Last updated: February 25, 2025
September in Katoomba, Australia, showcases a dynamic climate that transitions from the cool of winter to the warmth of spring. With maximum temperatures reaching 29°C (84°F) and dipping to a minimum of -2°C (28°F), the region experiences a considerable range. The average temperature hovers around a comfortable 11°C (51°F), making it an ideal time for outdoor exploration. Despite the relatively mild conditions, visitors should be prepared for occasional rainfall, with 49 mm (1.9 in) of precipitation spread over about 7 days this month. This is complemented by a humidity level of 63%, creating a refreshing atmosphere amidst the blooming flora. Katoomba in September is indeed a blend of crisp air and emerging warmth, perfect for reconnecting with nature.
In September, Katoomba begins to shed the chill of winter, with temperatures gradually rising as spring approaches. The minimum temperature hovers around -2°C (28°F), signaling the last remnants of cold nights. Throughout the month, daytime warmth makes a notable appearance, with average temperatures reaching 11°C (51°F) and peaks climbing up to a pleasant 29°C (84°F). This transition from frosty beginnings to enjoyable warmth marks a shift in the local climate, inviting residents and visitors alike to embrace the blossoming landscape. As September progresses, the days become noticeably longer and milder, setting the stage for the vibrant beauty of spring that Katoomba is renowned for.
September in Katoomba, Australia, marks a transitional phase as it welcomes the arrival of spring. With 49 mm (1.9 in) of precipitation spread over 7 days, this month sees a noticeable dip compared to the wetter months preceding it, particularly March, which experiences the peak rainfall of 221 mm (8.7 in). Despite this reduction, September's steady precipitation retains the region's lush landscapes, continuing the pattern established in the drier winter months of June, July, and August. As the year progresses, Katoomba tends to experience a surge in rainfall, hinting at October's expected increase to 91 mm (3.6 in), paving the way for the vibrant blooms of spring to flourish amid Katoomba's breathtaking scenery.
In September, Katoomba experiences a gentle dip in humidity, settling at 63%. This marks a noticeable transition as the region shifts from the dampness of winter to the drier air of spring. Following a peak in April at 75%, humidity gradually declined over the warmer months, hinting at the approaching summer. The September figures, being the lowest since July, reflect a refreshing change that is characteristic of this time of year, paving the way for October's even drier 55%. Overall, the trend showcases a gradual reduction in moisture, as Katoomba welcomes clearer skies and blooming landscapes.
As September rolls into Katoomba, Australia, residents and visitors can expect a UV Index of 8, classifying the exposure risk as very high. This marks a gradual shift towards more intense sun conditions, following the milder winter months when the UV Index hovered around 4. With a burn time of just 15 minutes, it's crucial to take precautions against harmful UV rays, especially after the less demanding exposures experienced during June and July. The trend indicates a steady increase as summer approaches, with October projected to ramp up to an index of 11. As the sun's strength intensifies, staying informed and protected is key. For more detailed information, visit Katoomba UV Index.
UV Risk Categories
As September unfolds in Katoomba, Australia, residents are greeted with 285 hours of glorious sunshine, marking a delightful transition into spring. This month picks up momentum from the previous winter months, where sunshine hours hovered around the mid-200s, showcasing a notable rise that signals the end of colder days. The trend escalates as the year progresses, with October and November consistently delivering even more sunlight, hinting at the warm embrace of approaching summer. With each passing month, Katoomba bathes in ever-increasing sunshine, awakening the surrounding nature and inviting locals and visitors alike to bask in the rejuvenating warmth.
In Katoomba, Australia, the likelihood of experiencing sunny weather in September stands at a promising 57%, making it one of the more favorable months for sunshine as the region transitions into spring. This increase in sunny days follows a consistent upward trend from the similar winter month of August, which had a 60% chance of sun, suggesting that the region is bathed in more light as it moves away from the cooler months. While October dips slightly to 51%, September's brightness sets the stage for the blooming landscapes of spring, creating an inviting atmosphere for both locals and visitors seeking to enjoy the natural beauty and vibrant flora that characterize this picturesque region.
As September rolls into Katoomba, Australia, the days begin to lengthen once again, bringing a welcome return of 11 hours of daylight. This marks a gradual shift from the winter months, where daylight dipped as low as 9 hours in June. Following the pattern established through the year, daylight hours start to accumulate after the winter solstice, with September showing a notable increase compared to the wintery depths of June and July. As nature awakens from its wintry slumber, the trend continues into October, with daylight increasing to 12 hours, hinting at the vibrant spring and summer months just around the corner. In this beautiful mountainous region, the promise of longer, sunnier days fills the air with anticipation and a sense of rejuvenation.
As September arrives in Katoomba, Australia, residents and visitors alike can expect a gentle increase in wind activity, with average speeds reaching 3.1 m/s (7 mph). This slight uptick follows the seasonal pattern, where the wind tends to pick up during the colder months. Notably, it marks a transitional phase from the cooler winter breezes of July and August, which recorded 3.6 m/s (8 mph) and 3.2 m/s (7 mph), respectively. With the warmer days of spring just around the corner, the winds begin to mellow slightly in anticipation of October's 2.7 m/s (6 mph). This interlude in September embodies a refreshing blend of cooler currents and the promise of changing seasons, making it a delightful time to experience Katoomba's renowned natural beauty.
The weather in Katoomba 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 Katoomba and find detailed weather information for every month.
September and January exhibit contrasting weather patterns, with September experiencing cooler temperatures ranging from a chilly minimum of -2°C (28°F) to a pleasant maximum of 29°C (84°F) and an average of 11°C (51°F). In contrast, January brings warmer conditions, with temperatures shooting up from a minimum of 7°C (45°F) to a scorching maximum of 39°C (102°F) and an average of 20°C (69°F). While September has 49 mm (1.9 in) of precipitation spread over 7 days, January sees increased rainfall at 87 mm (3.4 in) across 13 days, leading to a slightly higher humidity level of 65%. For a more detailed insight into January weather, you can visit Katoomba weather in January.
In comparing the weather of September and February, notable differences emerge in temperature and precipitation patterns. September experiences a wider temperature range, with minimums dipping to -2°C (28°F) and maximums reaching up to 29°C (84°F), leading to an average of 11°C (51°F). In contrast, February boasts warmer conditions, with minimums of 6°C (42°F) and maximums soaring to 37°C (100°F), resulting in a significant average of 19°C (66°F).
Moreover, February sees higher precipitation levels, with 165 mm (6.5 in) falling over 16 days, compared to September's 49 mm (1.9 in) over just 7 days. Both months also show similar humidity levels, with September at 63% and February slightly higher at 69%. For more detailed information, you can read more about Katoomba weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 29°C (84°F), with an average of 11°C (51°F). This month experiences about 49 mm (1.9 in) of precipitation over 7 days and has a humidity level of 63%. In contrast, March offers notably warmer conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 33°C (91°F) and an average of 17°C (62°F). However, March is significantly wetter, receiving approximately 221 mm (8.7 in) of rainfall over 18 days and a higher humidity of 72%. For a more detailed look at the specific weather conditions, you can visit Katoomba weather in March.
In September, temperatures range from a chilly -2°C (28°F) to a warm max of 29°C (84°F), with an average of 11°C (51°F), while April sees slightly milder temperatures with a minimum of 1°C (33°F) and the same maximum of 29°C (84°F), averaging around 14°C (57°F). Precipitation in September is higher at 49 mm (1.9 in) over 7 days, compared to April's 31 mm (1.2 in) over the same number of days. Additionally, humidity levels in April are higher at 75%, compared to September's 63%. This shift indicates a transition to more favorable conditions as spring progresses. For a closer look at the specifics of April weather in this region, you can visit Katoomba weather in April.
September and May exhibit notable differences in weather patterns. In September, temperatures can range from a minimum of -2°C (28°F) to a maximum of 29°C (84°F), with an average of 11°C (51°F). The month sees about 49 mm (1.9 in) of precipitation over approximately 7 days, with a humidity level of 63%. In contrast, May experiences slightly cooler conditions, with minimum temperatures also at -2°C (29°F) but a lower maximum of 22°C (73°F) and an average of 10°C (50°F). May has a total precipitation of 35 mm (1.4 in) across about 6 days, but with higher humidity at 74%. For more detailed information, you can visit Katoomba weather in May.
In comparing the weather of September and June, September displays a broader temperature range, with minimums dipping to -2°C (28°F) and maximums soaring up to 29°C (84°F), yielding an average of 11°C (51°F). This month experiences more precipitation, totaling 49 mm (1.9 in) over 7 days, alongside a humidity level of 63%. In contrast, June has a more moderate temperature range, with lows of -2°C (29°F) and highs peaking at 20°C (68°F), averaging 7°C (45°F). It sees less rainfall at 31 mm (1.2 in) across 6 days, and a slightly higher humidity of 72%. For a closer look at the specifics of June weather, visit Katoomba weather in June.
In comparing the weather of September and July, September typically offers a wider temperature range, with minimums at -2°C (28°F) and maximums reaching up to 29°C (84°F), giving an average temperature of 11°C (51°F). In contrast, July features slightly cooler temperatures, with minimums at -3°C (27°F) and maximums only hitting 19°C (67°F), leading to a lower average of 7°C (45°F). Precipitation is higher in September at 49 mm (1.9 in) over 7 days, compared to July's 35 mm (1.4 in) over 6 days. While September has a moderate humidity level of 63%, July's humidity is slightly higher at 68%. For more detailed insights on July weather, visit Katoomba weather in July.
In comparing the weather of September and August, September tends to be warmer overall, with an average temperature of 11°C (51°F) compared to August's 7°C (46°F). The maximum temperatures in September reach up to 29°C (84°F), significantly higher than August's max of 21°C (69°F). However, August experiences slightly more precipitation, with 54 mm (2.1 in) compared to September's 49 mm (1.9 in), although both months see similar rainfall days, with precipitation occurring on 7 days in each. Humidity levels are also slightly lower in September at 63%, compared to 67% in August. For more detailed information, you can check Katoomba weather in August.
In comparing the weather between September and October, we see notable differences in both temperature and precipitation patterns. September features a wider range of temperatures with a minimum of -2°C (28°F) and an average of 11°C (51°F), while October's temperatures start slightly higher, with a minimum of 1°C (34°F) and an average of 14°C (57°F). Both months can experience maximum temperatures reaching up to 29°C (84°F). However, October tends to be wetter, with 91 mm (3.6 in) of precipitation over 13 days compared to September's 49 mm (1.9 in) over 7 days. Additionally, humidity levels are lower in October at 55% than in September's 63%. For more detailed insights into the October weather, you can check Katoomba weather in October.
September and November exhibit notable differences in weather patterns. In September, temperatures range from a chilly minimum of -2°C (28°F) to a warm average of 11°C (51°F) and can peak at a toasty 29°C (84°F). Precipitation is relatively low, with 49 mm (1.9 in) occurring over 7 days and humidity at 63%. In contrast, November sees milder conditions with minimum temperatures around 3°C (37°F) and an average of 16°C (60°F), reaching a maximum of 34°C (94°F). Furthermore, November experiences significantly higher precipitation at 134 mm (5.3 in) over 13 days, while humidity drops slightly to 57%. For more detailed weather insights, you can check out Katoomba weather in November.
In September, the weather tends to be cooler, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 29°C (84°F) and an average of 11°C (51°F). This month experiences relatively low precipitation at 49 mm (1.9 in) over just 7 days, and humidity levels hover around 63%.
In contrast, December brings much warmer conditions, with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 38°C (100°F) and an average of 18°C (65°F). The increase in precipitation to 133 mm (5.2 in) spread over 16 days, combined with a higher humidity of 68%, creates a noticeably different atmosphere. For more detailed insights, visit Katoomba weather in December.
September in Katoomba marks a delightful transition into spring, where the weather brings a refreshing mix of mild temperatures and occasional rain. The days begin to warm up, contrasting with the cooler mornings and nights typical of winter. While humidity hovers around a comfortable 63%, the 49 mm of precipitation over seven days hints at the rejuvenating showers that help bring the region's vibrant flora to life. This balance of warmth and rain makes September an ideal time to explore the natural beauty of Katoomba as it bursts forth in bloom. For more details on seasonal variations, visit Katoomba Climate.