September Weather in The Lakes, United States

Last updated: February 24, 2025

Experience the diverse September weather in The Lakes, United States, where temperatures can soar to a maximum of 32°C (91°F), settling around an inviting average of 18°C (64°F). As the month unfolds, the cool evenings can bring a drop to a minimum of 2°C (36°F). With a total precipitation of 109 mm (4.3 in) over 9 days, expect a blend of crisp, fresh air and occasional rainfall. The humidity lingers at a comfortable 82%, making this month a unique tapestry of pleasant warmth and refreshing breezes.

September Temperature in The Lakes

As summer edges into fall, September in the Lakes, United States brings a delightful shift in temperatures. With minimums settling around a mild 2°C (36°F), the days gradually warm up, reaching an average of 18°C (64°F) and peaking at a cozy 32°C (91°F). This transition reflects a notable decline from the sweltering highs of summer, yet retains enough warmth for outdoor activities. As the leaves begin to turn, September provides a perfect blend of comfortable temperatures and the beauty of autumn in full swing, inviting both locals and visitors to bask in the season's charm.

September Weather in The Lakes: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in The Lakes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec171633435872747064473425
Data source: Temperature data for The Lakes 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 The Lakes

In September, The Lakes region of the United States receives an average precipitation of 109 mm (approximately 4.3 inches), continuing a trend of relatively high rainfall that peaks in the summer months. This amount of precipitation, over 9 days, fits neatly into the pattern of increasing rainfall from the earlier months of the year. Notably, September follows the wetter months of May and August, which see the highest levels of precipitation at 121 mm and 127 mm, respectively. As autumn approaches, the rainfall begins to taper off, setting the stage for the drier months ahead, highlighted by October's average of 93 mm. Thus, September serves as a transitional period, capturing the tail end of a lush summer while hinting at the drier autumn season to come.

September Precipitation Trends in The Lakes

The chart displays monthly precipitation patterns in The Lakes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec26266484121111119127109933041
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in The Lakes

In September, humidity levels in The Lakes hover around a comfortable 82%, maintaining a consistent trend seen throughout the summer months. Following the slight uptick from August’s 83%, September reflects the seasonal shift towards autumn, where humidity generally stabilizes in the lower eighties. Interestingly, this month serves as a bridge, transitioning from the higher humidity of peak summer to the more varied levels of fall, peaking at 89% in February and dipping to 76% in May. Overall, September's humidity paints a picture of moderation, ensuring that the stunning natural beauty of the region remains inviting as it prepares for the cooler autumn months ahead.

September Average Humidity in The Lakes

This chart illustrates the average monthly humidity levels in The Lakes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in The Lakes

As summer fades into fall, September in The Lakes reveals a UV Index of 8, categorizing it as very high, with a burn time of just 15 minutes. This marks a slight decrease from the peak summer months of June and July, which both hit a UV Index of 10 and 9, respectively. Interestingly, while the overall trend shows a decline from the blazing highs of summer, the UV levels remain notably elevated, urging residents and visitors to stay vigilant about sun protection. Whether you’re enjoying the last warm days outdoors or planning activities by the lake, it’s essential to keep sunscreen handy. For more detailed information on the UV Index throughout the year, check out The Lakes UV Index.

Maximum UV Index Levels in The Lakes for September

The chart shows the monthly maximum UV Index (UVI) for The Lakes 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.
JanFebMarAprMayJunJulAugSepOctNovDec3558910998532
Data source: The Lakes 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 The Lakes

As summer gracefully transitions into autumn, September in The Lakes brings a delightful balance of sunshine, boasting 250 hours - a generous offering as days grow shorter. This month stands out as a charming bridge between the peak of summer's sweltering 358 hours in July and the calming embrace of October, draped in 212 hours of sun. Interestingly, September's brightness, though lower than August's vibrant 324 hours, still reflects a remarkable resilience, allowing residents and visitors to revel in the lingering warmth. This period highlights a noteworthy trend: the gradual decline in daylight hours, yet still offering ample opportunity for outdoor adventures amidst the stunning backdrop of autumn foliage.

Monthly Sunshine Duration in The Lakes: September Highlighted

The September sunshine duration represents the total number of hours The Lakes 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.
JanFebMarAprMayJunJulAugSepOctNovDec143h204h235h241h287h344h358h324h250h212h190h186h
Data source: The Lakes September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in The Lakes During September

As summer transitions into fall, September in The Lakes offers a favorable 64% chance of sunny weather, making it one of the sunniest months of the year. This positivity follows the peak summer months of July and August, which boast even higher percentages of sunshine at 62% and 67%, respectively. Although September marks the beginning of a cooler season, it maintains a delightful balance between warmth and the beauty of early autumn foliage. Compared to the more overcast months of April and November, where sunny days plummet to 38% and 42%, September stands out as a perfect time for outdoor adventures, allowing residents and visitors alike to soak in the last rays of summer before the temperatures dip further into fall.

Percentage of Sunny Days in September in The Lakes

The chart illustrates the percentage of sunny days in The Lakes 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 The Lakes experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%41%48%38%43%63%62%67%64%55%42%36%
Data source: The Lakes September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in The Lakes in September

As summer gently fades into autumn, September in The Lakes marks a notable transition in daylight duration, offering about 12 hours of sunlight. This month stands as a bridge between the long, sun-soaked days of July and August, which bask in 15 and 13 hours respectively. As the year progresses, daylight gradually diminishes, dipping from the peak of summer toward the shorter days of winter. Following the trend, September experiences a slight decrease from its summer highs, hinting at the approaching chill of October, when daylight reduces again to 10 hours. This gradual ebbing of sunlight showcases nature’s cycles, inviting residents and visitors alike to relish the vibrant hues of fall before the earlier sunsets of the coming months.

Average Daylight Hours in The Lakes for September

The chart illustrates the variation in daylight duration in The Lakes throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 17m10h 28m11h 57m13h 29m14h 47m15h 26m15h 5m13h 55m12h 27m10h 55m9h 35m8h 54m
Data source: The Lakes daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in The Lakes

As autumn approaches in September, the average wind speed in The Lakes settles at a brisk 4.5 m/s (10 mph). This slight uptick from the summer months reflects a gradual return of invigorating breezes, with wind speeds generally peaking in the fall. Interestingly, September stands out with a notable consistency, with its figures mirroring those of both January and October, suggesting a transitional phase that ushers in cooler air. Following a trend of diminishing summer breezes, September prepares the region for the upcoming gusty months of November, which average 5.1 m/s (11 mph). Overall, the winds of September weave a refreshing tapestry, bridging the warm remnants of summer with the crisp embrace of autumn.

Average September Wind Speed in The Lakes

The chart displays monthly wind speed patterns in The Lakes, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.43.85.04.94.43.93.44.14.5 m/s4.45.14.6
Data source: The Lakes September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in The Lakes Compares to Other Months

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

September and January present stark contrasts in weather. In September, temperatures can range from a chilly 2°C (36°F) to a warm 32°C (91°F), with an average of 18°C (64°F) and considerable humidity at 82%. The month also sees about 109 mm (4.3 in) of precipitation over 9 days, making it a relatively wetter time of the year. In contrast, January brings extreme cold, with temperatures plummeting from a minimum of -34°C (-29°F) to a maximum of 10°C (51°F), averaging -8°C (17°F). This month experiences much less precipitation, totaling only 26 mm (1.0 in) over 5 days, and the humidity remains high at 85%. For a closer look at what to expect in January, visit The Lakes weather in January.

September and February showcase stark contrasts in weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (91°F), with an average of 18°C (64°F). This month experiences relatively high humidity at 82% and significant rainfall totaling 109 mm (4.3 in) over 9 days. In contrast, February presents a much colder climate, with temperatures dipping as low as -33°C (-28°F) and peaking at a mild 18°C (65°F), averaging around -9°C (17°F). February sees much lower precipitation at 26 mm (1.0 in) over just 6 days, but with a slightly higher humidity level of 89%. For a closer look at February conditions, check out The Lakes weather in February.

September and March present stark contrasts in weather conditions. September enjoys a much warmer climate, with temperatures ranging from a cool 2°C (36°F) at night to a balmy 32°C (91°F) during the day, while March is characterized by chilling temperatures, starting at a low of -27°C (-17°F) and peaking at a mild 25°C (77°F). Precipitation is more frequent in September, with around 109 mm (4.3 in) falling over 9 days, compared to March, which sees only 64 mm (2.5 in) across 7 days. Humidity remains relatively high in both months, averaging 82% in September and 81% in March. For more details on March weather, check out The Lakes weather in March.

When comparing the weather in September and April, there are notable differences in temperature and precipitation. In September, the temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (91°F), with an average of 18°C (64°F), making it generally warmer than April. In contrast, April experiences colder temperatures, with a minimum of -16°C (3°F), an average of 6°C (43°F), and a maximum of 30°C (86°F). While both months have high humidity levels at 82%, September receives more precipitation overall, with 109 mm (4.3 in) across 9 days, compared to April’s 84 mm (3.3 in) over 10 days. For more details on the weather during this time, you can check The Lakes weather in April.

When comparing the weather in September and May, notable differences emerge in temperature and precipitation levels. September tends to be warmer overall, with average temperatures reaching 18°C (64°F) and a maximum of 32°C (91°F), while May has a cooler average of 15°C (59°F) and a maximum temperature of 34°C (94°F). However, May experiences slightly higher precipitation at 121 mm (4.8 in) across 14 days compared to September's 109 mm (4.3 in) over 9 days. Humidity levels also differ, with September having a higher humidity of 82% compared to May's 76%. For a more detailed look at conditions during this time, check out The Lakes weather in May.

In comparing the weather between September and June, we can see notable differences in temperature and precipitation patterns. September experiences a broader temperature range, with a minimum of 2°C (36°F) and a maximum of 32°C (91°F), while June has a higher baseline, ranging from a minimum of 7°C (46°F) to a maximum of 38°C (100°F). Both months exhibit similar levels of precipitation, with September receiving 109 mm (4.3 in) over 9 days and June slightly higher at 110 mm (4.4 in) over 10 days. Humidity levels remain close, with September at 82% and June at 81%. For more detailed insights into June's weather, you can visit The Lakes weather in June.

In comparing the weather of September and July, it's evident that July is generally warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 35°C (96°F), while September experiences a broader temperature range with a minimum of 2°C (36°F) and a maximum of 32°C (91°F). Both months see a similar number of rainy days, with precipitation levels slightly higher in July at 119 mm (4.7 in) compared to 109 mm (4.3 in) in September. Interestingly, despite these differences in temperature and precipitation, both months share an equal humidity level of 82%. For a deeper look at July's weather, you can check The Lakes weather in July.

In comparing the weather between August and September, it's clear that September is generally cooler, with average temperatures dropping from 21°C (70°F) in August to 18°C (64°F). The minimum temperature in September reaches a chilly 2°C (36°F), significantly lower than August's minimum of 9°C (48°F). Although both months see considerable rainfall, September's precipitation of 109 mm (4.3 in) is slightly less than August's 127 mm (5.0 in), occurring over just one less day. Humidity remains relatively stable, at 82% in September compared to 83% in August. For a closer look at August weather specifics, you can check out The Lakes weather in August.

In September, temperatures range significantly, with a minimum of 2°C (36°F), an average of 18°C (64°F), and a maximum of 32°C (91°F). This month experiences considerable warmth, along with 109 mm (4.3 in) of precipitation over 9 days, and the humidity remains high at 82%.

Contrastingly, October brings a noticeable drop in temperatures, featuring a minimum of -14°C (6°F), an average of 9°C (48°F), and a maximum of 29°C (84°F). Despite a slight decrease in precipitation to 93 mm (3.7 in) across the same number of rainy days, the humidity level stays consistent at 82%. This shift in weather marks October as a month of cooler temperatures and less warmth than its predecessor, September. For more on what to expect, check out The Lakes weather in October.

In comparing the weather between September and November, it's evident that significant shifts occur as the seasons change. September boasts a much warmer average temperature of 18°C (64°F), with highs reaching up to 32°C (91°F), while November chills down to an average of just 1°C (34°F) and experiences lows of -17°C (2°F). Despite September’s higher temperatures, it also sees more precipitation at 109 mm (4.3 in) over 9 days, compared to November’s relatively drier conditions with only 30 mm (1.2 in) of rain over 6 days. Humidity levels remain high in both months, but November slightly edges out September with 87% versus 82%. For more detailed insights, you can check The Lakes weather in November.

September and December present striking contrasts in weather conditions. In September, temperatures range significantly, with a minimum of 2°C (36°F) and a maximum reaching 32°C (91°F), averaging around 18°C (64°F). This month also sees higher precipitation levels at 109 mm (4.3 in), spanning over 9 days, and the humidity sits at 82%. In contrast, December is characterized by much colder temperatures, with a minimum of -25°C (-13°F) and a maximum of 15°C (59°F), averaging -4°C (25°F). Precipitation drops to 41 mm (1.6 in) across just 4 days, and humidity rises slightly to 84%. For a closer look at December’s weather specifics, you can visit The Lakes weather in December.

Compare The Lakes's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in The Lakes

As September rolls in, The Lakes experience a shift from the warm summer months to a more crisp and refreshing atmosphere. With an average temperature hovering around 18°C (64°F), the weather becomes notably cooler compared to the peak summer heat. While you may still encounter some sunny days peaking at 32°C (91°F), the nights can bring a brisk touch as temperatures dip to around 2°C (36°F). This month also sees an increase in precipitation, with 109 mm (4.3 in) of rain falling over 9 days, adding a refreshing freshness to the air. Coupled with relatively high humidity at 82%, September certainly heralds the transition to autumn, making it a unique and vibrant time in the area. For a comprehensive overview of what to expect throughout the year, visit The Lakes Climate.