September Weather in Santa Fe, United States

Last updated: February 24, 2025

September in Santa Fe, United States offers a delightful mix of warm daytime temperatures and cool nights, with a maximum of 33°C (92°F) and an average of 18°C (65°F). As the month progresses, temperatures can dip to a refreshing 2°C (36°F) at night. Visitors may encounter 27 mm (1.1 in) of rainfall over the course of three days, adding a hint of freshness to the air. With an average humidity level of 72%, September provides a comfortable atmosphere for exploring the rich culture and stunning landscapes of this vibrant city.

September Temperature in Santa Fe

In September, Santa Fe transitions beautifully from the heat of summer to a more temperate fall climate. With minimum temperatures hovering around 2°C (36°F) and average highs reaching 33°C (92°F), the weather is pleasantly warm yet more bearable than the peak summer months. This month marks a notable shift as the average temperature settles at a comfortable 18°C (65°F), allowing for ample outdoor activities amidst the stunning autumn foliage. As the days shorten, cool nights provide a refreshing contrast, hinting at the crispness of the approaching fall. The last echoes of summer warmth linger, making September a delightful time to soak in Santa Fe’s enchanting landscapes before winter sets in.

September Weather in Santa Fe: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Fe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303343516070727065524133
Data source: Temperature data for Santa Fe generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Santa Fe

In September, Santa Fe experiences a moderate precipitation level of 27 mm (1.1 in), consistent with the previous month’s 28 mm. This rainfall typically occurs over three days, maintaining a pattern of relatively spaced-out showers as summer transitions into fall. While the total remains robust, it also signals a gradual shift as the region approaches its drier months. Notably, this month's precipitation mirrors the totals seen in both April and October, which are characterized by similar rainfall volumes, suggesting a seasonal rhythm that supports the area's unique climate. Overall, September serves as a bridge between the wetter summer months and the drier autumn, allowing nature to gracefully prepare for the cooler season ahead.

September Precipitation Trends in Santa Fe

The chart displays monthly precipitation patterns in Santa Fe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec232424271717422827302118
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Fe

In Santa Fe, September experiences a notable rise in humidity, averaging 72%, a slight increase from the drier summer months of June and July, which hover around 55% to 56%. This uptick brings a refreshing change as the city transitions into fall. Prior months like May and June show a steady decrease in humidity, with May peaking at 57% before the summer's relative dryness sets in. However, September's humidity levels are a precursor to the higher readings in the following months, with October and November showing 78% and 81%, respectively. This trend indicates a gradual return to the moisture that characterizes Santa Fe's winter months, highlighting the unique climatic shifts that define the region throughout the year.

September Average Humidity in Santa Fe

This chart illustrates the average monthly humidity levels in Santa Fe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%66%60%57%55%57%65%72%78%81%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Fe

As September rolls into Santa Fe, the UV Index remains high, peaking at 11, which falls into the extreme exposure category and signifies a burn time as brief as 10 minutes under direct sunlight. This trend highlights a consistent pattern of elevated UV levels throughout the summer months, with July and June experiencing the highest indexes of 13. Although slightly lower than the height of summer, September still demands caution as the sun's intensity persists. As the seasons transition, it's crucial to stay informed and protected against harmful UV rays. For more detailed information and updates, visit Santa Fe UV Index.

Maximum UV Index Levels in Santa Fe for September

The chart shows the monthly maximum UV Index (UVI) for Santa Fe 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111213131211854
Data source: Santa Fe 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 Santa Fe

As summer transitions into autumn, September in Santa Fe shines with a delightful 309 hours of sunshine. This month reflects a slight dip from the peak brightness of July and June, which each bask in over 370 hours. However, September's warm glow still offers more sunshine than the cooler months that follow, making it an inviting time for outdoor exploration and cultural festivities. The gradual decrease in sunlight hours marks the end of a sun-drenched season, yet this month holds onto enough warmth to ensure that Santa Fe remains vibrant and alive with energy, inviting both residents and visitors to savor the lingering summer vibes before the crisp autumn air sets in.

Monthly Sunshine Duration in Santa Fe: September Highlighted

The September sunshine duration represents the total number of hours Santa Fe 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h250h298h326h364h368h372h352h309h283h263h250h
Data source: Santa Fe September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Fe During September

In September, Santa Fe enjoys a delightful 71% chance of sunny weather, marking it as one of the sunniest months of the year. This is a noticeable increase compared to the summer months, where the chances dip to a 55-65% range, reflecting a trend that sees sunny days becoming more frequent as the month progresses. The rising probabilities extend into the fall, with October and November boasting even higher chances at 76% and 77%, respectively. This upward trend not only showcases Santa Fe’s appealing climate as summer wanes but also highlights September as an ideal time for outdoor activities in this picturesque city.

Percentage of Sunny Days in September in Santa Fe

The chart illustrates the percentage of sunny days in Santa Fe 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 Santa Fe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec63%67%67%66%65%58%55%65%71%76%77%66%
Data source: Santa Fe September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Fe in September

As September unfolds in Santa Fe, United States, the daylight hours begin to gracefully wane, offering a tranquil transition from the long, radiant days of summer to the crisper autumn months. With approximately 12 hours of daylight, the city's sunlit hours reflect a steady decline from the peak of 14 hours enjoyed during the summer. This gradual decrease in daylight is part of a rhythmic cycle, where spring and summer bask in more sunlight, culminating in a gentle descent as the year edges toward winter. As September ends, residents can savor the softening light, while anticipating the shorter days ahead, the seasonal shift inviting a cozy embrace of nature's changing palette.

Average Daylight Hours in Santa Fe for September

The chart illustrates the variation in daylight duration in Santa Fe throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 53m11h 59m13h 7m14h 3m14h 31m14h 15m13h 25m12h 21m11h 13m10h 15m9h 46m
Data source: Santa Fe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Santa Fe

As September unfolds in Santa Fe, the gentle breeze carries the remnants of summer warmth, with average wind speeds settling at 2.3 m/s (5 mph). This trend of mild winds reflects a notable dip from the season's peak in spring, where gusts reached around 3.6 m/s (8 mph) in April. The consistency of September's breezes offers a comforting ambiance, echoing the quieter days of late summer, while hinting at the cooling transition into fall. Interestingly, this month's winds mirror those of August, maintaining a mellow flow that pleasantly complements the rich, vibrant landscapes characteristic of Santa Fe during this time. As the winds shift, they pave the way for the crispness of autumn, yet provide a lingering touch of warmth for those savoring the last days of summer.

Average September Wind Speed in Santa Fe

The chart displays monthly wind speed patterns in Santa Fe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.83.23.63.52.62.02.32.3 m/s2.82.22.9
Data source: Santa Fe September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Santa Fe Compares to Other Months

The weather in Santa Fe 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 Santa Fe and find detailed weather information for every month.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 33°C (92°F), and an average temperature of 18°C (65°F). The month experiences relatively light rainfall, with 27 mm (1.1 in) of precipitation over just 3 days and a humidity level of 72%. In contrast, January brings significantly colder conditions, where temperatures can plummet to a minimum of -19°C (-3°F) and only reach a maximum of 14°C (57°F), averaging around -1°C (30°F). Although January has slightly less precipitation at 23 mm (0.9 in) over 5 days, the humidity is higher at 78%. For more details on January conditions, visit Santa Fe weather in January.

September and February offer starkly contrasting weather conditions. In September, temperatures range from a pleasant 2°C (36°F) at night to a warm 33°C (92°F) during the day, with an average of 18°C (65°F). The month experiences moderate precipitation, totaling 27 mm (1.1 in) over just three days, and comes with a humidity level of 72%. Conversely, February is much colder, with nighttime temperatures plunging to -21°C (-6°F) and daytime highs averaging around 1°C (34°F), peaking at 18°C (64°F). Precipitation is slightly lower in February at 24 mm (0.9 in), falling over five days, and the humidity is higher at 79%. For more details, you can check Santa Fe weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 33°C (92°F) during the day, with an average of 18°C (65°F). The month sees relatively low precipitation at 27 mm (1.1 in) over just 3 days and higher humidity at 72%. In contrast, March offers cooler temperatures with nighttime lows dropping to -10°C (14°F) and daytime highs reaching a pleasant 22°C (73°F), averaging around 6°C (43°F). While it has slightly less precipitation at 24 mm (0.9 in), it experiences more rainy days, occurring over 5 days, with humidity levels at 66%. For a deeper dive into March weather specifics, check out Santa Fe weather in March.

Comparing the weather in September and April reveals distinct differences in temperature and humidity. September boasts a more comfortable average temperature of 18°C (65°F) with maximum highs reaching up to 33°C (92°F), while April's temperatures are significantly cooler, averaging only 11°C (51°F) and peaking at 26°C (80°F). Additionally, September experiences higher humidity at 72%, compared to April's lower humidity of 60%. Both months have similar precipitation levels at 27 mm (1.1 in), but April has one extra rainy day, totaling four days of rain. For more detailed information, check out Santa Fe weather in April.

September generally experiences warmer temperatures compared to May, with minimums of 2°C (36°F) and an average of 18°C (65°F), reaching a maximum of 33°C (92°F). The month sees a precipitation level of 27 mm (1.1 in) over about 3 days, contributing to a higher humidity of 72%. In contrast, May is cooler, with minimum temperatures dropping to -5°C (24°F) and an average of 16°C (60°F), peaking at a maximum of 29°C (85°F). Additionally, May has less rainfall at 17 mm (0.7 in) across 4 days and a lower humidity level of 57%. For more insights on May weather, you can check Santa Fe weather in May.

In comparing the weather of September and June, we notice some intriguing differences. September features a wider temperature range, with minimums dipping to 2°C (36°F) and maximums reaching up to 33°C (92°F), while June starts slightly warmer with minimums at 4°C (40°F) and maximums peaking at 35°C (95°F). The average temperature in September is 18°C (65°F), whereas in June it climbs to 21°C (70°F), indicating a generally warmer feel in early summer. Additionally, September tends to be more humid at 72%, compared to June's lower humidity levels of 55%. Interestingly, both months experience similar precipitation patterns, with around three days of rain, although September records slightly more precipitation at 27 mm (1.1 in) compared to June's 16 mm (0.6 in). For more detailed insights on June weather, you can visit Santa Fe weather in June.

When comparing the weather in September and July, September offers a wider range of temperatures, with minimums as low as 2°C (36°F) and maximums reaching up to 33°C (92°F), leading to an average temperature of 18°C (65°F). In contrast, July is generally warmer, featuring minimum temperatures of 11°C (51°F) and maximums hitting 36°C (97°F), resulting in an average of 22°C (72°F). Additionally, September experiences less precipitation, with only 27 mm (1.1 in) over about 3 days, compared to July's 42 mm (1.6 in) spread over 9 days. Humidity levels are also higher in September at 72%, while July's humidity is more comfortable at 56%. For more details on July's climate, check out Santa Fe weather in July.

September's weather shows a noticeable transition compared to August. While August boasts warmer minima with temperatures starting at 11°C (51°F) and averaging 21°C (71°F), September's minimum dips significantly to 2°C (36°F). The average temperature in September is slightly lower at 18°C (65°F), contrasted with August's average of 21°C. Despite having similar total precipitation at 27 mm (1.1 in) in September and 28 mm (1.1 in) in August, September experiences rain over fewer days (3 days versus 7 days in August), indicating more consistent dry periods. Additionally, September's humidity is higher at 72%, making it feel more humid than August's 65%. For more detailed information about August’s weather patterns, visit Santa Fe weather in August.

In September, the weather is characterized by a warm range, with temperatures fluctuating between a minimum of 2°C (36°F) and a maximum of 33°C (92°F), leading to an average of 18°C (65°F). The month sees relatively low precipitation of 27 mm (1.1 in) over just three days, along with a humidity level of 72%. In contrast, October brings a noticeable drop in temperatures, with minimums reaching -7°C (19°F) and an average of 11°C (52°F), peaking at 26°C (80°F). Precipitation slightly increases to 30 mm (1.2 in) over five days, and humidity rises to 78%. For more detailed information, you can check Santa Fe weather in October.

In September, the weather is characterized by warmer temperatures, with a minimum of 2°C (36°F) and a maximum of 33°C (92°F), resulting in a pleasant average of 18°C (65°F). The month sees relatively low precipitation, totaling 27 mm (1.1 in) across just three days, accompanied by a moderate humidity level of 72%. In contrast, November experiences significantly colder conditions, with temperatures dropping to a minimum of -14°C (6°F) and an average of only 5°C (42°F). The maximum temperature reaches 20°C (69°F), but the overall atmosphere is much chillier. November has slightly less precipitation at 21 mm (0.8 in), occurring over four days, with humidity increasing to 81%. For more details, check out Santa Fe weather in November.

September and December present contrasting weather conditions. In September, temperatures range from a mild 2°C (36°F) at night to a warm 33°C (92°F) during the day, with an average of 18°C (65°F). The month sees relatively low precipitation of 27 mm (1.1 in) over just 3 days, accompanied by a humidity level of 72%. In contrast, December experiences a chillier climate, with temperatures dropping significantly: a minimum of -18°C (0°F), an average of 1°C (33°F), and a maximum of 17°C (63°F). Precipitation is slightly lower at 18 mm (0.7 in) over 4 days, while humidity rises to 79%. For a more detailed look at December weather, visit Santa Fe weather in December.

Compare Santa Fe's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Santa Fe

As September unfolds in Santa Fe, it brings a delightful transition from the heat of summer to the mildness of autumn. With average temperatures hovering around a comfortable 18°C (65°F) and maximums reaching up to 33°C (92°F), residents and visitors alike can enjoy warm days alongside cooler evenings. The relatively low amount of rainfall, just 27 mm across only three days, makes this month a fantastic time for outdoor activities. However, with humidity levels around 72%, the air can feel slightly muggy. Overall, September offers a unique blend of summer's warmth yet hints at the crispness of fall, making it distinct from the more extreme temperatures experienced in other months. For detailed climate information, check out Santa Fe Climate.