September Weather in Canandaigua, United States

Last updated: February 24, 2025

September in Canandaigua, United States, showcases a dynamic climate as summer transitions into autumn. With maximum temperatures reaching up to 32°C (90°F) and an average temperature of 18°C (64°F), the month offers a warm yet comfortable atmosphere. However, the evenings can be refreshingly cool, with lows dropping to 3°C (37°F). The region experiences 82 mm (3.2 in) of precipitation over 9 days, contributing to a humidity level of 78%, which adds to the lush, vibrant scenery as nature prepares for fall. Whether you prefer sunny afternoons or the occasional rain shower, September in Canandaigua is a month of transition and beauty.

September Temperature in Canandaigua

In September, Canandaigua experiences a pleasant transition from the heat of summer to the cooler embrace of autumn. With minimum temperatures averaging around 3°C (37°F) and rising to a comfortable 18°C (64°F), this month showcases a delightful moderate climate. Days can still feel quite warm, reaching up to 32°C (90°F), allowing for outdoor activities and beautiful fall scenery before the chill sets in. As days grow shorter and leaves begin to change, the average temperature exhibits a noticeable shift from the previous warmer months, hinting at the crispness of October ahead, while still inviting late-summer warmth. This blend of warmth and the first whispers of fall make September a captivating month in Canandaigua.

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

The chart illustrates September temperature patterns in Canandaigua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec262834455867727064533931
Data source: Temperature data for Canandaigua 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 Canandaigua

In September, Canandaigua experiences a moderate transition towards autumn, characterized by 82 mm (3.2 in) of precipitation spread over just 9 days. This marks a notable decrease in rainfall compared to the bustling summer months, with July peaking at 151 mm (5.9 in) over 16 days. The cooler temperatures of September signal fewer precipitation days, yet the accumulated rainfall remains consistent with the average patterns seen in earlier fall months like October and November. As the year progresses, the shift towards drier conditions becomes evident, making September a charming blend of early fall crispness and occasional rain, a perfect prelude to the changing seasons.

September Precipitation Trends in Canandaigua

The chart displays monthly precipitation patterns in Canandaigua, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7681741151239715198831418289
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Canandaigua

As September rolls into Canandaigua, a subtle shift in humidity marks the beginning of autumn. With humidity levels at 78%, the air feels slightly drier compared to the summer months, where August recorded its lowest at 76%. This gradual decline in humidity is part of a broader trend observed throughout the year, starting high at 90% in the winter months and gradually decreasing to a summer low. Yet, as the days get shorter and cooler, October brings a rise back to 84%, hinting at the return of moisture as the weather transitions into fall. This ebb and flow not only captures the essence of seasonal change but also influences the local atmosphere, creating a comfortable backdrop for outdoor activities in September.

September Average Humidity in Canandaigua

This chart illustrates the average monthly humidity levels in Canandaigua, 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 Canandaigua

As summer transitions into autumn, September in Canandaigua sees a slight decrease in the UV Index, measuring 8 this month, classified as very high. This trend aligns with the gradual decline observed from the peak summer months, where July reached a maximum of 10. Despite this reduction, the burn time remains brief at just 15 minutes, reminding residents and visitors to stay vigilant about sun protection. With the UV Index steadily decreasing from April's fiery 8 to October's cooler 6, it's essential to adapt your sun safety strategies as the seasons change. For detailed insights and updates on the UV Index throughout the year, visit Canandaigua UV Index.

Maximum UV Index Levels in Canandaigua for September

The chart shows the monthly maximum UV Index (UVI) for Canandaigua 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.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Canandaigua 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 Canandaigua

As the vibrant hues of September unfold in Canandaigua, the town basks in 287 hours of sunshine, marking a delightful transition into fall. This month, while slightly quieter than the sun-soaked peak of July and August, still offers a generous amount of daylight compared to the winter months ahead. This pattern reveals a trend of increasing light from the dreary days of January, culminating in the sun-drenched heights of summer. With September's sunlight heralding the rich, autumnal colors to come, residents and visitors alike can embrace the warmth and beauty of lingering summer days before the seasonal shift fully takes hold.

Monthly Sunshine Duration in Canandaigua: September Highlighted

The September sunshine duration represents the total number of hours Canandaigua 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.
JanFebMarAprMayJunJulAugSepOctNovDec97h142h221h237h281h333h345h338h287h206h154h111h
Data source: Canandaigua September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Canandaigua During September

September in Canandaigua boasts a 37% chance of sunny weather, a slight increase from the summer months. This trend shows that as the season transitions from the high summer heat, the likelihood of clear skies remains relatively stable, dipping just below June and July's sunnier days. While it's not one of the sunniest months, September typically offers pleasant weather with occasional warm spells, making it a lovely time for outdoor activities. The gradual decrease in sunshine from earlier summer months sets the stage for autumn, but this month's balance of sun and potential cloudiness keeps the charm alive.

Percentage of Sunny Days in September in Canandaigua

The chart illustrates the percentage of sunny days in Canandaigua 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 Canandaigua experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%21%41%36%39%43%39%37%37%29%37%21%
Data source: Canandaigua September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Canandaigua in September

As summer transitions into autumn in Canandaigua, September offers a blend of warmth and shorter days, with daylight lasting approximately 12 hours. Following a peak of 15 hours in June, the gradual decline is indicative of nature's rhythm, as sunny, vibrant days give way to the cozy embrace of fall. This month marks a gentle shift from the exuberance of summer, with daylight diminishing alongside the rich hues of changing leaves that start to adorn the landscape. As daylight hours decrease, the air becomes crisper, inviting the community to savor the beauty of this transitional period before the days shorten further into October.

Average Daylight Hours in Canandaigua for September

The chart illustrates the variation in daylight duration in Canandaigua 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 55m13h 49m12h 26m10h 59m9h 43m9h 4m
Data source: Canandaigua daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Canandaigua

As September rolls in, Canandaigua experiences a refreshing shift in wind patterns, with an average speed of 3.1 m/s (7 mph). This gentle breeze marks a slight uptick from the lull of summer, where August’s 2.3 m/s (5 mph) barely nudged the leaves. The transition towards autumn becomes palpable as the winds pick up, reminiscent of the more invigorating gales seen in early spring. While September's winds are modest, they bridge the gap between summer's stillness and the brisk gusts of fall, as the region winds down into October with an average of 2.9 m/s (6 mph). This subtle increase reflects a broader trend where the seasons shift the dynamics of air movement, inviting residents and visitors alike to savor the changing landscape.

Average September Wind Speed in Canandaigua

The chart displays monthly wind speed patterns in Canandaigua, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.34.13.32.83.02.52.33.1 m/s2.93.43.7
Data source: Canandaigua September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Canandaigua Compares to Other Months

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

In September, temperatures range from a mild 3°C (37°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (64°F). The month experiences about 82 mm (3.2 in) of precipitation over 9 days, and the humidity sits at a comfortable 78%. In contrast, January brings much colder conditions, with temperatures dropping to a minimum of -21°C (-6°F) and peaking at just 17°C (62°F), averaging -3°C (26°F). The winter month sees slightly less precipitation, totaling 76 mm (3.0 in) over 12 days, with a higher humidity level of 90%. For more details on January weather in Canandaigua, check the following link: Canandaigua weather in January.

September and February present stark contrasts in weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F), creating a warm and humid atmosphere, with humidity levels at 78%. In contrast, February experiences much colder conditions, with temperatures dropping as low as -20°C (-4°F) and averaging -2°C (28°F), peaking at 20°C (68°F). Additionally, February sees more precipitation days, totaling 15, despite having a similar overall rainfall of 81 mm (3.2 in), and a higher humidity level of 90%. For a detailed look at February weather in Canandaigua, visit Canandaigua weather in February.

September and March present stark contrasts in weather conditions. In September, temperatures range from a mild 3°C (37°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (64°F). The month experiences 82 mm (3.2 in) of precipitation over approximately 9 days, while humidity levels sit at 78%, creating a comfortable atmosphere. In contrast, March's temperatures drop significantly, with minimums reaching -16°C (4°F) and maximums only climbing to 24°C (75°F), yielding an average temperature of just 1°C (35°F). Although March records slightly less precipitation at 74 mm (2.9 in), it experiences more rainy days, totaling 13, and higher humidity at 87%. For a more detailed comparison of March weather in Canandaigua, you can refer to Canandaigua weather in March.

September and April present contrasting weather patterns, showcasing the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 3°C (37°F) to a warm maximum of 32°C (90°F), with an average of 18°C (64°F). The month experiences around 82 mm (3.2 in) of rainfall over approximately 9 days, contributing to a humidity level of 78%. In contrast, April has cooler conditions, starting with a minimum of -5°C (23°F) and peaking at 27°C (82°F), averaging only 7°C (46°F). It sees more significant rainfall at 115 mm (4.5 in), spread over 15 days, leading to higher humidity at 88%. For more detailed insights into April weather, check Canandaigua weather in April.

In comparing the weather of September and May, September experiences a milder average temperature at 18°C (64°F) compared to May's cooler average of 14°C (58°F). However, May can still reach a higher maximum temperature of 33°C (92°F), slightly surpassing September's peak of 32°C (90°F). Precipitation levels are notably higher in May, with 123 mm (4.8 in) over 15 days, while September sees less rainfall at 82 mm (3.2 in) across 9 days. Both months exhibit similar humidity levels around 78% to 82%, contributing to a feeling of dampness in the air. For more detailed weather insights, you can check Canandaigua weather in May.

When comparing the weather in September to June, both months exhibit relatively mild temperatures, with averages around 18°C (64°F) in September and slightly warmer at 19°C (67°F) in June. June tends to be slightly wetter, receiving 97 mm (3.8 in) of precipitation over 13 days, compared to September's 82 mm (3.2 in) across 9 days. Humidity levels are quite similar in both months, hovering around 78% in September and 79% in June, creating a slightly muggy atmosphere. Despite these similarities, temperatures can peak higher in September, reaching up to 32°C (90°F) versus June’s maximum of 33°C (91°F), resulting in a warm and inviting late summer transition. For more details, check the Canandaigua weather in June.

When comparing the weather in September and July, a notable shift is observed in temperature and precipitation patterns. September features a broader range of temperatures, with a minimum of 3°C (37°F) and a maximum reaching 32°C (90°F), averaging out at 18°C (64°F). In contrast, July tends to be warmer overall, with a minimum temperature of 12°C (53°F) and a maximum of 34°C (94°F), averaging 22°C (72°F). Additionally, while September experiences 82 mm (3.2 in) of precipitation over 9 days, July is wetter, with 151 mm (5.9 in) of rain over 16 days. Both months share a consistent humidity level of 78%, contributing to a similar feel in the air, though July typically feels more intense due to the higher temperatures. For more details on July weather specifically, you can check Canandaigua weather in July.

In comparing the weather patterns of September and August, September tends to be slightly cooler overall, with a minimum temperature of 3°C (37°F) compared to August's minimum of 9°C (49°F). The average temperature in September is also lower at 18°C (64°F), while August boasts a warmer average of 21°C (71°F). Both months share the same maximum temperature of 32°C (90°F). In terms of precipitation, September sees 82 mm (3.2 in) over 9 days, which is less than August's 98 mm (3.9 in) over 14 days. Additionally, September has a slightly higher humidity level of 78%, compared to 76% in August. For a detailed look at the August climate, you can refer to Canandaigua weather in August.

September typically features warmer temperatures, with a minimum of 3°C (37°F) and an average of 18°C (64°F), while October sees a drop in average temperatures to around 12°C (54°F) and even dips to a minimum of 0°C (32°F). Furthermore, October experiences more precipitation, with 141 mm (5.6 in) over 16 days compared to September's 82 mm (3.2 in) over just 9 days. Humidity also rises slightly in October, reaching 84% compared to September's 78%. For more detailed insights, check Canandaigua weather in October.

September and November present a striking contrast in weather conditions. In September, temperatures range from a mild 3°C (37°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (64°F). The month sees relatively low precipitation, with 82 mm (3.2 in) falling over just 9 days and humidity at 78%. In contrast, November experiences a more frigid climate, with nighttime lows plunging to -17°C (1°F) and a much cooler average of 4°C (39°F), while daytime highs peak at a significantly lower 25°C (76°F). Precipitation remains consistent at 82 mm (3.2 in) but spreads across 14 days, accompanied by increased humidity at 89%. For a detailed look at November weather patterns, visit Canandaigua weather in November.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 32°C (90°F) and an average temperature of 18°C (64°F). There's a moderate amount of precipitation, totaling 82 mm (3.2 in) over about 9 days, accompanied by 78% humidity. By December, the landscape shifts dramatically, with much colder temperatures that can drop to a minimum of -18°C (1°F) and only reach up to 17°C (64°F), averaging around 0°C (32°F). Precipitation increases slightly to 89 mm (3.5 in) over 14 days, and humidity rises to 86%. The distinct contrast in weather illustrates the transition from the warmth of early autumn to the chill of winter. For more details on December weather, you can visit Canandaigua weather in December.

Compare Canandaigua's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Canandaigua

As September rolls into Canandaigua, the weather transitions from the warm, sun-soaked days of summer to a more temperate climate, offering a refreshing change. Daytime temperatures can still reach a comfortable 32°C, but the average cools down to a pleasant 18°C, inviting outdoor activities without the sweltering heat. Unlike the drier summer months, September sees an increase in precipitation, with 82 mm over about nine days, adding a touch of moisture to the air and raising the humidity to 78%. This unique blend of warmth and occasional rainfall makes September a delightful time to experience Canandaigua's beauty. For more insights on how the weather shifts throughout the year, check out Canandaigua Climate.