Last updated: February 24, 2025
In September, Kenai, United States experiences a blend of cool and moist conditions, with a maximum temperature reaching 19°C (66°F) and an average of 11°C (53°F). The minimum dips to 1°C (35°F), prompting a brisk feel in the air. This month sees notable precipitation, totaling 118 mm (4.6 in) over approximately 16 days, contributing to an impressive humidity level of 97%. The atmospheric conditions make September a quintessential herald of autumn, where breathtaking landscapes are painted with crisp air and frequent rain showers.
In September, Kenai experiences a subtle transition from the warmth of summer to the crisp embrace of fall. With temperatures ranging from a minimum of 1°C (35°F) to a maximum of 19°C (66°F), the average temperature settles around 11°C (53°F), showcasing a noticeable drop compared to the preceding months. This shift marks the beginning of shorter days and cooler evenings, as nature begins to prepare for winter. September also heralds the vibrant hues of autumn, making it a picturesque time for outdoor activities against a backdrop of changing leaves and the stunning Alaskan landscape.
In September, Kenai experiences a notable surge in precipitation, with 118 mm (4.6 in) of rain falling over 16 days. This marks a significant increase compared to the preceding months, particularly August, which recorded 82 mm (3.2 in) over just 12 days. The transition into fall heralds wetter weather, as September's rainfall is the highest for the year so far, setting the stage for October's even more substantial 132 mm (5.2 in). This trend underscores a shift in seasonal dynamics, with the onset of autumn bringing increased moisture to the region, contributing to the lush landscapes Kenai is known for. As the days grow shorter, the frequent rain is a reminder of nature's cyclical changes, preparing the terrain for the winter ahead.
In Kenai, United States, September marks a continuation of the area's characteristic high humidity, with levels peaking at an impressive 97%. This month, nestled between the summer's sweltering 100% humidity in July and the slightly cooler 93% of October, reveals a trend of consistently high moisture content in the air year-round. Notably, the humidity remains elevated as the seasons transition, reflecting a climate that rarely strays far from its damp conditions. Following the summer's oppressive humidity, September stands out as a transitional month, where the lingering warmth meets the encroaching crispness of autumn, yet the moisture remains a steadfast companion through the changing seasons.
As September rolls into Kenai, residents can expect a UV Index of 4, categorized as moderate. This marks a slight decline from the peak summer months, where the index reached a high of 7 in July, indicating a shift towards safer sun exposure. With a burn time of 30 minutes, it's essential to remain mindful of sun protection, especially during midday hours. Overall, September’s UV levels invite a balance of enjoying the outdoors while taking necessary precautions. For more information on UV trends throughout the year, visit Kenai UV Index.
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September in Kenai ushers in a charming transition as summer gently bows to autumn, bringing with it a notable decrease in sunshine hours. With 200 hours of sunlight, the month reflects a gradual tapering from the summer peak, where June dazzles with a vibrant 333 hours and July follows closely behind at 307 hours. As the days grow shorter, September showcases a delightful blend of late sunlit outdoor adventures and the early hints of fall’s embrace, contrasting sharply with the minimal light of winter where December barely reaches 37 hours. This delightful mix of summer's lingering warmth and the crispness of impending fall makes September a captivating time in Kenai, offering both the joy of sunlight and the allure of seasonal change.
In September, Kenai enjoys a decent 33% chance of sunny weather, marking a slight rebound from the summer's fluctuations. After August's higher likelihood of sunshine at 44%, the transition into fall brings a more variable climate. This modest percentage aligns with the overall trend of diminishing sunny days as the year progresses, notably dropping to just 20% by October. Despite the decreasing sunshine, the early fall charm in Kenai still offers opportunities for outdoor activities between the clouds, inviting visitors to experience its crisp, beautiful scenery.
As September unfolds in Kenai, the summer days begin to wane, marking a transition from the sun-drenched months of June and July. With 12 hours of daylight, September strikes a balance between the vibrant light of summer and the encroaching shadows of autumn. This month reflects a gradual decline from August's 15 hours, hinting at the forthcoming shorter days that characterize the end of the year. The noticeable drop in daylight duration signals the natural rhythm of the seasons, reminding residents that fall is just around the corner, as they prepare to embrace the rich colors and cooler temperatures that lie ahead.
As September arrives in Kenai, the winds begin to pick up slightly from the summer lull, with an average speed of 3.5 m/s (8 mph). While this marks a subtle increase, it remains consistent with the gentle breezes of previous months, showcasing a lingering calm that characterizes the region's late summer and early fall transition. Interestingly, September's winds are nearly identical to those recorded in October and November, hinting at a season of stability in wind patterns as nature prepares for the oncoming chill of winter. Overall, this continuity in wind speed not only underscores the area's moderate climate but also invites residents to enjoy the crisp, invigorating air of autumn.
The weather in Kenai 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 Kenai and find detailed weather information for every month.
In comparing the weather between September and January, it's evident that these two months experience vastly different conditions. September showcases a milder range of temperatures, with a minimum of 1°C (35°F) and an average of 11°C (53°F), while the maximum reaches 19°C (66°F). In contrast, January plunges into the cold, with temperatures dropping as low as -20°C (-4°F), averaging -5°C (24°F) and peaking at only 7°C (45°F). Additionally, September sees more precipitation, with 118 mm (4.6 in) over 16 days, compared to January's drier 50 mm (2.0 in) spread across just 9 days. The humidity remains high in both months, at 97% in September versus 95% in January. For those interested in a detailed look at the January weather, visit Kenai weather in January.
September and February present markedly different weather conditions. In September, temperatures range from a chilly 1°C (35°F) at night to a more comfortable 19°C (66°F) during the day, with an average of 11°C (53°F). This month is characterized by significant rainfall, receiving 118 mm (4.6 in) over 16 days, and high humidity levels at 97%. In contrast, February is much colder, with temperatures dipping as low as -16°C (3°F) and averaging around -3°C (26°F). The maximum temperature only reaches 6°C (43°F), and precipitation is notably less, at 54 mm (2.1 in) over 11 days, accompanied by a slightly lower humidity of 95%. For more details, you can check Kenai weather in February.
September and March present notably different weather patterns. In September, temperatures range from a cool 1°C (35°F) at night to a mild maximum of 19°C (66°F) during the day, with an average of 11°C (53°F). This month tends to be quite wet, receiving 118 mm (4.6 in) of precipitation over 16 days, accompanied by high humidity at 97%. In contrast, March experiences much colder conditions, with temperatures plummeting to a minimum of -15°C (5°F) and reaching a maximum of 10°C (50°F), averaging -2°C (29°F). Precipitation is considerably less in March, totaling 37 mm (1.5 in) across just 9 days, while humidity remains relatively high at 90%. For a more detailed look at the weather in March, you can visit Kenai weather in March.
When comparing the weather of September and April, we see notable differences in temperature and precipitation. September tends to be milder, with average temperatures ranging from 1°C (35°F) to a maximum of 19°C (66°F) and a significant amount of rainfall totaling 118 mm (4.6 in) over 16 days. In contrast, April is much colder, with temperatures averaging between -11°C (13°F) and 13°C (55°F), and considerably less precipitation, measuring only 37 mm (1.4 in) over 9 days. Furthermore, April boasts lower humidity levels at 82%, compared to September's sticky 97%. For more detailed insights, you can check out the Kenai weather in April.
When comparing the weather in September and May, it's evident that September generally experiences slightly warmer temperatures, with an average of 11°C (53°F) compared to May's average of 9°C (48°F). While both months can have chilly nights, September tends to reach a maximum temperature of 19°C (66°F), compared to May's max of 20°C (68°F). However, September is notably wetter, with 118 mm (4.6 in) of precipitation spread over 16 days, in contrast to May's 65 mm (2.5 in) over 14 days. Additionally, humidity levels are higher in September at 97%, compared to a more comfortable 85% in May. For more details on the weather conditions during this time, check out Kenai weather in May.
When comparing the weather of September and June, there are notable differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 19°C (66°F), while June boasts milder conditions, ranging from a minimum of 6°C (43°F) to a maximum of 22°C (73°F). Additionally, September sees significantly higher precipitation, averaging 118 mm (4.6 in) over 16 days, compared to June's 43 mm (1.7 in) over just 9 days. Humidity levels are slightly higher in September at 97%, compared to June’s 95%. For more detailed information on June weather, you can visit Kenai weather in June.
In comparing the weather of September and July, it is evident that July experiences significantly warmer temperatures, with average highs reaching 27°C (81°F) compared to September's maximum of only 19°C (66°F). The minimum temperatures in September are notably cooler, starting at just 1°C (35°F), while July's temperatures stay above 9°C (48°F). Additionally, September sees more precipitation, totaling 118 mm (4.6 in) over 16 days, in contrast to July's 67 mm (2.7 in) across 10 days. Humidity levels are remarkably high in both months, with July at 100% and September slightly lower at 97%. For more detailed information on July weather, you can visit Kenai weather in July.
In comparing the weather of September to that of August, notable differences emerge. September experiences cooler temperatures, with a minimum of 1°C (35°F) and an average of 11°C (53°F), while August enjoys milder conditions, with a minimum of 8°C (47°F) and an average of 15°C (58°F). Additionally, September sees significantly more rainfall, accumulating to 118 mm (4.6 inches) across 16 days compared to August's 82 mm (3.2 inches) over 12 days. Humidity levels are almost comparable, with September at 97% and August slightly higher at 99%. For those interested in more details about August weather, you can explore Kenai weather in August.
In September, the weather features milder temperatures ranging from a minimum of 1°C (35°F) to a maximum of 19°C (66°F), with an average of 11°C (53°F). The month experiences a significant amount of rainfall, totaling 118 mm (4.6 in) over 16 days, accompanied by high humidity at 97%. In contrast, October sees a drop in temperatures, with minimums reaching as low as -4°C (24°F) and an average temperature of 6°C (44°F). Precipitation increases slightly to 132 mm (5.2 in) across 17 days, while humidity decreases to 93%. For a more detailed look at the weather specifics, you can visit Kenai weather in October.
In September, temperatures begin to cool with daily averages around 11°C (53°F), and highs reaching up to 19°C (66°F), while experiencing significant precipitation of 118 mm (4.6 in) over 16 days. The weather remains quite humid, hovering at 97%. In contrast, November brings much colder conditions, with average temperatures dropping to 0°C (31°F) and maximums only reaching 9°C (48°F), accompanied by a lower but still substantial precipitation of 94 mm (3.7 in) over 13 days. The humidity remains consistent at 97%, but the frosty minimums plummet to -19°C (-2°F), marking a stark shift from September’s milder climate. For more detailed information about this month's weather in Kenai, check out Kenai weather in November.
In September, the weather is relatively mild, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 19°C (66°F) and an average of 11°C (53°F). The month experiences significant rainfall, totaling 118 mm (4.6 in) over 16 days, coupled with high humidity at 97%. In contrast, December brings much colder conditions, with temperatures plunging to a minimum of -16°C (4°F), an average of -2°C (29°F), and a maximum of 7°C (45°F). Although precipitation decreases slightly to 106 mm (4.2 in) over 17 days, humidity remains high at 98%. For more details on December weather, check out Kenai weather in December.
As September unfolds in Kenai, the weather experiences a notable shift, marking a transition into fall. With cooler temperatures and an increase in humidity, the crispness in the air becomes more pronounced, contrasting sharply with the warmer summer months. Rainfall also becomes more frequent, contributing to the lush landscape that Alaska is famous for, as nearly half of the month sees precipitation. This period serves as a beautiful yet unpredictable time of year, where stunning autumn hues begin to take over the scenery. For a detailed overview of what to expect in this unique month, explore the Kenai Climate page.