Last updated: February 24, 2025
In September, Paradise Valley experiences a diverse range of temperatures, with a striking maximum of 45°C (113°F) and an average temperature around 32°C (89°F), providing a warm climate that invites outdoor exploration. At night, the temperature can drop to a minimum of 13°C (56°F), offering a refreshing contrast. Although the month sees only 27 mm (1.1 in) of rainfall over approximately 3 days, the humidity remains relatively high at 64%, adding a touch of moisture to the warm air. This blend of heat and occasional rain creates an ideal backdrop for enjoying the breathtaking landscapes and vibrant outdoor activities that Paradise Valley has to offer.
In September, temperatures in Paradise Valley begin to show a slight decline as summer fades, yet warmth still reigns. The month welcomes an average temperature of 32°C (89°F), with maximums peaking around 45°C (113°F). Mornings present a refreshing contrast with minimums dropping to 13°C (56°F), providing a delightful start before the heat kicks in. This blend of temperatures creates a vibrant tapestry for outdoor activities, as the lingering warmth of summer meets the crisp hints of autumn. As the days grow shorter, the landscape changes, inviting both adventure seekers and those looking to enjoy a more temperate climate to experience the beauty of the valley.
In September, Paradise Valley experiences a transition in precipitation patterns, with a recorded 27 mm (1.1 in) of rain over three days. This marks a decline from the wetter months of July and August, which both enjoyed heavier rainfall — 37 mm (1.4 in) and 39 mm (1.5 in), respectively. The trend in precipitation shows that as summer fades, so does the volume of rain, highlighting a pattern of decreasing rainfall leading into the dryer months of fall and winter. Interestingly, September's rainfall is more substantial than earlier spring numbers, indicating a late-summer resurgence that keeps the valley vibrant before the arid season sets in.
As September arrives in Paradise Valley, the humidity begins to climb again, reaching 64%—a noticeable increase from the drier summer months of June and July, which recorded only 33% and 34%, respectively. This shift signals a return to the wetter conditions typical of the fall season, aligning closely with the 67% humidity expected in October. After the peak dryness in May, where humidity dipped to just 40%, September’s moisture heralds a gradual increase leading into a more humid autumn. This trend of fluctuating humidity is characteristic of Paradise Valley, where the summer heat gives way to a more temperate, yet humid, climate as the year progresses.
In September, Paradise Valley experiences a UV Index of 10, categorizing it as very high and resulting in a burn time of just 15 minutes. This trend highlights a slight decline from the extreme levels seen during the peak summer months of June and July, which recorded indices of 12 and 11, respectively. As the season transitions into fall, the UV exposure remains significant, encouraging residents and visitors to remain vigilant about sun protection to prevent skin damage. The UV Index will continue to taper off into the cooler autumn months, with October showing a decrease to 7. For more detailed information and trends throughout the year, check out the Paradise Valley UV Index.
UV Risk Categories
As September unfolds in Paradise Valley, it brings a delightful embrace of 315 hours of sunshine, continuing the trend of ample sunlight characteristic of the summer months. Following the peak warmth of May and June, which enjoyed over 373 hours, September still offers a generous supply of bright days as summer gracefully transitions into fall. Interestingly, the hours of sunlight gradually decline post-September, with October witnessing a further reduction to 297 hours. This pattern reveals a notable trend of increasing daylight from the chilly grip of January’s mere 195 hours to the sun-drenched days of late summer. With its golden sunlight and comfortable temperatures, September acts as a perfect bridge between the exuberance of summer and the mellow ambiance of autumn in Paradise Valley.
In Paradise Valley, September shines as a favorable month for sunny weather, boasting a 70% chance of sunshine. This places it comfortably above the summer months, where July dips to just 36% sun, while August recovers to 59%. As we transition into autumn, September maintains a robust likelihood of clear skies, aligning closely with the cheerful weather of October at 76%. The upward trend from the rainy early months of the year, like January's 60% and February's 73%, to the vibrant sunny days of May at an impressive 90%, reflects the region's characteristic warm climate. Overall, September in Paradise Valley promises a delightful blend of lingering summer warmth and sunny days, making it an ideal time for outdoor activities.
As September unfolds in Paradise Valley, daylight begins to wane slightly, offering around 12 hours of sunshine—a gentle transition from the sun-drenched days of summer. Following a peak of 14 hours in June and July, daylight gradually diminishes, reflecting the onset of autumn. This month marks a notable shift, as the days begin to draw shorter, paving the way for the crisp evenings that characterize the upcoming season. With 12 hours of light, September retains a warm glow, while hinting at the cooler months ahead, where daylight will continue to recede until winter envelops the valley.
As September graces Paradise Valley, the gentle ebb of summer winds becomes apparent, with average wind speeds dropping to 1.8 m/s (4 mph). This lull in the breeze marks a shift from the steadier currents experienced during the earlier months, where winds peaked in April and June at 2.8 m/s (6 mph). Throughout the year, wind speeds have shown subtle fluctuations, typically ranging from 1.9 m/s (4 mph) to 2.8 m/s (6 mph). The trend reveals a notable decline as summer wanes, with August experiencing 1.9 m/s, paving the way for a tranquil autumn. As September unfolds, the serene atmosphere invites residents and visitors alike to enjoy the beauty of the valley in a calmer, more reflective light.
The weather in Paradise Valley 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 Paradise Valley and find detailed weather information for every month.
In September, temperatures soar with a minimum of 13°C (56°F) and an average high of 32°C (89°F), peaking at a scorching 45°C (113°F). The month sees limited rain, with just 27 mm (1.1 in) of precipitation over three days and a humidity level of 64%. In contrast, January brings much cooler weather, featuring a minimum temperature of -1°C (30°F) and an average of 12°C (54°F), with a maximum of 29°C (84°F). Though precipitation is slightly less at 25 mm (1.0 in) over four days, the humidity increases to 76%. For more detailed information, check out Paradise Valley weather in January.
September and February present a striking contrast in weather patterns. In September, temperatures range from a mild 13°C (56°F) at night to a scorching high of 45°C (113°F) during the day, with an average temperature of 32°C (89°F). The humidity sits at 64%, and the month sees relatively low precipitation, with only 27 mm (1.1 in) over three days.
In contrast, February offers a much cooler climate, with temperatures dipping to a minimum of 1°C (33°F) and reaching a pleasant average of 14°C (57°F), peaking at a maximum of 29°C (84°F). This month receives slightly more rainfall, totaling 37 mm (1.4 in) over the same number of days, and a higher humidity level of 79%. For a more detailed look at February's weather, you can check Paradise Valley weather in February.
In comparing the weather between September and March, September is notably warmer, with average temperatures reaching 32°C (89°F) and maximums soaring up to 45°C (113°F), compared to March's average of 18°C (65°F) and max temperature of 35°C (95°F). Both months experience similar levels of precipitation, around 27-29 mm (1.1-1.2 in) over approximately three days, but the humidity is slightly higher in March at 67%, compared to September's 64%. For those looking to understand more about March weather, you can visit Paradise Valley weather in March.
In comparing the weather patterns of September and April, it becomes clear that September is significantly hotter, with average temperatures reaching 32°C (89°F) and a maximum that can soar to 45°C (113°F). In contrast, April presents a milder climate, where the average temperature is only 24°C (75°F) and the maximum peaks at a comfortable 39°C (103°F). Additionally, September tends to be more humid, with levels at 64%, while April enjoys a lower humidity of 55% and nearly no precipitation; it typically experiences just 1 mm (0.1 in) of rain over the month, compared to September's 27 mm (1.1 in) over three days. For a closer look at April weather, you can check out Paradise Valley weather in April.
In September, the weather features a wider temperature range with a minimum of 13°C (56°F), an average of 32°C (89°F), and a scorching maximum of 45°C (113°F). In contrast, May offers slightly cooler averages, with a minimum of 13°C (55°F), an average of 28°C (82°F), and a maximum of 43°C (109°F). While September experiences some rainfall at 27 mm (1.1 in) over about three days and higher humidity at 64%, May remains notably drier with just 2 mm (0.1 in) of precipitation and zero rainy days, along with lower humidity at 40%. For a more detailed look at May's pleasant weather, visit Paradise Valley weather in May.
In September, the weather features a notable range from a minimum of 13°C (56°F) to a maximum of 45°C (113°F), with an average temperature of 32°C (89°F). The month experiences a moderate amount of precipitation at 27 mm (1.1 in) over three days and maintains a humidity level of 64%. In contrast, June presents warmer conditions, with temperatures starting at a minimum of 19°C (66°F) and reaching up to 48°C (119°F), averaging around 34°C (93°F). Remarkably, June has minimal rainfall, with only 2 mm (0.1 in) and no rainy days, accompanied by a lower humidity of 33%. For further details, visit Paradise Valley weather in June.
When comparing the weather in September and July, July tends to be hotter with average temperatures reaching 35°C (95°F) and maximums soaring to 47°C (118°F). In contrast, September experiences a slightly cooler average temperature of 32°C (89°F), with maximums still high at 45°C (113°F). Additionally, July has a higher minimum temperature of 23°C (74°F), while September starts off at 13°C (56°F). Precipitation levels are also greater in July, with 37 mm (1.4 in) over 6 days, compared to September's 27 mm (1.1 in) over just 3 days. Interestingly, July is significantly less humid at 34% compared to September’s 64%. For more detailed insights, check out Paradise Valley weather in July.
In comparing the weather of September and August, we see a notable drop in temperatures as September experiences minimums of 13°C (56°F) and a maximum of 45°C (113°F), while August is warmer with minimums around 22°C (73°F) and highs reaching 47°C (116°F). The average temperature in September is slightly lower at 32°C (89°F), compared to August’s average of 35°C (95°F). Additionally, September sees less rainfall, with 27 mm (1.1 in) over 3 days, compared to August’s 39 mm (1.5 in) over 5 days. Humidity levels are also higher in September at 64%, compared to 48% in August. For a detailed look at August weather specifics, you can check Paradise Valley weather in August.
In September, temperatures soar with a minimum of 13°C (56°F) and an average high of 32°C (89°F), reaching up to a blistering maximum of 45°C (113°F). The month experiences relatively low precipitation at 27 mm (1.1 in) over three days and has a humidity level of 64%. In contrast, October brings a noticeable drop in temperature, with a minimum of 7°C (45°F) and an average of 24°C (76°F), peaking at 41°C (105°F). Rainfall remains comparable at 26 mm (1.0 in) over just two days, while humidity slightly increases to 67%. For more detailed information, you can check Paradise Valley weather in October.
In September, the weather is characterized by significantly higher temperatures, with minimums around 13°C (56°F) and averages soaring to 32°C (89°F), peaking at a scorching 45°C (113°F). This month experiences some humidity at 64% and receives a total of 27 mm (1.1 in) of precipitation across three days. In contrast, November brings much cooler and more comfortable conditions, with minimum temperatures dropping to 5°C (41°F) and average highs around 18°C (66°F), reaching a maximum of 36°C (97°F). Additionally, November sees lower precipitation levels at 21 mm (0.8 in) over just one day, but the humidity rises to 77%, contributing to a more moist atmosphere. For more detailed information, you can check Paradise Valley weather in November.
September and December present stark contrasts in weather. In September, temperatures soar with a minimum of 13°C (56°F) and can reach up to 45°C (113°F), making it the warmest month. The average temperature hovers around 32°C (89°F), accompanied by comparatively low precipitation of 27 mm (1.1 in) over just three days and a humidity level of 64%. In contrast, December sees a significant drop in temperatures, with a minimum of 0°C (32°F) and a maximum of 28°C (83°F). The average temperature is a cooler 13°C (55°F), and precipitation slightly decreases to 23 mm (0.9 in) over four days, while humidity rises to 82%. For more details on what to expect in December, check out Paradise Valley weather in December.
As summer transitions to autumn, September in Paradise Valley brings a refreshing shift in weather compared to the blistering heat of the previous months. While temperatures remain relatively warm, the average drops significantly, providing a more comfortable outdoor experience. The month sees a slight increase in humidity, often making the evenings more pleasant for outdoor activities. Additionally, with only a few days of precipitation, this time of year offers a perfect opportunity to explore the scenic beauty of the Valley without the extreme heat and drought conditions typical of the summer months. For a deeper dive into what to expect year-round, check out Paradise Valley Climate.