September Weather in Hot Springs, United States

Last updated: February 24, 2025

In Hot Springs, United States, September ushers in a pleasant transition, showcasing a maximum temperature of 33°C (92°F) and an average of 19°C (67°F), perfect for outdoor activities. While the minimum temperature dips to 2°C (36°F), it adds a refreshing coolness to the evenings. However, with 104 mm (4.1 in) of rainfall spread over 10 days, visitors should be prepared for occasional showers amid the lush greenery. The air is characterized by a relatively high humidity of 75%, making it feel warm and inviting, ideal for enjoying the natural beauty and therapeutic hot springs the area is renowned for.

September Temperature in Hot Springs

In September, Hot Springs experiences a delightful transition as temperatures begin to cool, offering a refreshing respite from the summer heat. The minimum temperature hovers around 2°C (36°F), while the average settles comfortably at about 19°C (67°F), making it an ideal month for outdoor activities. The maximum temperature can reach up to 33°C (92°F), allowing for a pleasant mix of warm and cooler days. Compared to the sweltering summer months, September marks a gradual decline in heat, paving the way for the crispness of autumn. This shift not only enhances the beauty of the surrounding nature but also invites visitors to explore the region’s famous hot springs in a more temperate climate.

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.
JanFebMarAprMayJunJulAugSepOctNovDec333844536269747266574238
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 experiences a notable increase in precipitation, with 104 mm (4.1 inches) of rain over approximately 10 days. This marks a slight uptick compared to the 92 mm recorded in August, reflecting the transition into the wetter fall season. As the summer heat subsides, the consistent rain not only replenishes local water sources but also sets the stage for the crisp, colorful autumn that follows. With September's rainfall being relatively higher than the summer months, it becomes clear that the region's climate embraces a shift, heralding the approaching seasonal changes.

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.
JanFebMarAprMayJunJulAugSepOctNovDec73114821151359762931041087492
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Hot Springs

In September, humidity levels in Hot Springs, United States, typically dip to 75%, marking the lowest point in the annual cycle. This decline follows a gradual decrease from the summer months, where July and August maintain higher humidity levels at 79% and 77%, respectively. The trend reveals a shift from the sultry summer heat towards the more temperate fall climate, preparing residents for the increasing moisture levels that come with autumn. As the year winds down, humidity begins to climb again in October, reaching 81%, and peaks sharply in the chillier months, with November and December bringing the highest averages of 87% and 85%. This cyclical pattern highlights the characteristic humidity of the region, transitioning from the summer's sticky warmth to the crispness of fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hot Springs

As September rolls into Hot Springs, the UV Index remains at a noteworthy 9, indicating a very high level of sun exposure. This marks a slight decline from the scorching 11 recorded in the peak summer months of June and July but is still a reminder of the need for sun protection. With a burn time of just 15 minutes, outdoor enthusiasts should be mindful of their skin care, especially as the sun's intensity begins to ease into the fall. This trend of gradually diminishing UV levels will continue into October, where the index drops to 7. For more details on sun safety in the region, check out the 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.
JanFebMarAprMayJunJulAugSepOctNovDec36810101111109753
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

September in Hot Springs, United States, brings a delightful transition as summer fades and autumn begins to unfold. With 282 hours of sunshine, the month boasts a generous amount of daylight, though it marks a gentle decline from the peak of 360 hours in July. This gradual decrease in sunlight, following the summer months, reflects a broader trend where the sunny hours begin to wane as the year progresses. However, compared to the earlier months, September still shines brighter than January and February, making it an ideal time for outdoor activities and enjoying the natural beauty of the area. As the landscape shifts toward fall, visitors can relish in the warm days while basking in the extended, golden sunlight.

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.
JanFebMarAprMayJunJulAugSepOctNovDec148h181h259h268h298h319h360h317h282h259h226h189h
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

As summer transitions into autumn, September in Hot Springs, United States, sees a promising 59% chance of sunny weather, making it one of the sunniest months of the year. This uptick in sunshine from August's 46% bodes well for outdoor activities and scenic explorations as the heat of summer begins to wane. Interestingly, the sunny weather probability rises after July’s 52%, suggesting that early fall offers a vibrant backdrop for those looking to enjoy the natural beauty of the area. Comparatively, as the year progresses toward winter, one might expect a decrease in sunny days, but September stands out as a peak moment, inviting locals and tourists alike to take advantage of its warm, sunlit days.

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.
JanFebMarAprMayJunJulAugSepOctNovDec40%28%48%52%40%39%52%46%59%40%55%42%
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 fall, September in Hot Springs, United States, showcases a gentle decline in daylight, offering about 12 hours of sunshine. This marks a noticeable shift from the summer months, where daylight peaked at a robust 14 hours in June, July, and early August. After enjoying long, sun-drenched days, locals and visitors alike can anticipate a gradual adjustment as daylight hours decrease, leading into the cozy, shorter days of autumn. This rhythm of natural light not only influences the activities people engage in but also heralds the arrival of the colorful foliage that characterizes the fall season.

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 51m10h 47m11h 58m13h 12m14h 14m14h 45m14h 28m13h 33m12h 22m11h 9m10h 5m9h 33m
Data source: Hot Springs daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hot Springs

In September, the winds in Hot Springs, United States, gently pick up, averaging around 1.9 m/s (4 mph). This subtle increase from the calm August breezes, which saw a lull at 1.5 m/s (3 mph), marks the beginning of a transition into the more active autumn months. While January through April typically bring stronger gusts, September's winds remain relatively mild, offering a pleasant reprieve before the brisker conditions of early fall set in. It’s a time when the air begins to feel just a touch crisper, inviting residents and visitors alike to enjoy the outdoors while the winds whisper hints of the seasonal change.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.52.62.92.11.91.91.51.9 m/s2.12.42.3
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.

September and January present contrasting weather patterns. In September, temperatures range from a cool 2°C (36°F) at night to a warm peak of 33°C (92°F) during the day, with an average temperature of 19°C (67°F). The month experiences moderate rainfall, totaling 104 mm (4.1 in), falling over 10 days. In contrast, January is much colder, with temperatures dipping as low as -22°C (-7°F) and averaging just 1°C (34°F), while the maximum temperature only reaches 19°C (67°F). Precipitation is less at 73 mm (2.9 in) over 9 days, yet humidity is slightly higher at 84%. For more information on the weather during January, you can check Hot Springs weather in January.

September and February present starkly contrasting weather conditions. September typically boasts a milder temperature range, with a minimum of 2°C (36°F), an average of 19°C (67°F), and a maximum reaching up to 33°C (92°F). While it experiences significant humidity at 75% and around 104 mm (4.1 in) of precipitation over 10 days, the overall climate remains warm and inviting. In contrast, February's temperatures drop significantly, with a minimum of -19°C (-2°F), an average of 4°C (39°F), and a maximum of 23°C (75°F). This winter month witnesses higher humidity at 84% and slightly increased precipitation of 114 mm (4.5 in) over 12 days, making it feel much colder and damper. For more insights into winter weather conditions, check out Hot Springs weather in February.

September and March present strikingly different weather patterns. In September, temperatures range from a chilly 2°C (36°F) to a warm 33°C (92°F), with an average of 19°C (67°F). This month sees 104 mm (4.1 in) of precipitation over about 10 days, accompanied by a humidity level of 75%. Conversely, March experiences cooler temperatures, with a minimum of -12°C (10°F) and a maximum of 28°C (83°F), averaging at 7°C (44°F). While it has slightly less rainfall at 82 mm (3.2 in) across 12 days, the humidity is a bit higher at 84%. For a detailed look at Hot Springs weather in March, you can explore more about how the climate shifts as winter transitions into spring.

When comparing the weather in September and April, we see notable differences in temperature and precipitation patterns. September typically experiences milder temperatures, with averages reaching around 19°C (67°F) and highs up to 33°C (92°F), while April's temperatures are cooler, ranging from a minimum of -5°C (23°F) to an average of 12°C (53°F). Both months have significant rainfall, with September receiving 104 mm (4.1 in) over about 10 days and April experiencing slightly higher precipitation at 115 mm (4.5 in) across 11 days. The humidity levels are also quite high, with September at 75% and April at 82%, making both months feel quite damp. For a closer look at April weather, you can explore Hot Springs weather in April.

In comparing the weather of September and May, we find notable differences in temperature and precipitation patterns. September offers a wider temperature range, with minimums of 2°C (36°F), averaging 19°C (67°F), and highs reaching up to 33°C (92°F). On the other hand, May experiences cooler minimum temperatures of -2°C (29°F) and a slightly lower average of 17°C (62°F), with maximums peaking at 30°C (86°F).

Regarding precipitation, September sees 104 mm (4.1 in) of rainfall over about 10 days, while May has a slightly higher total of 135 mm (5.3 in) spread across 14 days. Humidity levels are also higher in May at 82%, compared to 75% in September. For more detailed insights, you can explore Hot Springs weather in May.

When comparing the weather in September and June, September tends to showcase a broader temperature range, with minimums dropping to 2°C (36°F) and maximums reaching up to 33°C (92°F), resulting in an average temperature of 19°C (67°F). In contrast, June's temperatures are slightly higher, with minimums at 6°C (43°F) and maximums of 31°C (88°F), leading to an average of 20°C (69°F). Precipitation levels are somewhat comparable, with September receiving 104 mm (4.1 in) of rain over 10 days, while June has 97 mm (3.8 in) over 12 days, indicating a slightly drier month. Humidity also plays a role, as September's humidity averages around 75%, slightly lower than June's 83%. For more detailed insights, you can refer to Hot Springs weather in June.

When comparing the weather in September to that of July, notable differences emerge. September experiences a broader temperature range, with a minimum of 2°C (36°F) and a maximum of 33°C (92°F), resulting in an average of 19°C (67°F). In contrast, July is warmer overall, featuring a minimum of 11°C (53°F), an average of 23°C (74°F), and a peak temperature of 34°C (94°F). Regarding precipitation, September is wetter, receiving 104 mm (4.1 in) over 10 days, compared to July's 62 mm (2.4 in) over 9 days. Humidity is also relatively high in both months, with September reaching 75% and July slightly higher at 79%. For more detailed weather information, you can visit Hot Springs weather in July.

In comparing the weather between September and August, September experiences slightly cooler temperatures, with average highs reaching 33°C (92°F) compared to August's peak of 34°C (93°F). The minimum temperatures in September can drop to 2°C (36°F), significantly lower than August's minimum of 10°C (51°F). While both months have considerable humidity, September's averages around 75%, just below August's 77%. Precipitation is also a bit more pronounced in September, totaling 104 mm (4.1 in) over 10 days, versus August's 92 mm (3.6 in) over 11 days. For more details on August conditions, visit Hot Springs weather in August.

In comparing the weather of September and October, September features a wider temperature range with a minimum of 2°C (36°F) and a warm average of 19°C (67°F) that can peak at 33°C (92°F). However, as we transition into October, temperatures drop significantly, with minimums plunging to -4°C (25°F) and an average of 14°C (57°F), though highs remain relatively warm at 32°C (89°F). While precipitation levels in both months are similar, with September recording 104 mm (4.1 in) over 10 days and October slightly higher at 108 mm (4.3 in) over 9 days, humidity also increases in October to 81%. For more detailed insights on the weather specifics in October, check out this link: Hot Springs weather in October.

September and November present quite different weather patterns. September boasts a warm average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F), making it a pleasant month overall. However, it also experiences considerable humidity at 75% and around 104 mm (4.1 in) of precipitation over 10 days. In contrast, November introduces a chill, with average temperatures dropping to 6°C (43°F) and minimums dipping to -10°C (15°F). Although it has less rain, totaling 73 mm (2.9 in) over just 7 days, the humidity rises slightly to 87%. For a closer look at what to expect, you can read more here: Hot Springs weather in November.

In September, the weather showcases a broad range of temperatures, with lows around 2°C (36°F) and highs reaching a warm 33°C (92°F), culminating in an average of 19°C (67°F). The month's humidity stands at 75%, accompanied by 104 mm (4.1 in) of precipitation over approximately 10 days. In contrast, December brings a significant drop in temperatures, starting with a minimum of -17°C (2°F) and averaging just 3°C (38°F), with a maximum reaching 19°C (66°F). Despite fewer precipitation days at 9, December's humidity is slightly higher at 85%, and total rainfall is 92 mm (3.6 in). For more insights into the winter conditions, explore Hot Springs weather in December.

Compare Hot Springs's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hot Springs

As September arrives in Hot Springs, the weather begins to shift noticeably, with warm days yielding to cooler nights. While the month can still bring some heat, the average temperature provides a comfortable reprieve compared to the scorching summer months. However, with an increased humidity level, visitors may find the atmosphere a bit muggy, especially during those occasional rain showers that dot the month. This blend of warmth and moisture creates a unique backdrop for autumn adventures, making September an ideal time to explore all that Hot Springs has to offer. For a deeper dive into the yearly climate patterns, check out the comprehensive information on Hot Springs Climate.