Last updated: February 26, 2025
In September, Derby, Australia experiences a distinctive climate characterized by warm temperatures and an arid atmosphere. The maximum temperature can soar up to 39°C (102°F), with an average of 27°C (81°F), while the minimum dips to a comfortable 14°C (58°F). This month stands out with no recorded precipitation, making for a dry landscape with humidity levels around 43%. The lack of rain and sunny skies create ideal conditions for outdoor activities, inviting both locals and visitors to enjoy the vibrant surroundings.
In September, Derby, Australia, experiences a gentle transition towards warmer days, with temperatures beginning to rise after the cooler months. The minimum temperature hovers around 14°C (58°F), while the average climbs to a comfortable 27°C (81°F), making it a pleasant time for outdoor activities. Daytime highs can still reach an impressive 39°C (102°F), reflecting the lingering warmth of winter but hinting at the upcoming summer heat. This month showcases a captivating balance: chilly mornings give way to sunny afternoons, setting the stage for the hotter months ahead, with October expected to see even higher temperatures. Overall, September acts as a vibrant prelude to Derby’s sweltering summer climate, captivating visitors and locals alike.
In Derby, Australia, the month of September marked a continuation of the region's dry spell, with zero precipitation recorded for the month, consistent with the preceding months of July and August. This absence of rainfall is a notable contrast to the wetter months experienced earlier in the year, particularly January and February, when the region received substantial amounts of 227 mm and 187 mm respectively. The dry months indicate a clear seasonal trend, as Derby transitions into spring, suggesting a shift in weather patterns that could affect agriculture and water resources in the area. As the year progresses, all eyes will be on October, hoping for even the slightest hint of rain to break this prolonged dry period.
In September, Derby, Australia experiences a humidity level of 43%, which marks a transition as the weather begins to shift from the dry cooler months of winter. This is a slight uptick from the 37% recorded in July and 41% in June, suggesting a gradual increase in moisture as the region prepares for the warmer months ahead. Notably, this level of humidity is consistent with August's 43%, reflecting a stabilization in atmospheric conditions. As the year progresses towards the summer, humidity is expected to rise further, creating a dynamic interplay between temperature and moisture that defines Derby's climate.
In September, Derby, Australia experiences a UV Index of 14, indicating an extreme level of sun exposure with a burn time of just 10 minutes. This trend of high UV levels continues from the previous months, where the index rarely drops below extreme ratings. In fact, since January, when the UV Index peaked at 16, the numbers have remained consistently high, indicating a strong need for sun protection. As we transition into the warmer months, it's vital to stay vigilant and protect your skin. For more information on the UV Index and to plan your outdoor activities safely, check out the detailed guide on Derby UV Index.
UV Risk Categories
As September unfolds in Derby, Australia, the sun shines brighter than ever, boasting an impressive 314 hours of sunshine—an upward trend that glimmers with the promise of warmer days. Following the gradual ascent from July onward, where hours of sunlight began to outshine the winter months, September marks a notable peak. This trend hints at a vibrant spring, as the countdown to summer accelerates. With each passing hour, the landscape transforms, showcasing the beauty of nature bathed in golden light, inviting both adventure seekers and tranquility lovers alike to bask in the warmth of the season.
September in Derby, Australia, is characterized by a remarkable 85% chance of sunny weather, positioning it as one of the sunniest months of the year. This follows a trend of increasing sunshine as the region transitions from winter into spring, with the likelihood of clear skies climbing significantly from just 66% in July to 86% in August. As the days warm up, the sun shines brightly, offering ample opportunities to enjoy the outdoors. This streak culminates in a strong October as well, although September stands out for its pleasant and sunny disposition, making it an ideal time for outdoor activities and explorations.
In September, Derby, Australia, experiences 11 hours of daylight, echoing the steady pattern established in the preceding months. As the year transitions from winter to spring, the daylight duration remains consistent at this level, a continuation of the previous few months. This constancy hints at the slow but sure approach towards longer days, anticipating an increase in daylight as October brings 12 hours and ushers in the vibrant allure of spring. The rhythmic ebb and flow of daylight hours in Derby beautifully reflect the changing seasons, creating a sense of natural balance as the region prepares for the sunnier days ahead.
In September, the winds in Derby, Australia gently pick up speed, averaging 4.4 m/s (10 mph), mirroring the breezy conditions of the preceding months. As the year transitions towards spring, this slight increase reflects a consistent trend seen from the cooler winter months, where June experienced the highest average wind speed at 4.9 m/s (11 mph). Remarkably, this month retains a balance, with winds becoming a bit more lively compared to the 3.6 m/s (8 mph) of May. The overall pattern shows a gradual escalation in wind speeds as the year progresses, leading up to the more energetic months of December, which averages a peak of 5.4 m/s (12 mph). This rhythmic fluctuation heralds the arrival of warmer, more dynamic weather as Derby's landscapes begin to awaken from winter's grip.
The weather in Derby 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 Derby and find detailed weather information for every month.
The weather in September and January presents a striking contrast in temperature and humidity patterns. September typically enjoys warm days, with average temperatures around 27°C (81°F), reaching highs of 39°C (102°F), and it features dry conditions with no recorded precipitation. In stark comparison, January experiences higher temperatures, with averages of 30°C (86°F) and maximums peaking at 40°C (104°F), but it is significantly wetter, receiving about 227 mm (8.9 in) of rain over 12 days, leading to much higher humidity levels at 81%. For a more detailed look at January weather, you can visit Derby weather in January.
Comparing the weather in September and February reveals distinct differences in temperature and precipitation. September boasts a remarkable warm spell with average temperatures reaching up to 27°C (81°F) and minimal humidity at 43%. It's a dry month with no recorded rainfall. In contrast, February brings higher minimum temperatures averaging 24°C (75°F) and an increase in average temperatures to 30°C (85°F). This month is notably wetter, with substantial rainfall of 187 mm (7.3 in) spread over 11 days, leading to humidity levels soaring to 86%. For more details, you can check Derby weather in February.
When comparing the weather in September and March, notable differences emerge. September boasts a minimum temperature of 14°C and an average of 27°C, with no recorded precipitation and a relatively low humidity of 43%. In contrast, March experiences warmer temperatures, with a minimum of 22°C and an average of 30°C. It also sees significant rainfall, totaling 133 mm over about 8 days, accompanied by much higher humidity at 84%. For a detailed overview of these changes, you can check Derby weather in March.
When comparing the weather in September and April, a few notable differences emerge. September features a comfortable average temperature of 27°C (81°F) with no recorded precipitation and lower humidity at 43%. In contrast, April experiences slightly warmer average temperatures at 30°C (86°F), accompanied by some moisture, as it registers 12 mm of rainfall over three days and a higher humidity level of 74%. Both months can reach a maximum temperature of 39°C (102°F), yet April tends to be slightly more humid and prone to occasional showers. For more details, check out Derby weather in April.
In comparing the weather of September and May, September tends to be hotter with average temperatures reaching around 27°C (81°F) and a maximum of 39°C (102°F), whereas May has slightly cooler averages of 26°C (80°F) with a maximum of 37°C (98°F). September boasts a completely dry climate with no recorded precipitation, while May experiences a modest 24 mm (1.0 in) of rain over just one day, contributing to a higher humidity level of 59% compared to September's 43%. This makes May feel more humid despite the overall milder temperatures. For more details, you can check out Derby weather in May.
When comparing the weather in September and June, September emerges as the warmer month, showcasing a striking range with minimum temperatures of 14°C (58°F) and maximums soaring up to 39°C (102°F). In contrast, June has a slightly cooler average temperature, peaking at a maximum of 34°C (93°F) and a minimum of 13°C (56°F). Notably, both months experience very little precipitation, with September recording no rainfall and June documenting just 1 mm, leading to dry conditions in both instances. Humidity levels are comparable, with September at 43% and June slightly lower at 41%. For a detailed look at the June weather specifics, you can check Derby weather in June.
In comparing the weather between September and July, September tends to be significantly warmer, with average temperatures reaching 27°C (81°F) compared to July's average of 23°C (74°F). The maximum temperature in September can soar up to 39°C (102°F), while July's peak is a more modest 34°C (94°F). Both months experience dry conditions, with 0 mm of precipitation and no rainy days reported. Additionally, September has slightly higher humidity levels at 43%, compared to July's 37%. For a closer look at the weather patterns in July, you can visit Derby weather in July.
In comparing the weather between August and September, September experiences a notably warmer temperature range, with minimums of 14°C (58°F) compared to August's cooler 10°C (51°F), and an average high of 27°C (81°F) versus August's 24°C (76°F). September also reaches a maximum temperature of 39°C (102°F), while August peaks at 37°C (99°F). Both months exhibit no recorded precipitation and maintain consistent humidity levels at 43%. For a more detailed look at August's weather in Derby, you can visit Derby weather in August.
In comparing the weather between September and October, we see a notable increase in temperature and humidity. September features minimum temperatures of 14°C (58°F) and an average of 27°C (81°F), while October introduces a warmer minimum of 19°C (67°F) and averages around 30°C (85°F). The maximum temperatures also rise slightly, reaching up to 41°C (106°F) in October compared to 39°C (102°F) in September. Additionally, October experiences a slight increase in humidity, climbing to 50%, up from 43% in September. Interestingly, both months recorded minimal precipitation, with October noting just 1 mm over zero days, similar to September’s dry conditions. For more detailed insights, refer to Derby weather in October.
Comparing the weather in September and November reveals some notable differences. September typically experiences milder temperatures, with a minimum of 14°C (58°F) and an average of 27°C (81°F), while November sees warmer conditions with a minimum of 22°C (72°F) and an average of 31°C (88°F). Additionally, November has a slightly higher maximum temperature, reaching 41°C (107°F), compared to September's peak of 39°C (102°F). Humidity levels also rise in November, averaging 56% in contrast to September's 43%. Furthermore, November receives some precipitation, totaling 8 mm (0.3 in) over 2 days, while September remains completely dry. For a more detailed look, you can refer to Derby weather in November.
In September, the weather features a warm range with minimum temperatures around 14°C (58°F) and average highs reaching up to 39°C (102°F), accompanied by low humidity at 43%. This month experiences virtually no rainfall, making it a dry time of year. In contrast, December sees a significant rise in temperature, with minimums starting at 23°C (74°F) and maximums soaring to 43°C (109°F). This period is characterized by much higher humidity at 68% and considerable rainfall, totaling 146 mm (5.7 in) over about seven days. For more details on December's weather patterns, you can visit Derby weather in December.
As summer begins to wane, September in Derby offers a delightful shift in weather, characterized by warm temperatures and a notable absence of rain. With an average high around a pleasant 27°C (81°F) and low humidity levels of just 43%, it's a perfect time to enjoy outdoor activities without the oppressive heat typical of summer months. Unlike other times of the year, when rain and cloud cover may be more common, this month shines with clear skies and dry conditions, making it an ideal escape for sun-seekers. For more insights about how September compares with the rest of the year, be sure to check out Derby Climate.