F) and average highs reaching 29°C (84°F), this month offers a comfortable climate perfect for outdoor activities. The average temperature settles at 19°C (66°F), reflecting a gradual return to the warmth seen in late spring. This pattern initiates the region’s shift away from the colder depths of winter, bridging the gap towards the hotter months ahead. As daylight lengthens and nature awakens, September is an ideal time to enjoy Atherton's stunning landscapes amidst its pleasant weather.

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

The chart illustrates September temperature patterns in Atherton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec757574716663636466717375
Data source: Temperature data for Atherton 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 Atherton

September in Atherton, Australia, marks the continuation of a dry spell, with precipitation measuring a modest 16 mm (0.6 in) over just four days. This amount aligns with the pattern observed in August, where similarly low rainfall was recorded, further highlighting the region's transition into a drier period as winter gives way to spring. With monthly averages gradually increasing again from October, Atherton residents can expect a shift, but September serves as a reminder of the region's seasonal variability. The contrasting extremes of early year downpours, peaking at 310 mm (12.2 in) in January, emphasize the dynamic climate that characterizes this lush area of Australia.

September Precipitation Trends in Atherton

The chart displays monthly precipitation patterns in Atherton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec31025722211745342716164048166
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Atherton

As the seasons transition in Atherton, Australia, September marks a notable shift in humidity levels. With an average humidity of 72%, this month experiences a dip compared to the preceding months of winter, reflecting a gradual decline from the higher levels of the earlier months, like 83% in March and 80% in April. This pattern signifies the waning of the dry season and hints at the impending warmth of spring. Interestingly, even as humidity decreases, it remains relatively consistent with the summer months, indicating a stable but comfortable climate that invites outdoor activities while still feeling refreshing amid the lush landscapes.

September Average Humidity in Atherton

This chart illustrates the average monthly humidity levels in Atherton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%83%80%78%78%71%75%72%73%74%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Atherton

As September arrives in Atherton, Australia, the UV Index remains high with a rating of 14, placing it firmly in the extreme exposure category. This trend reflects a consistent pattern observed through the year, where the UV Index has been predominantly extreme, particularly from January through April and again in August, October, and November. With a burn time of just 10 minutes, residents and visitors should take precautions to protect their skin during this month, as the intense sun exposure continues to linger after the winter months. As temperatures begin to warm up, this serves as a reminder to stay vigilant. For more detailed information, visit Atherton UV Index.

Maximum UV Index Levels in Atherton for September

The chart shows the monthly maximum UV Index (UVI) for Atherton 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.
JanFebMarAprMayJunJulAugSepOctNovDec16161513108101214151616
Data source: Atherton 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 Atherton

September in Atherton, Australia, shines brightly with a remarkable 300 hours of sunshine, marking a delightful transition into spring. This vibrant month not only showcases longer, sunnier days but also continues a trend of increasing daylight as the year progresses. After August's impressive 291 hours, September's sunny disposition sets the stage for even more brilliance in October, which boasts 319 hours. This upward trajectory reflects Atherton's climate, where nature unfurls in spectacular hues and the days grow steadily warmer, inviting both residents and visitors to bask in the outdoor beauty. With November and December maintaining a consistent brilliance of 324 hours, it’s clear that Atherton celebrates sunshine throughout its seasonal cycles, making it a perfect backdrop for those seeking warmth and adventure.

Monthly Sunshine Duration in Atherton: September Highlighted

The September sunshine duration represents the total number of hours Atherton 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.
JanFebMarAprMayJunJulAugSepOctNovDec226h257h275h282h270h251h273h291h300h319h324h324h
Data source: Atherton September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Atherton During September

In Atherton, Australia, September marks a notable shift in weather, with the likelihood of sunny days rising to 46%. This increase continues the upward trend from the winter months, where sunshine chances hovered around the low to mid-40s. As the region transitions into spring, sunlight becomes more prevalent, suggesting a departure from the cooler, cloudier conditions of the earlier months. The pattern shows a steady climb leading into the warmer months of October, which boasts an even higher 58% chance of clear skies. This gradual increase is not only a welcome sight for residents but also a sign of the vibrant spring ahead, perfect for enjoying the lush landscapes of Atherton.

Percentage of Sunny Days in September in Atherton

The chart illustrates the percentage of sunny days in Atherton 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 Atherton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%13%29%31%51%33%45%44%46%58%40%42%
Data source: Atherton September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Atherton in September

As September arrives in Atherton, Australia, daylight begins to stabilize at 11 hours a day, mirroring the consistent daylight experienced in the preceding months of winter. This steady duration continues the trend established since April, where daylight hours have settled into a comfortable routine of just under half a day of light. Following the transition from the longer days of summer, the month of September serves as a gentle reminder of nature's cyclical patterns, paving the way for a gradual increase in daylight as October approaches, heralding the return of longer, brighter days. This rhythmic dance of daylight is characteristic of Atherton, offering residents a soothing blend of seasonal predictability and the anticipation of warmer days ahead.

Average Daylight Hours in Atherton for September

The chart illustrates the variation in daylight duration in Atherton throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 1m12h 38m12h 10m11h 40m11h 17m11h 5m11h 11m11h 31m11h 59m12h 28m12h 54m13h 7m
Data source: Atherton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Atherton

As September arrives in Atherton, Australia, the wind begins to pick up pace, reaching an average speed of 3.7 m/s (8 mph), the highest of the year. This notable increase follows the relatively gentle breezes of winter months, which hover around 2.2 to 2.4 m/s (5 mph). With the arrival of spring, the wind’s invigorating shift sets a tone for the season, promising a refreshing change and invigorating energy. Following September, winds tend to mellow again, tapering back to 2.1 m/s (5 mph) in October. This pattern highlights the transition from the cooler months of the year to the lively warmth of spring, ensuring that Atherton enjoys a delightful balance of breezy days and still moments.

Average September Wind Speed in Atherton

The chart displays monthly wind speed patterns in Atherton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.12.83.03.32.42.23.23.7 m/s2.12.72.4
Data source: Atherton September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Atherton Compares to Other Months

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

In September, the weather features a mild range of temperatures, with daily averages around 19°C (66°F) and maximums reaching up to 29°C (84°F). The precipitation is relatively low, totaling only 16 mm (0.6 in) over about 4 days, creating a fairly dry atmosphere with humidity at 72%. In contrast, January experiences notably warmer conditions, with minimum temperatures starting at 17°C (62°F) and daily averages climbing to 24°C (75°F), peaking at a sweltering 35°C (95°F). However, January is also significantly wetter, with a staggering 310 mm (12.2 in) of rainfall over 21 days, resulting in higher humidity levels at 79%. This shift in weather patterns underscores the seasonal transition from the more temperate September to the hot and humid January. For more detailed information, you can check Atherton weather in January.

September and February present quite distinct weather patterns. In September, temperatures range from a cooler minimum of 9°C (48°F) to a maximum of 29°C (84°F) with an average of 19°C (66°F), alongside relatively low precipitation of just 16 mm (0.6 in) over 4 days and humidity at 72%. In contrast, February experiences warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 33°C (92°F), averaging 24°C (75°F). Additionally, February sees significant rainfall, totaling 257 mm (10.1 in) over 21 days, accompanied by higher humidity at 81%. This stark difference highlights the transitional shift from the mild early spring of September to the warmer and wetter conditions of late summer, as detailed in Atherton weather in February.

September and March show distinct differences in weather patterns. In September, temperatures range from a cooler minimum of 9°C (48°F) up to a warm maximum of 29°C (84°F), with an average of 19°C (66°F). The month experiences relatively low precipitation of 16 mm (0.6 in) over just 4 days and a humidity level of 72%. In contrast, March boasts much milder temperatures, with a minimum of 16°C (62°F) and a maximum reaching 33°C (91°F), averaging 23°C (74°F). However, it is significantly wetter, with 222 mm (8.7 in) of rain falling over 22 days, accompanied by higher humidity at 83%. For more detailed information, you can check Atherton weather in March.

When comparing the weather in September and April, it's clear that April tends to be warmer and wetter. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F) and only 16 mm (0.6 in) of precipitation spread over 4 days. In contrast, April boasts higher temperatures, with a minimum of 13°C (56°F) and a maximum of 30°C (87°F), resulting in an average of 21°C (71°F). Additionally, April sees significantly more rainfall at 117 mm (4.6 in) over 15 days, and higher humidity at 80%. For more detailed information, you can view the climate specifics here: Atherton weather in April.

In comparing the weather between September and May, we can note several key differences. September typically features a temperature range from a low of 9°C (48°F) to a warm high of 29°C (84°F), with an average of 19°C (66°F) and relatively low precipitation of 16 mm (0.6 in) over about 4 days. In contrast, May tends to be slightly cooler, with a minimum temperature of 8°C (47°F) and a maximum of 27°C (82°F), while maintaining a similar average of 19°C (67°F). However, May is marked by significantly higher rainfall, totaling 45 mm (1.8 in) across around 12 days, and a bit more humidity at 78%. For further details on May conditions, you can check Atherton weather in May.

When comparing the weather in September and June, September generally offers milder temperatures with a minimum of 9°C (48°F), an average of 19°C (66°F), and a maximum of 29°C (84°F). In contrast, June starts slightly cooler with a minimum of 7°C (45°F) and averages 17°C (63°F), reaching a maximum of 27°C (81°F). Precipitation is more prevalent in June, with 34 mm (1.3 in) falling over nine days, compared to September's lighter 16 mm (0.6 in) over just four days. Additionally, both months have relatively high humidity, with September at 72% and June slightly higher at 78%. For more detailed insights, check Atherton weather in June.

In comparing the weather of September and July, both months feature similar maximum temperatures, peaking at 29°C (84°F). However, September tends to be warmer overall, with an average temperature of 19°C (66°F) compared to July's average of 17°C (63°F). July experiences slightly cooler minimum temperatures, dropping to 7°C (46°F), while September's minimum is a bit higher at 9°C (48°F). Precipitation patterns also differ, with July receiving more rainfall (27 mm or 1.0 in) over more days (6 days) than September, which has only 16 mm (0.6 in) over 4 days. Humidity levels remain relatively consistent, with September at 72% and July at 71%. For more detailed insights, you can check Atherton weather in July.

In comparing the weather conditions of September and August, we observe only subtle differences. September features a slightly wider temperature range with a minimum of 9°C (48°F) and an average of 19°C (66°F), while August has a minimum of 8°C (47°F) and an average of 18°C (64°F). Both months share a maximum temperature of 29°C (84°F) and similar precipitation levels, with September receiving 16 mm (0.6 in) over 4 days and August recording the same amount but over 5 days. Additionally, humidity is marginally lower in September at 72% compared to 75% in August. For a closer look at August weather, you can refer to Atherton weather in August.

In September, the weather is generally mild, with temperatures ranging from a minimum of 9°C to a maximum of 29°C, and an average temperature of 19°C. Precipitation is relatively low, with only 16 mm over 4 days, and humidity sits at 72%. In contrast, October experiences warmer conditions, with a minimum temperature of 12°C and a maximum reaching 33°C, averaging 22°C. However, October sees an increase in precipitation to 40 mm over 5 days, with humidity rising slightly to 73%. For more detailed information, you can check out Atherton weather in October.

September and November present distinct weather patterns. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month sees relatively low precipitation at 16 mm (0.6 in) over just 4 days, accompanied by a humidity level of 72%. In contrast, November experiences notably warmer conditions, with minimum temperatures of 15°C (59°F) and maximums reaching up to 34°C (94°F), resulting in an average of 23°C (74°F). Precipitation increases significantly to 48 mm (1.9 in) spread across 9 days, and humidity remains consistent at 74%. For more detailed information, you can check Atherton weather in November.

September and December exhibit distinct differences in weather. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month sees relatively low precipitation, totaling just 16 mm (0.6 in) over approximately 4 days, while humidity hovers around 72%. In contrast, December experiences higher temperatures, with a minimum of 17°C (62°F) and a peak of 35°C (94°F), averaging 24°C (75°F). This month is considerably wetter, with precipitation reaching 166 mm (6.5 in) over 15 days and humidity slightly higher at 75%. For more information, you can check out Atherton weather in December.

Compare Atherton's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Atherton

As we transition into September in Atherton, the weather begins to showcase a delightful balance between warmth and coolness, making it a unique month compared to others. With average temperatures hovering around a comfortable 19°C, the days can pleasantly warm up to 29°C, while the nights cool down to refreshing lows of 9°C. This time of year also sees a modest amount of precipitation, with about 16 mm falling over just a few days, which contributes to the lush landscape while maintaining a humidity level of 72%. Overall, September heralds a shift toward milder conditions, offering a perfect opportunity to explore the beautiful surroundings. For more insights into the shifting patterns of weather throughout the year, check out Atherton Climate.