Last updated: February 24, 2025
September at the Air Force Academy, United States, showcases a dynamic weather pattern characterized by a maximum temperature reaching 33°C (91°F) and a chilly minimum dipping to -4°C (26°F). The average temperature settles comfortably at 16°C (61°F), creating a pleasant climate for outdoor activities. However, this month also brings 36 mm (1.4 in) of precipitation over five days, contributing to an overall humidity level of 79%. This blend of warmth and occasional rain highlights September as a transitional month, where warm days are met with cooler nights, making it a unique period at the Academy.
As September rolls in at the United States Air Force Academy, temperatures begin to showcase the cool embrace of autumn. The month starts with a minimum of -4°C (26°F) and reaches a comfortable average of 16°C (61°F), peaking at a warm 33°C (91°F). This transition reflects a gradual decrease from the sweltering summer highs of August, where daytime temperatures flirted with the 30s. With average temperatures noticeably dipping from the summer months, September embodies a blend of lingering warmth and the onset of cooler days, hinting at the chilly weather that will follow in October. The crisp air and changing colors make this a delightful time for both activities and reflection at the Academy.
In September, the Air Force Academy experiences a noticeable shift in precipitation patterns, receiving 36 mm (1.4 in) of rain over just 5 days. This marks a decline from the heavier rainfall observed in May and July, reflecting the transition from summer to autumn. The number of rainy days decreases compared to the wetter months of the year, suggesting a gradual shift towards drier conditions as the fall season sets in. In the broader context of the year, September's precipitation serves as a bridge between the lush late summer and the drier months that follow, indicating a seasonal rhythm that characterizes this region's climate.
As September arrives at the Air Force Academy in the United States, humidity levels settle at a notable 79%, highlighting a slight decrease from the peak summer months, yet still remaining relatively high. This trend showcases a gradual change in moisture levels, as the late summer's 80% humidity in August begins to wane. Throughout the year, humidity consistently hovers in the mid-to-high seventies, with the coldest months, January and February, showing the highest figures of 74% and 75% respectively. It’s interesting to observe that as the seasons transition from summer to fall, humidity fluctuates but remains persistently elevated, suggesting that the region faces a humid climate even as it prepares for cooler days ahead.
As summer transitions into fall, September at the Air Force Academy sees a notable shift in the UV Index, registering at 10, which falls into the very high exposure category. This represents a slight decrease from the previous months' extreme levels, where UV exposure peaked at 12. With a burn time of just 15 minutes, it remains crucial for outdoor enthusiasts to stay vigilant about sun protection. This trend highlights that while September offers a reprieve from the intense summer sun, the UV Index remains significant as the sun's angle changes. As always, for those planning outdoor activities, checking the UV Index is essential. For more details, visit the Air Force Academy UV Index.
UV Risk Categories
September at the Air Force Academy brings a delightful transition, boasting 307 hours of sunshine. This marks a notable decrease from the peak of 372 hours in July, yet it still reflects a robust continuation of the sunny days that characterize the summer months. After a steady climb through the spring, peaking in June, the sunlight hours begin to gradually decline as the academy shifts into the cooler seasons. This trend highlights a vibrant summer lingering just a bit longer before autumn settles in, allowing cadets to relish the late warmth while preparing for the changing tones of the fall. As the days shorten, September remains a golden opportunity to embrace the outdoors before the chilly months approach.
As summer transitions to fall, September in the Air Force Academy boasts a promising 67% chance of sunny weather, making it one of the brighter months of the year. This upward trend in solar days follows a solid August, which enjoys a 63% likelihood of sunshine. Notably, September's sunshine probabilities outshine the earlier months of the year, with only October's 71% and December's 74% offering even greater prospects. As the days grow shorter, September presents an ideal moment to embrace the outdoors, basking in the warm sunlight before the chill of winter sets in.
As September unfolds at the Air Force Academy in the United States, daylight begins to wane, offering approximately 12 hours of sunlight compared to the peaks of the summer months. This gradual decline marks the transition from the vibrant, sun-drenched days of July and August, where daylight maxed out at 14 hours, to the shorter, cooler days ahead in October, which revisits the 11-hour mark. The trend reflects a consistent yearly rhythm, where the longest days of summer are succeeded by a steady decrease in daylight, culminating in the shorter, winter days of December. This seasonal dance not only influences outdoor activities but also shapes the daily rhythms of life at the Academy, as cadets adapt to the changing light as autumn approaches.
As September unfolds at the Air Force Academy, the wind whispers with a gentle average speed of 2.4 m/s (5 mph), mirroring the tranquil breezes of summer. Throughout the year, wind patterns subtly shift; after a slight increase to 2.8 m/s (6 mph) in March, speeds generally hover around the 2.4 to 2.6 m/s range. This consistent airflow fosters an ideal environment, where cadets can engage in various outdoor activities and training exercises. Moving towards the end of the year, a modest uptick is noted in October, reminding us that while September may feel calm, the changing seasons will inevitably stir the winds anew.
The weather in Air Force Academy 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 Air Force Academy and find detailed weather information for every month.
September and January present starkly contrasting weather conditions. In September, temperatures vary significantly, ranging from a minimum of -4°C (26°F) to a maximum of 33°C (91°F), with an average of 16°C (61°F). The month experiences moderate precipitation of 36 mm (1.4 in) over approximately 5 days, coupled with relatively high humidity at 79%. In contrast, January brings much colder temperatures, with a minimum of -27°C (-16°F) and a maximum of 16°C (61°F), averaging around -3°C (26°F). Precipitation is lower at 15 mm (0.6 in) over just 3 days, and humidity is slightly reduced at 74%. For further details, you can check the Air Force Academy weather in January.
The weather in September and February presents a stark contrast, showcasing the changing seasons. September enjoys a moderate climate with average temperatures around 16°C (61°F), peaking at a warm 33°C (91°F), while maintaining relatively high humidity levels of 79%. The month experiences modest precipitation of 36 mm (1.4 in) over about five days. In contrast, February brings much colder temperatures, with an average of -4°C (25°F) and frigid lows reaching -31°C (-24°F). Although February has less precipitation at 24 mm (0.9 in), it occurs over a longer period of seven days, accompanied by slightly lower humidity at 75%. For more detailed insights into February conditions, visit Air Force Academy weather in February.
September and March exhibit stark contrasts in weather patterns. September enjoys a more temperate climate, with average temperatures around 16°C (61°F) and maximums reaching up to 33°C (91°F), making it ideal for outdoor activities. In contrast, March experiences much colder conditions, with average temperatures around 2°C (35°F) and minimums plummeting to -24°C (-11°F), as noted in the Air Force Academy weather in March. Additionally, while September sees relatively low precipitation of 36 mm over five days, March is wetter with 55 mm of rainfall spread over seven days, though it benefits from lower humidity levels at 66%.
When comparing the weather of September and April, notable differences emerge. September typically boasts milder temperatures, ranging from a minimum of -4°C (26°F) to a maximum of 33°C (91°F), along with an average of 16°C (61°F). In contrast, April experiences colder conditions, with temperatures dipping as low as -18°C (0°F) and averaging around 6°C (42°F), peaking at 27°C (80°F). Precipitation in April is slightly higher—47 mm over 11 days—compared to September's 36 mm over 5 days. Additionally, April features lower humidity levels at 62%, unlike September's higher average of 79%. For more detailed information about conditions during this month, you can check the Air Force Academy weather in April.
September typically offers warmer weather compared to May, with average temperatures of 16°C (61°F) and highs reaching up to 33°C (91°F), whereas May sees cooler averages of 11°C (52°F) with a maximum of 30°C (86°F). Despite the higher temperatures in September, it experiences less precipitation overall, with 36 mm (1.4 in) across just five days, compared to May's 86 mm (3.4 in) over 14 days. Humidity levels are relatively close, with September at 79% and May slightly lower at 74%. For a more detailed look at the weather in May, you can check out this link: Air Force Academy weather in May.
When comparing the weather in September to that of June, we can observe distinct differences. September features a broader temperature range with minimums of -4°C (26°F) and maximums reaching up to 33°C (91°F), resulting in an average temperature of 16°C (61°F). In contrast, June's temperatures are slightly milder, with minimums of 1°C (35°F) and maximums hitting 35°C (96°F), creating an average of 18°C (64°F). Precipitation levels are also noteworthy, with September receiving 36 mm (1.4 in) over 5 days, while June has a higher total of 44 mm (1.8 in) spread across 10 days. Humidity levels are similar for both months, 79% in September compared to 76% in June, providing a humid backdrop to the warmer days. For more detailed insights, check out the Air Force Academy weather in June.
When comparing the weather in September to that of July, some notable differences emerge. September experiences a broader temperature range, with minimums dipping to -4°C (26°F) and maximums reaching up to 33°C (91°F), giving it an average temperature of 16°C (61°F). In contrast, July is generally milder, with a minimum temperature of 8°C (46°F), an average of 20°C (68°F), and maximums peaking at 35°C (94°F). Additionally, September sees significantly less precipitation, receiving only 36 mm (1.4 in) over about 5 days compared to July's 85 mm (3.3 in) spread across 16 days. Humidity levels also differ slightly, with September averaging 79%, while July remains at a lower 75%. For more details, you can visit Air Force Academy weather in July.
In comparison to August, September experiences a notable drop in minimum temperatures, with September starting at a chilly -4°C (26°F) compared to August's milder 6°C (43°F). However, both months share relatively similar maximum temperatures, with September peaking at 33°C (91°F) and August reaching 32°C (91°F). While rainfall in September is lower at 36 mm (1.4 in) over 5 days, August sees more precipitation, totaling 53 mm (2.1 in) over 11 days. Humidity levels remain quite close, with September at 79% and August slightly higher at 80%. For more detailed insights, check out the Air Force Academy weather in August.
September weather is characterized by a wider temperature range, with minimums dropping to -4°C (26°F), averaging at a more temperate 16°C (61°F), and reaching maximums of 33°C (91°F). In contrast, October experiences a significant drop in average temperatures, hovering around 7°C (45°F), with nights plunging to a minimum of -22°C (-8°F). Both months see similar precipitation levels, with September receiving 36 mm (1.4 in) over 5 days and October slightly higher at 38 mm (1.5 in) over 7 days. Humidity is relatively consistent, with September at 79% and October slightly lower at 77%. For more detailed October weather conditions, visit Air Force Academy weather in October.
In September, temperatures range from a chilly -4°C (26°F) at night to a warm 33°C (91°F) during the day, with an average of 16°C (61°F). The month experiences a moderate level of precipitation at 36 mm (1.4 in) over about five days, and the humidity is relatively high at 79%. In contrast, November brings much cooler conditions with temperatures dropping significantly; the minimum is -22°C (-8°F), while the maximum reaches just 23°C (73°F), averaging around 2°C (36°F). Rainfall decreases to 20 mm (0.8 in), occurring over four days, and the humidity remains lower at 74%. For more detailed insights, you can check the Air Force Academy weather in November.
In September, the weather is significantly warmer, with average temperatures around 16°C (61°F) and highs reaching up to 33°C (91°F), making it a comfortable month with moderate humidity levels at 79%. The precipitation is relatively low, totaling 36 mm (1.4 in) over about five days. In contrast, December brings a stark drop in temperatures, where average highs hover around -2°C (29°F) and lows can plummet to -23°C (-9°F). This month also experiences less precipitation, with only 11 mm (0.4 in) falling over three days, along with a slight increase in humidity to 80%. For more details on the December weather conditions, you can visit Air Force Academy weather in December.
As September unfolds at the Air Force Academy, the weather presents a unique transition from the warmth of summer to the crispness of autumn. With temperatures ranging from sunny highs to the occasional chill, this month showcases a remarkable blend of mild days and cool nights. Although precipitation is limited, the increased humidity adds a layer of richness to the air, distinguishing September from the drier months that precede it. Nature begins to show signs of change, making it a charming time of year for both cadets and visitors. To explore how September fits into the broader climate patterns, check out the detailed insights available at Air Force Academy Climate.