September Weather in Hot Springs, United States

Last updated: February 24, 2025

In September, Hot Springs, United States, experiences a striking contrast in temperatures, with maximums reaching up to 38°C (101°F) and minimums plunging to -3°C (28°F). The average temperature settles at a comfortable 16°C (62°F), making it a pleasant time for outdoor activities. Visitors should prepare for some moisture, as the area receives approximately 40 mm (1.6 in) of precipitation over six rainy days. The humidity levels hover around 76%, adding a touch of warmth to the air. This combination of warmth and occasional rain creates a unique climate, perfect for enjoying the natural hot springs and lush surroundings.

September Temperature in Hot Springs

In September, Hot Springs, United States, experiences a transition into autumn, marked by a significant shift in temperatures. With a minimum of -3°C (28°F) and an impressive maximum reaching up to 38°C (101°F), the average temperature hovers around a comfortable 16°C (62°F). This month stands out as the last glimpse of summer's warmth, showcasing a warm finish to the season before the cooler months set in. Compared to the intense highs seen in July and August, September’s temperatures begin to cool, indicating a gentle shift towards crisp autumn days. This fluctuation not only enhances the scenic beauty of the region but also invites outdoor enthusiasts to enjoy the vibrant landscapes as they change color with the season.

September Weather in Hot Springs: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hot Springs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272235425266726962443630
Data source: Temperature data for Hot Springs generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Hot Springs

In Hot Springs, United States, September marks a transition towards the drier fall season, receiving an average of 40 mm (1.6 in) of precipitation over 6 days. This notably lower rainfall compared to the summer months indicates the tail end of the wetter season, where May's peak of 91 mm (3.6 in) gradually gives way to less humid days. As the year progresses, September's precipitation recedes further from August's 46 mm (1.8 in), suggesting the climate is shifting toward cooler and more stable weather patterns. With fewer rainy days than the preceding months, it’s a time when residents can expect increasingly pleasant outdoor conditions as summer fades.

September Precipitation Trends in Hot Springs

The chart displays monthly precipitation patterns in Hot Springs, 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.
JanFebMarAprMayJunJulAugSepOctNovDec142946719169774640472224
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hot Springs

In September, Hot Springs experiences a noticeable drop in humidity, with levels averaging around 76%. This marks a shift from the sweltering heights of 85% seen in the peak summer months of July and August. The transition into fall shows a gradual easing of moisture in the air, making for a more comfortable climate compared to the preceding summer. While humidity remains relatively high compared to the winter months—where averages fall to the low 70% range—September's conditions signal the beginning of a refreshing change, inviting both locals and visitors to relish the natural beauty of the area without the oppressive stickiness of summer's peak.

September Average Humidity in Hot Springs

This chart illustrates the average monthly humidity levels in Hot Springs, 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.
JanFebMarAprMayJunJulAugSepOctNovDec73%78%64%66%74%84%85%85%76%71%73%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hot Springs

As September arrives in Hot Springs, United States, the UV Index begins to decline from the extreme highs of summer, yet it remains significant at 8, categorized as very high. This means that while the risk of harm from unprotected sun exposure decreases from the grueling 11 seen in June and July, caution is still warranted, as individuals can burn in as little as 15 minutes. This trend indicates a gradual shift toward milder conditions, but sun protection remains essential as the warm days linger. For those planning outdoor activities, it’s crucial to stay informed and proactive about sun safety. For more insights, visit Hot Springs UV Index.

Maximum UV Index Levels in Hot Springs for September

The chart shows the monthly maximum UV Index (UVI) for Hot Springs 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.
JanFebMarAprMayJunJulAugSepOctNovDec356991111108632
Data source: Hot Springs 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 Hot Springs

As September beckons in Hot Springs, the summer’s vibrant glow begins to soften, yet it still shines with an impressive 290 hours of sunlight. This is a notable decline from the sun-drenched heights of July and June, which boast 384 and 374 hours, respectively. However, compared to the earlier months, September continues to bask in warmer rays, maintaining a robust count that is significantly higher than the chillier months of November and December. As autumn approaches, the days grow shorter, but the warmth of late summer still lingers, inviting residents and visitors alike to savor the last rays of sunshine before the cool embrace of fall settles in.

Monthly Sunshine Duration in Hot Springs: September Highlighted

The September sunshine duration represents the total number of hours Hot Springs 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.
JanFebMarAprMayJunJulAugSepOctNovDec171h217h267h287h305h374h384h355h290h252h230h211h
Data source: Hot Springs September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hot Springs During September

In Hot Springs, United States, September enjoys a notable likelihood of sunny weather, with a 67% chance of clear skies. This marks a slight decline from the peak sunny days experienced in August (73%), yet it remains one of the more favorable months for sunshine. As summer gives way to autumn, the trend of increasing sun exposure continues until October, which features a 61% chance of sunny weather. Overall, September’s weather patterns demonstrate a transition into fall while still reaping the benefits of warm, sunny days, making it an ideal time for outdoor adventures.

Percentage of Sunny Days in September in Hot Springs

The chart illustrates the percentage of sunny days in Hot Springs 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 Hot Springs experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%44%57%49%43%65%65%73%67%61%53%48%
Data source: Hot Springs September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hot Springs in September

As summer transitions into autumn in Hot Springs, the month of September brings a gentle decline in daylight hours. At this time of year, residents and visitors enjoy around 12 hours of daylight, a gradual tapering from the sun-drenched 15 hours in June. This shift is reflective of the changing seasons, where the vibrant energy of summer begins to mellow, allowing for a more serene, golden atmosphere. October is on the horizon, promising even shorter days, as daylight dwindles to 10 hours. These patterns paint a beautiful portrait of nature's rhythm, inviting a time for reflection and appreciation of the crisp, clear days of early fall in this picturesque region.

Average Daylight Hours in Hot Springs for September

The chart illustrates the variation in daylight duration in Hot Springs throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 30m11h 58m13h 27m14h 42m15h 20m14h 59m13h 52m12h 26m10h 57m9h 39m8h 59m
Data source: Hot Springs daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hot Springs

As September arrives in Hot Springs, the gentle embrace of the fall transition is felt in the cooling breeze, with an average wind speed of 2.8 m/s (6 mph), marking it as one of the calmest months of the year. This tranquil airflow follows a slight decline from the summer months, where winds hovered around 3.0 to 3.1 m/s. Interestingly, the trend shows that while January through August experienced more consistent wind speeds, September’s softer breezes hint at the changing seasons, paving the way for a gradual increase again in October as winds pick up to 3.4 m/s (8 mph). Overall, the September winds in Hot Springs provide a refreshing yet mellow prelude to the briskness of autumn ahead.

Average September Wind Speed in Hot Springs

The chart displays monthly wind speed patterns in Hot Springs, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.03.53.43.32.93.03.12.8 m/s3.43.53.8
Data source: Hot Springs September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hot Springs Compares to Other Months

The weather in 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 Hot Springs and find detailed weather information for every month.

In September, weather conditions are considerably milder, with temperatures ranging from a low of -3°C (28°F) to a high of 38°C (101°F) and an average of 16°C (62°F). This month experiences relatively more precipitation, totaling 40 mm (1.6 in) over about 6 days, coupled with a humidity level of 76%. In stark contrast, January brings frigid temperatures, with a minimum of -26°C (-14°F) and a maximum of just 13°C (56°F), averaging -3°C (27°F). Precipitation is less frequent, with only 14 mm (0.6 in) falling over approximately 4 days, and humidity dropping slightly to 73%. For a closer look at the weather patterns, you can visit Hot Springs weather in January.

When comparing the weather in September and February, distinct contrasts emerge in temperature and conditions. September typically experiences a broad temperature range, with lows around -3°C (28°F) and highs soaring up to 38°C (101°F), offering an average of 16°C (62°F). This month brings an average precipitation of 40 mm (1.6 in) over about six days, coupled with a humidity level of 76%. In stark contrast, February is marked by much colder temperatures, with minimums plummeting to -31°C (-23°F) and a maximum of 19°C (67°F), leading to an average of -6°C (22°F). Precipitation is lower in February, totaling 29 mm (1.1 in) over seven days, and humidity is slightly higher at 78%. For more detailed information, you can visit Hot Springs weather in February.

When comparing the weather in September and March, we see significant variations in temperature and humidity. September enjoys a broader temperature range, with a minimum of -3°C (28°F) and an average of 16°C (62°F), peaking at a warm 38°C (101°F). In contrast, March is markedly colder, with temperatures ranging from a minimum of -29°C (-21°F) to a maximum of 25°C (77°F), and an average temperature of just 2°C (36°F). Precipitation levels are also slightly higher in March, totaling 46 mm (1.8 in) over 7 days, compared to September's 40 mm (1.6 in) over 6 days. Humidity is notably higher in September at 76%, compared to March's 64%. For more detailed information, check out Hot Springs weather in March.

When comparing the weather in September and April, we see notable differences in both temperature and precipitation. September typically enjoys milder conditions with average temperatures around 16°C (62°F) and a maximum of 38°C (101°F), along with relatively low precipitation of 40 mm (1.6 in) over just 6 days. In contrast, April presents cooler temperatures, with an average of only 5°C (42°F) and a maximum reaching 27°C (81°F). Additionally, April experiences more precipitation, totaling 71 mm (2.8 in) across 11 days, although it has lower humidity at 66%. For those interested in more specifics about April weather, you can check out Hot Springs weather in April.

When comparing the weather of September and May, a notable difference in temperature and precipitation can be observed. September generally features more extreme temperatures, with a minimum of -3°C (28°F) and a maximum soaring up to 38°C (101°F), averaging 16°C (62°F). In contrast, May has a slightly cooler profile, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 31°C (88°F), averaging 11°C (53°F). Precipitation is also significantly higher in May, totaling 91 mm (3.6 in) over 16 days, compared to September’s 40 mm (1.6 in) across just 6 days. However, both months maintain a similar humidity level, with September at 76% and May at 74%. For more detailed weather patterns specific to May, you can visit Hot Springs weather in May.

In September, the weather boasts a wider temperature range, with minimums dropping to -3°C (28°F) and maximums soaring to 38°C (101°F), leading to an average of 16°C (62°F). In comparison, June presents a milder climate with minimum temperatures around 4°C (39°F) and maximums reaching 37°C (98°F), resulting in a warmer average of 19°C (67°F). Additionally, June experiences more rainfall, with 69 mm (2.7 in) over 11 days, compared to September's 40 mm (1.6 in) over just 6 days. June also tends to be more humid, with humidity levels at 84% versus September's 76%. For more specific weather details, you can check Hot Springs weather in June.

September weather shows a wider temperature range, with minimums dropping to -3°C (28°F) and maximums reaching up to 38°C (101°F), while the average temperature sits at a mild 16°C (62°F). In comparison, July offers warmer conditions, featuring a minimum of 8°C (46°F) and an average of 22°C (72°F), with maximums peaking at 37°C (99°F). Precipitation in September is lighter at 40 mm (1.6 in) over 6 days, compared to July's higher total of 77 mm (3.0 in) across 12 days, contributing to the elevated humidity levels of 85% in July versus 76% in September. For more information, you can check Hot Springs weather in July.

In comparing the weather between August and September, we observe a notable shift in temperatures and conditions. September boasts a wider temperature range, with a minimum of -3°C (28°F) and a maximum reaching up to 38°C (101°F), while August has milder temperatures, ranging from a minimum of 5°C (41°F) to a maximum of 36°C (98°F). Precipitation slightly decreases from 46 mm (1.8 in) over 10 days in August to 40 mm (1.6 in) over 6 days in September, indicating less frequent rain. However, humidity remains relatively high in both months, with September at 76% compared to August's 85%. For a more detailed look at the weather patterns during August, you can visit Hot Springs weather in August.

September and October exhibit notable shifts in weather patterns. September sees a wider temperature range, with minimums dipping to -3°C (28°F) and maximums reaching as high as 38°C (101°F), resulting in an average temperature of 16°C (62°F). In contrast, October's temperatures are generally lower, boasting a minimum of -16°C (4°F) and a milder maximum of 29°C (85°F), leading to a significantly cooler average of 7°C (45°F). Precipitation also increases slightly from September to October, rising from 40 mm (1.6 in) over 6 days to 47 mm (1.8 in) over 7 days, while humidity decreases slightly from 76% to 71%. This transition indicates a shift towards colder and potentially wetter conditions as autumn progresses. For more detailed insights, visit Hot Springs weather in October.

September experiences a much broader temperature range, with minimums dropping to -3°C (28°F) and maximums soaring up to a sweltering 38°C (101°F), leading to an average of 16°C (62°F). In contrast, November brings a significant chill, with temperatures ranging from a low of -17°C (2°F) to a comfortable high of 24°C (75°F), averaging just 2°C (37°F). While September sees around 40 mm (1.6 in) of precipitation over 6 days, November is relatively drier with 21 mm (0.8 in) over only 5 days. Humidity levels also change slightly, with September at 76% and November dropping to 73%. For more details on what to expect, check out this link: Hot Springs weather in November.

In September, temperatures range significantly, with a minimum of -3°C (28°F) and a maximum soaring up to 38°C (101°F), leading to an average temperature of 16°C (62°F). The month experiences moderate precipitation of 40 mm (1.6 in) over six days, accompanied by high humidity levels at 76%. In contrast, December brings a chillier climate, with temperatures dipping lower, including a minimum of -21°C (-6°F) and an average of -1°C (30°F). Precipitation decreases to 23 mm (0.9 in) over just five days, and humidity slightly declines to 75%. For more details on how the weather shifts in December, you can refer to Hot Springs weather in December.

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Conclusion: What to Expect From September Weather in Hot Springs

As September rolls in, Hot Springs showcases a delightful transition to autumn, characterized by mild temperatures and a gentle increase in humidity. While the month can still flirt with warm highs, the overall climate shifts towards cooler, more comfortable days, offering a refreshing contrast to the summer heat. Although scattered rains may grace the landscape, the overall ambiance invites outdoor exploration and relaxation. For those interested in a deeper dive into what to expect throughout the year, be sure to check out the Hot Springs Climate for a comprehensive overview.