Last updated: February 26, 2025
In September, Caloundra, Australia, experiences a diverse range of weather, with maximum temperatures reaching an impressive 36°C (98°F), while averaging a comfortable 19°C (66°F). Minimum temperatures can drop to 7°C (45°F), providing a refreshing contrast. Throughout the month, the area sees approximately 25 mm (1.0 in) of rainfall over a span of 5 days, contributing to a humidity level of around 70%. This blend of warmth and occasional rain creates a dynamic climate perfect for outdoor activities, making September a vibrant time to explore Caloundra's natural beauty.
In September, Caloundra begins to shake off the coolness of winter, with temperatures starting to rise, making it an ideal time to enjoy the beautiful Australian outdoors. The month offers a pleasant average temperature of 19°C (66°F), while nighttime lows dip to 7°C (45°F), signaling the lingering chill. As the days progress, highs can reach up to 36°C (98°F), reminiscent of the more summery months ahead. This transition from mild to warm is evident as temperatures shift upward from the cooler conditions of August; September marks an awakening, inviting locals and visitors alike to witness the vibrant coastal life and stunning landscapes in the region.
In September, Caloundra experiences a moderate dip in precipitation, with only 25 mm (1.0 in) of rainfall spread across five days. This marks a significant decrease from the wettest months earlier in the year, particularly March, which sees an impressive 200 mm (7.9 in). Following the dry spell of August, when just 18 mm (0.7 in) fell over three days, September offers a brief reprieve before the rainfall picks up again in October, when totals soar to 164 mm (6.5 in). The trend suggests a gradual transition from the drier winter months into the wetter spring season, setting the stage for more frequent rains ahead.
In Caloundra, Australia, September marks the transition to a more moderate climate, with humidity levels settling at 70%. This slight decrease follows the peak summer months, where humidity hovered between 79% to 80% from January through March. As autumn approaches, a gradual decline is evident, with levels continuing to drop to 73% in May and reaching their lowest at 70% in July and September. Interestingly, as spring begins in October, humidity levels are expected to rise again, reflecting the area's cyclical weather patterns. This ebb and flow not only enhances the coastal charm of Caloundra but also offers residents and visitors a comfortable atmosphere to enjoy its stunning landscapes.
In September, Caloundra, Australia, experiences a UV Index of 10, categorizing it as very high and signaling a burn time of just 15 minutes. This marks a transition from the milder conditions of winter, as the UV Index shifts from 5 in July and June to a significant increase. Although the intensity is lower than the extreme levels seen in the summer months of January and February, it serves as a reminder to remain vigilant about sun protection. As the warmer months approach, the UV Index is expected to rise, peaking again in the late spring and summer, so residents and visitors should prepare accordingly. For more detailed information, check out the Caloundra UV Index.
UV Risk Categories
As spring unfolds in Caloundra during September, the region is bathed in an impressive 300 hours of sunshine, making it one of the sunniest months of the year. This delightful period marks a noticeable upswing in daylight, surpassing the cloudy winter months, where sunlight dipped to a low of 244 hours in June. Transitioning from the colder season, sunshine hours gradually begin to increase, peaking in spring and heading toward the vibrant summer months. This trend culminates in November, which boasts an astonishing 321 hours, hinting at the sunny days that lie ahead. As September dawns bright and promising, it sets a perfect tone for enjoying the enchanting coastal scenery and outdoor activities Caloundra has to offer.
As September rolls around in Caloundra, Australia, the likelihood of sunny weather remains quite favorable, with a 66% chance of sunshine. This marks a slight dip from the peak summer months but is still impressive, especially when compared to the earlier parts of the year. Notably, September holds its own alongside the drier months of July and August, showcasing a consistent trend of sunshine as the region transitions out of winter. As the temperatures warm and spring begins to take hold, this month presents a vibrant opportunity to enjoy the outdoors amidst lingering sunny days.
In September, Caloundra enjoys a daylight duration of 11 hours, mirroring the longer days of late summer as the seasons transition into spring. This month marks a gradual return to more sunlight, following the shorter winter months of June, July, and August, which all feature a consistent 10 hours of daylight. As the days begin to lengthen again, residents can anticipate more outdoor activities and vibrant sunsets. By October, daylight reaches 12 hours, setting the stage for the longer days of late spring and early summer, ultimately culminating in the 13 hours of daylight that characterize both November and December. This rhythmic pattern of daylight not only fosters a lively atmosphere but also highlights Caloundra’s wonderful climate, making it an ideal spot for those seeking warmth and sunshine.
As September unfolds in Caloundra, Australia, a noticeable shift in the coastal breeze emerges, with average wind speeds reaching 3.0 m/s (7 mph)—a refreshing lift compared to the preceding months. This invigorating change signals the arrival of spring, as gentle winds, often lingering at 2.5 to 2.8 m/s (6 mph), begin to strengthen, creating the perfect backdrop for outdoor activities and beach outings. With wind speeds slightly elevated, September feels particularly lively, setting the stage for a delightful transition into warmer months. As the season progresses, the trend of gradual increases in wind speed continues, hinting at the promise of more dynamic days ahead along the picturesque coastline.
The weather in Caloundra 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 Caloundra and find detailed weather information for every month.
September and January in Caloundra exhibit notable differences in weather patterns. September tends to see a wider temperature range, with minimums around 7°C (45°F) and maximums reaching up to 36°C (98°F), averaging at a comfortable 19°C (66°F). In contrast, January offers milder lows of 17°C (63°F) and consistently warmer days peaking at the same maximum of 36°C (97°F), yielding an overall higher average of 25°C (77°F). Additionally, January experiences significantly more precipitation, with 62 mm (2.5 in) over 11 days compared to September's 25 mm (1.0 in) across just 5 days, alongside increased humidity levels of 79% versus September's 70%. For more details on January weather, visit Caloundra weather in January.
In comparing the weather between September and February, noticeable differences emerge. September experiences a more varied temperature range, with minimums of 7°C (45°F) and maximums reaching up to 36°C (98°F), while averaging around 19°C (66°F). This month typically sees less precipitation, totaling about 25 mm (1.0 in) over five days, with a humidity level around 70%. In contrast, February is generally warmer, with minimum temperatures starting at 17°C (63°F) and average highs of 37°C (99°F), leading to an average of 25°C (77°F). Rainfall significantly increases in February, accumulating 137 mm (5.4 in) across 15 days, paired with higher humidity of 80%. For those interested in the climate specifics, further details can be found Caloundra weather in February.
When comparing the weather in September and March, notable differences emerge. September features a wider temperature range, with minimums as low as 7°C (45°F) and maximums reaching 36°C (98°F), resulting in an average of 19°C (66°F). In contrast, March brings milder minimums at 16°C (61°F) and higher averages of 24°C (75°F), with maximums capped at 34°C (94°F). Additionally, precipitation levels significantly differ, with September seeing just 25 mm (1.0 in) over 5 days, while March experiences a much wetter climate with 200 mm (7.9 in) across 21 days. The humidity also tends to be higher in March, at 80%, compared to September's 70%. For more detailed insights, you can check Caloundra weather in March.
When comparing the weather in September and April, there are notable differences in temperature and precipitation. In September, the temperatures can range from a minimum of 7°C (45°F) to a maximum of 36°C (98°F), with an average of 19°C (66°F). This month experiences relatively low precipitation at 25 mm (1.0 in) over about 5 days and has a humidity level of 70%.
In contrast, April features a slightly warmer climate with temperatures ranging from 11°C (52°F) to 32°C (89°F), averaging 21°C (70°F). This month sees significantly more rainfall, totaling 87 mm (3.4 in) over 14 days, accompanied by higher humidity at 77%. For more details on the weather in April, you can refer to Caloundra weather in April.
In comparing the weather between September and May, we find some notable differences. September experiences a wider temperature range, with a minimum of 7°C (45°F) and a maximum soaring up to 36°C (98°F), while May’s temperatures are slightly cooler, ranging from 7°C (44°F) to a maximum of 27°C (82°F). Precipitation levels also contrast, with May receiving significantly more rainfall at 63 mm (2.5 in) over 12 days compared to September's 25 mm (1.0 in) across 5 days. Additionally, humidity levels are fairly close, with September at 70% and May slightly higher at 73%. For a more detailed look at the weather conditions in May, you can check Caloundra weather in May.
Comparing the weather in September and June reveals notable differences in temperature and precipitation. In September, temperatures range from a cool minimum of 7°C (45°F) to a warm maximum of 36°C (98°F), with an average of 19°C (66°F). This month experiences significantly lower precipitation, with only 25 mm (1.0 in) over about 5 days, and a humidity level of 70%. In contrast, June features cooler temperatures, with minimums dipping to 4°C (39°F) and maximums reaching only 25°C (78°F), averaging 16°C (60°F). Additionally, June sees more rain, totaling 52 mm (2.0 in) across 8 days, with a slightly higher humidity of 72%. For a detailed look at June's weather patterns, visit Caloundra weather in June.
When comparing the weather patterns of September and July, notable differences emerge. September boasts a broader temperature range, with minimums reaching 7°C (45°F) and maximums soaring to 36°C (98°F), yielding an average temperature of 19°C (66°F). In contrast, July presents cooler conditions, featuring minimums of 4°C (39°F), an average of 15°C (60°F), and maximums capped at 26°C (80°F). Both months experience comparable humidity levels at 70%, but September enjoys slightly less precipitation, recording 25 mm (1.0 in) over 5 days compared to July’s 31 mm (1.2 in) across 7 days. For a more detailed insight into July weather, visit Caloundra weather in July.
In comparing the weather between September and August, September generally experiences a wider temperature range, with minimums at 7°C (45°F) and maximums reaching up to 36°C (98°F), while August shows lower temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 32°C (89°F). Additionally, the average temperature in September is higher at 19°C (66°F) compared to 16°C (61°F) in August. Precipitation is slightly more frequent in September, with an average of 25 mm (1.0 in) over 5 days, compared to 18 mm (0.7 in) over just 3 days in August. Humidity remains relatively consistent, at 70% in September and 72% in August, indicating a humid climate for both months. For more detailed information, check out Caloundra weather in August.
In comparison to September, October tends to be slightly warmer with average temperatures rising from 19°C (66°F) to 21°C (70°F). While both months can experience high daytime temperatures, October's maximum temperature of 35°C (95°F) remains just below September's peak of 36°C (98°F). However, October brings a significant increase in precipitation, with 164 mm (6.5 in) recorded over 12 days, compared to only 25 mm (1.0 in) over 5 days in September. Humidity levels also remain similar, with October at 72% compared to September's 70%. For more details, check out Caloundra weather in October.
In September, the weather tends to be milder, with temperatures ranging from a minimum of 7°C (45°F) to an average of 19°C (66°F) and a maximum of 36°C (98°F). The month experiences relatively low precipitation, totaling only 25 mm (1.0 in) over about 5 days, and humidity levels sit around 70%. In contrast, November sees warmer temperatures with a minimum of 11°C (53°F), an average of 22°C (73°F), and the same maximum of 36°C (98°F). However, precipitation increases significantly to 83 mm (3.3 in) over 10 days, and humidity rises to 77%. For more detailed insights on November weather, check Caloundra weather in November.
Comparing the weather in September and December reveals notable differences. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 36°C (98°F), with an average of 19°C (66°F) and relatively low humidity at 70%. Precipitation is minimal, averaging only 25 mm (1.0 in) over about 5 days. In contrast, December experiences warmer temperatures, with a minimum of 16°C (61°F) and a maximum reaching 38°C (101°F), while the average temperature sits at 24°C (76°F). December also sees increased humidity at 80% and more significant rainfall, totaling 115 mm (4.5 in) over 14 days. For a detailed look at December weather specifics, you can check Caloundra weather in December.
As September rolls in, Caloundra experiences a dynamic shift in weather that sets it apart from other months. With temperatures soaring to a warm 36°C, yet comfortably averaging around 19°C, the transition from winter to spring is palpable. While there's a moderate level of humidity at 70%, the amount of precipitation remains low, with only about 25 mm spread across 5 days. This month stands out for its vibrant, sunny days and cooler nights, inviting both locals and visitors to embrace the stunning coastal landscape. For a deeper insight into the weather patterns throughout the year, be sure to explore Caloundra Climate.