Last updated: February 24, 2025
September in Indio, United States, presents a striking contrast in temperatures, with a scorching maximum of 45°C (114°F) and a cool minimum of 11°C (51°F), averaging 28°C (83°F). This month typically witnesses limited rainfall, with only 4 mm (0.2 in) of precipitation over just 1 day, resulting in a humidity level around 52%. The dry heat creates a vibrant atmosphere, making it an ideal time for outdoor activities—while remaining mindful of the high temperatures.
In September, Indio experiences a noticeable transition as summer begins to cool down, yet temperatures remain impressively high. The month starts with a minimum temperature of around 11°C (51°F), gradually rising to an average of 28°C (83°F), before peaking at a sizzling 45°C (114°F). This trend reflects the tail end of the scorching summer months, where the remnants of heat linger. Compared to earlier months, September’s temperatures suggest a gradual shift, as the average surprisingly remains lower than the height of summer while still offering an atmosphere ripe for outdoor activities. The vibrant warmth, combined with cooler nights, creates a perfect balance for enjoying everything Indio has to offer during this late summer period.
In September, Indio experiences a slight reprieve from the summer heat with minimal rainfall, recording just 4 mm (0.2 in) of precipitation over a single day. This marks a continuation of a dry trend observed throughout the warmer months, with drops in rainfall persisting from June through August. While January remains the wettest month at 28 mm (1.1 in), September's paltry totals reflect a shift towards dryer conditions as the desert climate settles into its arid fall. Following this brief rainfall, the region typically transitions to cooler temperatures, suggesting that the sporadic precipitation plays a crucial role in moderating the transition into autumn.
In September, Indio, United States, experiences a notable shift in humidity levels, with an average of 52%. This rise comes after a summer marked by relatively low humidity, where August dipped to just 42%. As the region transitions from the arid heat of summer to the more temperate fall, this increase suggests a gradual return to the moisture-rich air typically associated with the earlier months of the year. Notably, September's humidity is higher than the summer lows but remains below the peaks experienced between January and April, hinting at a slow re-absorption of moisture as the seasons change. As autumn approaches, residents can expect this gentle ascent in humidity to provide a refreshing contrast to the sweltering summer days.
In September, Indio experiences an UV Index of 11, placing it firmly in the extreme exposure category, with a burn time of just 10 minutes. This continuation of high UV levels from August indicates that sun safety remains crucial as summer transitions into fall. Notably, the intensity of UV radiation has been consistently high from March through September, peaking in May through July. As temperatures begin to cool in October, the UV index drops to 8, but for now, residents and visitors should remain vigilant in protecting their skin and eyes from intense sunlight. For comprehensive information on UV levels throughout the year, visit Indio UV Index.
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As summer gently transitions into fall, September in Indio, United States, showcases a delightful 324 hours of sunshine. While this marks a dip from the sun-soaked peak of July and August, which enjoyed over 380 hours, it still reflects a robust amount of daylight. Notably, this month stands out for its sustained brightness compared to earlier months like January, which recorded only 196 hours. The trend shows that the tail end of summer continues to bask Indio in warm sunlight, paving the way for the cooler months ahead, yet keeping the spirit of summer alive just a little longer.
September in Indio, United States, boasts a strong likelihood of sunny weather, with an impressive 87% chance of sunshine—tying with August for peak conditions. This trend emerges after the intensity of the summer months, where July dips to 58%, suggesting a gradual return to sunnier skies as fall approaches. Interestingly, September maintains its warmth much like the preceding months, indicating a seamless transition into autumn while retaining the sun-drenched allure that characterizes the region during the late summer. Overall, the month promises plenty of bright days, perfect for outdoor activities and soaking up the last rays of summer.
As September unfolds in Indio, the sun still generously gifts residents with 12 hours of daylight, a slight decrease from the peak summer months. After basking in an impressive 14 hours during June and July, the gradual transition into autumn is evident as daylight begins to wane. This shift is reflective of the broader trend observed throughout the year, where daylight hours surge from 10 hours in the winter months to a climax of 14 hours in mid-summer, before tapering down to 10 hours by November. The diminishing daylight in September signifies the approaching cooler months, inviting a more subdued, cozy atmosphere as days grow shorter yet still delightfully warm.
As September arrives in Indio, the winds begin to settle into a gentle rhythm, averaging 2.0 m/s (5 mph)—a slight dip from the summer months. This month mirrors the winds of July and August, which hover around the same tranquil speed, providing a soothing backdrop to the warm desert days. While spring months showcased a gradual increase in wind intensity, peaking in April and early May, the latter part of the year exhibits a consistent softness, with velocities tapering off to 1.8 m/s (4 mph) by December. The transition from the breezy summer to calmer autumn reflects the changing seasons, inviting residents and visitors alike to enjoy the mildness of the Indio skies as they prepare for the cooler months ahead.
The weather in Indio 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 Indio and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures can soar, with a minimum of 11°C (51°F) and an average high reaching 45°C (114°F), accompanied by low precipitation of just 4 mm over one day. The humidity level is moderate at 52%, making it feel quite warm. In stark contrast, January experiences much cooler conditions, with temperatures ranging from a minimum of -1°C (31°F) to an average high of 26°C (79°F). Precipitation is more frequent during this month, totaling 28 mm over four days, and the humidity rises significantly to 72%. For a detailed look at the weather conditions in January, you can check Indio weather in January.
September and February present stark contrasts in weather patterns. In September, temperatures can soar with a minimum of 11°C (51°F) and an average high of 45°C (114°F), while humidity hovers around 52%. Precipitation is minimal, accumulating only 4 mm over the course of just one day. Conversely, February offers a much cooler climate with temperatures ranging from a low of -1°C (30°F) to an average high of 27°C (82°F). This month also experiences more precipitation, totaling 28 mm over three days, and higher humidity levels at 77%. For a closer look at the specifics of February weather in Indio, you can check this link: Indio weather in February.
September and March showcase distinct contrasts in weather patterns. September typically enjoys warm temperatures, with averages soaring to 28°C (83°F) and maximums reaching as high as 45°C (114°F). In comparison, March presents a cooler climate, with average temperatures around 15°C (60°F) and maximums peaking at 32°C (90°F). Additionally, September experiences minimal precipitation at just 4 mm (0.2 in) over one day, whereas March sees more moisture, totaling 18 mm (0.7 in) across three days. Humidity levels also differ, with March being more humid at 67% compared to September's 52%. For more detailed insights, check out Indio weather in March.
In September, the weather is notably hotter, with average temperatures reaching 28°C (83°F) and a maximum of up to 45°C (114°F), making it feel quite sweltering. In contrast, April offers a more temperate climate, with average temperatures around 20°C (68°F) and a maximum of 36°C (97°F). While both months see infrequent rainfall, September tends to be drier with only 4 mm of precipitation compared to April's 11 mm. Additionally, humidity levels are slightly higher in April at 56%, versus September's 52%. For a closer look at the conditions in April, you can visit Indio weather in April.
In comparing the weather between September and May, September presents a more extreme range of temperatures, with a minimum of 11°C (51°F) and a scorching maximum of 45°C (114°F). In contrast, May enjoys milder temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 39°C (103°F), making it generally more comfortable. While both months experience low levels of precipitation—September with 4 mm (0.2 in) and May with just 2 mm (0.1 in)—May has the advantage of being entirely dry with no recorded rainy days, compared to September's single day of rain. Humidity is slightly higher in September at 52%, compared to May’s 46%, contributing to the more oppressive feel in the later month. For more detailed insights, visit Indio weather in May.
In comparing the weather of September and June, both months exhibit warm conditions, with average temperatures hovering around 28°C (83°F) in September and 29°C (84°F) in June. However, September showcases a slightly broader temperature range, with minimum temperatures dipping to 11°C (51°F) and maximums soaring to 45°C (114°F), while June's minimum and maximum temperatures are marginally higher at 12°C (54°F) and 44°C (112°F), respectively. Precipitation is quite minimal in both months, with September receiving 4 mm over 1 day and June experiencing a dry spell with no recorded precipitation. Additionally, humidity levels are moderately comparable, being 52% in September and 48% in June. For more detailed insights about June weather, you can refer to Indio weather in June.
In comparing the weather of September and July, we see a notable shift in temperatures and humidity levels. September experiences slightly cooler minimum temperatures, averaging 11°C (51°F) compared to July's milder 18°C (64°F). However, September can still reach a maximum of 45°C (114°F), just below July's peak of 44°C (112°F). Precipitation is notably lower in September, with just 4 mm (0.2 in) recorded over one day, while July sees double that amount at 10 mm (0.4 in), although both months have only one rainy day. Additionally, September's humidity is a bit higher at 52%, compared to July's 46%, making September feel a touch more humid despite its lower average temperatures. For more detailed insights on July weather, you can check Indio weather in July.
When comparing the weather in September to August, we see a noticeable shift in temperatures and precipitation patterns. September features a lower minimum temperature of 11°C (51°F) and an average temperature of 28°C (83°F), while August records a higher minimum of 18°C (65°F) and an average of 32°C (89°F). Despite September showcasing a slightly higher maximum temperature of 45°C (114°F) compared to August's 43°C (111°F), it has less overall precipitation, with only 4 mm (0.2 in) over a single day, compared to August’s 7 mm (0.3 in) on the same number of days. Humidity levels are also slightly higher in September at 52%, compared to August's 42%. For more details, you can check Indio weather in August.
In September, the weather is characterized by warm temperatures, with a minimum of 11°C (51°F) and an average high of 28°C (83°F), peaking at a scorching 45°C (114°F). Precipitation is minimal, with just 4 mm (0.2 in) recorded over a single day, and humidity levels sit at 52%.
In contrast, October brings a notable drop in temperatures, with minimums of 5°C (41°F) and an average of 21°C (71°F), reaching a maximum of 39°C (102°F). Though the precipitation slightly increases to 6 mm (0.2 in), it also occurs over just one day. Additionally, humidity rises to 58%, indicating a shift towards a more comfortable atmosphere. For more details, check out Indio weather in October.
September and November exhibit notable contrasts in weather conditions. In September, temperatures soar with a minimum of 11°C (51°F) and an average high of 28°C (83°F), reaching extremes of up to 45°C (114°F). Precipitation is minimal, totaling just 4 mm (0.2 in) over only 1 day, and humidity sits at a moderate 52%. In stark contrast, November experiences much cooler temperatures, with a minimum of 2°C (35°F) and a more comfortable average of 16°C (61°F), peaking at 31°C (88°F). Rainfall increases slightly to 10 mm (0.4 in) over the same 1-day occurrence, while humidity rises to 66%. For more detailed insights on this month's weather, check out Indio weather in November.
In September, the weather is characterized by much warmer temperatures, with averages around 28°C (83°F) and a maximum reaching up to 45°C (114°F), while December brings a cooler climate, averaging only 11°C (52°F) and peaking at 25°C (78°F). The humidity levels also see a significant increase, rising from a moderate 52% in September to a much higher 74% in December. Additionally, precipitation is minimal in September at just 4 mm (0.2 in) over a single day, compared to December's wetter conditions, which experience 27 mm (1.1 in) over three days. To learn more about the specifics of December weather, you can check Indio weather in December.
As September rolls into Indio, the weather begins to shift, offering a unique blend of warmth and cooler evenings that stand in contrast to the scorching summer months. With an average temperature that sits comfortably around 28°C (83°F), residents and visitors alike can enjoy milder days, although temperatures can still soar to a maximum of 45°C (114°F). This month typically sees very little precipitation, with just a mere 4 mm recorded over a single day, ensuring that the dry heat remains a defining characteristic of the season. The humidity hovers at a manageable 52%, providing a slight respite from the intense summer heat. For those looking to explore the nuances of Indio's climate, September offers a delightful transition that is both refreshing and vibrant. Discover more details about the region's weather patterns by visiting Indio Climate.