Last updated: February 24, 2025
In September, Hill City, United States, experiences a striking temperature range, with a maximum reaching 34°C (94°F) and dipping to a minimum of -9°C (16°F). The average temperature hovers around a comfortable 14°C (58°F), making it a delightful time for outdoor activities. However, residents should be prepared for some moisture, as the month receives approximately 60 mm (2.4 in) of precipitation over 8 days, contributing to the area's lush landscape. With a humidity level of 76%, the combination of warmth and moisture creates a vibrant and dynamic environment, ideal for enjoying the late summer to early fall transition.
In September, Hill City experiences a remarkable transition as summer fades into fall, showcasing a notable shift in temperatures. With a minimum of -9°C (16°F), the air begins to cool, while the average temperature settles at 14°C (58°F), providing a crisp yet refreshing atmosphere. The maximum temperature can still reach a balmy 34°C (94°F), hinting at the lingering warmth of summer. This month beautifully illustrates the region's dramatic temperature fluctuations, where the early warmth and cooler nights create a perfect backdrop for outdoor activities amid the stunning autumn colors. As the month progresses, the gradual cooling foreshadows the winter months ahead, inviting residents and visitors alike to embrace the changing seasons.
In September, Hill City experiences a notable shift in its weather patterns, with precipitation totaling 60 mm (2.4 in) over 8 days. Though this amount is on par with October’s rainfall, it's a decline compared to the summer months, where July and May peak at 155 mm (6.1 in) and 137 mm (5.4 in), respectively. This seasonal transition marks a gradual decrease in both total rainfall and precipitation days, hinting at the onset of autumn. As the region moves from the lushness of summer to the cooler, drier months, September's consistent rain offers a refreshing balance before the dry spell ahead.
As the summer heat peaks in Hill City, September offers a slight respite with an average humidity of 76%. This marks a decline from the sweltering highs of 85% observed in both July and August, illustrating a seasonal transition that begins to unveil the freshness of autumn. While humidity levels generally fluctuate throughout the year, peaking in the summer months, September's figures signal a return to a more moderate climate, reminiscent of late spring conditions. This gradual decrease paves the way for October's lower average of 71%, inviting residents and visitors alike to enjoy the crisp, invigorating air as summer's grip loosens.
As September rolls into Hill City, the UV Index registers at 8, categorizing it as very high and indicating a burn time of just 15 minutes. This marks a subtle decline from the extreme levels seen during the peak summer months of June and July, where the UV Index soared to 11. While September retains a significant level of sun intensity, marked improvement in outdoor conditions can be enjoyed with slightly reduced risk. Overall, the months preceding it display a steady escalation of UV exposure, peaking mid-summer before tapering off into the comforting crispness of fall. For more insights on navigating UV exposure throughout the year, check out the comprehensive data available at Hill City UV Index.
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In September, Hill City basks in a delightful 291 hours of sunshine, a charming transition from the summer's peak radiance in July and August. As the days grow shorter, this month still offers a generous amount of sunlight, making it a perfect time for outdoor activities amidst the stunning autumn hues. The trend shows a gradual decline in hours from the sun-drenched months of June and July, but September's warmth lingers pleasantly. After this vibrant month, the city braces for the cooler fall, with October bringing 246 hours of sunlight, hinting at the seasonal shift ahead. Overall, September captures the essence of summer's retreat while still inviting adventure and exploration under the sun.
As summer transitions into fall, September in Hill City enjoys a remarkable 66% chance of sunny weather, making it one of the sunniest months of the year. This delightful trend follows the peak sunny months of July (60%) and August (70%), indicating a gentle but noticeable decline as autumn approaches. While September's sunshine is still plentiful, the clouds of October lurk around the corner, with a slightly lower 60% chance of clear skies. This means that September is an ideal time for outdoor activities, allowing residents and visitors to bask in the sun before the cooler, cloudier days of fall truly set in.
As summer fades into autumn, September in Hill City, United States, marks a transitional moment with an average of 12 hours of daylight. This decline from the sun-drenched days of July and August, which each boast 15 hours, signals the approach of the shorter days of fall. The gradual decrease in daylight duration, starting with 14 hours in May and tapering off, showcases nature's rhythm as it shifts from the vibrant energy of summer towards the cozy embrace of autumn's cozy evenings. With mornings still bright and leisure-filled, September offers a beautiful balance, inviting residents and visitors alike to savor the last golden days before the chill of October sets in, when daylight reduces further to 10 hours.
As September rolls into Hill City, the winds pick up slightly, averaging 3.0 m/s (7 mph)—a gentle breeze that offers a refreshing change after the calm afternoon lull of summer. This month marks a subtle transition, as the wind speeds begin to climb from the lower averages seen in the sweltering months of July and August, where they hovered around 2.8 m/s (6 mph) and 2.9 m/s (6 mph), respectively. Following September, wind speeds seem to gain momentum, indicating the onset of fall with an increase to 3.6 m/s (8 mph) in October. Overall, September is a pivotal month that not only ushers in a cooler season but also signals the beginning of a windier period, bridging the stillness of summer with the briskness of autumn.
The weather in Hill City 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 Hill City and find detailed weather information for every month.
September and January present stark contrasts in weather. September boasts an average temperature of 14°C (58°F), with highs reaching up to 34°C (94°F) and lows dipping to -9°C (16°F). Additionally, the month experiences about 60 mm (2.4 in) of precipitation over 8 days, accompanied by relatively high humidity at 76%. In contrast, January is significantly colder, with an average temperature of -4°C (25°F) and maximum temperatures only reaching 14°C (57°F). The minimum temperatures can plummet to -29°C (-19°F), and the month receives much less precipitation, totaling only 19 mm (0.7 in) over 5 days, while humidity remains slightly lower at 73%. For a more detailed look at January weather, check out Hill City weather in January.
September and February present strikingly different weather patterns. In September, temperatures fluctuate from a minimum of -9°C (16°F) to a maximum of 34°C (94°F), with an average temperature of 14°C (58°F). The month sees about 60 mm (2.4 in) of precipitation over 8 days, and the humidity hovers around 76%. In contrast, February experiences much colder temperatures, with a minimum of -32°C (-25°F) and a maximum of only 18°C (64°F), averaging -7°C (20°F). Additionally, February receives less precipitation, totaling 35 mm (1.4 in) over 9 days, while humidity slightly increases to 78%. For more details on February weather, you can check Hill City weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a chilly -9°C (16°F) at night to a warm 34°C (94°F) during the day, with an average of 14°C (58°F). The month typically sees about 60 mm (2.4 in) of rainfall over 8 days, accompanied by a relatively high humidity of 76%. In contrast, March experiences much colder conditions, with average temperatures hovering around 1°C (33°F), ranging from a minimum of -27°C (-17°F) to a maximum of 20°C (69°F). Precipitation is slightly lower at 52 mm (2.0 in) over 9 days, and humidity drops to 64%. For further details, visit Hill City weather in March.
In September, Hill City experiences a more moderate climate with average temperatures around 14°C (58°F) and maximums reaching up to 34°C (94°F). The month sees about 60 mm (2.4 in) of precipitation spread over 8 days, resulting in a relatively humid atmosphere with 76% humidity. Conversely, April brings cooler temperatures, with an average of just 3°C (38°F) and maximums of 24°C (75°F). April is wetter, receiving 91 mm (3.6 in) of precipitation over 14 days, and has lower humidity at 66%. For a more detailed look at the weather during this month, visit Hill City weather in April.
September and May exhibit notable differences in weather patterns. In September, temperatures range from a minimum of -9°C (16°F) to a maximum of 34°C (94°F), with an average of 14°C (58°F). The month experiences an average precipitation of 60 mm (2.4 in) over about 8 days, accompanied by a humidity level of 76%. In contrast, May sees milder temperatures, with a minimum of -7°C (19°F) and a maximum of 29°C (84°F), averaging 9°C (48°F). Precipitation is more substantial in May, totaling 137 mm (5.4 in) over approximately 19 days, while humidity remains relatively comparable at 74%. For a closer look at the nuances of May weather, you can visit Hill City weather in May.
In comparing the weather of September and June, we find notable differences in temperature, precipitation, and humidity. September experiences a wider temperature range, with a minimum of -9°C (16°F) and a maximum of 34°C (94°F), yielding an average of 14°C (58°F). In contrast, June has milder temperatures, with a minimum of 3°C (37°F) and a maximum of 33°C (92°F), averaging at 17°C (62°F). Precipitation levels are also distinct; September sees 60 mm (2.4 in) over 8 days, while June has a significantly higher total of 106 mm (4.2 in) spread over 17 days. Humidity is slightly higher in June at 84% compared to September's 76%. For more details on June's weather specifics, you can check Hill City weather in June.
In comparing the weather of September and July, September generally experiences a wider temperature range, with minimums dipping as low as -9°C (16°F) and maximums reaching up to 34°C (94°F), while July's temperatures are milder, ranging from a minimum of 7°C (45°F) to a maximum of 34°C (93°F). Rainfall is significantly higher in July, with 155 mm (6.1 in) over 19 days of precipitation compared to September's 60 mm (2.4 in) over just 8 days. Additionally, humidity levels are slightly lower in September at 76%, versus July's higher humidity of 85%. For more detailed information on July weather, visit Hill City weather in July.
In comparing the weather of September and August, September tends to be cooler overall, with an average temperature of 14°C (58°F) compared to August's 18°C (65°F). While September experiences a maximum temperature of 34°C (94°F), August nearly reaches that with a max of 33°C (91°F). However, August sees significantly more precipitation, accumulating 101 mm (4.0 in) over 15 days, while September has only 60 mm (2.4 in) over 8 days. Humidity levels are higher in August as well, averaging 85% compared to September's 76%. For a closer look at this month's conditions, you can check Hill City weather in August.
September and October present a notable transition in weather patterns. In September, temperatures range from a minimum of -9°C (16°F) to a maximum of 34°C (94°F), with an average of 14°C (58°F). The month experiences approximately 60 mm (2.4 in) of precipitation over 8 days, accompanied by a humidity level of 76%. In contrast, October sees much cooler temperatures, with a minimum of -22°C (-7°F), an average of 5°C (41°F), and a maximum of 27°C (81°F). Although the precipitation remains similar at 60 mm (2.3 in), it spans over 9 days and the humidity decreases to 71%. For more detailed insights into October conditions, check out Hill City weather in October.
September weather tends to be much milder compared to November, with temperatures ranging from a minimum of -9°C (16°F) to an average of 14°C (58°F) and reaching a maximum of 34°C (94°F). In contrast, November sees significantly colder temperatures, with a minimum of -25°C (-13°F) and an average temperature of just 1°C (34°F), although it can reach a maximum of 23°C (73°F) on warmer days. Precipitation is more prevalent in September, with 60 mm (2.4 inches) over 8 days, while November experiences less with 23 mm (0.9 inches) across 6 days. Humidity levels are slightly lower in November at 73%, compared to September's 76%. For more detailed information, you can check Hill City weather in November.
In comparing the weather conditions of September and December, significant differences emerge. September boasts a broader temperature range with minimums around -9°C (16°F), average temperatures of 14°C (58°F), and maximums reaching an impressive 34°C (94°F). In contrast, December experiences much colder conditions, with temperatures dropping as low as -27°C (-17°F), averaging around -2°C (28°F), and a high of only 19°C (66°F). Additionally, September sees more precipitation at 60 mm (2.4 in) over about 8 days, while December has less at 31 mm (1.2 in) over 7 days, contributing to a slightly lower humidity level of 75%. For more detailed information on December weather, you can check Hill City weather in December.
As September unfolds in Hill City, the transition from the warm summer months begins to herald cooler temperatures, contrasting sharply with the sweltering highs experienced earlier. With the average temperature hovering around a comfortable 14°C (58°F), residents can expect crisp mornings and mild afternoons. The month also brings a notable increase in humidity at 76%, creating a somewhat soggy atmosphere that can lead to a few rainy days—typically 8 days spread out over the month, contributing to the 60 mm of precipitation. This blend of comfortable warmth and occasional rain marks a distinct shift from the blazing summer, paving the way for the approaching fall colors and cooler breezes. For a more detailed look at what to expect throughout the year, visit Hill City Climate.