Last updated: February 25, 2025
In September, West Arnhem, Australia, experiences warm and inviting weather, characterized by a maximum temperature soaring up to 37°C (99°F) and a pleasant average of 27°C (81°F). Nighttime brings a refreshing drop as temperatures dip to a comfortable minimum of 14°C (58°F). With exceptionally low precipitation totaling just 2 mm (0.1 in) and no recorded rain days, the region enjoys a humidity level of 41%, making it an ideal month for outdoor activities amidst the stunning landscapes of Arnhem Land.
In September, West Arnhem, Australia, experiences a slight warming trend as the region transitions towards the end of the dry season. With minimum temperatures hovering around a comfortable 14°C (58°F), the average climbs to 27°C (81°F), peaking at a striking 37°C (99°F). This month marks the tail end of the cooler dry season, as temperatures gradually rise, preparing the landscape for the approaching wet season. The consistent warmth, coupled with extended daylight hours, makes September an ideal time for outdoor exploration and appreciation of the area's stunning natural beauty.
As September rolls into West Arnhem, Australia, the region experiences a notable lull in precipitation, accumulating only 2 mm (0.1 in) of rain throughout the month, marking a stark contrast to the heavy showers of earlier months. This is the tail end of a prolonged dry spell, following the peak rainy season from January to March, where monthly totals exceeded 200 mm consistently. With no recorded rainfall days in September, the area shifts towards drier conditions, hinting at the seasonal transition ahead. This minimal precipitation paves the way for the upcoming months, as October begins to pick up with 15 mm (0.6 in) anticipated, gradually reintroducing moisture to the landscape as it gears up for the wetter season.
In September, West Arnhem, Australia experiences a notable drop in humidity, reaching a comfortable 41%. This marks a significant decrease from the 80% humidity recorded in January and follows a general trend of declining moisture levels that begins in mid-year. As the dry season sets in, September reflects the ongoing shift, with humidity levels falling to their lowest point, aligning with the dry conditions observed in both July and August. This pattern sets the stage for the emerging warmth of spring, where humidity levels gradually begin to rise again in October, hinting at the seasonal transitions that characterize this unique Australian region.
In September, West Arnhem experiences a UV Index of 15, categorizing the sun's rays as extreme and maintaining a quick burn time of just 10 minutes. This follows a trend of consistently high UV levels throughout the year, with indices hovering between 14 and 16 from January through October. The intensity of the sun's radiation signifies that residents and visitors should remain vigilant, especially as the warmer months approach. Notably, the only month with a notably lower UV Index is June, where it drops to 9 but quickly rebounds in the subsequent months. For more detailed information on UV levels and safe sun practices, visit West Arnhem UV Index.
UV Risk Categories
As September dawns in West Arnhem, Australia, the region basks in 310 hours of glorious sunshine, continuing a trend of abundant daylight that began in the mid-year months. This pattern reflects a gradual increase in sunlight, with each month from May onward showcasing impressive hours, peaking in October at 324 hours. The steady climb from February's 246 hours indicates a clear shift towards longer, sun-soaked days, encouraging outdoor activities and community gatherings under the warm, golden rays. As the year progresses, the consistent trend illustrates West Arnhem's transition into its sunniest season, where every hour of sunshine forms the fabric of vibrant local life.
As September rolls into West Arnhem, Australia, the likelihood of sunny weather remains quite promising, with a 55% chance of sunshine. This marks a slight decrease from the preceding months of August, which enjoyed a robust 72% opportunity for clear skies. September’s sunshine potential aligns closely with the tail end of the dry season, where the trends showcase a gradual transition from the peak sunny months of mid-year back towards the wetter season. Following this month, the outlook remains balanced with a 50% chance of sun in October, suggesting that while September might not be as sun-drenched as August, it still holds plenty of opportunities for those seeking to soak up some rays before the rainy season takes hold.
In West Arnhem, Australia, September marks a notable shift in daylight duration as it transitions from the shorter days of winter to the familiar 12-hour sunlight characteristic of the summer months. Following a consistent pattern, daylight spans 11 hours during the colder months from April through August, fostering cosy evenings and cool breezes. However, as spring approaches in September, the daylight returns to a vibrant 12 hours, signaling the arrival of warmer weather and longer days. This seasonal change is not only a herald of more sunshine, but it also encourages outdoor activities and revitalizes the local flora and fauna, making this month a delightful time for both residents and visitors alike.
As September unfolds in West Arnhem, Australia, the winds pick up strength, reaching an average speed of 3.5 m/s (8 mph), mirroring the breezy patterns observed in the preceding months of August and May. This uptick marks a noticeable shift from the quieter early months of the year, where the wind barely stirred at around 2.2 to 2.4 m/s (5 mph). The sustained vigor of the wind during this time hints at the transition towards the more dynamic weather patterns typical of the approaching wet season. With these consistent breezes, September not only brings a refreshing change but also sets the stage for the atmospheric shifts ahead, underscoring the unique climatic rhythm of this Australian region.
The weather in West Arnhem 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 West Arnhem and find detailed weather information for every month.
September and January present notably different weather conditions. In September, temperatures range from a mild 14°C (58°F) at night to a warm 37°C (99°F) during the day, with an average of 27°C (81°F) and virtually no rainfall, resulting in low humidity of 41%. In contrast, January brings warmer nights with a minimum of 23°C (74°F) and an average temperature of 28°C (83°F), while daytime highs remain similar at 37°C (98°F). However, January is significantly wetter, with some 266 mm (10.5 in) of precipitation over 22 days, leading to a much higher humidity level of 80%. For more details about January weather, check out West Arnhem weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a pleasant minimum of 14°C (58°F) to a high of 37°C (99°F), with an average temperature of 27°C (81°F). This month is characterized by minimal precipitation, with just 2 mm (0.1 inches) and no rainy days, along with a comfortable humidity level of 41%. In stark contrast, February sees much warmer temperatures, with a minimum of 23°C (74°F) and an average of 28°C (83°F), peaking at 37°C (98°F). However, February is much wetter, recording an impressive 304 mm (12.0 inches) of rainfall over 22 days, resulting in high humidity at 88%. For more details, check out West Arnhem weather in February.
In comparing the weather of September and March, it is clear that they present quite distinct climates. September boasts a warm temperature range with a minimum of 14°C (58°F) and an average high of 37°C (99°F), while enjoying very little precipitation, only 2 mm (0.1 in) across no rainy days, and a humidity level of 41%. In contrast, March experiences higher humidity at 86% and a significant increase in rainfall, with 224 mm (8.8 in) spread over 24 days. The temperatures in March are slightly warmer, with a minimum of 22°C (73°F) and an average of 28°C (82°F), peaking at 36°C (98°F). For more information on March's weather specifics, check out West Arnhem weather in March.
September and April showcase distinct weather patterns. September offers warmer temperatures, with a minimum of 14°C and an average high of 27°C, but it remains relatively dry, averaging only 2 mm of precipitation over 0 days. In contrast, April's temperatures are slightly higher, with a minimum of 19°C and an average high of 28°C, but it is much wetter, experiencing significant rainfall of 118 mm over 11 days. Additionally, April's humidity is notably higher at 80%, compared to September's 41%. For more insights, check out the details on West Arnhem weather in April.
September and May exhibit distinct weather patterns, showcasing the transition from the dry season to the wet season. In September, temperatures range from a comfortable minimum of 14°C (58°F) to a scorching maximum of 37°C (99°F), with minimal precipitation of just 2 mm (0.1 in) and no rainy days, resulting in relatively low humidity at 41%. Conversely, May features slightly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 35°C (96°F). However, this month sees a notable increase in precipitation at 13 mm (0.5 in) over one rainy day, accompanied by higher humidity levels at 68%. For more detailed information, visit West Arnhem weather in May.
In comparing September and June weather, September generally offers warmer temperatures, with a minimum of 14°C and an average of 27°C, peaking at 37°C. In contrast, June has slightly cooler conditions, featuring a minimum of 13°C and an average temperature of 25°C, with a maximum of 34°C. Both months experience minimal precipitation, with only 2 mm in September and 1 mm in June, and neither shows any rainy days. Notably, June has higher humidity levels at 54%, compared to September's lower 41%. For detailed weather information, you can visit West Arnhem weather in June.
In comparing the weather of September and July, September generally experiences warmer temperatures, with average highs reaching up to 37°C (99°F) compared to July's maximum of 35°C (94°F). Both months have similar minimum temperatures of 14°C (58°F), but September's overall average is higher at 27°C (81°F) versus July's 25°C (77°F). Precipitation levels are relatively low in both months, with only 2 mm (0.1 in) in September and 1 mm (0.1 in) in July, and neither month reports any rainy days. Humidity also varies slightly, with September at 41% and July higher at 46%. For more detailed information, you can check West Arnhem weather in July.
September weather shows a slight increase in temperatures compared to August, with average highs rising to 37°C (99°F) from August's 36°C (97°F). The minimum temperatures are comparable, with September starting at 14°C (58°F) versus August's 13°C (56°F). Both months experience very low precipitation levels, although September records slightly more with 2 mm (0.1 in) compared to August's 1 mm (0.0 in) and both months see no days of rain. Humidity also decreases from August's 46% to 41% in September, leading to a drier feel as the seasons transition. For more detailed insights, check West Arnhem weather in August.
In September, the weather typically features a minimum temperature of 14°C (58°F) and an average high of 27°C (81°F), with maximum temperatures reaching up to 37°C (99°F). This month sees very little precipitation, averaging just 2 mm (0.1 in) over zero rainy days, all while maintaining a constant humidity of 41%. In contrast, October brings slightly warmer conditions, with minimum temperatures rising to 18°C (65°F) and an average high of 29°C (84°F). The maximum temperatures can reach 39°C (102°F), and there is a noticeable increase in rainfall, totaling 15 mm (0.6 in) across three days of precipitation, while humidity remains steady at 41%. For more detailed weather information, check out West Arnhem weather in October.
In September, the weather is typically warm and dry, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 37°C (99°F) and an average of 27°C (81°F). The humidity is relatively low at 41%, and there is virtually no precipitation, making it an ideal month for outdoor activities. In contrast, November experiences slightly higher temperatures, with minimums of 21°C (70°F) and maximums reaching 39°C (102°F), averaging around 29°C (85°F). This month also sees increased humidity at 44% and significant rainfall of 56 mm (2.2 in) spread over 9 days, indicating a shift to a wetter climate. For more details on the weather conditions, you can visit West Arnhem weather in November.
The weather in September and December showcases significant contrasts, particularly in temperature and precipitation. September boasts warmer average temperatures, ranging from a minimum of 14°C (58°F) to a maximum of 37°C (99°F), with very little precipitation at just 2 mm (0.1 in) across the month. In contrast, December experiences higher humidity levels at 61% and significantly more rain, accumulating 147 mm (5.8 in) over 15 days, while temperatures remain slightly cooler with averages ranging from 24°C (75°F) to 39°C (102°F). This shift reflects the transition from the dry season to the wet season in the region. For more detailed insights, you can check West Arnhem weather in December.
As September rolls in, West Arnhem experiences a delightful shift in weather, leaving behind the heavier humidity and precipitation of the preceding months. With maximum temperatures soaring up to a warm 37°C (99°F) but averaging a comfortable 27°C (81°F), this month heralds a time for outdoor activities under clearer skies. The notable absence of rain, with only 2 mm of precipitation recorded throughout, allows for brilliant sunshine and lower humidity levels at 41%, making it ideal for adventurers and nature lovers alike. For those interested in understanding more about how September fits within the broader trends of the region, check out West Arnhem Climate.