Last updated: February 24, 2025
In September, Palm Springs showcases its signature desert climate with maximum temperatures soaring up to 43°C (110°F), providing plenty of sunshine for outdoor enthusiasts. The average temperature settles at a comfortable 26°C (79°F), while evenings bring a pleasant drop to around 9°C (49°F), perfect for stargazing. Rain is a rare guest this month, with only 5 mm (0.2 in) recorded over the course of just one day. Humidity levels hover around 52%, adding a subtle warmth to the dry desert air, making September an ideal time to bask in Palm Springs' radiant charm.
In Palm Springs, the month of September heralds the transition from sizzling summer to the more temperate fall. With minimum temperatures hovering around a comfortable 9°C (49°F) and an average of 26°C (79°F), the heat begins to recede while still offering plenty of sunshine. The maximum heat can peak at an impressive 43°C (110°F), reminiscent of the summer's intensity, yet the cooler mornings and evenings provide a refreshing balance. As September unfolds, the desert oasis invites visitors to enjoy its warm days and cooler nights, making it ideal for outdoor activities and relaxation before the fall chill sets in.
In September, Palm Springs experiences a notable decline in precipitation, with only 5 mm (0.2 in) of rain recorded over just 1 day. This marks a continuation of the arid trend set by the summer months, where rainfall is scarce, notably dropping to 2 mm in June and 4 mm in May. The dry conditions prepare the region for the drier fall, as the overall precipitation begins to pick up slightly again in October. Typically, September's low rainfall allows for the region’s vibrant desert landscapes to shine, making it a popular time for visitors seeking sunshine and outdoor adventures.
In September, Palm Springs experiences a slight uptick in humidity, reaching 52%, marking a transition from the drier summer months. Following a trend of decreasing moisture levels from May to August, this increase indicates the gradual shift towards the fall season. As temperatures begin to cool, residents might notice a more comfortable atmosphere, contrasting sharply with the 46% humidity observed during the peak summer months. This gentle rise continues into October, setting the stage for a more humid climate as the year winds down, with humidity levels expected to climb to 58%. Such fluctuations not only reflect the desert's unique climate but also enhance the vibrancy of the region as it prepares for the coming season.
In September, Palm Springs continues to bask in sunshine with a UV Index of 11, categorized as extreme, meaning protective measures are essential for outdoor activities. This is consistent with the intense UV levels experienced during the summer months, from May to August, which peak at 12. As the year transitions towards fall, the UV Index shows a slight decrease, yet September still demands vigilance, as the burn time remains a brisk 10 minutes. Such patterns highlight Palm Springs' consistently high UV exposure, emphasizing the need for sun safety across the seasons. For detailed insights on sun exposure throughout the year, check out the Palm Springs UV Index.
UV Risk Categories
As summer transitions to fall, September in Palm Springs bathes in an impressive 324 hours of sunshine, a delightful continuation of the summer warmth. This month, while slightly lower than the peak hours in the sweltering days of July, still boasts a generous amount of radiant days, perfect for outdoor enjoyment. Comparing it to earlier months, September maintains a strong presence, following the sun-soaked highs of May and June, and embodying the desert's unyielding allure. While days grow shorter and temperatures gradually cool, the sunlight still engages locals and visitors alike, promising that even as summer fades, the golden rays continue to illuminate the vibrant Palm Springs landscape.
September in Palm Springs boasts an impressive 87% chance of sunny weather, tying with August for the sunniest month of the year. As summer transitions into fall, the likelihood of clear skies remains high, reflecting a trend of consistent sunshine. The sunniest months generally fall between May to September, showcasing the region's inviting climate. With warm days and minimal rainfall, visitors can expect to soak up the sun and enjoy outdoor activities, making September an ideal time for a getaway in this desert oasis.
As the summer sun begins to wane, September in Palm Springs enjoys approximately 12 hours of daylight, striking a balance between the peak brightness of summer and the encroaching shorter days of autumn. The month follows June and July, which bask in a generous 14 hours of sunlight, and gracefully transitions from the 13 hours of daylight seen in August. This gradual decline marks the shift towards the fall season, where daylight hours start to dip further, eventually settling at 11 hours in October. Overall, September serves as a delightful capstone to the summer months, offering ample sunshine while hinting at the cozy changes that lie ahead.
As summer wanes and fall approaches, September in Palm Springs brings a gentle respite with an average wind speed of 2.2 m/s (5 mph). This slight increase from the previous months reflects a subtle transition in the local climate, beckoning visitors to enjoy the balmy evenings. Throughout the year, wind speeds generally start off low in January and gradually peak in the spring before dipping again during the heat of summer. In September, the breezes offer a refreshing touch amid the warmth, hinting at the cooler months ahead. This pattern not only enhances the allure of outdoor activities but also marks the onset of a more comfortable season, making it an ideal time to explore the unique beauty of Palm Springs.
The weather in Palm Springs 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 Palm Springs and find detailed weather information for every month.
September and January present stark contrasts in weather. In September, temperatures can soar as high as 43°C (110°F), with an average of 26°C (79°F) and minimal precipitation of just 5 mm (0.2 in) over a single day. The humidity is relatively moderate at 52%. In contrast, January brings a cooler climate, with temperatures ranging from a chilly -2°C (29°F) at night to a mild 25°C (77°F) during the day, averaging around 11°C (51°F). This month sees significantly more precipitation, totaling 37 mm (1.5 in) over four days, and higher humidity levels at 72%. For a detailed look at weather patterns, you can check Palm Springs weather in January.
In comparing the weather between September and February, a stark contrast emerges. September boasts warm temperatures with a minimum of 9°C (49°F) and an average high of 26°C (79°F), reaching scorching peaks of 43°C (110°F). The month sees minimal precipitation, with only 5 mm (0.2 in) over just one day, and a manageable humidity level of 52%. In contrast, February experiences much cooler weather, with temperatures ranging from a minimum of -4°C (26°F) to an average of 11°C (52°F) and a maximum of 26°C (79°F). This month is marked by significantly higher precipitation at 41 mm (1.6 in) spread over five days, along with increased humidity at 77%. For more detailed insights on February weather, check out Palm Springs weather in February.
When comparing the weather in September and March, it's clear that the two months offer quite different climates. September boasts warmer temperatures, with a minimum of 9°C (49°F), an average of 26°C (79°F), and a maximum reaching up to a scorching 43°C (110°F). In contrast, March experiences much cooler conditions, starting with a minimum of -1°C (31°F) and averaging just 13°C (56°F) with a maximum of 30°C (87°F). Additionally, September is relatively dry with only 5 mm (0.2 in) of precipitation occurring over just one day, while March is wetter, receiving 26 mm (1.0 in) of rain across five days. The humidity also differs, being lower in September at 52%, compared to a higher level of 67% in March. For more detailed information, you can check out Palm Springs weather in March.
In comparing the weather between September and April, we see notable differences in temperature and humidity. September features a much higher average temperature of 26°C (79°F), with maximums soaring up to 43°C (110°F), while April has a cooler average of 18°C (64°F) and a maximum temperature of 34°C (94°F). Additionally, September is drier, with only 5 mm (0.2 in) of precipitation over just one day, compared to April's 15 mm (0.6 in) over two days. Humidity levels are fairly similar, with September at 52% and April slightly higher at 56%. For more detailed insights, check out Palm Springs weather in April.
When comparing the weather in September to that in May, we notice distinct differences in temperature and humidity. September boasts a higher average temperature of 26°C (79°F) and can reach scorching highs of 43°C (110°F), while May's average is cooler at 20°C (69°F), with a maximum of 39°C (102°F). Precipitation remains minimal in both months, with September seeing 5 mm (0.2 in) over one day, compared to May's 4 mm (0.2 in) spread over zero days. Additionally, September’s humidity is slightly higher at 52%, while May enjoys a comfortable 46%. For more detailed information on weather conditions in May, visit Palm Springs weather in May.
In comparing the weather of September and June, both months experience similar average temperatures, hovering around 26°C (79°F) to 26°C (80°F), with maximum extremes reaching up to 43°C (110°F) and 43°C (109°F), respectively. September tends to be slightly cooler at night, with a minimum temperature of 9°C (49°F) compared to June's 10°C (50°F). Rainfall is minimal in both months, with September seeing 5 mm (0.2 in) of precipitation on just one day, while June boasts even less at 2 mm (0.1 in) with no recorded rainy days. Humidity is slightly higher in September at 52%, compared to June's 48%. For more detailed insights, you can check Palm Springs weather in June.
In comparing the weather between September and July, September generally presents a more moderate climate, with average temperatures of 26°C (79°F) compared to July's hotter average of 30°C (86°F). The minimum temperature in September drops to 9°C (49°F), offering a cooler start to the day, whereas July's minimum is warmer at 15°C (59°F). Both months experience relatively low precipitation, but September has slightly less rain at 5 mm (0.2 in) over just one day, while July records 11 mm (0.4 in) over two days. Humidity levels are a bit higher in September at 52%, compared to July's 46%, making September feel a bit more comfortable despite the higher potential maximum temperature of 43°C (110°F) compared to July's maximum of 42°C (107°F). For more detailed information, check Palm Springs weather in July.
In comparing the weather of September and August, September offers a broader temperature range, with a minimum of 9°C (49°F) and a maximum soaring to 43°C (110°F), whereas August has a higher minimum temperature of 16°C (62°F) and averages 29°C (85°F). While both months experience minimal rainfall, September sees slightly less precipitation at 5 mm (0.2 in) over just 1 day, compared to August's 8 mm (0.3 in) across 2 days. Notably, September has a higher humidity level at 52%, compared to August's 42%. For more details, you can check Palm Springs weather in August.
September and October present contrasting weather patterns. In September, temperatures soar, with an average of 26°C (79°F) and maximums reaching up to 43°C (110°F), while the month enjoys minimal rainfall, averaging just 5 mm over only one day. On the other hand, October brings a noticeable dip in temperature, with an average of 20°C (68°F) and daily highs peaking at 37°C (99°F). Additionally, October experiences slightly more precipitation at 8 mm across two days and an increase in humidity to 58%. For a detailed look at what to expect, check out Palm Springs weather in October.
September and November present a notable contrast in weather patterns. In September, temperatures range from a minimum of 9°C (49°F) to a scorching maximum of 43°C (110°F), with an average of 26°C (79°F). The month is characterized by low precipitation, recording only 5 mm (0.2 inches) over a single day and a moderate humidity level of 52%. In contrast, November sees much cooler conditions, with temperatures varying from 0°C (33°F) to a maximum of 29°C (85°F) and an average of 15°C (59°F). This month experiences higher precipitation at 16 mm (0.6 inches) over two days, alongside increased humidity at 66%. For more detailed insights, check out Palm Springs weather in November.
September and December showcase a dramatic shift in weather conditions. In September, temperatures can soar from a pleasant 26°C (79°F) to a sweltering 43°C (110°F), while humidity remains relatively low at 52%. Precipitation is scarce, with only 5 mm recorded over just one day. In contrast, December brings cooler temperatures, ranging from a chilly -1°C (30°F) at night to a mild 24°C (76°F) during the day, and a much wettest environment with 37 mm of rain over four days. Humidity also rises significantly to 74%. For a closer look at Palm Springs weather in December, visit Palm Springs weather in December.
September in Palm Springs marks a transition into milder conditions, distinguishing itself from the sweltering summer months. As temperatures begin to cool down slightly, the average warmth is a welcome relief for many, while the extremely high highs that define July and August become less frequent. With only a hint of precipitation and minimal humidity, the dry desert air still prevails, making it an ideal time for outdoor activities. While some may experience the last remnants of summer heat, September offers a beautiful balance of warm days and cooler nights, making it a perfect month for visitors and locals alike to enjoy the desert's charm. For a detailed look at the weather patterns throughout the year, explore Palm Springs Climate.