September Weather in The Galena Territory, United States

Last updated: February 24, 2025

September in The Galena Territory, United States showcases a dynamic climate, where temperatures can soar to a maximum of 33°C (91°F), while averaging a pleasant 19°C (66°F). Early mornings and evenings can be brisk, dipping down to a cool 2°C (37°F). This month offers a moderate precipitation total of 110 mm (4.3 in) over 9 days, contributing to the lush landscapes and vibrant fall foliage. With humidity levels hovering around 74%, visitors can expect a mix of warm sun and refreshing breezes, making it an ideal time to explore the natural beauty of the area.

September Temperature in The Galena Territory

In September, temperatures in the Galena Territory begin to shift considerably as summer gives way to the first hints of autumn. With a minimum temperature of 2°C (37°F) and an average of 19°C (66°F), the area experiences a noticeable drop from the heat of summer, while still boasting a maximum of 33°C (91°F) on warmer days. This transitional month showcases a delightful blend of crisp mornings and pleasantly warm afternoons, making it perfect for outdoor activities. As daylight gradually wanes and foliage starts to change, September becomes an ideal time to enjoy the vibrant landscapes and the refreshing breeze typical of this time of year, hinting at the cooler months ahead.

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

The chart illustrates September temperature patterns in The Galena Territory, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec222337476072757166523730
Data source: Temperature data for The Galena Territory 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 Galena Territory

In September, The Galena Territory experiences a notable uptick in precipitation, with 110 mm (4.3 in) of rain falling over 9 days. This marks a continuation of the summer's wetter pattern, as the region transitions into autumn. While August brought 102 mm (4.0 in), September's rainfall suggests a trend towards more substantial moisture as temperatures begin to drop. The consistent precipitation in these late summer and early fall months plays a crucial role in rejuvenating the local landscape, setting the stage for vibrant autumn foliage. As we move into October, the trend seems to persist, with an expected slight increase in rainfall, highlighting the area’s dynamic climatic shifts.

September Precipitation Trends in The Galena Territory

The chart displays monthly precipitation patterns in The Galena Territory, 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.
JanFebMarAprMayJunJulAugSepOctNovDec53596589144133861021101144544
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in The Galena Territory

In September, the humidity in The Galena Territory stands at a comfortable 74%, marking a subtle decline from the peak summer months. This drop reflects a gradual transition as the region shifts from the warm, humid days of August, which averaged 69%, towards the cooler autumn months. Notably, September's humidity remains higher than that of late spring and summer, showcasing the lingering effects of the season’s warmth. However, as the year progresses, we can anticipate a rise in humidity once again, peaking in the winter months where levels reach 88% in November. This cyclical pattern reveals the region's characteristic shifts and underscores the importance of humidity in shaping the local climate throughout the year.

September Average Humidity in The Galena Territory

This chart illustrates the average monthly humidity levels in The Galena Territory, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%84%83%75%79%75%69%74%79%88%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in The Galena Territory

As summer fades into autumn, September in The Galena Territory continues to showcase a very high UV Index of 8, resulting in a burn time of just 15 minutes. This slight dip from the summer peak of 10 indicates that while the days are becoming shorter and cooler, sun protection remains crucial. Notably, the UV Index in September is still significantly higher than the moderate levels experienced in the earlier months of the year, like January and February, where burn times stretched to 30 minutes. With this trend in mind, it’s important for residents and visitors to stay vigilant about sun safety throughout September. For detailed information, check out The Galena Territory UV Index.

Maximum UV Index Levels in The Galena Territory for September

The chart shows the monthly maximum UV Index (UVI) for The Galena Territory 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: The Galena Territory 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 Galena Territory

As summer transitions into fall, September in The Galena Territory offers a beautiful balance of warm days and cool evenings, characterized by an impressive 273 hours of sunshine. This marks a gentle decline from the sun-drenched peak of July, which boasts a remarkable 361 hours, while still remaining substantially brighter than the earlier months of the year. April and May initiate the gradual increase in sunlight, setting the stage for an abundance of summer rays. Although September signals the slow retreat of summer brightness, it provides plenty of opportunities to enjoy the stunning landscape, making it a perfect time for outdoor activities before the cooler months take hold.

Monthly Sunshine Duration in The Galena Territory: September Highlighted

The September sunshine duration represents the total number of hours The Galena Territory 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.
JanFebMarAprMayJunJulAugSepOctNovDec133h194h234h241h264h328h361h333h273h214h198h189h
Data source: The Galena Territory September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in The Galena Territory During September

In The Galena Territory, September ushers in a noticeable shift in sunny prospects, boasting a 62% chance of sunshine—the highest of the year. This upward trend from the preceding months highlights a transition from the summer's peak, characterized by August's 57% sun-filled days, into a comfortably bright autumn. As the summer heat wanes, residents and visitors alike can rejoice in the vibrant scenery under more consistent blue skies, making September an ideal time for outdoor activities and exploration in this picturesque setting. Overall, the increasing likelihood of sunny weather not only marks a seasonal change but also enhances the charm of The Galena Territory.

Percentage of Sunny Days in September in The Galena Territory

The chart illustrates the percentage of sunny days in The Galena Territory 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 Galena Territory experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%35%43%36%36%50%45%57%62%36%42%38%
Data source: The Galena Territory September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in The Galena Territory in September

As summer's warmth gives way to the crispness of autumn, September in The Galena Territory ushers in a gentle reduction in daylight, offering approximately 12 hours of sunlit hours. This marks a notable shift from the vibrant 15 hours experienced in June, reflecting a gradual transition as daylight ebbs following the peak of summer. Following September, a steady decrease continues, with daylight narrowing down to 11 hours in October and 9 hours by November, illustrating the rhythmic change the seasons bring. This gradual decline not only signals the approach of fall but also invites a sense of coziness and reflection as nature prepares for the tranquility of winter.

Average Daylight Hours in The Galena Territory for September

The chart illustrates the variation in daylight duration in The Galena Territory throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 34m11h 58m13h 24m14h 36m15h 13m14h 53m13h 48m12h 25m11h9h 45m9h 6m
Data source: The Galena Territory daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in The Galena Territory

As September rolls into The Galena Territory, the average wind speed registers at a refreshing 3.1 m/s (7 mph), a slight rise from the hushed breezes of summer. This seasonal transition marks a resurgence in wind activity, with speeds comparable to those seen earlier in the year, specifically in January and February. Interestingly, this uptick follows a gradual decline from late spring through the summer months, where wind speeds dipped to a modest 2.5 m/s (6 mph) in August. The shift towards September heralds a more dynamic atmosphere, hinting at the approaching autumn, which will later see November's winds escalate to 3.8 m/s (9 mph). This cyclical pattern creates a rhythmic ebb and flow, reminding us of the ever-changing dance of nature in this picturesque region.

Average September Wind Speed in The Galena Territory

The chart displays monthly wind speed patterns in The Galena Territory, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.33.93.63.42.82.62.53.1 m/s3.23.83.7
Data source: The Galena Territory September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in The Galena Territory Compares to Other Months

The weather in The Galena Territory 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 Galena Territory and find detailed weather information for every month.

September and January offer stark contrasts in weather conditions. In September, temperatures range from a minimum of 2°C (37°F) to a maximum of 33°C (91°F), with an average of 19°C (66°F), and the month typically sees around 110 mm (4.3 in) of precipitation over 9 days, accompanied by a humidity level of 74%. In contrast, January’s temperatures plummet, with lows reaching -32°C (-26°F) and highs peaking at just 11°C (52°F), resulting in an average temperature of -6°C (22°F). January experiences significantly less precipitation, at 53 mm (2.1 in) over 8 days, with humidity slightly higher at 84%. For a detailed look at the January climate, check out The Galena Territory weather in January.

September and February present contrasting weather patterns, showcasing the seasonal extremes. In September, temperatures range from a chilly 2°C (37°F) to a warm 33°C (91°F), with an average of 19°C (66°F) and 110 mm (4.3 in) of precipitation over about 9 days. The humidity is moderate at 74%, contributing to a generally pleasant atmosphere.

In stark contrast, February experiences much colder conditions with temperatures ranging from a biting -33°C (-27°F) to a mild 20°C (69°F), averaging around -5°C (24°F). Precipitation is lower at 59 mm (2.3 in) over 8 days, but the higher humidity at 85% can make the cold feel even more intense. For more detailed insights, you can check The Galena Territory weather in February.

When comparing the weather in September and March, notable differences emerge. September typically enjoys a much warmer climate, with average temperatures around 19°C (66°F) while reaching maximums of 33°C (91°F). In contrast, March is considerably colder, featuring an average temperature of just 3°C (38°F) and minimums dipping to -24°C (-11°F).

Precipitation levels also differ, with September experiencing 110 mm (4.3 in) of rain across approximately 9 days, while March sees less rainfall at 65 mm (2.6 in) over the same number of days. Additionally, humidity is slightly lower in September at 74%, compared to a higher 84% in March.

For more detailed information on March weather, visit The Galena Territory weather in March.

When comparing the weather in September and April, notable differences emerge. September generally offers warmer temperatures, with an average of 19°C (66°F) and a maximum reaching up to 33°C (91°F), while April's average temperature is significantly cooler at 8°C (47°F), peaking at 26°C (80°F). Additionally, September experiences more pleasant conditions with a lower humidity of 74%, compared to April's higher humidity at 83%. Rainfall also varies, with September averaging 110 mm (4.3 in) over 9 days, in contrast to April's 89 mm (3.5 in) over 11 days. For more detailed information about April weather, check out The Galena Territory weather in April.

When comparing the weather in September and May, it's clear that both months exhibit a range of temperatures but with some notable differences. In September, the average temperature is slightly warmer at 19°C (66°F), peaking at a maximum of 33°C (91°F), while May starts cooler with an average of 16°C (61°F) and a maximum reaching 34°C (94°F). Precipitation levels are higher in May, with 144 mm (5.7 in) over 14 days compared to September’s 110 mm (4.3 in) over 9 days. Humidity remains quite similar, with September at 74% and May at 75%. For more detailed insights, you can check The Galena Territory weather in May.

When comparing the weather in September and June, both months exhibit warm temperatures, but with distinct differences in their averages and extremes. September features a broader temperature range, with minimums dropping to 2°C (37°F) and maximums soaring to 33°C (91°F), while June offers milder lows of 9°C (49°F) and slightly higher highs of 34°C (93°F). Precipitation is also notable, with September seeing 110 mm (4.3 in) of rain over about 9 days, compared to June's 133 mm (5.2 in) across 11 days. Additionally, humidity levels are relatively high in both months, with September averaging 74% and June slightly higher at 79%. For more detailed weather patterns, you can check The Galena Territory weather in June.

When comparing the weather in September to that of July, it's clear that September offers a broader range of temperatures, with a minimum of 2°C (37°F) and a maximum of 33°C (91°F). In contrast, July's temperatures are more consistently warm, ranging from a minimum of 12°C (55°F) to a maximum of 35°C (95°F). Precipitation levels are slightly higher in September at 110 mm (4.3 in) over 9 days, compared to July's 86 mm (3.4 in) over 11 days. Both months experience similar humidity, hovering around 74-75%, but September tends to bring more variability in temperatures. For more detailed information on July weather, check out The Galena Territory weather in July.

September's weather exhibits a broader temperature range compared to August, with minimum temperatures dropping to 2°C (37°F) and maximums reaching 33°C (91°F), while August's temperatures remain milder, fluctuating between 11°C (52°F) and 32°C (90°F). Although September's average temperature drops slightly to 19°C (66°F) from August's 22°C (72°F), it also brings increased humidity levels at 74%, compared to August's 69%. Additionally, while precipitation in September is slightly higher at 110 mm (4.3 in) over 9 days, August experiences a comparable 102 mm (4.0 in) over 10 days. For more details, visit The Galena Territory weather in August.

September and October display contrasting weather patterns, reflecting the transition from summer to autumn. In September, temperatures range from a mild minimum of 2°C (37°F) to a warm maximum of 33°C (91°F), with an average of 19°C (66°F). The month receives 110 mm (4.3 in) of precipitation over about 9 rain days, accompanied by a humidity level of 74%. In contrast, October experiences cooler conditions, with a minimum of -5°C (23°F), an average of 11°C (52°F), and a maximum of 30°C (86°F). Precipitation slightly increases to 114 mm (4.5 in) over 12 days, and humidity rises to 79%. For more detailed weather information, check out The Galena Territory weather in October.

September generally experiences warmer conditions compared to November, with temperatures averaging around 19°C (66°F) and reaching highs of 33°C (91°F). In contrast, November brings a significant drop in temperature, where the average is just 3°C (37°F) and the maximum only reaches 22°C (72°F). While September is characterized by higher humidity levels of 74% and more rainfall, totaling 110 mm over 9 days, November sees a lower precipitation rate of 45 mm over 7 days, accompanied by an increase in humidity to 88%. For a closer look at November's weather specifics, you can visit The Galena Territory weather in November.

September and December present starkly contrasting weather conditions. In September, temperatures range from a mild 2°C (37°F) at night to a warm 33°C (91°F) during the day, with an average of 19°C (66°F), alongside relatively high humidity at 74%. Rainfall is also notable, with 110 mm (4.3 inches) of precipitation spread over 9 days. In contrast, December plunges into winter, with temperatures dropping to a minimum of -21°C (-6°F) and an average of -1°C (30°F), peaking at just 20°C (67°F). This month experiences much less rainfall, with only 44 mm (1.7 in) over 6 days, and an increase in humidity to 82%. For more on December conditions, check out The Galena Territory weather in December.

Compare The Galena Territory's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in The Galena Territory

September in The Galena Territory marks a transition from the heat of summer to the cooler embrace of autumn, making it a unique month in its climate profile. With maximum temperatures still reaching a warm 33°C, the average cools down significantly, allowing for more pleasant days. Precipitation becomes more prominent, with rainfall occurring on approximately a third of the month, contributing to the lush fall foliage that begins to emerge. This month’s higher humidity levels serve to keep the air feeling heavier, contrasting with the drier conditions typically experienced in both July and August. As you prepare for your visit, understanding these changes can enhance your experience in this picturesque region. For more details on the climate, visit The Galena Territory Climate.