Last updated: February 24, 2025
In September, Idyllwild-Pine Cove experiences an array of temperatures, with a maximum soaring up to a sizzling 42°C (108°F) and an average of a comfortable 23°C (74°F). The nights bring a refreshing minimum of 7°C (44°F), ensuring a pleasant climate for outdoor activities. Despite the heat, the area sees minimal precipitation, totaling only 7 mm (0.3 in) over the course of two days. With a humidity level hovering around 52%, residents and visitors alike can enjoy the tranquil beauty of the region while staying relatively comfortable in the early autumn heat.
In September, Idyllwild-Pine Cove experiences a delightful transition as summer gives way to autumn. The minimum temperature settles at a mild 7°C (44°F), while the average rises to a comfortably warm 23°C (74°F), reflecting the lingering warmth of the fading summer. As the month progresses, you can expect the maximum temperature to soar to a peak of 42°C (108°F), showcasing the last bursts of heat that characterize late summer. The overall trend in September marks a gradual cooling from the intense heat of August, while still offering ample warmth during the day—making it an ideal time for outdoor adventures in this picturesque region.
In Idyllwild-Pine Cove, September marks the tail end of the dry summer season, bringing a modest precipitation total of 7 mm (0.3 in) over just two days. This is a notable decrease compared to the wetter months earlier in the year, with January and February often seeing substantial rainfall. The trend of diminishing precipitation as summer progresses is evident, as September typically experiences the least rainfall since June. This dry spell continues a gradual decline in moisture that starts post-spring, emphasizing a seasonal rhythm that balances out with the anticipated rains of late fall and winter. The landscape, having enjoyed lush greenery through the summer, now prepares for the quieter tones of autumn, hinting at the upcoming shifts in weather patterns.
As summer transitions into autumn in Idyllwild-Pine Cove, September brings a slight uptick in humidity levels, averaging 52%. After the low point during the warmest months—July and August, which see humidity plummet to 46%—September marks a shift towards a more humid climate. This moderate increase not only contrasts with the dryer summer months but also signals the upcoming rainy season, as humidity steadily rises again in October to 58% and continues to climb through the fall. Overall, the trend showcases a cyclical pattern where summer's dry heat gives way to the refreshing, crisp air of autumn.
In September, the UV Index in Idyllwild-Pine Cove remains notably high at 10, indicating a very high risk of harm from unprotected sun exposure. As summer transitions into fall, this slight decrease from August's extreme levels doesn't provide much relief, with the burn time still clocking in at a brisk 15 minutes. This trend reflects a summer of intense UV exposure, peaking in May through August with values consistently at 11 or 12. As the season shifts, while the UV Index dips slightly, vigilance is still essential for sun safety. For more information on how to protect yourself during this period, visit Idyllwild-Pine Cove UV Index.
UV Risk Categories
As the summer winds down, September in Idyllwild-Pine Cove offers a delightful transition from the peak warmth of July and August. With 322 hours of sunshine, the month maintains a generous glow, although it marks a noticeable decline from the previous two months. This trend hints at the beginning of fall, as daylight gradually diminishes towards October’s 301 hours. Notably, the gradual increase in sunshine from January’s 194 hours to June’s 377 hours highlights the region's vibrant summer days, creating a picturesque backdrop for outdoor enthusiasts. As the crisp air of autumn sets in, September still invites long hikes and serene moments under the clear skies, serving as a perfect bridge to the cozy beauty of the coming months.
As summer fades and autumn approaches, September in Idyllwild-Pine Cove boasts an impressive 85% chance of sunny weather, making it one of the sunniest months of the year. This increase in sunshine follows a trend that begins in late summer, with August already enjoying 83% sunshine and hinting at the delightful transition into fall. Throughout the year, the likelihood of sunny days ebbs and flows; however, September stands out not only for its high probability of clear skies but also as a perfect time to enjoy the cooler air and stunning autumn colors that begin to emerge. Overall, the month is a bright spot in the weather calendar, ideal for outdoor adventures and soaking in nature’s beauty.
As September arrives in Idyllwild-Pine Cove, daylight begins to gradually wane, offering approximately 12 hours of sunlight each day. This marks a subtle decline from the peak of 14 hours experienced in the summer months of June and July. The transition into autumn sees daylight tapering off, a natural rhythm as the region prepares for the shorter days of fall and winter. Comparing the month of September to its predecessors reveals a gentle shift, highlighting the changing seasons and inviting residents and visitors alike to savor the crisp air and vibrant foliage that accompany this time of year. As October looms on the horizon, the daylight will continue to decrease, reminding us of nature's cyclical beauty.
As September unfolds in Idyllwild-Pine Cove, the average wind speed settles at 1.9 m/s (4 mph), mirroring the calmness felt during the height of summer. This slight dip continues from the peak summer months, where the winds reached a modest 2.0 m/s in both July and August. Notably, the transition into fall sees the winds becoming gradually gentler, hinting at a seasonal shift. The trend suggests a degree of stability throughout the year, with winter months hovering around 1.8 to 2.0 m/s, which encourages a sense of tranquility in this picturesque setting. As autumn approaches, the soft breezes in September offer a serene backdrop perfect for exploring the stunning landscapes and vibrant fall foliage.
The weather in Idyllwild-Pine Cove 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 Idyllwild-Pine Cove and find detailed weather information for every month.
In September, the weather in Idyllwild-Pine Cove is notably warmer, with average temperatures hovering around 23°C (74°F) and maximums reaching up to 42°C (108°F). The humidity is relatively mild at 52%, and the precipitation is sparse, totaling only 7 mm over two days. In stark contrast, January brings cooler conditions, with average temperatures dropping to 9°C (49°F) and minimums falling to -6°C (22°F). The winter month sees a significant increase in precipitation, accumulating 64 mm over six days, coupled with higher humidity levels at 72%. For more detailed information, check out Idyllwild-Pine Cove weather in January.
September and February offer strikingly contrasting weather conditions. In September, temperatures range from a cool 7°C (44°F) at night to a scorching 42°C (108°F) during the day, with an average of 23°C (74°F). The month boasts relatively low humidity at 52% and minimal precipitation, totaling just 7 mm (0.3 in) over 2 days. In stark contrast, February experiences much colder temperatures, with nighttime lows plummeting to -10°C (14°F) and daytime highs reaching 26°C (78°F), averaging around 9°C (49°F). This month is characterized by significantly higher humidity at 77% and more substantial rainfall, with a total of 70 mm (2.8 in) over 7 days. For more details on February weather, you can visit Idyllwild-Pine Cove weather in February.
September and March exhibit starkly contrasting weather patterns. In September, temperatures range from a cool 7°C (44°F) to a scorching maximum of 42°C (108°F), with an average temperature of 23°C (74°F). The month is relatively dry, experiencing only 7 mm (0.3 in) of precipitation over just 2 days, alongside a moderate humidity level of 52%. In contrast, March presents a much cooler climate, with temperatures falling between -3°C (27°F) and a pleasant max of 29°C (85°F), averaging around 11°C (52°F). It is significantly wetter, receiving 57 mm (2.3 in) of rain spread over 10 days, coupled with higher humidity at 67%. For more details on March weather, check out Idyllwild-Pine Cove weather in March.
In comparing the weather of September and April, September tends to be much warmer, with average temperatures reaching 23°C (74°F) and maximums soaring up to 42°C (108°F). In contrast, April's temperatures are more moderate, with an average of 15°C (59°F) and maximums capping at 32°C (90°F). Precipitation is also a factor, as September receives only 7 mm (0.3 in) over approximately two days, while April sees more rainfall at 25 mm (1.0 in) across three days. Humidity levels are fairly similar, with April slightly higher at 56% compared to September's 52%. For more specific insights, you can check the detailed statistics here: Idyllwild-Pine Cove weather in April.
When comparing the weather in September and May, notable differences emerge. September boasts a warmer average temperature of 23°C (74°F) with maximums reaching up to 42°C (108°F), making it significantly hotter than May, which has an average of 17°C (63°F) and a maximum of 36°C (97°F). Additionally, September experiences less precipitation, with only 7 mm (0.3 in) over 2 days, while May sees a bit more moisture at 13 mm (0.5 in) over 3 days. Humidity levels are slightly higher in September at 52%, compared to 46% in May. For more detailed information, check out Idyllwild-Pine Cove weather in May.
When comparing the weather in September and June, both months exhibit similar average temperatures, around 23°C (74°F), but there are notable differences in extremes and precipitation. September experiences a broader temperature range, with a minimum of 7°C (44°F) and a maximum hitting 42°C (108°F), whereas June has slightly milder extremes, with temperatures ranging from 8°C (46°F) to a maximum of 39°C (103°F). Additionally, September sees more rainy days, averaging 7 mm (0.3 in) of precipitation over two days, compared to June's drier conditions with only 3 mm (0.1 in) and no recorded rain days. Humidity levels are relatively comparable, with September at 52% and June slightly lower at 48%. For a detailed overview of June weather, you can visit Idyllwild-Pine Cove weather in June.
In comparing the weather of September and July, it is evident that September experiences a wider range of temperatures, with a minimum of 7°C (44°F) and a maximum reaching up to 42°C (108°F). In contrast, July's temperatures range from a minimum of 11°C (52°F) to a maximum of 40°C (104°F). September also sees significantly less precipitation, averaging only 7 mm (0.3 in) over 2 days, compared to July, which has 19 mm (0.7 in) of rain spread over 4 days. Additionally, September has a slightly higher humidity level at 52%, while July maintains a lower humidity of 46%. For more detailed weather insights, you can check Idyllwild-Pine Cove weather in July.
In comparing the weather of September and August, September tends to be slightly cooler, with minimum temperatures dropping to 7°C (44°F) compared to August's minimum of 13°C (56°F). While September has a higher maximum temperature of 42°C (108°F), the average temperature is lower at 23°C (74°F) compared to August's average of 26°C (79°F). Precipitation in September is minimal at 7 mm (0.3 in) over just 2 days, while August experiences slightly more rain at 11 mm (0.4 in) across 3 days. Notably, September also boasts a higher humidity level of 52%, compared to August's 42%. For more detailed information, check out Idyllwild-Pine Cove weather in August.
In September, the weather is generally warmer, boasting an average temperature of 23°C (74°F) and maximum highs reaching up to 42°C (108°F). The month experiences relatively low precipitation, with only 7 mm (0.3 in) over about 2 days and an average humidity of 52%. In contrast, October brings a noticeable drop in temperatures, with an average of 18°C (64°F) and a maximum of 36°C (98°F). Precipitation slightly increases to 14 mm (0.6 in) over 3 days, alongside a rise in humidity to 58%. For more details on the specific conditions in October, you can visit Idyllwild-Pine Cove weather in October.
September weather is characterized by higher temperatures, with averages reaching 23°C (74°F) and maximums soaring up to 42°C (108°F). The month experiences minimal precipitation, averaging only 7 mm (0.3 in) over just 2 days, and maintains a lower humidity of 52%. In contrast, November sees a significant drop in temperatures, with averages at 14°C (57°F) and max temperatures capping at 29°C (85°F). This month also has increased precipitation, totaling 25 mm (1.0 in) over the same number of days, and a rise in humidity to 66%. For more information, visit Idyllwild-Pine Cove weather in November.
In September, temperatures in Idyllwild-Pine Cove can reach a scorching high of 42°C (108°F), with an average of 23°C (74°F) and minimal precipitation of 7 mm (0.3 in) over just 2 days. The humidity level is relatively moderate at 52%, creating a warm and dry atmosphere. In contrast, December brings a much cooler climate, with temperatures ranging from a chilly -5°C (23°F) to a comfortable maximum of 25°C (77°F) and an average of 9°C (49°F). This month sees significantly more rain, totaling 58 mm (2.3 in) and occurring over 5 days, alongside higher humidity levels at 74%. For more detailed weather information, you can refer to Idyllwild-Pine Cove weather in December.
As September arrives in Idyllwild-Pine Cove, the weather begins to transition, offering a delightful blend of warm days and cooler nights. Unlike the peak summer months, this period typically features a welcoming average temperature that balances comfortably between heat and chill. With low precipitation and only a couple of rainy days, September provides a perfect backdrop for outdoor activities, while the moderate humidity adds a touch of freshness to the air. This month serves as a gentle reminder of the approaching fall, making it a unique time to experience the natural beauty of the area. For a deeper dive into the seasonal shifts, explore the Idyllwild-Pine Cove Climate page.