Last updated: February 26, 2025
September in Cottesloe, Australia showcases a delightful transition into spring, with maximum temperatures reaching 28°C (83°F), offering plenty of opportunities for outdoor adventures. The average temperature settles at a comfortable 15°C (60°F), while the nights can dip to a cool 7°C (44°F). Visitors should be prepared for occasional rainfall, as the area experiences 42 mm (1.6 in) of precipitation over seven rainy days throughout the month. With an average humidity of 71%, the coastal air remains refreshing, inviting locals and tourists alike to enjoy the beauty and vibrant atmosphere of Cottesloe during this enchanting time of year.
September in Cottesloe, Australia, marks a gentle transition into spring, with temperatures gradually warming up. The month typically sees minimums around 7°C (44°F), rising to an average of 15°C (60°F) and peaking at a comfortable 28°C (83°F). This increase reveals a comforting trend from the cooler winter months, inviting residents and visitors alike to enjoy the outdoors. While the average temperature remains relatively mild compared to the summer peak, the climb signals a vibrant shift in the local climate, making September a delightful time to explore Cottesloe's stunning beaches and blooming landscapes.
In September, Cottesloe experiences a moderate 42 mm (1.6 in) of precipitation over 7 days. This month marks a noticeable shift from the heavy rains of July and August, where the region saw peaks of 115 mm and 103 mm respectively. The gradual decline in rainfall is a sign that spring is on the horizon, with drier conditions expected in the coming months as indicated by October's similar precipitation of 41 mm (1.6 in). The transition reflects a cyclical pattern where the early part of the year often showcases more frequent rain, gradually tapering off toward the end of the year. In September, the balance of rainfall provides a refreshing reprieve while still supporting the lush landscapes characteristic of this coastal area.
In Cottesloe, Australia, September marks a transition in humidity as the cooler months gradually yield to the approaching warmth of spring. With humidity at 71%, this month reflects a slight decrease from the peak levels of July and June, which see a consistent high of 77%. The gradual decline from the more humid winter months suggests an impending shift towards drier conditions as spring arrives. Interestingly, September also holds a balance, feeling less muggy than the preceding months, yet it's still notably higher than the dryness expected in the summer, especially in the upcoming months of October and November. As the year progresses, the humidity trends here illustrate a natural ebb and flow, encapsulating the rhythm of Cottesloe's coastal climate.
In September, Cottesloe, Australia, experiences a UV Index of 8, categorizing it as very high with a burn time of 15 minutes. This marks a slight increase from the moderate levels seen in the winter months, reminding residents and visitors alike to stay vigilant as warmer days approach. Following the trend established in previous months, the UV Index in Cottesloe begins to rise as spring unfolds, inching closer to the extremes seen in the summer. As you enjoy the transition into sunnier days, be sure to check the daily forecast and take appropriate sun safety measures to protect your skin. For more details, visit Cottesloe UV Index.
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As September rolls into Cottesloe, the transition into spring brings a delightful 297 hours of sunshine, signaling a resurgence of warmth and vibrancy. Compared to the colder winter months, this uptick in sunlight is a refreshing reminder of the longer, brighter days ahead. As the year progresses, sunlight hours continue to climb, peaking dramatically in November with an impressive 352 hours. This trend illustrates not only the seasonal shift but also sets the tone for the impending summer, inviting locals and visitors alike to bask in the beauty of Cottesloe's stunning coastal scenery.
In Cottesloe, Australia, the likelihood of sunny weather in September stands at 67%, reflecting an encouraging trend as the region transitions from winter to spring. As the days begin to warm up, this percentage positions September as one of the brighter months following the cooler winter period, with an increase in sunshine compared to the June low of just 39%. While October sees a slight dip to 49%, September remains a delightful time to enjoy outdoor activities, heralding the arrival of sunnier days and a welcoming atmosphere as nature comes back to life.
In Cottesloe, Australia, September marks a delightful transition as daylight begins to lengthen, offering 11 hours of sunlight. Following the steady decline from the long days of summer, this month serves as a gentle reminder of the approaching warmth of spring. After the consistent 10-hour days in the winter months of June, July, and August, September signals the shift back towards more daylight, paving the way for October's 12 hours. This gradual increase not only enhances the beachside beauty of Cottesloe but also invites locals and visitors alike to relish the longer evenings spent by the sparkling ocean, making it a vibrant time of year for the community.
As September ushers in the arrival of spring in Cottesloe, Australia, the average wind speed settles at a gentle 4.7 m/s (10 mph). This marks a subtle continuation of the trend seen in the preceding months, where the winds have gradually softened from the summer's peak, with January and July both recording 6.2 m/s (14 mph). Following this summer high, the winds have tapered off, creating a tranquil atmosphere as locals and visitors alike embrace the warming days. As the month progresses, it’s evident that the coastal breezes are neither too brisk nor too still, inviting everyone to enjoy the stunning beaches and vibrant sunsets that Cottesloe is renowned for.
The weather in Cottesloe 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 Cottesloe and find detailed weather information for every month.
In September, temperatures range from a cool minimum of 7°C (44°F) to a pleasant average of 15°C (60°F), peaking at a comfortable 28°C (83°F). The month is characterized by a relatively high humidity of 71% and experiences precipitation on about seven days, totaling 42 mm (1.6 in). In contrast, January brings significantly warmer conditions, with minimum temperatures around 13°C (56°F) and averages climbing to 24°C (75°F), while maximums can soar to 37°C (99°F). Additionally, January sees much lower humidity at 52% and very little rain, with only 31 mm (1.2 in) reported across the month and no precipitation days. For more details on the specific weather patterns in January, you can check this link: Cottesloe weather in January.
September and February present contrasting weather patterns. In September, temperatures typically range from a minimum of 7°C (44°F) to a comfortable average of 15°C (60°F), peaking at a maximum of 28°C (83°F). The month sees around 42 mm (1.6 in) of precipitation, spread over 7 days, accompanied by a relatively high humidity of 71%. In contrast, February boasts warmer conditions, with temperatures fluctuating between a minimum of 14°C (57°F) and an average of 24°C (75°F), reaching as high as 38°C (101°F). This month has more precipitation, totaling 58 mm (2.3 in) across just 4 days, and a lower humidity level of 55%. For more detailed insights, you can explore Cottesloe weather in February.
When comparing the weather in September and March, we can see some notable differences. September experiences cooler temperatures, with a minimum of 7°C (44°F) and an average of 15°C (60°F), while March is significantly warmer, featuring a minimum of 11°C (53°F) and an average of 23°C (73°F). Additionally, March can reach much higher maximum temperatures, peaking at 35°C (96°F), compared to September's maximum of 28°C (83°F). Precipitation is also less frequent in March, with only 21 mm (0.8 in) falling over 4 days, whereas September sees 42 mm (1.6 in) across 7 days. Finally, the humidity is lower in March at 59% compared to September's 71%. For more detailed information, you can check Cottesloe weather in March.
When comparing the weather in September and April, a noticeable difference in temperature is observed. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 28°C (83°F), with an average of 15°C (60°F). Conversely, April experiences warmer conditions, with temperatures ranging from 9°C (49°F) to a high of 34°C (94°F) and an average of 20°C (68°F). Precipitation is also less common in April, totaling 21 mm (0.8 in) over just 3 days compared to September's 42 mm (1.6 in) over 7 days. Both months have similar humidity levels, at around 71% in September and 70% in April. For more details on April's weather, you can check Cottesloe weather in April.
In September, the weather features a broader range of temperatures, with minimums around 7°C (44°F), an average of 15°C (60°F), and maximums reaching up to 28°C (83°F). The month sees about 42 mm (1.6 in) of precipitation over roughly 7 days and maintains a humidity level of 71%. In contrast, May offers a slightly warmer climate, with minimum temperatures similar at 7°C (45°F) but with a higher average of 17°C (62°F) and maximums slightly edging up to 29°C (84°F). Precipitation is increased to 58 mm (2.3 in) over 8 days, with humidity levels remaining comparable at 72%. For more details on the weather specifics in May, you can check Cottesloe weather in May.
When comparing the weather in September and June, we see some interesting contrasts. September typically experiences a wider temperature range, with minimums dipping to 7°C (44°F) and maximums soaring to 28°C (83°F), resulting in pleasant average temperatures of 15°C (60°F). In contrast, June has a more moderate temperature profile, with lows around 8°C (46°F) and highs peaking at 24°C (75°F), maintaining a similar average of 15°C (59°F). Precipitation is notably higher in June with 107 mm (4.2 in) over 11 days compared to September's 42 mm (1.6 in) across 7 days. Additionally, humidity levels in June are slightly higher at 77%, compared to 71% in September. For more details, you can check out Cottesloe weather in June.
When comparing the weather in September and July, September generally offers milder temperatures with a minimum of 7°C (44°F) and a maximum of 28°C (83°F), making it warmer than July, which has a minimum of 8°C (47°F) and a cooler maximum of 23°C (73°F). Precipitation levels in July are significantly higher, with 115 mm (4.5 in) recorded over 16 days, compared to September's 42 mm (1.6 in) over just 7 days. Additionally, September's humidity stands at 71%, slightly lower than July's 77%, indicating that September tends to feel a bit more comfortable. For those interested in exploring weather specifics in July, you can check out Cottesloe weather in July.
In comparing the weather between August and September, September showcases slightly warmer temperatures, with a minimum of 7°C (44°F), an average of 15°C (60°F), and a maximum of 28°C (83°F). In contrast, August has similar minimum temperatures at 7°C (45°F) but a lower average of 14°C (58°F), and a maximum of 26°C (78°F). Precipitation also differs significantly, with September receiving 42 mm (1.6 in) over 7 days, whereas August experiences much higher rainfall of 103 mm (4.1 in) across 11 days. Humidity remains relatively high in both months, at 71% for September and 75% for August. For an in-depth look at Cottesloe's weather trends in August, visit Cottesloe weather in August.
September and October exhibit a noticeable transition in weather patterns. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 28°C (83°F), with an average of 15°C (60°F) and a humidity level of 71%. Precipitation during this month reaches 42 mm (1.6 in) over 7 days. In contrast, October sees higher temperatures, with a minimum of 9°C (48°F), an average of 17°C (63°F), and a maximum of 32°C (90°F). Although October has a similar precipitation level of 41 mm (1.6 in) over the same number of days, the humidity drops to 63%. This shift indicates a warming trend as the month progresses. For more detailed weather information, you can check Cottesloe weather in October.
September and November showcase a noticeable shift in weather patterns. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 28°C (83°F), with an average temperature of 15°C (60°F). The month sees about 42 mm (1.6 in) of precipitation over 7 days, contributing to a higher humidity level of 71%. In contrast, November experiences warmer temperatures, with a minimum of 10°C (50°F) and a maximum reaching 35°C (96°F), averaging at 20°C (68°F). Precipitation decreases to 26 mm (1.0 in) over just 3 days and humidity drops to 56%. For more detailed information, visit Cottesloe weather in November.
In September, the weather is more moderate, with temperatures ranging from a chilly minimum of 7°C (44°F) to a warm maximum of 28°C (83°F), while average temperatures settle around 15°C (60°F). This month also experiences a fair amount of precipitation, with 42 mm (1.6 in) falling over approximately 7 days, contributing to a relatively high humidity level of 71%.
In contrast, December sees significantly warmer temperatures, with a minimum of 10°C (51°F) and a much higher average of 23°C (73°F), reaching extremes of up to 40°C (104°F). The precipitation drops notably to just 8 mm (0.3 in) over 2 days, and humidity decreases to about 53%. For more details about December weather in this region, you can check Cottesloe weather in December.
As September ushers in the arrival of spring in Cottesloe, the weather showcases a delightful contrast to the more intense conditions of winter. With pleasantly warm days, temperatures can reach up to 28°C, while the average cools to a comfortable 15°C. Although there may be occasional rainfall—spreading over about seven days with a total of 42 mm—the heightened humidity at 71% adds a refreshing feel, encouraging residents and visitors alike to enjoy the blooming coastal scenery. For a deeper understanding of Cottesloe's diverse weather throughout the year, explore the complete details at Cottesloe Climate.