September Weather in Ely, United States

Last updated: February 24, 2025

In September, Ely, United States experiences a dynamic array of weather patterns, characterized by a maximum temperature reaching 28°C (82°F) and a refreshing average of 14°C (57°F). As the month progresses, temperatures can dip to a cool minimum of 0°C (31°F), signaling the onset of autumn. Precipitation is significant, with an accumulation of 119 mm (4.7 in) over approximately 15 days, contributing to a humidity level of 73% that often envelops the region. This blend of temperatures and moisture creates a unique, vibrant atmosphere, showcasing the transition into the fall season.

September Temperature in Ely

In September, Ely, United States begins to transition from the warmth of summer to the cool embrace of autumn. With temperatures starting at a minimum of 0°C (31°F) and peaking at an inviting 28°C (82°F), the average temperature settles around 14°C (57°F), offering a pleasant respite from the sweltering heat of July and August. As daylight hours start to dwindle and the leaves prepare to change, Ely showcases a beautiful balance—neither too hot nor too cold. This month marks a significant shift: compared to the sweltering highs of summer, September brings a refreshing coolness that hints at the winter months ahead, reminding residents and visitors that nature’s rhythm is ever-present.

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

The chart illustrates September temperature patterns in Ely, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec9825355062686557432716
Data source: Temperature data for Ely generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ely

September marks a significant shift in precipitation patterns for Ely, United States, as the region experiences a dramatic increase in rainfall. With 119 mm (4.7 in) of precipitation spread over 15 days, September stands out as the wettest month of the year. This surge follows a steady rise in rainfall from June to August, where accumulated moisture gradually built up, allowing for a more pronounced release in early autumn. The increased frequency of rainy days not only contributes to the overall monthly total but also sets the stage for the transition into fall, making September a pivotal month for replenishing local water sources. This upward trend in precipitation underscores the evolving climate dynamics that characterize Ely's seasonal weather patterns.

September Precipitation Trends in Ely

The chart displays monthly precipitation patterns in Ely, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2530325862778791119975156
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Ely

In September, Ely experiences a slight uptick in humidity at 73%, marking a transition as summer gives way to fall. This month stands out as the humidity begins to rise after reaching an annual low of 70% in July. The trend shows a gradual decrease in humidity through the warmer months, starting from a high of 93% in January and February, before stabilizing in the mid-70s. As autumn approaches, humidity levels climb again, hinting at the moisture-laden air that often accompanies the incoming cooler temperatures of October and beyond. This fluctuation not only enriches the region's dynamic climate but also prepares the environment for the seasonal shifts ahead.

September Average Humidity in Ely

This chart illustrates the average monthly humidity levels in Ely, 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.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%89%85%76%71%70%71%73%82%88%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ely

As summer fades into autumn, Ely experiences a noticeable shift in UV exposure. September's UV Index stands at 7, indicating a high risk of harm from unprotected sun exposure, with a recommended burn time of 25 minutes. This marks a slight decline from the peak summer months, particularly July and August, where the index reached a high of 9. Despite the decrease, the UV levels remain significant, urging residents and visitors to stay mindful about sun safety as fall approaches. For more detailed insights on sun exposure throughout the year, visit Ely UV Index.

Maximum UV Index Levels in Ely for September

The chart shows the monthly maximum UV Index (UVI) for Ely 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.
JanFebMarAprMayJunJulAugSepOctNovDec245789987422
Data source: Ely 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 Ely

In Ely, United States, the arrival of September brings a delightful mix of warmth and light, showcasing 225 hours of sunshine. This marks a gentle decline from the sun-soaked peak of July with its impressive 350 hours, while still providing a generous amount of daylight. As summer transitions to fall, September enjoys more sun than the earlier months, significantly outperforming the wintry gloom of January with its mere 112 hours. The sunshine trend reflects the region's seasonal shift, providing a bridge between the abundant light of summer and the cooler, shorter days ahead. With its clear skies and golden sunlight, September is a beautiful time to embrace the lingering warmth before autumn fully sets in.

Monthly Sunshine Duration in Ely: September Highlighted

The September sunshine duration represents the total number of hours Ely 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.
JanFebMarAprMayJunJulAugSepOctNovDec112h187h245h250h297h341h350h298h225h161h126h133h
Data source: Ely September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ely During September

In Ely, the likelihood of enjoying sunny weather in September stands at a pleasant 44%, making it one of the brighter months as summer transitions into fall. This represents a slight dip from the peak sunny days of July and August, which boast 59% and 53% chances, respectively. However, September still holds its own, outpacing the sunniest winter months, whose probabilities linger below 30%. Overall, as summer wanes, residents and visitors in Ely can still count on a generous share of sunshine before the cooler months set in.

Percentage of Sunny Days in September in Ely

The chart illustrates the percentage of sunny days in Ely 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 Ely experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%33%43%29%46%49%59%53%44%27%25%17%
Data source: Ely September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ely in September

As summer fades into autumn, September in Ely ushers in a noticeable shift in daylight duration. With 12 hours of daylight, it marks a gentle decline from the sun-soaked days of summer, where June, July, and August bask in the maximum of 15 hours. This transition highlights the rhythm of the seasons, showcasing a gradual decrease that continues into the cooler months. Following September, October and November present even shorter days, reminding us of the impending winter months where daylight dwindles to just 9 hours by November. Overall, the pattern reflects an annual cycle, transitioning from the long, bright days of summer to the shorter, twilight-filled evenings of fall and winter.

Average Daylight Hours in Ely for September

The chart illustrates the variation in daylight duration in Ely throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 52m10h 14m11h 56m13h 41m15h 11m15h 56m15h 31m14h 11m12h 30m10h 46m9h 14m8h 26m
Data source: Ely daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ely

As September arrives in Ely, the wind begins to pick up, averaging 3.4 m/s (8 mph), reflecting a gentle yet refreshing breeze that signals the transition into fall. This slight uptick in wind speed follows a summer lull, peaking in August with 3.6 m/s (8 mph), and sets the stage for the brisker conditions of autumn. Although the winds are not particularly fierce, they provide a consistent backdrop, smoothening the shift from the warmer months. Notably, September's breeze is a precursor to November's more pronounced gusts, where average speeds rise to 3.9 m/s (9 mph). Together, these trends create a rhythm of breezy days that accompany the colorful changes in the landscape, inviting residents and visitors alike to embrace the beauty of the season.

Average September Wind Speed in Ely

The chart displays monthly wind speed patterns in Ely, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.23.73.13.23.02.73.63.4 m/s3.33.93.7
Data source: Ely September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ely Compares to Other Months

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

In September, temperatures in the region range from a minimum of 0°C (31°F) to a maximum of 28°C (82°F), with an average of 14°C (57°F). This month experiences moderate precipitation, totaling 119 mm (4.7 in) over approximately 15 days, coupled with a humidity level of 73%. In stark contrast, January presents a frigid climate where temperatures can plummet to a minimum of -34°C (-29°F) and only reach a maximum of 4°C (40°F), averaging -13°C (9°F). Precipitation is considerably lower in January, amounting to just 25 mm (1.0 in) over about 6 days, while the humidity rises to a notable 93%. For more detailed information about January weather in Ely, check Ely weather in January.

September and February present starkly contrasting weather conditions. In September, temperatures range from a minimum of 0°C (31°F) to a warm maximum of 28°C (82°F), with an average temperature of 14°C (57°F). The month experiences considerable precipitation with 119 mm (4.7 in) spread over 15 days, and humidity levels around 73%. In contrast, February is characterized by frigid temperatures, with a minimum of -36°C (-33°F) and an average of -13°C (9°F), peaking at just 9°C (49°F). Precipitation is significantly lower, totaling only 30 mm (1.2 in) on about 6 days, while humidity climbs to 93%. For more details on the weather specifics during this winter month, you can check out Ely weather in February.

September and March present stark contrasts in weather conditions. September sees a wide temperature range, with minimums around 0°C (31°F) and maximums reaching 28°C (82°F), alongside significant rainfall of 119 mm (4.7 in) over 15 days and a more moderate humidity level of 73%. In contrast, March typically experiences much colder temperatures, with lows plummeting to -27°C (-17°F) and an average of -4°C (25°F). Precipitation in March is notably lower at 32 mm (1.3 in) over just 5 days, but humidity is higher at 89%. For more detailed weather information during this time, you can explore Ely weather in March.

In comparing the weather of September and April, it is evident that September offers milder temperatures, with a minimum of 0°C (31°F) and an average of 14°C (57°F), peaking at 28°C (82°F). In contrast, April experiences colder conditions, with a minimum temperature of -16°C (4°F) and an average of just 2°C (35°F), reaching a maximum of 20°C (68°F). Precipitation levels in September are higher, with 119 mm (4.7 in) and rainfall on 15 days, while April sees only 58 mm (2.3 in) over 8 days. Additionally, humidity is slightly lower in September at 73% compared to 85% in April, contributing to a sharper chill in the spring month. For more detailed insights into April weather, visit Ely weather in April.

September and May exhibit notable differences in weather patterns. September tends to be warmer, with average temperatures around 14°C (57°F) and a maximum of 28°C (82°F), while May is cooler, averaging 10°C (50°F) with similar peak temperatures of 27°C (82°F). Precipitation is more frequent in September, with 119 mm (4.7 in) spread over 15 days, compared to May's 62 mm (2.4 in) over 9 days. Additionally, September has a humidity level of 73%, slightly lower than May's 76%. For a closer look at May weather specifics, check out Ely weather in May.

When comparing the weather in September to June, we can observe some notable differences. September typically has a wider temperature range, with minimums around 0°C (31°F) and maximums reaching 28°C (82°F). In contrast, June starts warmer, with minimum temperatures of 3°C (38°F) and maximums peaking at 31°C (88°F). In terms of precipitation, September sees significantly higher rainfall, averaging 119 mm (4.7 in) over 15 days, compared to June's 77 mm (3.0 in) over just 14 days. Humidity levels are fairly similar, with September at 73% and June slightly lower at 71%. For more detailed information on June weather, you can visit Ely weather in June.

September weather features a wider temperature range, with minimums dropping to 0°C (31°F) and maximums reaching 28°C (82°F), while the average is cooler at 14°C (57°F). This month also experiences higher precipitation levels, totaling 119 mm (4.7 in) across about 15 days, alongside a humidity of 73%. In contrast, July is warmer, with minimum temperatures at 9°C (48°F) and maximums soaring to 35°C (96°F), resulting in a higher average of 20°C (68°F). July sees less precipitation, totaling 87 mm (3.4 in) over 11 days, and slightly lower humidity at 70%. For more details on July weather, you can check Ely weather in July.

In comparison to August, September experiences cooler temperatures, with a minimum of 0°C (31°F) compared to August's minimum of 8°C (46°F). The average temperature in September dips to 14°C (57°F), while August maintains a warmer average of 18°C (65°F). Additionally, September sees a slightly higher amount of precipitation, totaling 119 mm (4.7 in) over 15 days, compared to August's 91 mm (3.6 in) over 11 days. Humidity remains relatively consistent, with September at 73% and August at 71%. For more details, you can check Ely weather in August.

September and October weather exhibit notable differences in temperature and humidity. September sees a milder average temperature of 14°C (57°F), with maximums reaching 28°C (82°F), while October experiences a cooler average of 6°C (43°F), peaking at 25°C (78°F). In terms of precipitation, September is slightly wetter with 119 mm (4.7 in) over 15 days compared to October's 97 mm (3.8 in) also spread across 15 days. Interestingly, October has a higher humidity level at 81% compared to September's 73%. For more detailed information, check out Ely weather in October.

September and November present stark contrasts in weather conditions. In September, temperatures range from a chilly 0°C (31°F) at night to a warm 28°C (82°F) during the day, with an average of 14°C (57°F). The month experiences significant rainfall, totaling 119 mm (4.7 in) over 15 days, and humidity levels are around 73%. In contrast, November sees much colder temperatures, with a minimum of -19°C (-2°F) and an average of -3°C (27°F). Although daytime highs can reach 20°C (67°F), the overall climate is considerably cooler, accompanied by reduced precipitation of 51 mm (2.0 in) over 11 days and higher humidity at 87%. For more detailed insights into November weather, check out Ely weather in November.

September and December weather present a striking contrast. In September, temperatures range from a cool 0°C (31°F) at night to a warm 28°C (82°F) during the day, with an average of 14°C (57°F). The month sees about 119 mm (4.7 in) of precipitation over 15 days and maintains a humidity level of 73%. In stark contrast, December plunges into the depths of winter, with temperatures dropping to a chilling -33°C (-26°F) at night and peaking at just 6°C (44°F), and an average temperature of -9°C (16°F). Precipitation is considerably lower at 56 mm (2.2 in) across 10 days, but the humidity rises to 91%, giving December a more oppressive, cold atmosphere. For more detailed insights on December weather, check out Ely weather in December.

Compare Ely's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ely

As September rolls in, Ely's weather transforms, showcasing a delightful mix of summer’s warmth and the crispness of approaching autumn. The temperatures range from pleasantly warm days to cooler nights, marking a shift from the heat of summer. However, it’s also a month characterized by increased precipitation, with frequent showers that often lend a serene ambiance to the landscape. With humidity levels around 73%, the air feels rich and robust, creating perfect conditions for witnessing the vibrant fall foliage. To explore more about Ely's climate and how it evolves throughout the year, visit Ely Climate.