September Weather in Punxsutawney, United States

Last updated: February 24, 2025

September weather in Punxsutawney, United States reveals a delightful transition into autumn, with average temperatures hovering around 18°C (65°F). The month sees maximum highs reaching up to 31°C (89°F), while lows can dip to a brisk 2°C (35°F). With 126 mm (5.0 in) of precipitation spread across 11 days, a mix of sunny and rainy spells is typical. Humidity levels average 67%, creating a refreshing atmosphere ideal for enjoying the changing landscape. Embrace the charm of September as Punxsutawney showcases its stunning seasonal shifts!

September Temperature in Punxsutawney

In September, Punxsutawney begins to shake off the heat of summer, welcoming cooler days with a minimum temperature of 2°C (35°F) and an average that settles at a comfortable 18°C (65°F). The peak temperatures can still reach a balmy 31°C (89°F), making this month a transitional period where the remnants of summer linger just before autumn’s arrival. As autumn approaches, there’s a distinct shift from the high heat of July and August, with September offering a blend of warm days and crisp nights. This month not only showcases a shift in temperatures but also sets the stage for the vibrant fall colors that will soon adorn the landscape.

September Weather in Punxsutawney: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Punxsutawney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec283238485967727064543933
Data source: Temperature data for Punxsutawney generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Punxsutawney

In September, Punxsutawney experiences a noteworthy shift in its precipitation patterns, receiving 126 mm (5.0 in) of rain over 11 days. This marks a slight increase from August's 101 mm (4.0 in), despite fewer days of rainfall. The transition into fall typically brings a mix of weather, and September's precipitation contributes to the region's lush landscapes. While summer months generally showcase higher rainfall, September's robust totals reflect the changing season, hinting that autumn is ushering in wetter conditions. As the year progresses, these trends suggest a rhythm of precipitation that aligns well with the natural cycles of the area, resulting in a vibrant environment as the leaves begin to turn.

September Precipitation Trends in Punxsutawney

The chart displays monthly precipitation patterns in Punxsutawney, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec9812310513415113312910212612298107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Punxsutawney

In September, Punxsutawney experiences a modest rise in humidity, reaching 67%, following the notable decline over the summer months. As the year transitions into the fall, humidity levels begin to stabilize, reflecting a gradual return to the consistent higher levels seen earlier in the year. This trend indicates a shift from the drier summer air, which saw a low of 74% in July and 64% in August, towards the more humid conditions typical of the late year, as evidenced by the significant increase to 81% in October. This pattern not only highlights the cyclical nature of humidity in Punxsutawney but also sets the stage for the cozy, moisture-laden atmosphere that characterizes the autumn months ahead.

September Average Humidity in Punxsutawney

This chart illustrates the average monthly humidity levels in Punxsutawney, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Punxsutawney

As September rolls into Punxsutawney, the UV Index stands at 8, indicating a very high level of exposure that necessitates caution during outdoor activities. Following the peak summer months, where the UV Index reached an intense 10, there’s a slight dip as we transition into fall. However, with a burn time of just 15 minutes, it’s crucial to remember that protection from harmful rays remains essential. This month marks a continuation of the elevated UV levels experienced in July and August, showing a trend of persistent sun intensity as seasons change. For those planning to enjoy the beautiful early autumn days, be sure to check out the forecast for the UV Index to stay safe and sun-smart. You can find more details here: Punxsutawney UV Index.

Maximum UV Index Levels in Punxsutawney for September

The chart shows the monthly maximum UV Index (UVI) for Punxsutawney in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Punxsutawney September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Punxsutawney

As summer begins to fade, September in Punxsutawney welcomes a delightful transition with 274 hours of sunshine. This month marks a noticeable dip from the sun-drenched months of July and August, which boast a high of 326 and 313 hours respectively. However, September still shines brighter than the earlier months of the year, showing a significant increase compared to the 153 hours in November and the 120 hours in December. This trend illustrates the lingering warmth of summer while hinting at the cooler days ahead, inviting residents and visitors alike to enjoy the golden hues of early autumn amidst the vibrant landscape.

Monthly Sunshine Duration in Punxsutawney: September Highlighted

The September sunshine duration represents the total number of hours Punxsutawney experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec96h131h209h234h261h304h326h313h274h212h153h120h
Data source: Punxsutawney September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Punxsutawney During September

In September, Punxsutawney experiences a notable increase in sunny days, with a 44% chance of sunshine, making it one of the sunniest months of the year. This rising trend becomes apparent as late summer gives way to early autumn, with September's sunshine likelihood closely mirroring that of March. Compared to the months leading up to it, such as June and August, which hover around the mid-30s, September stands out, offering a perfect backdrop for outdoor activities and celebrations. As autumn approaches, this uptick signifies a beautiful transition, with clear skies inviting residents and visitors alike to revel in the charm of the season.

Percentage of Sunny Days in September in Punxsutawney

The chart illustrates the percentage of sunny days in Punxsutawney throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Punxsutawney experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%19%45%36%34%39%41%36%44%28%36%24%
Data source: Punxsutawney September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Punxsutawney in September

As summer gracefully transitions into autumn, September brings a notable change in daylight duration in Punxsutawney, United States. With the sun gracing the sky for approximately 12 hours, this month marks a subtle decline from the longer days of summer, which peaked at 15 hours in June. The gradual shortening of daylight hours aligns with the seasonal shift, as daylight decreases further into the fall months of October and November. This rhythmic pattern reflects nature's cycle, as the vibrant energy of summer gives way to the cozy embrace of autumn, a time for reflection and preparation for the shorter days ahead.

Average Daylight Hours in Punxsutawney for September

The chart illustrates the variation in daylight duration in Punxsutawney throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 36m10h 38m11h 58m13h 19m14h 28m15h 3m14h 44m13h 42m12h 24m11h 3m9h 52m9h 16m
Data source: Punxsutawney daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Punxsutawney

As summer transitions to fall, September in Punxsutawney brings a refreshing change in the air, with average wind speeds climbing back to 3.2 m/s (7 mph). This slight increase reflects a departure from the notably calmer summer months, where winds dipped to an average of 2.2 m/s (5 mph) in August. Through the year, September marks a notable rebound from the tranquil winds of July and August, hinting at the brisker days to come. This shift prepares the landscape for the vibrant colors of autumn, while the gentle winds still whisper the remnants of summer, creating a perfect blend of seasonal transitions.

Average September Wind Speed in Punxsutawney

The chart displays monthly wind speed patterns in Punxsutawney, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.74.03.52.92.82.62.23.2 m/s3.13.53.7
Data source: Punxsutawney September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Punxsutawney Compares to Other Months

The weather in Punxsutawney 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 Punxsutawney and find detailed weather information for every month.

When comparing the weather in September and January, we can see a stark contrast. September features a much milder temperature range, with minimums around 2°C (35°F) and maximums reaching up to 31°C (89°F), averaging 18°C (65°F). This month experiences significant rainfall, totaling 126 mm (5.0 in) over about 11 days, with a humidity level of 67%. In contrast, January offers a much colder environment, where temperatures can plunge to a minimum of -24°C (-12°F) and only peak at 19°C (67°F), averaging -2°C (28°F). Despite slightly lower precipitation levels at 98 mm (3.9 in) over 14 days, January's humidity is notably higher at 89%. For a closer look at what January weather looks like, you can explore Punxsutawney weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 2°C (35°F) at night to a warm 31°C (89°F) during the day, with an average of 18°C (65°F). This month experiences about 126 mm (5.0 in) of precipitation spread over 11 days, accompanied by a relative humidity of 67%. In contrast, February faces much colder temperatures, with nighttime lows plunging to -24°C (-12°F) and daytime highs reaching only up to 22°C (72°F), resulting in an average of 0°C (32°F). The month sees a similar precipitation level of 123 mm (4.9 in) but over more days, totaling 16, and a higher humidity of 90%. For a more detailed look at February weather, check Punxsutawney weather in February.

September and March exhibit stark contrasts in weather characteristics. In September, temperatures range from a mild 2°C (35°F) at night to a warm 31°C (89°F) during the day, with an average of 18°C (65°F). This month experiences about 126 mm (5.0 in) of precipitation over 11 days, accompanied by a moderate humidity level of 67%. In comparison, March brings much cooler temperatures, with lows plunging to -14°C (6°F) and highs reaching only up to 21°C (71°F), averaging just 3°C (38°F). Although March sees slightly less precipitation at 105 mm (4.1 in) over 15 days, the humidity is notably higher at 89%. For a detailed look at specific weather conditions, you can refer to Punxsutawney weather in March.

The weather in September is generally warmer compared to April, with average temperatures ranging from a low of 2°C (35°F) to a high of 31°C (89°F), while April experiences cooler temperatures with a minimum of -6°C (22°F) and a maximum of 27°C (81°F). Both months have significant precipitation, with September totaling 126 mm (5.0 in) over about 11 days, and April slightly higher at 134 mm (5.3 in) over 15 days. It's also worth noting that April tends to be more humid, with an average humidity of 88%, compared to 67% in September. For more specific details about April weather, you can visit Punxsutawney weather in April.

When comparing the weather in September and May, some notable differences emerge. September typically experiences a wider temperature range, with minimums around 2°C and maximums peaking at 31°C, offering a comfortable average of 18°C. In contrast, May starts slightly cooler with a minimum of -3°C and reaches a maximum of 30°C, averaging at 15°C. Precipitation is more frequent in May with 17 rainy days, compared to September's 11 days, and May also has a higher total rainfall of 151 mm against September's 126 mm. Additionally, May's humidity at 80% makes it feel a bit more muggy compared to September's 67%. For more detailed information, you can visit Punxsutawney weather in May.

When comparing the weather in September and June, we see some notable differences. September's temperatures range from a minimum of 2°C (35°F) to a maximum of 31°C (89°F), with an average of 18°C (65°F). In contrast, June is slightly warmer, with temperatures ranging from 3°C (38°F) to a maximum of 33°C (91°F) and an average of 20°C (67°F). Both months experience a fair amount of precipitation, with September receiving 126 mm (5.0 in) over 11 days, while June has slightly higher precipitation at 133 mm (5.3 in) across 15 days. Additionally, June tends to be more humid, with 79% humidity compared to September's 67%. For more specific insights, check out Punxsutawney weather in June.

In comparing the weather of September and July, September tends to be milder with a minimum temperature of 2°C (35°F), compared to July's higher minimum of 10°C (50°F). The average temperatures also reflect this shift, as September averages 18°C (65°F) while July boasts a warmer average of 22°C (72°F). However, July reaches a maximum of 36°C (96°F), which is significantly hotter than September's peak of 31°C (89°F). Both months experience substantial precipitation, with September seeing 126 mm (5.0 in) over 11 days and July slightly higher at 129 mm (5.1 in) over 16 days. Additionally, humidity levels are higher in July at 74%, compared to September's 67%. For more detailed information on July weather, you can visit this link: Punxsutawney weather in July.

In comparison to August, September experiences a notable drop in minimum temperatures, with September's lows reaching 2°C (35°F) compared to August's milder 9°C (49°F). The average temperature in September is 18°C (65°F), slightly cooler than August's average of 21°C (71°F). On the other hand, September tends to be drier, with 126 mm (5.0 in) of precipitation over 11 days, while August has 101 mm (4.0 in) of rain across 14 days. Humidity also sees a slight increase in September, averaging 67% compared to 64% in August. For more detailed information on August weather, check out Punxsutawney weather in August.

September generally showcases warmer temperatures, with averages around 18°C (65°F) and maximums reaching up to 31°C (89°F), while October sees a marked decrease, with average temperatures falling to 12°C (54°F) and minima dipping to -3°C (27°F). Both months experience significant precipitation, though September has slightly higher rainfall at 126 mm (5.0 in) compared to October's 122 mm (4.8 in). Humidity levels also rise in October, peaking at 81%, compared to September's 67%. For a more detailed look at October weather, you can check out Punxsutawney weather in October.

September generally presents milder and more pleasant weather compared to November. With average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 31°C (89°F), September offers warm days and cool evenings, while November experiences colder conditions with temperatures dropping as low as -12°C (10°F) and averaging only 4°C (39°F). Additionally, September's humidity levels are lower at 67%, making it feel more comfortable, whereas November sees higher humidity at 89%, contributing to a colder and more damp atmosphere. Rainfall is also notable in both months, with September recording 126 mm (5.0 in) over 11 days and November slightly less at 98 mm (3.8 in) over 13 days. For a detailed look at November's weather patterns, you can check out this link: Punxsutawney weather in November.

September and December offer contrasting weather experiences. In September, temperatures range from a mild 2°C (35°F) at night to a warm 31°C (89°F) during the day, with an average of 18°C (65°F). The month sees about 126 mm (5.0 in) of precipitation over 11 days, and humidity sits at a comfortable 67%. In stark contrast, December temperatures drop significantly, with lows reaching -15°C (5°F) and daytime highs averaging only 1°C (34°F), peaking at 17°C (63°F). Precipitation is slightly lower at 107 mm (4.2 in) but occurs more frequently over 14 days, accompanied by a higher humidity level of 88%. The notable moodiness of December weather is encapsulated further in the details available at Punxsutawney weather in December.

Compare Punxsutawney's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Punxsutawney

As September unfolds in Punxsutawney, the weather takes a noticeable turn, signaling the arrival of autumn. Temperatures peak at a warm yet manageable level, offering a pleasant retreat from the summer heat, while cooler nights invite cozy evenings. The month is marked by a moderate level of precipitation, with rain making its appearance on about one-third of the days, contributing to the lush landscapes that characterize this season. Additionally, a hint of humidity lingers in the air, adding to the overall warmth despite the cooling trend. This transitional period showcases a delightful balance, embodying the essence of fall. For a more detailed overview of the seasonal shifts and climate patterns, visit Punxsutawney Climate.