September Weather in Coachella, United States

Last updated: February 24, 2025

In September, Coachella experiences a striking climate characterized by warm temperatures and low precipitation. Daily highs can reach up to 45°C (114°F), complemented by an average of 28°C (83°F), providing a warm backdrop for outdoor activities. The nights cool down to a refreshing 11°C (51°F), offering a pleasant respite from the daytime heat. With only 4 mm (0.2 in) of rain and just one day of precipitation throughout the month, the usually 52% humidity level contributes to the dry atmosphere, making September a prime time to explore this vibrant desert oasis.

September Temperature in Coachella

In September, Coachella begins to transition from the intense summer heat, yet temperatures remain impressively warm. With average highs reaching 45°C (114°F), the desert sun still holds its sway, though evenings cool down to a comfortable 11°C (51°F). This month marks a subtle shift; while the scorching temperatures linger, the drop in minimum values indicates an approaching change toward the milder autumn months. Overall, September presents an inviting blend of summer's warmth and the hint of fall, making it a unique time to experience the vibrant oasis of Coachella.

September Weather in Coachella: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Coachella, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535559687384898982716152
Data source: Temperature data for Coachella generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Coachella

In September, Coachella experiences a notable decline in precipitation, with only 4 mm (0.2 in) recorded over a single day. This minor amount contributes to the overall trend of diminishing rainfall as summer transitions into fall. Comparatively, July and August bring slightly higher precipitation, showcasing the region's dry spell, with July at 10 mm (0.4 in) and August at 7 mm (0.3 in). As the year progresses, precipitation levels commonly peak in the winter months, underscoring Coachella's characteristic arid climate. This pattern of sporadic rainfall encapsulates the desert's seasonal rhythms, where brief showers are embraced during the more parched months.

September Precipitation Trends in Coachella

The chart displays monthly precipitation patterns in Coachella, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec2828191121107561027
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Coachella

As summer fades into fall, September in Coachella brings a subtle rise in humidity, reaching 52%. This marks a contrast to the drier months of the peak summer, where humidity levels dipped to their lowest at 42% in August. The transition into September signals a gradual increase from the previous months, with humidity numbers inching up toward October’s expected 58%. This upward trend hints at a shift in the climate as autumn approaches, offering a refreshing end to the scorching desert heat, while remaining significantly lower than the more humid winter months that follow, like January and February, which see levels exceeding 70%.

September Average Humidity in Coachella

This chart illustrates the average monthly humidity levels in Coachella, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Coachella

In September, Coachella continues to experience the intense sun typical of summer, with a UV Index of 11, categorizing it as extreme and resulting in a quick burn time of just 10 minutes. This month marks a slight decline from the peak UV levels of 12 in the preceding summer months, but it remains crucial to practice sun safety. As the year progresses into the autumn months, you'll notice a downward trend, with the UV Index dropping to 8 in October. However, for those spending time outdoors in September, vigilance against sun exposure is still essential. For more detailed insights and planning, check out Coachella UV Index.

Maximum UV Index Levels in Coachella for September

The chart shows the monthly maximum UV Index (UVI) for Coachella in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121111854
Data source: Coachella September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Coachella

As summer fades into early autumn, September in Coachella continues to bask in abundance, boasting an impressive 324 hours of sunshine. This marks a gentle decline from the sunniest months of June through August, where residents and visitors enjoyed upwards of 375 hours. The warm golden rays linger a bit longer before giving way to the cooler temperatures of October, which averages 303 hours of sunlight. September’s sun, while somewhat reduced, remains a vibrant backdrop to outdoor adventures and desert explorations, making it a delightful transitional month filled with the promise of autumn's charm without the full chill. The rhythm of sunlight in Coachella reveals a serenade to the changing seasons, reminding us that each month casts its own unique glow.

Monthly Sunshine Duration in Coachella: September Highlighted

The September sunshine duration represents the total number of hours Coachella experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec196h252h304h331h375h377h381h362h324h303h262h233h
Data source: Coachella September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Coachella During September

September in Coachella boasts a promising 87% chance of sunny weather, aligning with the region's trend of high sun exposure as summer transitions into fall. This month mirrors the sun-soaked days of August, which also enjoys an 87% likelihood of sunshine, reflecting a consistent pattern in weather as the dry heat persists. As the days grow shorter and temperatures begin to cool, the likelihood of clear skies remains high, offering perfect conditions for outdoor activities and events. Overall, September stands out as a prime time to bask in the golden rays typical of this desert oasis.

Percentage of Sunny Days in September in Coachella

The chart illustrates the percentage of sunny days in Coachella throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Coachella experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec65%72%78%75%89%72%58%87%87%77%77%55%
Data source: Coachella September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Coachella in September

As summer transitions into fall, September in Coachella offers a delightful 12 hours of daylight, marking a gradual decrease from the sun-drenched peak of 14 hours in June and July. This month serves as a bridge, where the vibrant energy of late summer begins to ebb, yet still provides ample opportunity for outdoor activities and relaxation. Following September, the daylight continues to diminish, dropping to 11 hours in October and 10 hours in November. It’s clear that as the year progresses, Coachella experiences a rhythmic pattern of light, perfectly complementing the changing seasons and inviting residents and visitors alike to savor the remaining warmth of the sun.

Average Daylight Hours in Coachella for September

The chart illustrates the variation in daylight duration in Coachella throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 58m11h 59m13h 2m13h 55m14h 20m14h 6m13h 19m12h 19m11h 17m10h 23m9h 56m
Data source: Coachella daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Coachella

As September breezes into Coachella, the average wind speed settles at a gentle 2.0 m/s (5 mph), reflecting a gradual decline from the summer months. This slight dip follows a peak in April and May, where winds reached up to 2.7 m/s (6 mph), suggesting that the intense heat of summer has finally started to ease. The trend of decreasing wind speeds continues into the fall, with October and November both forecasting similar conditions around 1.9 m/s (4 mph). Overall, September serves as a transitional month, where the winds whisper of change, hinting at the cool embrace of autumn that lies just ahead.

Average September Wind Speed in Coachella

The chart displays monthly wind speed patterns in Coachella, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.82.12.52.72.72.42.12.22.0 m/s1.91.81.8
Data source: Coachella September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Coachella Compares to Other Months

The weather in Coachella 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 Coachella and find detailed weather information for every month.

In comparing the weather between September and January, a striking contrast emerges. September boasts much warmer temperatures, with a minimum of 11°C (51°F) and an average high of 28°C (83°F), reaching up to a scorching 45°C (114°F) on particularly hot days. In stark contrast, January sees much cooler conditions, where temperatures can drop as low as -1°C (31°F), with an average of 12°C (53°F) and a maximum of 26°C (79°F). Additionally, January experiences significantly higher precipitation at 28 mm (1.1 in) over four days, while September enjoys very little rain, recording just 4 mm (0.2 in) on only one day. The humidity also reflects this difference, standing at 52% in September compared to a more humid 72% in January. For more details on the weather specifics in January, you can check out Coachella weather in January.

September and February present stark contrasts in weather, highlighting the transition between summer's heat and winter's chill. In September, temperatures soar with an average high of 28°C (83°F) and can peak at a sweltering 45°C (114°F), while precipitation is minimal at just 4 mm (0.2 in) over a single day, accompanied by a moderate humidity of 52%. In contrast, February experiences a much cooler climate, with temperatures ranging from a low of -1°C (30°F) to a mild high of 27°C (82°F). Rainfall is more frequent in February, totaling 28 mm (1.1 in) across three days, and the humidity is significantly higher at 77%. These differences illustrate the distinct characteristics of each month, making for a varied experience in Coachella. For more details on the February weather, you can visit Coachella weather in February.

September and March present stark contrasts in weather conditions. September boasts much warmer temperatures, with average highs reaching up to 28°C (83°F) and occasional peaks of 45°C (114°F). In contrast, March experiences cooler averages around 15°C (60°F), with highs only reaching 32°C (90°F). Additionally, September is relatively dry with only 4 mm (0.2 in) of precipitation over a single day, while March sees more rain, with 18 mm (0.7 in) over three days and higher humidity levels at 67%. For more specific insights into March weather, you can refer to Coachella weather in March.

September boasts significantly warmer temperatures, with an average of 28°C (83°F) and highs reaching up to 45°C (114°F), while April is cooler, averaging 20°C (68°F) and maxing out at 36°C (97°F). Although both months experience minimal precipitation, September sees only 4 mm (0.2 in) compared to April's 11 mm (0.4 in). Humidity levels are relatively close, with September at 52% and April at 56%. For more details on April conditions, check out Coachella weather in April.

September and May display distinct weather patterns, reflecting the transition from summer to fall. In September, temperatures range from a cooler minimum of 11°C (51°F) to a scorching maximum of 45°C (114°F), with an average of 28°C (83°F). The month sees minimal precipitation, averaging just 4 mm (0.2 in) over one day, and a humidity level around 52%. In contrast, May offers milder conditions, with temperatures fluctuating between a minimum of 7°C (45°F) and a maximum of 39°C (103°F), averaging 23°C (73°F). With only 2 mm (0.1 in) of precipitation occurring on no days, humidity is slightly lower at 46%. For more details about the weather in Coachella during May, you can visit Coachella weather in May.

In comparing the weather between September and June, both months experience warm conditions, but they have some notable differences. September has a slightly wider temperature range, with a minimum of 11°C (51°F) and a maximum of 45°C (114°F), while June shows a slightly higher minimum of 12°C (54°F) and a maximum of 44°C (112°F). The average temperatures remain similar, with September averaging 28°C (83°F) and June at 29°C (84°F). Precipitation is minimal in both months, but September sees a little more with 4 mm (0.2 in) of rain on one day, compared to June's 1 mm (0.0 in) and no rainy days at all. Humidity levels are also fairly comparable, with September at 52% and June slightly lower at 48%. For a more detailed overview, check out Coachella weather in June.

In September, the weather shows a broader temperature range with a minimum of 11°C (51°F) and a maximum of 45°C (114°F), while the average temperature is 28°C (83°F). Precipitation is light, with only 4 mm (0.2 in) falling over a single day, and the humidity sits at a moderate 52%. In contrast, July presents warmer conditions overall, with a higher minimum temperature of 18°C (64°F) and an average of 32°C (89°F). It also experiences slightly more precipitation, totaling 10 mm (0.4 in) on one day, and lower humidity at 46%. For a detailed look at July weather, you can explore Coachella weather in July.

When comparing the weather in September to August, September features slightly cooler average temperatures, with a minimum of 11°C (51°F) and an average of 28°C (83°F), compared to August's minimum of 18°C (65°F) and average of 32°C (89°F). Despite September having a maximum temperature of 45°C (114°F), it is more consistent, while August peaks at 43°C (111°F). Precipitation also decreases in September, with only 4 mm (0.2 in) over 1 day, compared to August, which sees 7 mm (0.3 in) also across 1 day. Additionally, September shows a higher humidity level at 52%, compared to August’s 42%. For more details on the heat and conditions, check out Coachella weather in August.

September and October present contrasting weather patterns. In September, temperatures range from a minimum of 11°C (51°F) to a scorching maximum of 45°C (114°F), with an average temperature of 28°C (83°F). This month experiences minimal precipitation at just 4 mm (0.2 in) and low humidity of 52%. In contrast, October sees cooler temperatures, with a minimum of 5°C (41°F), an average of 21°C (71°F), and a maximum of 39°C (102°F). Precipitation slightly increases to 6 mm (0.2 in), accompanied by higher humidity levels of 58%. For those interested in specific weather details, you can explore Coachella weather in October.

In September, Coachella experiences significantly warmer weather, with average temperatures soaring to 28°C (83°F) and maximums reaching up to 45°C (114°F). The month is relatively dry, with only 4 mm (0.2 in) of precipitation over just a single day, and humidity levels are moderate at 52%. In contrast, November brings a notable shift, as temperatures drop, with an average of 16°C (61°F) and maximums peaking at 31°C (88°F). This month also sees an increase in precipitation, totaling 10 mm (0.4 in), though it still only rains for one day. Humidity rises to 66%, contributing to a cooler and more comfortable atmosphere. For more detailed insights on the November climate, check out Coachella weather in November.

In September, the weather is characterized by significantly warmer temperatures, with averages reaching up to 28°C (83°F) and maximums soaring to 45°C (114°F). The month is relatively dry, with only 4 mm (0.2 in) of precipitation over just one day, and the humidity is at a moderate 52%. Conversely, December brings a dramatic shift, with much cooler temperatures—averaging around 11°C (52°F) and peaking at 25°C (78°F). This month sees increased precipitation of 27 mm (1.1 in) spread over three days, along with higher humidity levels of 74%. For more information on what to expect, check out Coachella weather in December.

Compare Coachella's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Coachella

As summer fades, September in Coachella brings a welcome transition in weather. Though the days can still reach sweltering heights, the average temperature becomes more bearable compared to the peak summer months. Nighttime temperatures drop significantly, offering a cool reprieve after the scorching heat of the day. With minimal precipitation and only a single day of rain, humidity remains moderate, creating ideal conditions for those looking to enjoy outdoor activities. For a deeper dive into how September compares to other months, check out our full analysis at Coachella Climate.