Last updated: February 24, 2025
In September, Temecula experiences a remarkable range of temperatures, with peaks soaring up to 43°C (109°F) and a comfortable average of 24°C (75°F). The month begins with refreshing mornings cooling down to a minimum of 12°C (53°F). Rainfall is minimal, with only 4 mm (0.2 in) of precipitation recorded over a mere single day, contributing to a 52% humidity level that keeps the air slightly humid yet pleasant. Overall, September in Temecula offers a delightful warm climate perfect for outdoor adventures.
September in Temecula transitions into autumn while still holding onto the warmth of summer. With minimum temperatures averaging around 12°C (53°F) and average highs reaching up to 43°C (109°F), the month showcases a remarkable range in temperatures. The average of 24°C (75°F) invites outdoor activities and vineyards' vibrant harvests, making it a delightful time for both residents and visitors. As the peak summer heat begins to wane, the contrast between the lingering warmth and the gentle coolness of the evenings signals a transition that enhances the local charm. Whether exploring the local wineries or enjoying a sunset stroll, September is a captivating blend of warmth and the promise of cooler days ahead.
In September, Temecula experiences a significant drop in precipitation with only 4 mm (0.2 in) of rain recorded over just one day. This marks a continuation of the region's dry spell that begins in the summer, following minimal rainfall in August and June, where only traces of precipitation were noted. As summer transitions to fall, the amount of rainfall starts to slowly climb, but for September, the dwindling precipitation underscores the typical dry climate. This pattern sets the stage for the upcoming months, where October and November see a slight increase, hinting at the return of more substantial rain as the year draws to a close. Overall, September serves as a clear indicator of Temecula's shift from the lush, wetter winter months to its characteristic dry season.
As summer transitions to fall in Temecula, United States, September brings a noticeable shift in humidity, settling at 52%. This marks an increase from the drier months of June, July, and August, when humidity levels dipped to a low of 42%. The early months of the year, particularly January and February, showcase higher humidity levels, peaking at 77% in February. However, as the year progresses, a general decreasing trend emerges, culminating in the late summer months. The uptick in September suggests a slight return of moisture as temperatures cool down, hinting at an environment preparing for the wetter months ahead. This fluctuation not only influences the climate but also enhances the region's natural beauty as it transitions toward a more lush autumn landscape.
As summer fades and September rolls in Temecula, residents experience a UV Index of 10, categorizing the exposure level as very high. This marks a slight decrease from the extreme conditions of July and August, yet sun safety remains paramount as the burn time stays notably short at just 15 minutes. Throughout the year, there's a clear upward trend in UV intensity starting from the moderate levels in January, peaking during the summer months before gradually tapering off in October. September serves as a critical transition point, reminding everyone to stay vigilant about sun protection. For more detailed insights, visit Temecula UV Index.
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As summer winds down, September in Temecula greets residents with a delightful 320 hours of sunshine, marking a gentle transition from the peak brightness of July and August. This month, while slightly cooler than its summer predecessors, still boasts significant daylight, continuing to reflect the sunny patterns of late spring and early summer. With hours of sunlight gradually decreasing from summer's vibrant heights, September highlights the gradual shift towards fall, yet keeps the warmth and outdoor vibrancy alive for both locals and visitors alike. As the days shorten, one can still savor the lingering warmth of the season, making it a perfect time for outdoor activities amidst the stunning vineyards and landscapes of Temecula.
In Temecula, United States, September marks the peak of sunny weather, boasting a 72% chance of sunshine. This trend towards brighter days follows the warm summer months, where August reaches 70% sunlight, setting a positive trajectory as autumn approaches. Notably, September outshines the earlier months, with only April and May trailing at lower percentages. As the region transitions into fall, residents and visitors can expect a delightful climate perfect for outdoor activities and events, reinforcing Temecula’s reputation for pleasant weather.
In September, Temecula enjoys a daylight duration of approximately 12 hours, marking a subtle shift as summer approaches its end. This month signifies a transition, as daylight begins to wane from the longer stretches experienced in June and July, which boast 14 hours of sunlight. With September's hours slightly decreasing from August's 13 hours, residents and visitors can still relish in ample daylight for outdoor activities and gatherings. Looking ahead, October's daylight will dip further to 11 hours, hinting at the impending cooler months. This gradual decline in daylight is typical as the region moves towards a more autumnal rhythm, creating a beautiful balance of light and shadow in Temecula’s vineyards and hillsides.
As summer transitions into fall, September winds in Temecula exhibit a gentle sigh, averaging 1.9 m/s (4 mph). This marks a slight decline from the consistent breezes of the warmer months, which hover around 2.4 m/s (5 mph) from April through June. The cooling winds hint at nature's shift, preparing for the cooler days ahead. Notably, September’s breeziness aligns with a trend seen in earlier months where the wind tends to soften post-summer, with only October and November keeping things steady before winter’s arrival. Overall, the September air feels refreshing, presenting a subtle reminder that change is in the air as the vibrant colors of fall begin to emerge.
The weather in Temecula 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 Temecula and find detailed weather information for every month.
September weather is characterized by warm temperatures with a minimum of 12°C (53°F) and an average of 24°C (75°F), peaking at a high of 43°C (109°F). With low precipitation at just 4 mm (0.2 in) over 1 day, and 52% humidity, it offers a generally dry and hot end to summer.
In contrast, January brings much cooler conditions, where temperatures drop to a minimum of 2°C (36°F) and an average of 13°C (55°F), with a maximum of 30°C (86°F). Rain is more common in January, with 66 mm (2.6 in) of precipitation across 5 days, and the humidity rises to 72%, creating a noticeably more damp and chilly atmosphere. For more detailed information, visit Temecula weather in January.
September and February present a striking contrast in weather. September features much warmer temperatures, with averages reaching up to 24°C (75°F) and highs soaring to 43°C (109°F), while humidity hovers around a comfortable 52%. In stark comparison, February experiences cooler conditions, with average temperatures around 13°C (55°F), minimal highs of 28°C (83°F), and lows dropping to 1°C (35°F). Additionally, February sees significantly more precipitation, totaling 64 mm (2.5 in) over approximately 6 days, compared to September's mere 4 mm (0.2 in) on just 1 day. For more detailed information, check out Temecula weather in February.
September and March present contrasting weather patterns, reflecting the transition between summer and spring. In September, temperatures range from a minimum of 12°C (53°F) to a sweltering maximum of 43°C (109°F), with an average of 24°C (75°F) and very little precipitation, only 4 mm over a single day. The humidity is relatively low at 52%. In stark contrast, March sees cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 29°C (84°F), averaging at 14°C (57°F). This month experiences significantly more rainfall, totaling 67 mm and occurring over 10 days, alongside higher humidity levels of 67%. The shift from the hot, dry conditions of September to the milder, wetter weather of March is quite pronounced. For more details, check out Temecula weather in March.
September and April present contrasting weather patterns in terms of temperature, precipitation, and humidity. September boasts a wider temperature range, with minimums of 12°C (53°F) and maximums soaring up to 43°C (109°F), averaging around 24°C (75°F). This month is characterized by minimal rainfall, with only 4 mm (0.2 in) over just 1 day and a humidity level of 52%. In contrast, April tends to be cooler, featuring minimum temperatures of 7°C (45°F) and an average of 17°C (62°F), while maximum temperatures peak at 34°C (94°F). This month is also wetter, receiving 31 mm (1.2 in) of precipitation over 3 days, and experiences slightly higher humidity at 56%. For more detailed insights, you can check Temecula weather in April.
In September, the weather tends to be significantly warmer with average temperatures around 24°C (75°F) and a maximum of 43°C (109°F), making it a hotter month compared to May. In contrast, May sees cooler temperatures, with an average of 18°C (64°F) and a maximum of 33°C (91°F). Additionally, September experiences very little precipitation, receiving only 4 mm (0.2 in) in just 1 day, while May is wetter with 19 mm (0.8 in) of rainfall spread over 5 days. Humidity levels are similar in both months, with September at 52% and May at 46%. For those interested in more details, you can check Temecula weather in May.
In September, temperatures can soar with a minimum of 12°C (53°F) and an average of 24°C (75°F), peaking at a sizzling 43°C (109°F). In contrast, June experiences a cooler range, with temperatures starting at 12°C (53°F), averaging 21°C (70°F), and reaching a maximum of 36°C (98°F). Both months share low precipitation levels, with September receiving only 4 mm (0.2 in) over one day and June slightly less at 3 mm (0.1 in) with no recorded rainy days. Humidity in September is a bit higher at 52%, compared to June's 48%. For more details on June's weather, visit Temecula weather in June.
In comparison to July, September presents a slightly cooler climate with an average temperature of 24°C (75°F) compared to 25°C (77°F) in July. Both months experience similar maximum temperatures, peaking at 43°C (109°F), but September sees a lower minimum temperature of 12°C (53°F) against July's 14°C (58°F). Humidity levels are also slightly higher in September at 52% versus 46% in July, contributing to a different feeling in the air. Precipitation is minimal in both months, with July having no rainy days while September records just one day of light rain. For more specifics on July's weather, visit Temecula weather in July.
In comparing the weather of September to August, September presents a slightly cooler and drier climate. The average temperature in September is 24°C (75°F), which is just a degree lower than August's average of 25°C (77°F). However, September boasts a higher maximum temperature, reaching peaks of 43°C (109°F), compared to August's maximum of 37°C (99°F). In terms of precipitation, both months are similarly dry, with September recording 4 mm (0.2 in) over 1 day, slightly more than August's 3 mm (0.1 in) on the same number of days. Additionally, humidity levels are higher in September at 52%, compared to 42% in August, making September feel a bit more muggy despite its higher maximum temperatures. For more details, check out Temecula weather in August.
In comparing the weather of September and October, we see a notable decrease in temperature and an uptick in humidity. September boasts higher temperatures, with a minimum of 12°C (53°F) and an average of 24°C (75°F), peaking at a scorching 43°C (109°F). In contrast, October experiences cooler temperatures, starting with a minimum of 8°C (47°F) and averaging 20°C (69°F), with a maximum of 38°C (100°F). Precipitation also rises in October, with 11 mm (0.4 in) over 2 days, compared to just 4 mm (0.2 in) on a single day in September. The humidity also slightly increases in October to 58%. For more details on October weather in Temecula, you can check Temecula weather in October.
September weather is characterized by warmer temperatures, with a minimum of 12°C (53°F) and an average of 24°C (75°F), peaking at a scorching 43°C (109°F). Precipitation is minimal, only about 4 mm (0.2 in) over just 1 day, alongside a moderate humidity level of 52%. In contrast, November experiences a significant drop in temperatures, featuring a minimum of 5°C (41°F) and an average of 17°C (62°F), with a maximum reaching 33°C (92°F). The month also brings increased rainfall, totaling around 28 mm (1.1 in) across 2 days, and higher humidity at 66%. For more detailed insights, check out Temecula weather in November.
In September, the weather is characterized by much warmer temperatures, with averages around 24°C (75°F) and highs reaching up to 43°C (109°F). The month is relatively dry, experiencing only 4 mm of precipitation over a single day, accompanied by a humidity level of 52%. In contrast, December brings cooler temperatures, with averages dropping to 13°C (55°F) and maximums capping at 28°C (82°F). This month is significantly wetter, with precipitation totaling 66 mm across five days, and humidity increasing to a more humid 74%. For more details, you can check the local specifics for Temecula weather in December.
As September arrives in Temecula, the weather starts transitioning into a milder rhythm compared to the sweltering heat of summer months. With temperatures averaging around 24°C (75°F), it provides a comfortable reprieve from the maximum highs that can soar up to 43°C (109°F). Rainfall makes a brief appearance, with only a couple of millimeters recorded over a single day, adding a hint of freshness to the air. Humidity remains relatively moderate at 52%, contributing to a pleasant atmosphere. This makes September an ideal time to enjoy outdoor activities in Temecula, as the weather becomes more inviting. For a detailed look into the region's climate patterns throughout the year, visit Temecula Climate.