September Weather in Seneca Falls, United States

Last updated: February 24, 2025

September in Seneca Falls, United States offers a delightful mix of weather experiences. With maximum temperatures reaching a balmy 33°C (92°F) and an average of 18°C (65°F), the month presents opportunities for warm outdoor activities. However, cool mornings can dip to a refreshing 3°C (38°F), reminding residents of the approaching autumn. The month is characterized by 82 mm (3.2 in) of rain over approximately 9 days, contributing to a relatively high humidity level of 78%. Whether enjoying the warmth or prepping for cooler days, September in Seneca Falls is a month of transitions and rich sensations.

September Temperature in Seneca Falls

In September, Seneca Falls begins to transition from the warmth of summer to the coolness of autumn, with temperatures reflecting this shift. The month features a comfortable average temperature of 18°C (65°F), making it ideal for outdoor activities. With minimums around 3°C (38°F) and maximums reaching 33°C (92°F), the range allows for warm days that gradually cool as fall approaches. This gradual change is evident when compared to August, which boasts higher averages and maximums, hinting at the last remnants of summer's heat. As September progresses, residents can expect crisp mornings and pleasantly warm afternoons, making it a charming time to enjoy the natural beauty of the area.

September Weather in Seneca Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Seneca Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272935465867737164544032
Data source: Temperature data for Seneca Falls 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 Seneca Falls

September in Seneca Falls experiences relatively mild precipitation, with 82 mm (3.2 in) over just 9 days of rain. This marks a notable decrease compared to the more tumultuous summer months of July and August, which saw higher totals of 153 mm (6.0 in) and 108 mm (4.3 in) respectively. As summer transitions into autumn, September’s drier spell heralds a shift toward the thicker, cooler air of fall, setting the stage for the heavier rains of October, which often follow with an average of 154 mm (6.1 in). This trend highlights a gradual tapering off of summer precipitation, allowing for clearer, more comfortable days as the season turns.

September Precipitation Trends in Seneca Falls

The chart displays monthly precipitation patterns in Seneca Falls, 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.
JanFebMarAprMayJunJulAugSepOctNovDec898881119116861531088215497101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Seneca Falls

In Seneca Falls during September, the humidity levels tend to settle at 78%, marking a slight increase from the summer months. This trend showcases a gradual transition as the region shifts from the drier conditions of August, which experienced a lower humidity level of 76%. As autumn approaches, humidity climbs again, hinting at a cozy fall atmosphere after a relatively comfortable summer. This pattern is reflective of the overall yearly climate, where humidity peaks in the colder months, reaching up to 90% in January and February, before dipping to its lowest in late summer. September’s humidity signals a lingering warmth while also foreshadowing the wetter months ahead.

September Average Humidity in Seneca Falls

This chart illustrates the average monthly humidity levels in Seneca Falls, 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%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Seneca Falls

As September unfolds in Seneca Falls, the UV Index begins to decline slightly from the summer's peak, landing at a moderate level of 7. This shift is an indication of the transitioning seasons, with exposure risks categorized as high and a burn time of approximately 25 minutes for unprotected skin. After a summer dominated by consistently very high UV Index readings in June, July, and August, this gradual decrease provides a welcome reminder to stay vigilant with sun protection, especially during midday hours. As the leaves change color and temperatures cool, it's crucial to adapt our sun safety strategies while enjoying the last rays of summer. For an in-depth look at UV trends, visit Seneca Falls UV Index.

Maximum UV Index Levels in Seneca Falls for September

The chart shows the monthly maximum UV Index (UVI) for Seneca Falls 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.
JanFebMarAprMayJunJulAugSepOctNovDec24681010997632
Data source: Seneca Falls 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 Seneca Falls

As summer transitions into autumn, September in Seneca Falls boasts 290 hours of sunshine, a generous amount that reflects the lingering warmth of the season. Following the sun-drenched days of July and August, which each recorded over 340 hours of sunlight, September still shines brightly but signals a gradual decline as the days grow shorter. While light retreats to 210 hours by October, the month retains a comfortable glow that showcases the beauty of the changing leaves and warm days. This pattern highlights a trend where the sun generously brightens the area from January's 98 hours up to the summer peak, before easing into the softer light of fall. Such climatic variations create an inviting atmosphere, perfect for enjoying the picturesque landscapes that Seneca Falls has to offer.

Monthly Sunshine Duration in Seneca Falls: September Highlighted

The September sunshine duration represents the total number of hours Seneca Falls 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h139h225h238h280h335h343h340h290h210h153h117h
Data source: Seneca Falls September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Seneca Falls During September

As summer transitions to fall, September in Seneca Falls maintains a stable chance of sunny weather, hovering around 38%. This figure ties it closely with both April and March, signifying a subtle decline from the earlier summer months, which boast higher probabilities of sunshine. Despite this slight dip, September offers a pleasant blend of warmth and clear skies, making it an appealing time for outdoor activities. With the changing colors of fall foliage, the sunny days can create a picturesque backdrop that many locals and visitors cherish. Overall, the likelihood of enjoying sunlit days in September remains fairly promising, encouraging people to seize the chance to revel in the beauty of the season.

Percentage of Sunny Days in September in Seneca Falls

The chart illustrates the percentage of sunny days in Seneca Falls 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 Seneca Falls experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%20%38%38%42%42%41%39%38%29%37%21%
Data source: Seneca Falls September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seneca Falls in September

September in Seneca Falls ushers in a delicate transition, where daylight shimmers at 12 hours, gently tapering off from the summer's longer days. Following the peak of 15 hours in June, the daylight duration begins a gradual descent, reflecting the inevitable shift toward autumn. As the lush greens of summer begin to mellow, and the vibrant hues of fall start to emerge, this month's light offers a perfect blend of warmth and early evening coolness, inviting outdoor activities while hinting at the cozy embrace of shorter days ahead. This rhythm of daylight underscores nature's cyclical elegance, reminding us of the fleeting, yet beautiful, moments as we move into the heart of the year.

Average Daylight Hours in Seneca Falls for September

The chart illustrates the variation in daylight duration in Seneca Falls throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 25m14h 39m15h 16m14h 56m13h 50m12h 26m10h 59m9h 42m9h 3m
Data source: Seneca Falls daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Seneca Falls

As September unfolds in Seneca Falls, the wind gently stirs with an average speed of 3.2 m/s (7 mph), retaining a steady rhythm reminiscent of the previous summer months. This slight uptick from August's calm breezes suggests a transition into the crisper autumn air, while remaining lower than the gustier spring months, which peak at 4.3 m/s (10 mph) in March. Notably, the autumn months begin to see a gradual increase, with October mirroring September's subtle strength, hinting at the season's ability to invigorate the landscape. With the wind's playful whispers, September becomes a time of change, gently preparing Seneca Falls for the vibrant foliage and cooler temperatures ahead.

Average September Wind Speed in Seneca Falls

The chart displays monthly wind speed patterns in Seneca Falls, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.44.33.32.83.02.62.43.2 m/s3.03.53.9
Data source: Seneca Falls September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Seneca Falls Compares to Other Months

The weather in Seneca Falls 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 Seneca Falls and find detailed weather information for every month.

September and January present starkly contrasting weather conditions. In September, temperatures range from a refreshing 3°C (38°F) to a warm 33°C (92°F), with an average of 18°C (65°F). The month sees about 82 mm (3.2 in) of precipitation over 9 days, accompanied by relatively high humidity levels at 78%. Conversely, January is characterized by frigid temperatures, with a minimum of -20°C (-5°F) and an average temperature of -3°C (27°F), only reaching a maximum of 16°C (61°F). Despite receiving a similar amount of precipitation at 89 mm (3.5 in), January experiences more rainy days, with 14 in total, and higher humidity at 90%. For more details, you can check out Seneca Falls weather in January.

September and February present starkly contrasting weather conditions. September enjoys a warmer climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 33°C (92°F) and an average of 18°C (65°F). The month experiences about 82 mm (3.2 in) of rain over 9 days, along with a humidity level of 78%. In contrast, February is characterized by its frigid temperatures, with a minimum of -19°C (-1°F) and a maximum of 19°C (67°F), averaging -2°C (29°F). Precipitation in February is slightly higher at 88 mm (3.5 in), but it occurs over more days, totaling 15 days, and the humidity is also higher at 90%. For a deeper understanding of February's weather conditions, you can visit Seneca Falls weather in February.

Comparing the weather in September and March reveals distinct seasonal transitions. September enjoys a wider temperature range, with minimums at 3°C (38°F) and maximums soaring to 33°C (92°F), creating a warm average of 18°C (65°F). In contrast, March starts off much chillier, with minimums plummeting to -14°C (7°F) and an average temperature of only 2°C (35°F), despite reaching a pleasant maximum of 22°C (73°F) later in the month. Both months experience similar levels of precipitation—approximately 82 mm (3.2 in)—but September tends to be a bit drier with only nine days of rain compared to March's thirteen wet days. Humidity levels also vary, with March being slightly more humid at 87%, compared to September's 78%. For more detailed weather insights, you can check Seneca Falls weather in March.

The weather in September is generally warmer than in April, with average temperatures reaching 18°C (65°F) compared to April's cooler average of 8°C (46°F). September can see quite a range, with temperatures soaring up to 33°C (92°F), while April's highs cap at 27°C (81°F). However, April tends to experience more precipitation, with 119 mm (4.7 in) over 17 days, compared to September's 82 mm (3.2 in) over only 9 days. The humidity in both months is relatively high, but April's humidity level is slightly elevated at 88%, compared to September's 78%. For those interested in more specific details about April weather, you can check Seneca Falls weather in April.

September tends to be warmer overall, with average temperatures around 18°C (65°F), while May is cooler, averaging 14°C (58°F). Both months can reach similar maximum temperatures of 33°C (91°F) to 33°C (92°F), but May experiences slightly more precipitation, averaging 116 mm (4.6 in) over 15 days compared to September's 82 mm (3.2 in) over 9 days. Humidity levels remain consistent in both months at 78% to 82%, contributing to a moist atmosphere. For more details on May weather, check out Seneca Falls weather in May.

When comparing the weather in September and June, it's clear that both months experience warm temperatures, but with slight variations. September has a minimum temperature of 3°C (38°F) and an average of 18°C (65°F), reaching a maximum of 33°C (92°F), while June's minimum is slightly higher at 5°C (41°F), with an average of 20°C (67°F) and a peak of 34°C (93°F). Precipitation is somewhat similar, with September recording 82 mm (3.2 in) over 9 days and June slightly wetter at 86 mm (3.4 in) over 12 days. Both months also share comparable humidity levels, with September at 78% and June at 79%. For more details about the climate conditions in June, you can visit Seneca Falls weather in June.

When comparing the weather in September and July, it's clear that September tends to be cooler overall. The average temperature in September is 18°C (65°F), with a minimum of 3°C (38°F) and a maximum of 33°C (92°F), while July sees higher averages at 23°C (73°F), with a minimum of 11°C (53°F) and a peak of 35°C (95°F). Additionally, July experiences significantly more rainfall, totaling 153 mm (6.0 in) over 15 days compared to September's 82 mm (3.2 in) over 9 days. Despite the warmer temperatures, both months share similar humidity levels at 78%. For a more detailed look at July weather, you can visit Seneca Falls weather in July.

September's weather features a wider temperature range, with minimums dropping to 3°C (38°F) compared to August's warmer 9°C (48°F). While both months share a maximum temperature of 33°C (92°F), September's average temperature is lower at 18°C (65°F) than August's 22°C (72°F). In terms of precipitation, September experiences less with 82 mm (3.2 in) over 9 days, while August sees 108 mm (4.3 in) over 13 days, indicating a slightly drier September. Humidity levels remain relatively comparable, with September at 78% and August slightly lower at 76%. For more detailed insights on August weather, you can visit Seneca Falls weather in August.

September and October present contrasting weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 33°C (92°F), with a comfortable average of 18°C (65°F). The month sees moderate rainfall, accumulating 82 mm (3.2 in) over about 9 days, with humidity levels around 78%. In contrast, October brings cooler temperatures, dipping to a minimum of 1°C (34°F) and averaging 12°C (55°F), while reaching a maximum of 29°C (84°F). This month is also wetter, with 154 mm (6.1 in) of precipitation spread over approximately 15 days, and a slight increase in humidity to 84%. For more detailed weather insights, check Seneca Falls weather in October.

In September, temperatures range from a cool minimum of 3°C (38°F) to a warm maximum of 33°C (92°F), with an average of 18°C (65°F), making it a pleasant month overall. In contrast, November brings a significant chill, with temperatures dropping to a minimum of -17°C (2°F) and an average of just 4°C (40°F), although the maximum can still reach 24°C (76°F). Rainfall is more frequent in November, occurring over 15 days and totaling 97 mm (3.8 in), compared to September's 9 days of precipitation and 82 mm (3.2 in). Additionally, humidity levels are higher in November at 89%, compared to 78% in September, contributing to a more damp and cold atmosphere. For more details about November conditions, check out Seneca Falls weather in November.

September and December showcase contrasting weather patterns. In September, temperatures range from a mild 3°C (38°F) at night to a warm 33°C (92°F) during the day, with an average of 18°C (65°F). The month experiences about 82 mm (3.2 in) of precipitation over 9 days, with humidity levels around 78%. In stark contrast, December features much colder conditions, with temperatures dropping to a minimum of -16°C (4°F) and an average of 0°C (33°F), while the maximum temperature reaches a more bearable 18°C (65°F). With higher precipitation of 101 mm (4.0 in) over 17 days, December also sees increased humidity at 86%. For more details on December's weather, you can check Seneca Falls weather in December.

Compare Seneca Falls's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Seneca Falls

As September rolls in, Seneca Falls experiences a delightful transition from the summer heat to the crispness of autumn. With average temperatures hovering around 18°C (65°F), it’s a month where warm days can still occur, but cooler nights remind us that fall is on the horizon. The air carries a notable humidity of 78%, contributing to a refreshing, yet slightly balmy feel. Although there are some rainy days, with nearly 82 mm of precipitation falling across about nine days, this moisture often nourishes the vibrant foliage that begins to emerge. For those looking to plan their fall adventures, check out more details on how September's weather compares to other months at Seneca Falls Climate.