September Weather in Hudson, United States

Last updated: February 24, 2025

In September, Hudson experiences a diverse climate, showcasing a maximum temperature of 33°C (91°F) and an average of 19°C (66°F), while dropping to a minimum of 2°C (36°F) during the cooler nights. The month sees significant precipitation, with a total of 95 mm (3.7 in) spread over 9 days, contributing to a humidity level of 72% that adds a refreshing yet damp feel to the air. Whether basking in the heat or enjoying the occasional rain, September in Hudson offers a unique blend of weather patterns that shape the local landscape and lifestyle.

September Temperature in Hudson

As summer gives way to autumn in Hudson, United States, September presents a delightful transition in temperatures. With a minimum reaching 2°C (36°F) and an average of 19°C (66°F), the month maintains a comfortable warmth before the chill of fall sets in. The maximum temperature can peak at a pleasant 33°C (91°F), making it one of the last opportunities to enjoy outdoor activities in the sun. This gradual cooling from the sultry heights of summer brings a refreshing change, inviting residents and visitors alike to savor the crisp air and vibrant autumn foliage that start to emerge. The patterns observed throughout the month showcase a significant shift in climate, as Hudson gracefully steps into a new season, trading the heat of August for the cooler embrace of October.

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

The chart illustrates September temperature patterns in Hudson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec283137486069747366554133
Data source: Temperature data for Hudson 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 Hudson

September in Hudson marks the transition into autumn with average precipitation measuring about 95 mm (3.7 in). This amount is indicative of a slightly wetter month, featuring 9 days of rain, which is consistent with the preceding summer months. Compared to the previous month of August, which recorded 96 mm, September sees a subtle decline in precipitation while maintaining a similar frequency of rainy days. As the year progresses into October, precipitation tends to rise significantly, often resulting in the wettest month of the year. This gradual shift showcases Hudson's evolving climate, where the refreshing rains of September usher in the rich, vibrant colors of fall.

September Precipitation Trends in Hudson

The chart displays monthly precipitation patterns in Hudson, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6783761221037711696951319091
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hudson

As summer transitions into autumn, September in Hudson witnesses a notable shift in humidity levels, with humidity averaging around 72%. This marks a slight increase from the drier months of July and August, which recorded 66% and 64% respectively. The trend of decreasing humidity from early spring, where it hovered at 84% in April, indicates a warm and increasingly comfortable atmosphere during the late summer. However, as the month progresses, the gradual rise in humidity serves as a precursor to the cooler, wetter months ahead, with humidity levels peaking again in November at 87%. This cyclical change highlights Hudson's distinct seasonal variations, making September a pleasant yet transitional period in the year.

September Average Humidity in Hudson

This chart illustrates the average monthly humidity levels in Hudson, 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%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hudson

As September rolls in, Hudson experiences a gradual decline in the UV Index, settling at 7, categorized as high. This shift follows the peak summer months of June and July, which both saw values of 10, demanding vigilant sun protection. With a burn time of approximately 25 minutes, it's essential for residents and visitors alike to remain mindful of their sun exposure. Notably, the UV Index continues to trend downward into October, where it dips to 6 and maintains a high exposure category. By recognizing these seasonal patterns, individuals can better prepare for sun safety. For more detailed information, visit Hudson UV Index.

Maximum UV Index Levels in Hudson for September

The chart shows the monthly maximum UV Index (UVI) for Hudson 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.
JanFebMarAprMayJunJulAugSepOctNovDec35681010997642
Data source: Hudson 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 Hudson

As summer gradually bows out, September in Hudson, United States, continues to bask in a generous 283 hours of sunshine, marking a beautiful transition into autumn. This month showcases a significant drop from the peak summer months, where July and August dazzled with over 330 hours each, but still maintains a vibrant glow compared to the cooler months ahead. This pattern highlights a declining trend in daylight hours, starting from the sizzling highs of summer, yet September’s warmth extends the playful days and colorful sunsets, inviting locals to savor the lingering sunshine before the shift to the crispness of fall arrives. Enjoying September’s sunshine feels like a radiant farewell to summer’s embrace, making it a perfect time for outdoor adventures and gatherings.

Monthly Sunshine Duration in Hudson: September Highlighted

The September sunshine duration represents the total number of hours Hudson 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.
JanFebMarAprMayJunJulAugSepOctNovDec128h171h242h232h270h321h331h325h283h211h182h153h
Data source: Hudson September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hudson During September

As September unfolds in Hudson, United States, residents can anticipate a 37% chance of sunny weather, a statistic that highlights a trend towards moderately sunny days as summer transitions into fall. While this percentage is similar to the cooler months of October and May, it reflects a gentle decline from the sunnier months of March and April, which boast chances of sunshine above 40%. Interestingly, the likelihood of sun in September is a notch higher compared to the darker winter months like December and February, making it a pleasant time to enjoy the tail end of warm weather. Overall, while the chance of sunny days in September may not be the highest, it certainly offers a balanced and enjoyable experience for those looking to savor the changing seasons.

Percentage of Sunny Days in September in Hudson

The chart illustrates the percentage of sunny days in Hudson 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 Hudson experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%28%53%41%37%41%32%32%37%37%49%26%
Data source: Hudson September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hudson in September

In Hudson, United States, September marks a transitional month as daylight begins to wane, offering about 12 hours of sunshine. This decline follows a summer peak in June, where residents enjoyed a generous 15 hours of daylight. As autumn approaches, the days gradually shorten, decreasing from a vibrant 14 hours in May to the moderate 13 hours in August. The pattern suggests a gentle but steady retreat of daylight, preparing the community for the shorter days ahead in October and November, which drop to 11 and then 9 hours respectively. This rhythm of daylight not only influences daily activities but also heralds the arrival of cozy evenings and the beauty of changing seasons.

Average Daylight Hours in Hudson for September

The chart illustrates the variation in daylight duration in Hudson throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 28m10h 34m11h 58m13h 23m14h 36m15h 12m14h 52m13h 47m12h 25m11h9h 46m9h 7m
Data source: Hudson daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hudson

As September unfolds in Hudson, the wind begins to stir with a modest average speed of 2.6 m/s (6 mph), signaling a subtle transition from the summer lull. This gentle breeze is a reflection of the shifting seasons, as wind speeds gradually climb from a summer low of 2.0 m/s in July, before dipping slightly in October. The cooler temperatures of fall start to emerge, inviting a fresh touch to the landscapes. Analyzing the trends, it's clear that the months leading up to September have seen a gradual decrease in wind speed, with a slight revival as the autumnal equinox approaches. This interplay between the waning summer heat and the encroaching autumn creates a delightful balance, hinting at the seasonal changes to come.

Average September Wind Speed in Hudson

The chart displays monthly wind speed patterns in Hudson, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.83.52.92.52.42.02.12.6 m/s2.32.52.8
Data source: Hudson September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hudson Compares to Other Months

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

September and January showcase a striking contrast in weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 33°C (91°F) during the day, making it a comfortable month with an average of 19°C (66°F). The month sees some precipitation, totaling 95 mm (3.7 in) over 9 days, with humidity averaging 72%. In stark contrast, January plunges into the depths of winter, where nighttime lows can reach a frigid -22°C (-8°F) and average just -2°C (29°F) during the day, peaking at 18°C (64°F). Precipitation is less frequent in January, measured at 67 mm (2.6 in) over only 7 days, but humidity is higher at 89%. For more details, check out Hudson weather in January.

September and February present contrasting weather patterns, reflecting the transition from summer to winter. In September, temperatures vary widely from a cool 2°C (36°F) at night to a warm average of 19°C (66°F) during the day, peaking at a maximum of 33°C (91°F). The month sees a total precipitation of 95 mm (3.7 in) over 9 days, with humidity around 72%. In stark contrast, February is much colder, with temperatures ranging from a frigid -25°C (-12°F) at night to a daytime average of 0°C (31°F), peaking at 23°C (73°F). It experiences slightly less precipitation at 83 mm (3.3 in) over 11 days but has a higher humidity level of 88%. For more details on the February climate, check out Hudson weather in February.

In comparing the weather of September and March, we can see significant differences in temperature and conditions. September typically boasts a more moderate climate, with temperatures ranging from a chilly 2°C (36°F) at night to a warm 33°C (91°F) during the day, averaging around 19°C (66°F). In contrast, March is much cooler, with nighttime lows plummeting to -14°C (6°F) and daytime highs reaching only 25°C (76°F), yielding an average of just 3°C (37°F).

Furthermore, September experiences higher humidity at 72%, while March’s humidity is notably higher at 86%. Precipitation is relatively similar, with September receiving 95 mm (3.7 in) over 9 days, compared to March's 76 mm (3.0 in) also over 9 days. For a more thorough look at March weather conditions, you can refer to Hudson weather in March.

When comparing the weather in September and April, significant differences in temperature and precipitation patterns emerge. September boasts a wider temperature range, with minimums of 2°C (36°F) and maximums reaching up to 33°C (91°F), resulting in a comfortable average of 19°C (66°F). In contrast, April tends to be cooler, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 29°C (85°F), leading to a notably lower average of 9°C (49°F). Additionally, April experiences more precipitation, totaling 122 mm (4.8 in) across 13 days, compared to September’s 95 mm (3.7 in) over 9 days. The increased humidity in both months, with September at 72% and April at 84%, contributes to a feeling of moisture in the air. For more detailed information on April's weather, check Hudson weather in April.

When comparing the weather in September and May, we see notable differences in temperature and precipitation patterns. September typically experiences milder temperatures, with a minimum of 2°C (36°F) and an average of 19°C (66°F), while May can be slightly cooler with minimums reaching 0°C (33°F) and an average of 15°C (60°F). Both months can fluctuate significantly with maximum temperatures peaking at 33°C (91°F) in September and slightly higher at 34°C (93°F) in May. Precipitation is somewhat comparable, with September seeing 95 mm (3.7 in) over 9 days and May receiving 103 mm (4.0 in) across 12 days. Humidity levels are also higher in both months, with September at 72% and May slightly higher at 76%. For more specific insights, you can explore Hudson weather in May.

When comparing the weather in September and June, both months exhibit relatively warm temperatures, with June showing slightly higher averages. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 33°C (91°F), averaging around 19°C (66°F). In contrast, June has a minimum of 6°C (43°F) and can reach up to 34°C (94°F), with an average of 20°C (69°F). Precipitation is slightly higher in September, totaling 95 mm (3.7 in) over about 9 days, whereas June experiences 77 mm (3.0 in) across 10 days. Both months maintain a consistent humidity level of 72%. For more detailed information, you can check Hudson weather in June.

September weather experiences a greater range in temperature compared to July, with minimums dipping as low as 2°C (36°F), while July maintains warmer nights with minimums around 12°C (54°F). The average temperature in September is slightly lower at 19°C (66°F) compared to July's 23°C (75°F). Additionally, September tends to be drier with 95 mm (3.7 in) of precipitation over about 9 rainy days, whereas July is wetter, receiving 116 mm (4.6 in) over approximately 13 days. Humidity levels are also a bit higher in September at 72%, compared to July's 66%. For more details about July weather, you can check Hudson weather in July.

In comparing the weather of September and August, we see some notable differences. September experiences a wider temperature range, with a minimum of 2°C (36°F) and a maximum of 33°C (91°F), while August remains warmer overall, featuring a minimum of 10°C (50°F) and a maximum of 34°C (94°F). The average temperature in September is slightly cooler at 19°C (66°F) compared to August's 23°C (73°F). Precipitation levels are similar, with September receiving 95 mm (3.7 in) over 9 days and August slightly higher at 96 mm (3.8 in) over 11 days. Additionally, September has a higher humidity level at 72%, unlike August, which boasts a more comfortable 64%. For more detailed weather insights, you can check Hudson weather in August.

September and October present a notable contrast in weather patterns. September typically enjoys warmer temperatures, with a minimum of 2°C (36°F) and an average of 19°C (66°F), reaching highs of 33°C (91°F). In contrast, October sees cooler conditions, with temperatures dropping to a minimum of -2°C (29°F) and an average of 13°C (55°F), peaking at 27°C (81°F). Additionally, October experiences increased precipitation, totaling 131 mm (5.2 in) over 10 days, compared to September's 95 mm (3.7 in) over 9 days. The heightened humidity in October at 81% further accentuates the shift in weather, making it feel more damp than the warmer, albeit slightly less humid September. For a detailed overview, check out Hudson weather in October.

In September, the weather is generally warm, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 33°C (91°F) and an average of 19°C (66°F). The month experiences around 9 days of precipitation, totaling 95 mm (3.7 in), accompanied by a humidity level of 72%. In contrast, November ushers in much colder conditions with temperatures dipping down to a minimum of -15°C (4°F) and averaging only 5°C (41°F), while reaching a maximum of 24°C (75°F). This month sees slightly less precipitation, totaling 90 mm (3.6 in) over about 10 days, but the humidity increases to 87%. For more specific details on November weather in Hudson, you can check Hudson weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 2°C (36°F) and an average of 19°C (66°F), reaching a maximum of 33°C (91°F). This month also experiences around 95 mm (3.7 in) of precipitation over approximately 9 days, accompanied by a humidity level of 72%. In contrast, December brings a significant drop in temperatures, where the minimum can reach as low as -18°C (0°F) and averages around 1°C (33°F), peaking at 16°C (62°F). Despite a slightly lower total precipitation of 91 mm (3.6 in) across 11 days, December experiences higher humidity at 84%. For more detailed insights on the winter climate, check out Hudson weather in December.

Compare Hudson's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hudson

As September unfolds in Hudson, it brings a unique shift in weather compared to the warmer summer months. With temperatures gradually cooling down, the average becomes more comfortable, hovering around a pleasant 19°C, while the maximum can still reach a steamy 33°C. Rainfall is also notable this month, with precipitation occurring on about a third of the days, contributing to an overall humid atmosphere that lingers at 72%. This blend of warmth and moisture sets September apart, creating a vibrant backdrop for the changing foliage. For more detailed insights, check out Hudson Climate.