Last updated: February 24, 2025
In September, Palmer, United States, experiences a distinct transition into autumn, with maximum temperatures reaching 18°C (65°F) and an average of 7°C (45°F). Nights can be crisp, dipping down to a chilly minimum of -8°C (17°F). This month also brings notable precipitation, accumulating to 127 mm (5.0 in) over 18 days, paired with a high humidity level of 96%. Such conditions create a lush, vibrant landscape, while also inviting the brisk embrace of cooler days ahead.
In September, Palmer, United States, experiences a noticeable transition as summer fades and cooler autumn air sets in. The minimum temperatures drop to -8°C (17°F), offering a stark contrast to the warm months prior. This cooler shift brings the average temperature to a crisp 7°C (45°F) and peaks at a comfortable 18°C (65°F), striking a balance that invites outdoor activities while hinting at the chilly months ahead. As September progresses, residents can feel the gradual embrace of fall, making it a time of both reflection on the bright days of summer and anticipation for the winter chill that will soon envelop the region.
In September, Palmer, United States, experiences a significant shift in precipitation patterns, with 127 mm (5.0 in) of rain falling over 18 days. This marks a slight decrease from August’s peaks but remains a prominent feature as the month transitions into autumn. The increased rainfall in September reflects a trend prevalent throughout the late summer and early fall months, where residents can expect more frequent, albeit moderate, rainfall events. This period serves as a precursor to October, known for its even heavier precipitation, further establishing the rhythm of the seasons in this region. The sustained rainfall not only nourishes the landscape but also highlights the changing climate conditions as Palmer moves toward the wetter months of the year.
In September, Palmer experiences a notable shift in humidity, maintaining a robust 96% that follows the sweltering heights of summer. This month, while slightly lower than the peak of 100% in August, is still indicative of the region's generally high moisture levels. The trend throughout the year reveals a peak in humidity during the warmer months, particularly in July and August, with values often exceeding 100%, creating a lush, almost tropical feel. As autumn approaches, humidity levels decline slightly, yet the overall pattern shows that Palmer remains predominantly humid year-round, with winter months also holding a high average around 91% to 96%. This consistent moisture plays a key role in shaping the local climate, providing a rich environment for flora and fauna alike.
As September rolls into Palmer, the UV Index notably settles at 4, indicating a moderate exposure level. This is a gradual decline from the high readings of 6 in July and August, signaling a shift towards milder sunlight. With a burn time of just 30 minutes, it's essential to stay vigilant about sun protection during outdoor activities. This decrease aligns with the seasonal trend of the UV Index, which showcases a pattern of higher values during the summer months followed by a retreat in the fall. Embrace the beautiful autumn days ahead, but don’t forget that the sun’s rays can still be potent—protect your skin while enjoying the outdoors. For more detailed information on UV exposure in your area, check out Palmer UV Index.
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As September unfolds in Palmer, the end of summer brings a gentle decline in sunshine hours, with the month offering 186 hours of radiant light. This marks a noticeable drop from the sun-drenched days of summer, where June reached its peak with 313 hours. Following a vibrant August, which boasted 259 hours, September serves as a transition, ushering in the cooler autumn days. The trend of dwindling sunshine continues into October with a sharp dip to 130 hours, reflecting the seasonal shift. Though the hours decrease, September’s sunshine still warms the early days of fall, inviting residents to savor the lingering warmth before winter sets in.
In the lush landscape of Palmer, the likelihood of sunny weather in September mirrors the retreat of summer with a 24% chance of sunshine, a figure that is consistent with the cloudy tendencies of late summer. Following the relatively bright April, where the sun graces the skies 50% of the time, September sees a notable drop, bringing it closer to the gloomier mid-winter months. As we transition from summer, marked by 21% in July and 28% in August, September's weather continues this downward trend, suggesting that while sunny days are less frequent, the crisp autumn air brings its own charm.
In September, Palmer, United States, experiences a daylight duration of approximately 12 hours, marking a transition as the days gradually shorten from the long, vibrant days of summer. This month sits at the tail end of a steady increase in daylight from January's meager 6 hours, peaking in June with nearly 19 hours of sunshine. Following the height of summer, daylight begins to wane in September, signaling the start of autumn. As daylight hours taper off, the trend indicates a noticeable shift towards shorter days in the approaching months, with October and November bringing further reductions to just 9 and 7 hours, respectively. This rhythmic pattern of daylight reflects the changing seasons, inviting residents to savor the last remnants of summer before autumn fully sets in.
As September rolls into Palmer, the winds begin to mirror the gentle transition of seasons, with an average wind speed of 1.3 m/s (3 mph). This slight uptick from the summer months, which see consistently low winds, suggests a whispering shift towards autumn. Notably, July and August maintain a calm profile, both holding steady at 1.2 m/s. However, September's breeze, while still mild, indicates the onset of cooler air, paving the way for the energy of the changing leaves ahead. Following September, the wind speed rises slightly again in October, hinting at the invigorating gusts to come as winter approaches. Overall, the data highlights a subtle, yet discernible trend—the winds of Palmer, while generally gentle, begin to swell ever so slightly in response to the shifting seasons.
The weather in Palmer 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 Palmer and find detailed weather information for every month.
September and January present stark contrasts in weather patterns. In September, temperatures range from a chilly -8°C (17°F) at night to a mild 18°C (65°F) during the day, with an average temperature of 7°C (45°F). The month sees substantial rainfall, accumulating 127 mm (5.0 in) over 18 days, and maintains high humidity levels at 96%. Conversely, January is much colder, with temperatures plunging to a minimum of -34°C (-28°F) and averaging -12°C (11°F), peaking at just 2°C (36°F). Precipitation is notably lower at 80 mm (3.1 in) across 12 days, and humidity remains slightly lower at 94%. For a detailed look at January weather in Palmer, check this link: Palmer weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of -8°C (17°F) to an average of 7°C (45°F), peaking at a max of 18°C (65°F). The month experiences significant precipitation, totaling 127 mm (5.0 in) over approximately 18 days, coupled with high humidity at 96%. In comparison, February feels much colder, with temperatures plummeting to a minimum of -25°C (-13°F) and averaging -10°C (15°F), only reaching a maximum of 3°C (38°F). Precipitation during this month is lower at 74 mm (2.9 in), spread across 13 days, and humidity remains fairly high at 93%. For a closer look at conditions during February, you can visit Palmer weather in February.
Comparing the weather in September and March reveals significant differences in temperature and precipitation. In September, temperatures range from a minimum of -8°C (17°F) to a maximum of 18°C (65°F), with an average of 7°C (45°F). This month experiences 127 mm (5.0 in) of precipitation over approximately 18 days and maintains a humidity level of 96%. In contrast, March is notably colder, with temperatures ranging from a low of -25°C (-12°F) to a high of 8°C (46°F) and an average of -7°C (20°F). Precipitation in March is lower, totaling 72 mm (2.8 in) across 12 days, accompanied by a humidity level of 91%. For more information on Palmer's weather specifics in March, you can visit Palmer weather in March.
Comparing the weather in September and April reveals significant differences in temperature and precipitation. In September, temperatures range from a minimum of -8°C (17°F) to a maximum of 18°C (65°F), with an average of 7°C (45°F). This month sees a higher precipitation total of 127 mm (5.0 in) over 18 days, accompanied by high humidity at 96%. In contrast, April experiences colder conditions, with temperatures dipping to a minimum of -19°C (-1°F) and a maximum of 14°C (58°F), averaging around 0°C (33°F). Precipitation is notably lower at 54 mm (2.1 in) over just 10 days, and humidity is also reduced to 85%. For more detailed information, you can check Palmer weather in April.
When comparing the weather in September and May, both months experience cool temperatures, but September tends to be slightly warmer overall. The average temperature in September is 7°C (45°F), with a maximum of 18°C (65°F), while May has a lower average of 5°C (42°F) and a maximum of 19°C (66°F). Precipitation is significantly higher in September, totaling 127 mm (5.0 in) over 18 days compared to May's 75 mm (2.9 in) over 14 days. Additionally, humidity levels are generally higher in September at 96%, compared to 88% in May. For a closer look at the specific conditions in May, check out Palmer weather in May.
In comparing the weather of September and June, it is evident that September experiences cooler temperatures, with an average of 7°C (45°F), compared to June's warmer average of 11°C (51°F). September's maximum temperature reaches only 18°C (65°F), significantly lower than June’s maximum of 25°C (77°F). Additionally, September sees higher precipitation levels, with 127 mm (5.0 in) over 18 days, compared to June's 83 mm (3.3 in) over 20 days. The humidity remains relatively similar, with September at 96% and June at 95%. For a more detailed look at the specific weather conditions in June, visit Palmer weather in June.
When comparing the weather in September and July, there are notable differences in temperature and conditions. September experiences significantly cooler temperatures, with a minimum of -8°C (17°F) and an average of 7°C (45°F), while July enjoys milder conditions with a minimum of 5°C (41°F) and an average of 13°C (56°F). Additionally, July sees a higher maximum temperature of 26°C (79°F) compared to September’s maximum of 18°C (65°F). Precipitation is more frequent in September, totaling 127 mm (5.0 in) over 18 days, compared to July, which receives 89 mm (3.5 in) over 16 days. Interestingly, the humidity is also higher in July at 102% compared to September's 96%. For more detailed insights, you can check Palmer weather in July.
September weather in Palmer is notably cooler than August, with average temperatures dropping from 12°C (53°F) in August to just 7°C (45°F) in September. The maximum temperature also sees a decline, from 23°C (74°F) in August to only 18°C (65°F) in September. While August experiences high humidity at 100%, September’s humidity remains slightly lower at 96%. Additionally, both months see a similar amount of precipitation, with September recording 127 mm (5.0 in) and August slightly higher at 137 mm (5.4 in), though both have precipitation on 18 days. To learn more about the weather in August, visit Palmer weather in August.
In September, the weather tends to be milder, with average temperatures around 7°C (45°F) and a maximum of 18°C (65°F), while October brings a noticeable drop in temperatures, averaging only 1°C (33°F) and peaking at 15°C (59°F). Both months experience significant precipitation, but October sees an increase, with 173 mm (6.8 in) over 19 days compared to September's 127 mm (5.0 in) over 18 days. Humidity remains high in both months, though it slightly decreases in October to 91% from September's 96%. For more detailed information, you can check Palmer weather in October.
September and November exhibit significantly different weather patterns. In September, temperatures range from a minimum of -8°C (17°F) to a maximum of 18°C (65°F), with an average of 7°C (45°F). The month is relatively humid at 96% and experiences 127 mm (5.0 in) of precipitation over 18 days. In contrast, November sees a much colder climate, with temperatures dropping to a minimum of -33°C (-27°F) and averaging -9°C (17°F), peaking at just 4°C (39°F). Precipitation is slightly lower at 114 mm (4.5 in) but occurs over fewer days, totaling 13. Humidity remains high at 95%. Overall, November's frigid conditions starkly contrast with September's milder temperatures. For a more detailed look, you can check Palmer weather in November.
In comparing the weather patterns of September and December, it's evident that December experiences significantly colder temperatures, with minimums plunging to -26°C (-14°F) compared to September's milder minimum of -8°C (17°F). While both months showcase high humidity levels at 96%, the average temperature in December is notably lower at -8°C (17°F) versus September's more comfortable average of 7°C (45°F). Precipitation also increases slightly from September to December, with December recording 142 mm (5.6 in) over 19 days, compared to September's 127 mm (5.0 in) over 18 days. For further insights on the climate during this month, you can refer to Palmer weather in December.
As September arrives in Palmer, the weather begins to transition towards cooler days, with notably lower temperatures than the summer months. While the days are still mild, the nights can turn brisk, inviting a distinct chill in the air. The increase in precipitation is also significant, marking September as one of the wetter months, with rain making an appearance on almost half of the days. Combined with a high humidity level, this creates a unique atmosphere that sets September apart from the sunnier and warmer summer months. To explore more about the climatic patterns of this charming Alaskan town, check out Palmer Climate.