Last updated: February 24, 2025
September in Jacumba Hot Springs, United States, offers a remarkable climate characterized by a maximum temperature reaching 42°C (108°F), while the average temperature hovers around a comfortable 24°C (75°F). As the month progresses, temperatures can dip to a refreshing 8°C (46°F) at night. This period sees an average precipitation of 13 mm (0.5 in), typically spread over just three days, resulting in a blend of dry and humid conditions, with humidity levels averaging 52%. Whether you're planning outdoor adventures or seeking relaxation by the hot springs, September's weather presents an inviting atmosphere for all visitors.
In September, Jacumba Hot Springs experiences a notable transition in temperatures as summer begins to wane. The minimum temperature rises to a mild 8°C (46°F), while the average climbs to a comfortable 24°C (75°F). However, the highlight is the maximum temperature, soaring to a staggering 42°C (108°F), reminiscent of the peak summer heat. This month showcases a blend of warmth during the day, ideal for outdoor activities, while the cooler evenings invite relaxation. As the region shifts closer to autumn, the temperatures hint at a gradual cool-down, setting a perfect backdrop for visitors to enjoy the unique thermal springs amid the stunning California desert landscape.
September in Jacumba Hot Springs is characterized by a modest precipitation total of 13 mm (0.5 in), consistent with the dry trends observed throughout the summer months. Rainfall occurs across three days, marking a slight increase compared to the preceding months of June and May, which recorded minimal precipitation. This subtle uptick signals the transitional nature of the season as Jacumba prepares for the cooler fall. Following the pattern set earlier in the year, September's rainfall remains below the annual peak, usually seen in winter, highlighting the region's overall arid climate, where dry days far outnumber wet ones.
In September, Jacumba Hot Springs experiences a shift in humidity, with levels averaging 52%. This marks a slight increase from the drier months of July and August, which saw humidity dip to their lowest at 46% and 42% respectively. As the summer heat begins to wane, the rise in humidity indicates a transition toward the milder fall season. Overall, the trend reveals a gradual increase in humidity through the latter part of the year, from a low of 46% in mid-summer to 58% in October, suggesting that while September may still retain some warmth, the air is starting to feel a bit more comfortable and refreshing.
As September unfolds in Jacumba Hot Springs, residents and visitors alike can expect a UV Index of 11, placing it firmly in the extreme exposure category. This trend mirrors the intense summer months that preceded it, where the UV Index peaked at a steady 12 from May through August. With burn times remaining critically short at just 10 minutes, it’s essential to stay vigilant about sun protection practices. Fortunately, as the month wraps up, the index begins to taper, signaling a gradual transition towards cooler, more moderate conditions in the following months. For those planning their outdoor activities, understanding these trends is key to ensuring safe sun exposure. For more detailed insights, visit Jacumba Hot Springs UV Index.
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As summer winds down in Jacumba Hot Springs, September enjoys a delightful transition marked by 323 hours of sunshine. This month's sun exposure is slightly less than the summer peak in July and August, yet it remains robust, allowing residents and visitors to bask in the warmth. The gradual decline in sunlight hours leading into fall reflects a consistent pattern throughout the year, with a notable increase in sunny days from January's mere 197 hours to the peak summer highs. The rich tapestry of sunlight throughout the year sets the stage for vibrant autumn days, making September a perfect time to savor the lingering warmth before cooler temperatures take hold. Whether soaking in the therapeutic springs or exploring the stunning desert landscape, September offers a splendid balance of sunshine and seasonal change.
In September, the likelihood of sunny weather in Jacumba Hot Springs remains high, with a robust 82% chance of sunshine. This follows the trend of late summer, where August also boasts the same sunny probability, reflecting a consistent warmth that lingers into the early fall. As temperatures gradually cool down from summer highs, September offers not only a favorable blend of sun-soaked days but also the charm of transitioning seasons. This trend is further complemented by the generally optimistic outlook for the rest of the fall, where October maintains a healthy 72% chance of sunshine, ensuring that outdoor activities can still bask in pleasant weather.
As summer gives way to autumn in Jacumba Hot Springs, September marks a gentle transition in daylight hours. With approximately 12 hours of sunlight, the days begin to shorten, reflecting a gradual decline from the peak of 14 hours in July and June. This slight decrease continues the trend seen from August's 13 hours, hinting at the approaching cooler months. September's daylight offers a balanced sweetness, allowing residents and visitors alike to enjoy daylight adventures while embracing the onset of fall's crispness. As the year progresses, the ebbing daylight serves as a reminder of the seasonal shifts that influence life in this vibrant desert oasis.
As September arrives in Jacumba Hot Springs, the winds begin to whisper a gentle transition toward fall. Average wind speeds hover around 2.3 m/s (5 mph), making this month one of the calmer periods of the year. Notably, winds have steadily lessened from the breezier months of late winter and early spring, where speeds reached up to 3.6 m/s (8 mph) in March. As the summer heat wanes, September's mild breezes provide a refreshing contrast to the sweltering days of July and August, which both recorded even lighter winds of 2.1 m/s (5 mph) and 2.2 m/s (5 mph). Overall, the gentle September winds create a serene atmosphere, inviting visitors to relish the subtle shifts and enjoy the natural beauty of Jacumba Hot Springs.
The weather in Jacumba Hot 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 Jacumba Hot Springs and find detailed weather information for every month.
In September, the weather showcases a warm spectrum, with temperatures ranging from a minimum of 8°C (46°F) to a scorching maximum of 42°C (108°F) and an average of 24°C (75°F). The month experiences relatively low precipitation at 13 mm (0.5 in) over about three days, with humidity levels around 52%. In contrast, January brings a stark change, with minimum temperatures dropping to -4°C (25°F) and an average of 10°C (51°F), while the maximum reaches a mild 24°C (76°F). This month sees increased precipitation of 36 mm (1.4 in) over five days and higher humidity at 72%. For more details on January weather, check out Jacumba Hot Springs weather in January.
When comparing the weather of September and February, notable contrasts emerge. September experiences much warmer temperatures, with average highs soaring to 24°C (75°F) and a maximum of 42°C (108°F), while February sees milder conditions, with averages around 10°C (51°F) and highs reaching 25°C (78°F). Precipitation also differs significantly; September has a minimal rainfall of just 13 mm (0.5 in) over 3 days, whereas February accumulates 43 mm (1.7 in) over 5 days, indicating a wetter season. Additionally, February's humidity level is notably higher at 77%, compared to September's more comfortable 52%. For more specific details about February weather, you can visit Jacumba Hot Springs weather in February.
September and March present contrasting weather patterns. September boasts warmer temperatures, with averages around 24°C (75°F) and a maximum reaching up to 42°C (108°F), while March features a much cooler average of 12°C (53°F) and a maximum of 29°C (85°F). Precipitation is notably lower in September, accumulating just 13 mm (0.5 in) over about 3 days, compared to March's rainier conditions, which see 37 mm (1.5 in) over approximately 6 days. Additionally, humidity levels are higher in March at 67%, compared to September's 52%. For more detailed insights into March conditions, you can visit Jacumba Hot Springs weather in March.
September and April present contrasting weather patterns in terms of temperature and humidity. In September, the temperatures can reach a scorching maximum of 42°C (108°F), with an average of 24°C (75°F), while April offers a much cooler average of 16°C (60°F) and a maximum of 33°C (92°F). Precipitation levels are similar in both months, with September receiving 13 mm over 3 days and April slightly lower at 12 mm over just 2 days. Humidity in April is a bit higher at 56%, compared to September's 52%, adding to the springtime feel of the month. For more specific details on April weather in Jacumba Hot Springs, you can check this link: Jacumba Hot Springs weather in April.
In September, the weather generally warms up with average temperatures around 24°C (75°F) and highs reaching up to 42°C (108°F), showcasing a significant increase in heat compared to May, where the average temperature is a cooler 18°C (64°F) with a maximum of 35°C (96°F). Both months experience similar precipitation levels of 13 mm (0.5 in), with September having slightly more rainy days at three compared to May's two. Humidity is also relatively low in both months, with September at 52% and May at 46%, making the climate in September feel quite hot despite slightly higher humidity. For more detailed information on the weather in May, you can check out Jacumba Hot Springs weather in May.
In September, the weather in Jacumba Hot Springs tends to feature slightly warmer average temperatures, reaching up to 24°C (75°F) with maximum highs of 42°C (108°F). It experiences a bit more precipitation, averaging 13 mm (0.5 in) over about three days, and maintains a humidity level of 52%. In contrast, June offers a similar climate with slightly cooler averages, peaking at 23°C (74°F) and maximum temperatures around 40°C (103°F). Notably, June is drier, with only about 2 mm (0.1 in) of rain across zero days, and a slightly lower humidity at 48%. For detailed weather insights, visit Jacumba Hot Springs weather in June.
In comparing the weather of September to that of July, September experiences a wider temperature range, with a minimum of 8°C (46°F) and a maximum of 42°C (108°F), while July's temperatures range from 11°C (52°F) to a maximum of 39°C (102°F). The average temperature is slightly cooler in September at 24°C (75°F) compared to July's average of 26°C (80°F). Precipitation is less frequent in September, with only 13 mm (0.5 in) over 3 days, compared to July's 22 mm (0.9 in) over 5 days. Additionally, September has a slightly higher humidity level at 52%, compared to July’s 46%. For more detailed insights, you can check Jacumba Hot Springs weather in July.
In September, the weather experiences a notable shift compared to August, with lower minimum temperatures of 8°C (46°F) and an average of 24°C (75°F), compared to August's milder minimum of 16°C (60°F) and average of 27°C (80°F). Although September has a slight decrease in maximum temperatures, peaking at 42°C (108°F), it still offers hotter days than August, which maxes out at 39°C (103°F). Precipitation also declines in September, with only 13 mm (0.5 in) over 3 days, in contrast to August's 18 mm (0.7 in) over 5 days. Additionally, September's humidity level of 52% is higher than August's 42%, contributing to a more muggy experience. For more detailed weather insights, check Jacumba Hot Springs weather in August.
In September, the weather tends to be warmer with temperatures ranging from a minimum of 8°C (46°F) to a scorching maximum of 42°C (108°F) and an average of 24°C (75°F). The month experiences some humidity at 52% and receives about 13 mm (0.5 in) of precipitation over three days. In contrast, October sees a drop in temperatures, with minimums around 4°C (39°F) and an average of 19°C (66°F), peaking at 36°C (97°F). Precipitation is lower in October at 10 mm (0.4 in), occurring only once during the month, while humidity rises slightly to 58%. For more detailed information about conditions in October, check out Jacumba Hot Springs weather in October.
In September, the weather is characterized by warmer temperatures, with minimums around 8°C (46°F) and average highs reaching up to 42°C (108°F), making it quite hot overall. The month sees relatively low precipitation at 13 mm (0.5 in) over three days, along with a moderate humidity level of 52%. In contrast, November brings a noticeable drop in temperatures, with minimums at 2°C (35°F) and average highs of 30°C (87°F). The slight increase in precipitation to 18 mm (0.7 in) over just two days accompanies higher humidity levels of 66%. For more insights into November's climate, you can visit Jacumba Hot Springs weather in November.
In September, the weather at Jacumba Hot Springs is characterized by warm temperatures, with a minimum of 8°C (46°F) and an average of 24°C (75°F), reaching highs of up to 42°C (108°F). The month is relatively dry, receiving only 13 mm (0.5 in) of precipitation over 3 days, coupled with a comfortable humidity level of 52%. Conversely, December brings a significant drop in temperatures, with a minimum of -1°C (30°F) and an average of 10°C (51°F), while the maximum temperature reaches a milder 25°C (77°F). This month sees increased rainfall, with 37 mm (1.5 in) over 5 days and higher humidity at 74%. For more detailed weather information in December, you can visit Jacumba Hot Springs weather in December.
As summer transitions into fall, September in Jacumba Hot Springs showcases a unique blend of warmth and mildness. With temperatures peaking at a cozy average, the heat is tempered by lower humidity and minimal rainfall, resulting in only a few precipitation days. This combination invites outdoor exploration while still retaining the refreshing coolness of the mornings and evenings. Unlike the sweltering peak months of summer, September provides a more inviting atmosphere, perfect for those looking to experience the natural beauty of the region. For a deeper understanding of what to expect throughout the year, visit Jacumba Hot Springs Climate.