Last updated: February 24, 2025
September in Ouray, Colorado presents a delightful blend of cool autumnal breezes and contrasting temperature ranges. The maximum temperature peaks at a comfortable 24°C (76°F), while the average settles around a crisp 10°C (50°F). Residents and visitors can expect occasional chills with minimum temperatures dipping to -10°C (14°F). Rainfall figures reflect the transition of seasons, with an average precipitation of 50 mm (2.0 in) spread over 8 days, contributing to a humidity level of 59% that envelops the vibrant scenery. This month offers a picturesque setting for exploring Ouray's stunning landscapes while enjoying mild weather transitions.
In September, Ouray experiences a significant transition in temperatures that hints at the forthcoming autumn chill. With a minimum temperature of -10°C (14°F), the nights start to cool, while the average temperature settles at a crisp 10°C (50°F), inviting cozy sweaters. Daytime reaches a pleasant maximum of 24°C (76°F), allowing for vibrant outdoor activities amidst the backdrop of changing leaves. This month serves as a perfect bridge between the warmth of summer and the approaching winter, making it an ideal time to explore the stunning natural beauty of the area as it begins to don its fall attire.
In September, Ouray experiences a gentle transition as summer gives way to autumn, marked by an average precipitation of 50 mm (2.0 in) over approximately 8 days. This slight decline in rainfall compared to the more abundant summer months reflects the region's shift towards drier conditions, with July peaking at 113 mm (4.5 in) amidst lush greenery. As the days shorten and temperatures cool, the precipitation starts to mimic the drier spring months, yet still provides enough moisture to sustain the vibrant local flora. The overall trend throughout the year reveals a dynamic climatic pattern, with September acting as a bridge between the lush wetness of summer and the crisp dryness of fall, ensuring that Ouray continues to remain a picturesque destination.
As the seasons shift in Ouray, September brings a noticeable increase in humidity compared to the drier summer months. With levels rising to 59%, this month reflects a transition from the arid conditions of July and August, which hovered around 36% and 44% respectively. The return of moisture hints at the approaching fall, as humidity levels steadily climb towards the 74% mark in October. This trend highlights a gentle resurgence of dampness, setting the stage for the crispness of autumn while offering a brief respite from the summer dryness. As nature gears up for change, September serves as a pivotal bridge that connects summer's warmth with the impending chill of winter.
In September, Ouray experiences a UV Index of 11, categorizing the sunlight exposure as extreme. This marks a slight decline from the peak in July and August, both at 13, but it's still essential to remain vigilant about sun protection, as the burn time is just 10 minutes. The trend throughout the year demonstrates a gradual increase in UV intensity from January's moderate 4 to the extreme levels reached in summer. As we transition into fall, though the UV Index begins to decrease, it's crucial to stay aware as September's conditions can still be harsh. For more details on the UV Index in Ouray, visit Ouray UV Index.
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As summer gracefully gives way to autumn, September in Ouray shines brightly with 315 hours of sunshine, maintaining a warm glow that lingers after the vibrant days of August. This month stands as a delightful transition, reflecting a steady decrease in sunlight as the year progresses, yet still retaining a significant amount of brightness compared to the earlier months. Notably, September remains a generous month for sun seekers, surpassing the coolness of October's 284 hours and hinting at the onset of the quieter winter months. The trend showcases a decline in daylight hours, yet September’s sunlit days invite exploration and adventure, making it a cherished time to bask in the natural beauty of Ouray before the season’s chill sets in.
September in Ouray, United States, is marked by a noteworthy trend toward sunnier weather, boasting a 70% chance of sunshine. This makes it one of the sunniest months of the year, following the summer peak in August at 68%. The transition into fall typically sees a gradual decrease in sunny days, but September defies that pattern, providing a pleasant balance of warmth and clarity. As the month approaches, residents and visitors alike can look forward to vibrant autumn landscapes under a bright blue sky, making it an ideal time for outdoor activities and exploration before the cooler weather sets in.
As summer transitions into autumn in Ouray, Colorado, September marks a subtle shift in daylight. With about 12 hours of sunlight, the days gently shorten as nature prepares for the cooler months ahead. This decline follows the peak of 14 hours experienced in the height of summer, continuing the gradual trend seen throughout the year. From January's brief 9 hours to September's moderate daylight, each month dances along a rhythm of increasing and then decreasing sunlight, inviting both reflection and appreciation for the changing seasons. As we embrace autumn, the lingering warmth from summer still graces the days, reminding us to savor the last golden rays before winter's arrival.
In September, the winds in Ouray, United States, gently swirl with an average speed of 1.9 m/s (4 mph), marking a slight decrease compared to the summer months. The breeze, softer than the bustling gusts often felt in spring and early summer, continues a trend of lower wind speeds as the year transitions into fall. This month’s winds, while mild, maintain a consistent atmosphere, reminiscent of the preceding months, creating a serene backdrop for outdoor adventures. As the year progresses towards October, there’s an expected uptick in wind speed, providing a dynamic shift in the weather patterns that locals and visitors alike can enjoy.
The weather in Ouray 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 Ouray and find detailed weather information for every month.
In comparing the weather between September and January, there are notable contrasts. September experiences milder temperatures, with a minimum of -10°C (14°F) and an average of 10°C (50°F), peaking at a comfortable 24°C (76°F). In contrast, January brings much colder conditions, featuring a minimum of -23°C (-10°F) and an average of -8°C (18°F), with maximum temperatures only reaching 7°C (45°F). Additionally, both months see similar precipitation levels, with September recording 50 mm (2.0 in) over 8 days and January slightly higher at 52 mm (2.1 in) across 10 days. The humidity in January is significantly higher at 85%, compared to September's 59%. For more details about January's weather, you can visit Ouray weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a chilly -10°C (14°F) at night to a warm 24°C (76°F) during the day, with an average of 10°C (50°F). The month sees about 50 mm (2.0 in) of precipitation over approximately 8 days, accompanied by a moderate humidity level of 59%. In contrast, February is much colder, with temperatures plummeting to a minimum of -25°C (-12°F) and peaking at just 10°C (51°F), averaging -7°C (20°F). Precipitation increases to 73 mm (2.9 in) across around 13 days, along with a higher humidity of 86%. For a closer look at weather specifics, visit Ouray weather in February.
In comparing the weather of September and March, we see notable differences in temperature and precipitation. September tends to be milder, with average temperatures ranging from a chilly -10°C (14°F) at night to a pleasant 24°C (76°F) during the day, while March is considerably colder, with averages between -21°C (-5°F) and a high of just 11°C (53°F). Precipitation is also more prevalent in March, totaling 82 mm (3.2 in) over 13 days, compared to 50 mm (2.0 in) over 8 days in September. Additionally, March has a higher humidity level at 76%, while September's humidity sits at a more comfortable 59%. For a more detailed look at March weather, check out Ouray weather in March.
In comparing the weather of September and April, it becomes clear that September generally offers milder temperatures, with an average of 10°C (50°F) and maximums reaching up to 24°C (76°F), contrasted with April's colder average of 0°C (32°F) and a maximum of 12°C (55°F). While both months experience a similar amount of precipitation, with September receiving 50 mm (2.0 in) over 8 days and April slightly higher at 60 mm (2.4 in) over 10 days, April tends to be more humid at 69% compared to September's 59%. For a more detailed look at the specific conditions in April, you can check Ouray weather in April.
September and May present contrasting weather conditions, with September experiencing milder temperatures and greater variability. In September, temperatures range from a minimum of -10°C (14°F) to a maximum of 24°C (76°F), averaging around 10°C (50°F) and accompanied by 50 mm (2.0 in) of precipitation over 8 days, all while maintaining a humidity level of 59%. In contrast, May tends to be cooler, with temperatures that dip as low as -12°C (10°F) and peak at 20°C (68°F), averaging only 4°C (40°F). Precipitation is slightly higher at 56 mm (2.2 in), spread over 10 days, but humidity is lower at 53%. For more specific details about May weather, you can check Ouray weather in May.
September and June offer distinct weather experiences, each with its unique characteristics. In September, the temperatures range from a minimum of -10°C (14°F) to a maximum of 24°C (76°F), with an average of 10°C (50°F). The month sees about 50 mm (2.0 in) of precipitation over approximately 8 days, resulting in a humidity level of 59%. In contrast, June presents a slightly warmer picture, with temperatures ranging from -7°C (20°F) to 26°C (78°F) and an average of 11°C (52°F). June is typically drier, with only 30 mm (1.2 in) of precipitation over 6 days and a lower humidity of 40%. For more detailed information on June weather, check out Ouray weather in June.
In comparing the weather of September and July, notable differences emerge. September experiences cooler temperatures with a minimum of -10°C (14°F) and an average of 10°C (50°F), while July boasts milder conditions, with a minimum of 0°C (32°F) and an average of 14°C (58°F). Additionally, September has less precipitation, measuring 50 mm (2.0 in) over 8 days, compared to July, which sees significantly more rain at 113 mm (4.5 in) across 15 days. Furthermore, September's humidity level is higher at 59%, contrasting with July's lower 36%. For a detailed look, you can check out Ouray weather in July.
In September, the weather exhibits a notable drop in temperature compared to August, with minimums reaching as low as -10°C (14°F) and an average of 10°C (50°F). While both months share a maximum temperature of 24°C (76°F), September experiences slightly less precipitation, totaling 50 mm (2.0 in) over 8 days, compared to August's 54 mm (2.1 in) over 10 days. Additionally, September's humidity level is higher at 59%, in contrast to August's more moderate 44%. For a closer look at what to expect in August, check out Ouray weather in August.
In September, the weather tends to be milder with temperatures ranging from a chilly -10°C (14°F) at night to a comfortable maximum of 24°C (76°F) during the day, while October sees a notable drop in temperatures, with nighttime lows plunging to -27°C (-17°F) and daytime highs peaking at 19°C (67°F). Both months experience similar levels of precipitation, around 50-52 mm, but October has slightly more rainy days at 10 compared to September's 8 days. Additionally, October brings higher humidity levels at 74%, compared to September's 59%, contributing to a brisker and colder atmosphere overall. For more insights on this month’s weather, check out Ouray weather in October.
September and November present distinctly different weather patterns. In September, temperatures range from a minimum of -10°C (14°F) to a maximum of 24°C (76°F), with an average of 10°C (50°F). The month sees about 50 mm (2.0 in) of precipitation over 8 days, accompanied by a humidity of 59%. In contrast, November experiences much colder temperatures, with a minimum of -27°C (-16°F) and a maximum of 14°C (57°F), averaging -4°C (26°F). Precipitation decreases slightly to 43 mm (1.7 in) over the same number of days, and humidity rises to 83%. For more detailed November weather insights, check out Ouray weather in November.
In September, the weather presents a mild transition with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 24°C (76°F), resulting in an average of 10°C (50°F). This month experiences relatively low precipitation of 50 mm (2.0 in) over about 8 days, accompanied by a humidity level of 59%. In contrast, December ushers in significantly colder conditions, with temperatures ranging from a low of -26°C (-15°F) to a high of 9°C (49°F), averaging around -8°C (18°F). December sees a slight increase in precipitation to 60 mm (2.4 in) spread over approximately 11 days, along with a higher humidity level of 85%. For more detailed insights into December weather, visit Ouray weather in December.
As summer fades into autumn, September in Ouray brings a delightful shift in weather. With temperatures averaging a crisp 10°C (50°F), visitors can enjoy mild days and cool nights, contrasting sharply with the warmer months. The frequent, yet manageable 50 mm of precipitation over about 8 days adds a refreshing touch to the landscape, enhancing the stunning fall foliage. With humidity levels around 59%, the air feels brisk, inviting outdoor adventures amid breathtaking mountain scenery. Whether you're exploring trails or soaking in the vibrant surroundings, September's unique climate offers an experience distinct from the sweltering heat of summer or the chill of winter. To learn more about typical weather patterns throughout the year, visit Ouray Climate.