Last updated: February 26, 2025
In September, Encounter Bay, Australia, showcases a dynamic transition from winter to spring, characterized by a maximum temperature of 27°C (82°F) and a minimum of 4°C (40°F), creating an invigorating climate. The average temperature hovers around 12°C (55°F), inviting outdoor exploration. With 42 mm (1.6 in) of rainfall spread over 10 days, the lush landscapes are nourished, enhancing the region's natural beauty. A humidity level of 65% adds to the refreshing atmosphere, making September an ideal time to experience the stunning coastal beauty and diverse wildlife of Encounter Bay.
In September, Encounter Bay emerges from the cooler winter months, with temperatures gradually rising as spring settles in. The minimum temperature hovers around 4°C (40°F), offering a fresh start to the day, while the average temperature climbs to a mild 12°C (55°F), setting a pleasant tone for outdoor activities. As the days progress, the maximum temperature can reach a comfortable 27°C (82°F), ideal for enjoying sun-soaked afternoons by the bay. This month marks a notable transition, with temperatures progressively warming from the cooler August nights, hinting at the vibrant and inviting days ahead in this picturesque coastal region.
In September, Encounter Bay experiences a notable shift in precipitation patterns, with an average of 42 mm (1.6 in) recorded over 10 days of rain. This marks a decrease from the wetter months of July and August, where precipitation peaked at 57 mm and 68 mm, respectively. The transition into spring brings a refreshing respite from the heavier downpours, suggesting a trend towards lighter, more intermittent rainfall as the year progresses. While September remains relatively wet compared to the earlier months of the year, it sets the stage for the drier autumn months ahead, with October and November expected to see reduced precipitation levels.
As the seasons transition in Encounter Bay, Australia, September marks a significant shift in humidity levels, showing a decline to 65% after the peak summer months. This is part of a broader trend where humidity rises steadily from 41% in January to a high of 76% in the winter months of June and July, before gradually tapering off into spring. With September's humidity reflecting a slight decrease from August's 70%, it signals the start of more comfortable conditions, paving the way for October's drier atmosphere at 51%. This cyclical pattern highlights how coastal climates can oscillate between humid and drier spells throughout the year, offering a unique weather experience that is appreciated by both locals and visitors alike.
In Encounter Bay, Australia, the UV Index experiences a notable shift throughout the year. As summer peaks in January with an extreme UV Index of 14, the critical exposure level remains elevated into February and March, making burn times dangerously short at just 10 minutes. However, as autumn approaches in April, the index dips to 8, signaling a transition to very high exposure, and burn times extend to 15 minutes. The trend continues into winter, where from June to August, the UV Index stabilizes at a moderate level of 3 to 5, allowing for longer burn periods of 30 minutes. September marks a resurgence, with a 7 on the UV scale, categorized as high, necessitating about 25 minutes of cautious sun exposure. As the year winds down, the UV levels spike back to extremes in December, reinforcing the importance of sun safety year-round. For more details, check the Encounter Bay UV Index.
UV Risk Categories
As September arrives in Encounter Bay, Australia, the sun begins to make a glorious return, with 279 hours of sunshine illuminating the landscape. This marks a notable increase compared to the cooler months of June and July, which struggled with only 219 and 233 hours respectively. The trend of gradually rising sunlight continues from the previous months, inviting vibrant spring blooms and outdoor activities. As the days lengthen, September’s sunshine sets the stage for an impressive sun-drenched October, which boasts an even more abundant 305 hours of light. These warm rays not only herald the onset of spring but also invigorate the community, encouraging exploration of the stunning coastal scenery and fostering a renewed connection with nature.
In Encounter Bay, Australia, the likelihood of sunny weather in September stands at a promising 50%, marking a noticeable uptick as we transition from winter to spring. This figure mirrors the forecasts for August but signals a shift in the seasonal pattern, as temperatures rise and days grow longer. The trend reveals an increase in sunshine potential through the months, with the peak being in March at 59%. This optimistic outlook for September is complemented by a decline in gloomy days from the colder months of May to July, suggesting that while some cloud cover may linger, the chances of enjoying bright, sunny weather are on the rise as the region welcomes the fresh beginnings of spring.
As summer transitions to autumn in Encounter Bay, Australia, September marks an intriguing shift in daylight duration. Following the long, sunlit days of January, which bask in 14 hours of light, the hours gradually recede until they reach their yearly low of 9 hours in June. However, September brings a refreshing resurgence with daylight extending back to 11 hours, signaling the gradual approach of spring. This pattern reflects a rhythmic ebb and flow in daylight, capturing the essence of nature’s cycles as the days gradually lengthen once more. With a compelling mix of light and warmth, September invites residents and visitors alike to enjoy the natural beauty that comes with the changing season.
As September unfolds in Encounter Bay, Australia, a noticeable shift in the wind begins to take shape. With an average wind speed of 4.3 m/s (10 mph), the month showcases a gentle yet invigorating breeze that represents a slight uptick from the preceding months. This increase from August’s average of 3.9 m/s marks September as a transitional period, hinting at the approach of warmer days ahead. Following July's peak of 4.8 m/s, the wind might have calmed, but it still carries the promise of adventure for those drawn to the bay's enchanting waters. As the seasons change, such variations in wind speed contribute to the unique character of Encounter Bay, inviting exploration and connection with nature.
The weather in Encounter Bay 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 Encounter Bay and find detailed weather information for every month.
When comparing the weather in September and January, it is evident that January tends to be significantly warmer and drier. September experiences cooler temperatures with a minimum of 4°C, an average of 12°C, and a maximum of 27°C, alongside 42 mm of rainfall over 10 days and a humidity level of 65%. In contrast, January boasts milder minimum temperatures of 11°C, a higher average of 20°C, and potentially scorching maximums reaching up to 43°C, with just 18 mm of rain over only 2 days and a much lower humidity of 41%. For more detailed information on January conditions, check out Encounter Bay weather in January.
In September, the weather typically features a temperature range from a minimum of 4°C (40°F) to a maximum of 27°C (82°F), with an average of 12°C (55°F). This month sees about 42 mm (1.6 in) of precipitation over approximately 10 days, accompanied by a relative humidity of 65%. In contrast, February experiences significantly warmer temperatures, ranging from a minimum of 10°C (51°F) to a maximum of 38°C (102°F), with an average of 19°C (66°F). The month is relatively dry, with only 20 mm (0.8 in) of precipitation spread across 3 days and a lower humidity of 46%. For more details on the climate during this time, you can check out Encounter Bay weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a cool minimum of 4°C (40°F) to a warm maximum of 27°C (82°F), with an average of 12°C (55°F). The month sees moderate precipitation, totaling 42 mm (1.6 in) over around 10 days and a humidity level of 65%. Conversely, March experiences milder conditions with minimum temperatures around 9°C (49°F), an average of 18°C (65°F), and peaks at a scorching 38°C (101°F). Rainfall is significantly lower at 15 mm (0.6 in) over just 4 days, alongside reduced humidity at 55%. For a detailed overview, refer to Encounter Bay weather in March.
When comparing the weather in September and April, a notable shift is apparent. September generally experiences cooler temperatures with an average of 12°C (55°F) and a maximum of 27°C (82°F), while April tends to be warmer, averaging 16°C (62°F) and reaching up to 33°C (91°F). Precipitation is relatively low in both months, but September has more rainy days, with precipitation occurring on about 10 days compared to just 4 days in April. Humidity levels are quite similar, with September at 65% and April slightly higher at 66%. For more detailed information on the specific weather patterns in April, you can visit Encounter Bay weather in April.
In September, the weather features a broader temperature range, with a minimum of 4°C (40°F) and a maximum of 27°C (82°F), leading to an average temperature of 12°C (55°F). Comparatively, May sees slightly milder conditions, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 26°C (80°F) and an average of 13°C (56°F). While September experiences 42 mm (1.6 inches) of precipitation over about 10 days, May has a bit more rainfall at 49 mm (1.9 inches) across 9 days, accompanied by higher humidity levels of 73% compared to September's 65%. For more detailed insights, check out Encounter Bay weather in May.
When comparing the weather of September and June, we see some notable differences. September typically experiences a wider temperature range, with minimums around 4°C (40°F), average temperatures of 12°C (55°F), and maximums reaching 27°C (82°F). In contrast, June is cooler overall, with minimum temperatures of 3°C (38°F) and maximums peaking at 20°C (68°F). Precipitation is slightly higher in June, averaging 47 mm (1.8 in) over 9 days, compared to September's 42 mm (1.6 in) over 10 days. Additionally, June has higher humidity levels at 76%, compared to September's 65%. For a detailed look at June weather specifics, check out Encounter Bay weather in June.
In comparing the weather in September to that of July, September generally experiences warmer daytime temperatures, with a maximum of 27°C (82°F) compared to July's maximum of 19°C (67°F). Despite both months starting with the same minimum temperature of 4°C (40°F), September boasts a higher average temperature of 12°C (55°F) versus July's 11°C (52°F). However, July is characterized by slightly more rainfall, with 57 mm (2.3 in) compared to September's 42 mm (1.6 in), and it has a marginally higher humidity level of 76% compared to September's 65%. For a more detailed look at July's weather patterns, you can visit Encounter Bay weather in July.
In comparing the weather of September to August, September generally experiences slightly warmer temperatures, with a minimum of 4°C and an average high of 27°C, compared to August’s minimum of 2°C and maximum of 22°C. Precipitation in September is lower, totaling 42 mm over 10 days, while August sees more rain, accumulating 68 mm across 13 days. Humidity levels also decrease slightly in September, averaging 65% compared to August’s 70%. For more details, you can check Encounter Bay weather in August.
September and October showcase a notable transition in weather conditions. September features cooler temperatures, with a minimum of 4°C (40°F) and an average of 12°C (55°F), while temperatures rise in October, displaying a minimum of 6°C (43°F) and an average of 14°C (58°F). October also experiences warmer maximum temperatures, reaching up to 33°C (92°F), compared to September's 27°C (82°F). Both months have similar levels of precipitation, with September slightly wetter at 42 mm (1.6 in) over 10 days, while October records 39 mm (1.5 in) over just 7 days and a lower humidity of 51% compared to September's 65%. For a detailed look at the conditions in October, visit Encounter Bay weather in October.
In September, the weather typically presents a broader temperature range with a minimum of 4°C (40°F), averaging at 12°C (55°F) and peaking at 27°C (82°F). Precipitation is relatively significant at 42 mm (1.6 in), spread over about 10 days, alongside a humidity level of 65%. In contrast, November exhibits milder temperatures, with a minimum of 7°C (44°F), an average of 16°C (62°F), and an unusually high maximum of 38°C (100°F). The month sees less rainfall, totaling 34 mm (1.3 in) over approximately 7 days, and lower humidity at 50%. For a detailed look at the weather in November, you can check out Encounter Bay weather in November.
September and December present distinct contrasts in weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 27°C (82°F), with an average of 12°C (55°F). This month experiences around 42 mm (1.6 in) of precipitation over about 10 days, along with higher humidity levels at 65%. In contrast, December boasts warmer temperatures, with a minimum of 8°C (47°F), an average of 18°C (65°F), and a peak reaching a scorching 40°C (105°F). Precipitation decreases significantly to 20 mm (0.8 in) spread over just 5 days, and humidity drops to 46%. For more detailed information, you can check out Encounter Bay weather in December.
As the chill of winter recedes, September in Encounter Bay ushers in a refreshing transition marked by a pleasing blend of warmer temperatures and moderate humidity. Unlike the cooler months prior, this time of year sees an invigorating rise in daytime warmth, although the mornings can still start cool. With an average temperature that dances around a comfortable 12°C, it’s clear that this month is a prelude to the approaching summer. However, the frequent, albeit light, rainfall—spanning about ten days—adds a subtle contrast to the emerging sunshine, keeping the landscape lush and vibrant. For more detailed insights into the year-round climate patterns, check out Encounter Bay Climate.