Last updated: February 24, 2025
In September, Interlochen, United States experiences a diverse range of weather, reflecting the transition from summer to fall. Maximum temperatures can reach a sizzling 33°C (91°F), while the average temperature hovers around a comfortable 17°C (62°F). Early morning chills may surprise, with some nights dipping to a brisk 1°C (35°F). The month brings 81 mm (3.2 in) of precipitation across approximately 11 days, contributing to the region’s lush landscapes. High humidity levels at 79% create a unique atmosphere, making for a dynamic and often humid climate that showcases the beauty of this season in Interlochen.
September in Interlochen heralds a delightful transition as summer gently fades into fall. With minimum temperatures settling around 1°C (35°F) and average highs reaching 33°C (91°F), this month offers a perfect blend of warmth and crispness. The average temperature of 17°C (62°F) reflects a comfortable climate, ideal for outdoor activities as the landscape begins to don its autumn attire. While the warmth of summer lingers at the beginning of the month, a gradual coolness starts to embrace the region, setting the stage for the vibrant fall foliage. As the days become shorter and the air freshens, September captivates with its inviting charm, inviting locals and visitors alike to savor the last glimpses of warm-weather adventures before the chill of winter sets in.
In September, Interlochen experiences a notable shift in precipitation patterns as the summer warmth begins to wane. With 81 mm (3.2 in) of rainfall over 11 days, this month marks a decrease compared to the preceding summer months, reflective of the transition into the cooler fall season. An interesting trend emerges from the preceding months, where precipitation tends to peak in May at 117 mm (4.6 in) and gradually decreases each subsequent month until September. This dip showcases a seasonal rhythm, emphasizing the region’s climatic variations. As October approaches, precipitation is expected to rise again, signaling the start of a wetter season, which has historically recorded 127 mm (5.0 in) of rain. The consistent rainfall throughout September helps maintain the lush landscapes characteristic of this beautiful region, setting the stage for the vibrant autumn colors to come.
September in Interlochen, United States, marks a notable transition in humidity levels as summer gives way to fall. With an average humidity of 79%, September experiences a slight decrease from the summer months, where July and August lingered at 75% and 76%, respectively. This gradual cooling trend reflects the shift towards autumn, as humidity starts to climb again in October with 83%. Overall, the data reveals a consistent pattern: humidity levels are highest in the winter months, peaking at 91% in January and February, and gradually declining through the summer before starting to rise again in the fall. This seasonal ebb and flow creates a dynamic climate that characterizes Interlochen's year-round weather experience.
As September rolls into Interlochen, the UV Index reflects a shift in the seasons, registering a moderate-high value of 7. This marks a decline from the peak summer months, where the UV Index soared to 10 in June and hovered around 9 in July and August. With a burn time of approximately 25 minutes, it's advisable to take precautionary measures during outdoor activities. This month serves as a reminder to enjoy the fading summer warmth while being mindful of sun exposure. As the days grow shorter and the sun's intensity dims, transitioning from the very high levels earlier in the season to high in September directs attention to skin safety. For detailed insights on UV fluctuations throughout the year, you can explore Interlochen UV Index.
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As summer transitions into autumn, September in Interlochen showcases a remarkable blend of warmth and light, boasting 279 hours of sunshine. This month marks a noticeable shift from the peak summer radiance of July and August, which recorded an impressive 362 and 336 hours respectively. In fact, September retains a significant glow, outshining the earlier months of the year, like January's modest 83 hours and even October's decline to 201 hours. The gradual tapering of daylight reflects the richly vibrant natural changes as the leaves begin to turn, creating a picturesque backdrop that is both serene and inviting. With the sun still shining brightly, September invites residents and visitors alike to revel in the tail end of summer before the crispness of fall sets in.
As summer transitions to fall in Interlochen, September brings a promising 54% chance of sunny weather, marking the highest likelihood for clear skies since June and July. This upward trend in sunshine, following the summer months, suggests that locals and visitors alike can still enjoy the outdoors as the weather remains inviting. With the sun's presence more assured this month than in the preceding autumn months, September stands out as an ideal time for outdoor activities before the chill of October settles in.
As September rolls in, Interlochen experiences a gentle decline in daylight hours, with an average of 12 hours illuminating the day. Following the summer months, where July and June basked in a generous 15 hours of sunlight, this transition signals a shift toward the shorter days of autumn. The daylight duration dipped from 14 hours in May to 12 hours in September, reflecting nature's gradual preparation for the colder months ahead. This pattern of decreasing daylight after the vibrant summer months underscores the rhythm of the seasons, inviting residents to savor the rich hues of early fall while they still can. As October approaches, the daylight will further recede to 10 hours, reminding us of the cyclical beauty of time.
As September rolls in, Interlochen experiences a refreshing shift in wind dynamics, with an average wind speed of 3.9 m/s (9 mph). This marks a slight increase from the summer months, where gentle breezes hovered around 3.2 m/s (7 mph) in both July and August. The arrival of autumn brings a subtle boost, hinting at invigorating change as the winds begin to pick up momentum. Interestingly, this trend foreshadows the stronger gusts that follow in the coming months, with average speeds hitting 4.7 m/s (11 mph) in November and 5.0 m/s (11 mph) by December. The gentle yet noticeable transition in September not only ushers in cooler temperatures but also prepares the landscape for the blustering winds of winter.
The weather in Interlochen 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 Interlochen and find detailed weather information for every month.
September and January present starkly contrasting weather patterns. September typically features warmer temperatures, with a minimum of 1°C (35°F) and an average of 17°C (62°F), peaking at a maximum of 33°C (91°F). This month experiences about 81 mm (3.2 in) of precipitation over 11 days, accompanied by relatively high humidity at 79%. In contrast, January brings much colder conditions, with temperatures dropping to a minimum of -24°C (-10°F) and an average of -4°C (24°F), reaching a maximum of only 10°C (51°F). Precipitation is lighter in January, measuring 55 mm (2.2 in) over 12 days, while humidity rises to 91%, contributing to the chill of the winter atmosphere. For a closer look at January weather specifics, you can check Interlochen weather in January.
In September, the weather is notably milder, with temperatures ranging from a chilly 1°C (35°F) to a warm 33°C (91°F) and an average of 17°C (62°F). This month experiences relatively high humidity at 79% and a total precipitation of 81 mm (3.2 in) over about 11 days. In contrast, February brings much colder conditions, where temperatures can drop as low as -20°C (-3°F) with an average temperature of -5°C (24°F), peaking at just 14°C (57°F). Despite having less rainfall at 60 mm (2.3 in) over 13 days, February's higher humidity of 91% adds to the chill. For more detailed insights, you can check Interlochen weather in February.
September and March present contrasting weather conditions, serving as transitional months in the year. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 33°C (91°F), with an average of 17°C (62°F) and humidity at 79%. The month also sees about 81 mm (3.2 in) of precipitation over 11 days. In contrast, March experiences much colder temperatures, with a minimum of -17°C (2°F), an average of 0°C (32°F), and a maximum of 20°C (68°F). The precipitation in March is slightly lower at 60 mm (2.4 in), also spread over 11 days, accompanied by higher humidity at 87%. For more detailed insights on March weather, you can check Interlochen weather in March.
In comparing the weather of September and April, we see a marked contrast. September boasts a much warmer average temperature of 17°C (62°F), with maximums reaching as high as 33°C (91°F), while April has a cooler average temperature of just 5°C (42°F) and can experience minimums as low as -14°C (7°F). Additionally, both months see a fair amount of precipitation, with September receiving 81 mm (3.2 in) over 11 days and April slightly more at 98 mm (3.8 in) over 13 days. Humidity levels are also higher in April at 87%, compared to 79% in September. For more detailed insights on April weather, visit Interlochen weather in April.
When comparing the weather in September and May, several key differences emerge. September boasts a broader temperature range, with minimums around 1°C (35°F) and maximums reaching up to 33°C (91°F), providing a warm average of 17°C (62°F). In contrast, May experiences cooler temperatures, ranging from a low of -2°C (29°F) to a high of 32°C (90°F), with an average of only 13°C (55°F). Precipitation is notably higher in May, totaling 117 mm (4.6 in) over 12 days, compared to September's 81 mm (3.2 in) across 11 days, while humidity levels remain similar, with May at 82% and September at 79%. For more detailed weather insights, you can check Interlochen weather in May.
When comparing the weather in September and June, both months experience similar maximum temperatures, peaking at around 33°C (91°F in September and 92°F in June). However, September tends to be slightly cooler overall, with an average temperature of 17°C (62°F) compared to June's 18°C (65°F). Precipitation is higher in June, with 107 mm (4.2 in) compared to September's 81 mm (3.2 in), despite both months seeing rain on about 11 days. The humidity levels remain consistent at 79% for both months, contributing to the overall comfort level. For more detailed insights, check out Interlochen weather in June.
July and September exhibit distinct weather patterns, with July being generally warmer and more humid. In July, temperatures range from a minimum of 11°C (51°F) to a maximum of 34°C (94°F), with an average of 21°C (71°F) and occasional rainfall totaling 105 mm (4.1 in) over 10 days. In contrast, September experiences cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 33°C (91°F), averaging 17°C (62°F). Additionally, September has slightly less precipitation at 81 mm (3.2 in), spread over 11 days, though it maintains higher humidity at 79%. For those interested in a deeper look, check out Interlochen weather in July.
In September, temperatures exhibit a wider range compared to August, with minimums dropping to 1°C (35°F) and maximums reaching 33°C (91°F). In contrast, August features a milder temperature range, with minimums around 8°C (46°F) and maximums peaking at 31°C (89°F). While September brings slightly less precipitation at 81 mm (3.2 in) compared to August’s 91 mm (3.6 in), both months experience rainfall on approximately 11 days. Additionally, September shows a slightly higher humidity level at 79%, compared to August's 76%. For more detailed insights, you can check Interlochen weather in August.
In September, the weather is characterized by a wide temperature range, with minimums around 1°C (35°F) and maximums reaching up to 33°C (91°F), averaging a mild 17°C (62°F). However, the month experiences considerable rainfall, with 81 mm (3.2 in) over 11 days and a humidity level of 79%. In contrast, October brings cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (51°F), while maximums decrease to 26°C (79°F). Rainfall increases to 127 mm (5.0 in) over 17 days, and humidity also rises slightly to 83%. For detailed information about weather patterns during this month, check out Interlochen weather in October.
September and November present contrasting weather patterns. September often boasts a mild average temperature of 17°C (62°F), with maximum highs reaching up to 33°C (91°F), showcasing the tail end of summer warmth. In contrast, November's average temperature drops significantly to 3°C (37°F), with minimums plummeting to -11°C (13°F) during the night. While September experiences higher precipitation levels (81 mm or 3.2 in) over 11 days, November sees slightly less rainfall at 71 mm (2.8 in) across 12 days. Additionally, November has a higher humidity level at 86% compared to September's 79%. For more detailed weather information about November, you can check Interlochen weather in November.
September and December present stark contrasts in weather. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 33°C (91°F), with an average of 17°C (62°F), making it a warm month overall. However, December brings much cooler conditions, with temperatures dipping as low as -17°C (2°F) and averaging -1°C (30°F), peaking at a modest 15°C (59°F). While September sees a total precipitation of 81 mm (3.2 in) over 11 days, December has slightly lower precipitation at 71 mm (2.8 in) but occurs over a longer stretch of 15 days. Additionally, humidity levels are higher in December at 87%, compared to 79% in September. For more detailed information, you can refer to Interlochen weather in December.
As September arrives in Interlochen, the weather begins to transition from the warm embrace of summer to the crispness of autumn. This month showcases a wider range of temperatures, with maximums soaring to 33°C (91°F) while also dipping to cooler evenings around 1°C (35°F). The significant humidity at 79% coupled with 81 mm of rainfall over 11 days adds a refreshing yet damp feel to the air, setting a stark contrast to the typically drier summer months. This blend of warmth and moisture fosters a vibrant landscape, welcoming the changing leaves and preparing for the chilly months ahead. For a deeper dive into what to expect throughout the year, check out Interlochen Climate.