September Weather in Bear Rocks, United States

Last updated: February 24, 2025

In September, Bear Rocks, United States, experiences a dynamic range of weather conditions that showcase the transition into autumn. With maximum temperatures reaching a warm 33°C (91°F) and an average temperature of 19°C (67°F), the month offers a mix of summer warmth and cooler nights, dipping as low as 3°C (38°F). Rainfall is prevalent, with a total of 112 mm (4.4 in) spread over 10 days, contributing to a humidity level of 68% that envelops the landscape in a refreshing embrace. This blend of temperatures and precipitation creates an inviting atmosphere for outdoor enthusiasts and nature lovers enjoying the vibrant changes of the season.

September Temperature in Bear Rocks

As September rolls into Bear Rocks, the transition to autumn becomes evident in the temperatures. With a minimum of 3°C (38°F) and a comfortable average of 19°C (67°F), the month marks a clear shift from the summer heat, peaking at a maximum of 33°C (91°F). This delightful weather invites outdoor adventures, showcasing a landscape tinged with early fall colors, while still retaining a hint of summer's warmth. Unlike the biting cold of January and the gradual warming of spring, September offers a balanced climate, perfect for enjoying the crisp air and the vibrant beauty typical of early autumn.

September Weather in Bear Rocks: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bear Rocks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303541516169737266564136
Data source: Temperature data for Bear Rocks 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 Bear Rocks

In September, Bear Rocks experiences a modest precipitation total of 112 mm (4.4 in), indicative of a slight decrease compared to the wetter summer months. This drop aligns with the trend of diminishing rainfall as the region transitions into fall, resulting in wetter months earlier in the year, such as May and June, which record over 150 mm each. Interestingly, September also sees fewer precipitation days, averaging just 10 days, marking one of the most consistent months of the year in terms of dry weather. As autumn approaches, this combination of reduced rain and fewer wet days becomes a hallmark of the season, setting the stage for the changing landscape as the leaves begin to turn.

September Precipitation Trends in Bear Rocks

The chart displays monthly precipitation patterns in Bear Rocks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec951391201331511621178911211692127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bear Rocks

In September, Bear Rocks experiences a noticeable shift in humidity, with levels reaching 68%. This marks a transition from the drier summer months, where July and August saw humidity drop to 70% and 59% respectively. As the fall season approaches, humidity gradually rises again, hinting at the impending cooler temperatures of autumn. Throughout the year, the area remains quite humid with January through April consistently showcasing levels above 84%. The significant dip during the peak summer months suggests that while Bear Rocks may enjoy sunnier days, it is still subject to the cyclical nature of its humid climate, with trends indicating a return to the higher humidity typical in the late fall and winter months.

September Average Humidity in Bear Rocks

This chart illustrates the average monthly humidity levels in Bear Rocks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bear Rocks

In September, Bear Rocks experiences a UV Index of 8, categorized as very high, which means that sun exposure can lead to skin burns in just 15 minutes. This slight decrease from the peak summer months, where the UV Index has consistently reached 10, still demands caution during outdoor activities. As the days grow shorter and temperatures begin to cool, it's crucial to remain vigilant about sun protection; even as fall approaches, the sun's rays can still pose a significant risk. With the UV Index gradually tapering off into the autumn months, a careful approach to sun exposure is still advisable. For more details on the UV Index throughout the year, visit Bear Rocks UV Index.

Maximum UV Index Levels in Bear Rocks for September

The chart shows the monthly maximum UV Index (UVI) for Bear Rocks 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108643
Data source: Bear Rocks 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 Bear Rocks

As September unfolds in Bear Rocks, the days continue to bask in golden sunshine, boasting an impressive 279 hours of sunlight. This marks a gentle decline from the peak of summer, where July shines brightest with 337 hours. As autumn approaches, we see a transition; August's 314 hours fade into September's warmth, and the daylight gradually yields to the crispness of fall. This pattern reflects a steady progression from the thriving vitality of summer into the serene embrace of autumn, where daylight hours will soon continue to taper towards the winter months. With 271 hours in May and a rising trend peaking in mid-summer, Bear Rocks captures a vibrant energy that softens beautifully into September's gentle glow, promising cozy evenings and the rich colors of changing leaves.

Monthly Sunshine Duration in Bear Rocks: September Highlighted

The September sunshine duration represents the total number of hours Bear Rocks 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.
JanFebMarAprMayJunJulAugSepOctNovDec109h137h228h237h271h301h337h314h279h228h180h145h
Data source: Bear Rocks September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bear Rocks During September

September in Bear Rocks, United States, marks a delightful transition into autumn, characterized by an increased likelihood of sunny weather. With a 51% chance of sunshine, it's the most favorable month for basking in the sun compared to the earlier months of the year. This rise in sunny days from the summer months—where the chances hover around the low 40%—suggests that September is not only a time to enjoy the lingering warmth but also a great opportunity to witness the beautiful fall foliage. As the year progresses into October, the likelihood of clear days drops to 35%, highlighting September as a sweet spot for outdoor enthusiasts seeking sunny adventures before the chill of fall sets in.

Percentage of Sunny Days in September in Bear Rocks

The chart illustrates the percentage of sunny days in Bear Rocks 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 Bear Rocks experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%20%47%41%36%38%43%41%51%35%40%29%
Data source: Bear Rocks September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bear Rocks in September

As September arrives in Bear Rocks, the rhythm of daylight takes a noticeable turn, with the sun gracing the skies for 12 hours each day. This marks a gradual decline from the summer's peak, where July basked in an abundant 14 hours of sunlight. Following the vibrant blooms of summer, September’s daylight sets the stage for the early whispers of autumn, a transition that reflects a natural ebb and flow. Compared to its predecessors, the month captures a sense of balance, as the transition leads into the shorter days of October, reminding us that nature prepares for its seasonal slumber. As daylight diminishes, the crispness in the air invites cozy evenings and the promise of colorful foliage ahead.

Average Daylight Hours in Bear Rocks for September

The chart illustrates the variation in daylight duration in Bear Rocks throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 40m10h 41m11h 58m13h 17m14h 24m14h 57m14h 39m13h 39m12h 24m11h 5m9h 56m9h 21m
Data source: Bear Rocks daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bear Rocks

As September arrives in Bear Rocks, the wind begins to stir with an average speed of 2.9 m/s (7 mph), a pleasant uptick from the quieter summer months. After a steady decline from 2.4 m/s in July to an almost tranquil 2.0 m/s in August, the breezes return to a more invigorating pace, hinting at the onset of autumn. This gentle resurgence signals a transition, as September’s winds lay the groundwork for October and November, where speeds gradually increase to 3.0 m/s and 3.2 m/s respectively. Notably, the year's highest winds typically peak in the colder months of January, February, and December, reinforcing the seasonal rhythm that defines Bear Rocks. Overall, September does not just mark the end of summer; it brings a refreshing change, preparing nature for the vibrant shifts ahead.

Average September Wind Speed in Bear Rocks

The chart displays monthly wind speed patterns in Bear Rocks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.33.63.42.52.52.42.02.9 m/s3.03.23.4
Data source: Bear Rocks September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bear Rocks Compares to Other Months

The weather in Bear Rocks 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 Bear Rocks and find detailed weather information for every month.

September and January present strikingly different weather patterns. In September, temperatures range from a mild minimum of 3°C (38°F) to a warm maximum of 33°C (91°F), with an average temperature of 19°C (67°F). The month sees a total precipitation of 112 mm (4.4 in) spread over 10 days, and humidity levels hover around 68%. In contrast, January is characterized by much colder temperatures, with a minimum of -27°C (-16°F) and a maximum of 21°C (70°F), resulting in an average of -1°C (31°F). Although January experiences slightly less precipitation at 95 mm (3.8 in) over 15 days, the humidity is notably higher at 86%. For a closer look at weather conditions, you can check out Bear Rocks weather in January.

September and February present strikingly contrasting weather conditions. In September, temperatures range from a mild 3°C (38°F) at night to a warm average of 19°C (67°F) during the day, peaking at a sweltering 33°C (91°F), accompanied by moderate humidity levels of 68%. The month sees about 112 mm (4.4 in) of precipitation over approximately 10 days. Conversely, February experiences frigid temperatures, with lows plummeting to -25°C (-13°F) and a chilly average of 2°C (35°F), reaching a maximum of 24°C (76°F). This winter month is also wetter, with 139 mm (5.5 in) of precipitation spread over 17 days and higher humidity at 86%. For more detailed insights on February weather, visit Bear Rocks weather in February.

In comparing the weather of September and March, a noticeable contrast emerges. September enjoys a milder temperature range, with averages around 19°C (67°F) and maximums peaking at 33°C (91°F). In this month, precipitation totals about 112 mm (4.4 in) across roughly 10 days, accompanied by moderate humidity levels of 68%. Conversely, March presents a chillier profile, featuring a lower average temperature of 5°C (41°F) and minimums that can plunge to -16°C (4°F). Precipitation is higher at 120 mm (4.7 in), occurring over 15 days, and the humidity escalates to 86%. For a closer look at the weather conditions in March, visit Bear Rocks weather in March.

In September, the weather tends to be warm with average temperatures around 19°C (67°F), peaking at a high of 33°C (91°F), and a moderate level of humidity at 68%. Conversely, April experiences cooler temperatures, with an average of 10°C (51°F), and lows plunging to -6°C (22°F). Both months see significant precipitation, with September recording 112 mm over about 10 days, while April sees a slightly higher total of 133 mm across 16 days, resulting in a humidity level of 84%. For more detailed insights into April weather, visit Bear Rocks weather in April.

September generally offers warmer temperatures compared to May, with average highs reaching 33°C (91°F) versus May's maximum of 30°C (86°F). However, May typically starts off cooler with minimum temperatures dropping to -3°C (27°F), compared to September’s milder minimum of 3°C (38°F). In terms of precipitation, May is wetter, receiving 151 mm (6.0 in) over 18 days, while September has 112 mm (4.4 in) over only 10 days. Additionally, humidity levels are slightly higher in May at 78%, compared to September's 68%. For a more detailed look at the weather conditions during this month, check out Bear Rocks weather in May.

When comparing the weather in September and June, both months exhibit relatively mild temperatures, but there are notable differences in precipitation and humidity. September boasts a wider temperature range with a minimum of 3°C (38°F) and a maximum of 33°C (91°F), averaging around 19°C (67°F). In contrast, June has slightly higher minimum and average temperatures, with lows of 5°C (41°F) and an average of 20°C (69°F), while maximum temperatures reach 32°C (90°F). However, June experiences more rainfall, accumulating 162 mm (6.4 in) over 16 days, compared to September's 112 mm (4.4 in) over 10 days. Additionally, June's humidity is higher at 79%, while September maintains a lower humidity level of 68%. For more detailed information on June weather, you can visit Bear Rocks weather in June.

In comparing the weather of September and July, we observe notable differences in temperature and precipitation patterns. September features a broader temperature range, with minimums dropping to 3°C (38°F) and maximums reaching up to 33°C (91°F), resulting in an average temperature of 19°C (67°F). In contrast, July tends to be warmer, with a minimum of 12°C (54°F) and an average of 23°C (74°F), peaking at 34°C (94°F). Additionally, while September receives slightly less precipitation at 112 mm (4.4 in) over about 10 days, July experiences 117 mm (4.6 in) spread over 15 days, suggesting more frequent rainfall during the summer month. Humidity levels are relatively similar, with September at 68% and July at 70%. For more specific insights into the weather during July, you can check Bear Rocks weather in July.

In comparing the weather between August and September, we notice distinct differences in temperature and precipitation. September experiences a wider temperature range with minimums dropping to 3°C (38°F) and maximums peaking at 33°C (91°F), while August maintains milder conditions with minimums around 9°C (49°F) and a slightly higher maximum of 34°C (93°F). Additionally, September has more precipitation at 112 mm (4.4 inches) over 10 days, compared to August's 89 mm (3.5 inches) over 13 days. The humidity is also notably higher in September at 68%, versus 59% in August. For a closer look at August's climate specifics, you can refer to Bear Rocks weather in August.

September and October exhibit distinct differences in weather patterns. September typically features a broader temperature range with a minimum of 3°C (38°F) and an average high of 33°C (91°F), making it feel more summery. In contrast, October sees cooler temperatures, with a minimum dipping to -2°C (28°F) and an average high of 30°C (87°F). Both months experience significant precipitation, with September totaling 112 mm (4.4 in) over 10 days and October slightly higher at 115 mm (4.5 in) over 13 days. Additionally, humidity levels rise from 68% in September to 80% in October, contributing to a chillier atmosphere. For more detailed insights, you can check Bear Rocks weather in October.

September and November present striking contrasts in weather conditions. In September, temperatures range from a mild minimum of 3°C (38°F) to a warm maximum of 33°C (91°F), with an average of 19°C (67°F), making it a pleasant month for outdoor activities. However, it also sees significant precipitation at 112 mm (4.4 in) over about 10 days, accompanied by 68% humidity. In contrast, November experiences much colder temperatures, with a minimum dropping to -11°C (13°F) and an average of just 5°C (42°F). Despite having a maximum of 25°C (77°F), the overall chill is evident, especially with higher humidity levels at 86% and precipitation of 92 mm (3.6 in) across 12 days. For a more detailed look at the weather during this month, check out Bear Rocks weather in November.

September and December present striking contrasts in weather conditions. September typically enjoys a warmer temperature range, with daytime highs reaching up to 33°C (91°F) and an average of 19°C (67°F). In comparison, December brings a chill, with minimum temperatures plummeting to -18°C (0°F) and an average of just 2°C (36°F). Both months experience notable precipitation, with September seeing around 112 mm (4.4 in) over 10 days, while December has slightly higher precipitation at 127 mm (5.0 in) over 15 days. Additionally, December boasts higher humidity levels at 85%, compared to September’s 68%. For more insights on December weather specifics, you can check Bear Rocks weather in December.

Compare Bear Rocks's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bear Rocks

As September unfolds at Bear Rocks, it marks a distinct transition from the warmer summer months, introducing a blend of cooler temperatures accompanied by increased humidity. Days are still warm enough for outdoor activities, yet the chill of autumn begins to creep in during the evenings. This shift is amplified by the notable precipitation, with rain making an appearance across ten days, nurturing the vibrant foliage that heralds the season's change. For those interested in the broader climatic patterns of Bear Rocks, more insights can be found at Bear Rocks Climate.