September Weather in Wall, United States

Last updated: February 24, 2025

In September, Wall, United States experiences a striking climate characterized by a maximum temperature soaring to 39°C (103°F) while the average rests at a comfortable 18°C (65°F). The month also sees chilly nights, with temperatures dipping to a brisk 0°C (32°F). Precipitation is relatively moderate, totaling 41 mm (1.6 in) across 6 days, contributing to a humid environment with an average humidity level of 72%. This combination of warmth, cool nights, and occasional rainfall shapes a dynamic weather pattern that reflects the seasonal transition into autumn.

September Temperature in Wall

September in Wall, United States, marks a transition towards cooler days as summer wanes. With temperatures ranging from a minimum of 0°C (32°F) to a maximum of 39°C (103°F), this month presents a unique blend of warmth that lingers from summer while hinting at the approaching autumn chill. The average temperature settles at 18°C (65°F), providing a comfortable backdrop for outdoor activities. As the heat of July and August gives way to the briskness of October, September showcases a remarkable contrast with highs that can still reach into the low 40s°C. The gradual drop in nighttime temperatures adds to the month’s charm, signaling nature’s shift while still offering a taste of summer’s last hurrah.

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

The chart illustrates September temperature patterns in Wall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec242136445771777365473728
Data source: Temperature data for Wall 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 Wall

In September, Wall, United States, experiences a moderate precipitation level, with 41 mm (1.6 in) of rain falling over 6 days. This aligns with the previous month, August, which also saw a total of 38 mm (1.5 in), reflecting a slight decrease in rainfall as the region transitions from summer into the early days of autumn. Notably, September’s rainfall is consistent with the amounts recorded in March and July, demonstrating a relatively stable pattern of precipitation as the year progresses. As the days grow shorter and temperatures begin to drop, the consistent precipitation in early fall sets the stage for the varied weather trends typical of the region in the months ahead.

September Precipitation Trends in Wall

The chart displays monthly precipitation patterns in Wall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec131942628369813841421226
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wall

As September rolls in, Wall, United States, experiences a slight dip in humidity, averaging 72%—a refreshing change after the summer months, which consistently hover in the low to mid 80% range. This gradual decrease signals the transition from the sweltering summer heat to the crispness of autumn. While January and February start the year on a high note with 74% and 79% humidity, respectively, September's levels still align closely with the year's overall average, particularly following the humid peaks of June, July, and August. As the seasons shift, residents can anticipate lower humidity, making outdoor activities all the more enjoyable in the coming months.

September Average Humidity in Wall

This chart illustrates the average monthly humidity levels in Wall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec74%79%65%69%75%84%84%83%72%68%75%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wall

As September unfolds in Wall, United States, residents and visitors can expect a very high UV Index of 8, indicating a significant risk of harm from unprotected sun exposure. This month marks a gradual decline from the peak UV levels of 10 seen in the summer months, yet the burn time remains short at just 15 minutes for fair-skinned individuals. Overall, the trends throughout the year show a dynamic UV Index, peaking during the summer (June to August) and moderating as the seasons change. As you enjoy the early autumn sunlight, make sure to protect your skin and stay informed about the Wall UV Index.

Maximum UV Index Levels in Wall for September

The chart shows the monthly maximum UV Index (UVI) for Wall 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.
JanFebMarAprMayJunJulAugSepOctNovDec356891010108532
Data source: Wall 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 Wall

As summer gracefully transitions into autumn, September in Wall, United States, sees a significant dip in sunshine hours, offering a total of 282 hours. This marks a decline from the sun-drenched days of July and August, which boasted 377 and 350 hours, respectively. However, September still enjoys a robust amount of sunlight compared to the early months of the year, where sunshine often languishes below 300 hours. This trend illustrates the fading rays of summer while hinting at the cooler, cloudier days ahead, as the city bids farewell to the high-energy summer months and welcomes the gentle warmth of fall.

Monthly Sunshine Duration in Wall: September Highlighted

The September sunshine duration represents the total number of hours Wall 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.
JanFebMarAprMayJunJulAugSepOctNovDec168h212h253h277h297h370h377h350h282h246h223h206h
Data source: Wall September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wall During September

In September, Wall, United States, enjoys a notable likelihood of sunny weather, with a 67% chance of sunshine, closely aligning with the peak summer months. This sunny disposition follows a progressive trend seen through the summer, where August boasts the highest chance at 73%, while July and June also remain robust at 65% and 67%, respectively. As the season transitions, September maintains this encouraging weather pattern before cooler autumn months set in, offering residents and visitors alike a pleasant farewell to summer. The gradual decline in sunny days from late summer into the fall is evident, but September still stands out as a relatively bright and appealing time to enjoy the outdoors.

Percentage of Sunny Days in September in Wall

The chart illustrates the percentage of sunny days in Wall 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 Wall experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%46%53%46%43%67%65%73%67%62%50%46%
Data source: Wall September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wall in September

As summer fades away in September, residents of Wall, United States, experience a noticeable shift in daylight duration, with the month offering about 12 hours of daylight. This marks a gradual decline from the peak of 15 hours seen in June and July, reflecting the transition towards autumn. Following a vibrant summer, daylight hours start to lessen, juxtaposing the increasing chill in the air. This trend continues into October, when daylight dips further to 10 hours, signifying the impending embrace of shorter days and longer nights as the year approaches its end. September, with its fading sunlight, invites a time of reflection, encouraging a deeper connection with the changing seasons.

Average Daylight Hours in Wall for September

The chart illustrates the variation in daylight duration in Wall throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 18m10h 29m11h 57m13h 28m14h 46m15h 24m15h 3m13h 54m12h 26m10h 56m9h 36m8h 56m
Data source: Wall daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Wall

As September arrives in Wall, the winds begin to whisper a gentle retreat, with an average speed of 3.9 m/s (9 mph), slightly lower than the bustling gusts of summer. This month marks a subtle decline from the energetic winds of August, showcasing a trend where the summer months generally experience a lively breeze that averages around 4.0 m/s. As autumn unfolds, the winds tend to pick up again in October, hinting at a seasonal rhythm where lesser winds greet the onset of fall before regaining strength. With each passing month, it's evident that Wall's wind patterns play a crucial role in shaping the region's climate, guiding residents and nature alike through the transition from summer's warmth to winter's chill.

Average September Wind Speed in Wall

The chart displays monthly wind speed patterns in Wall, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.33.64.44.74.24.04.14.03.9 m/s4.64.34.3
Data source: Wall September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Wall Compares to Other Months

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

In September, the weather is significantly warmer, with temperatures ranging from a chilly 0°C (32°F) to a scorching high of 39°C (103°F), and an average temperature of 18°C (65°F). The month experiences about 41 mm (1.6 in) of precipitation over six days, accompanied by a humidity level of 72%. In stark contrast, January delivers frigid conditions, with temperatures plunging as low as -30°C (-22°F), an average of -4°C (25°F), and a maximum of 14°C (57°F). This month sees much less precipitation at 13 mm (0.5 in) over just three days, while humidity remains slightly higher at 74%. For more information on the weather in January, you can check Wall weather in January.

September and February present contrasting weather conditions that are starkly different in both temperature and precipitation. September boasts a wide temperature range with a minimum of 0°C (32°F), an average of 18°C (65°F), and a maximum reaching a scorching 39°C (103°F). In this month, precipitation is relatively low at 41 mm (1.6 in) over 6 days, accompanied by a moderate humidity level of 72%, creating a warm and humid atmosphere.

In stark contrast, February experiences much colder temperatures, with a minimum of -30°C (-21°F), an average of -6°C (22°F), and a maximum of 22°C (73°F). Precipitation in February is lower at 19 mm (0.8 in) over the same number of days, but humidity is slightly higher at 79%, which can make the cold feel even more biting. For a closer look at February's specific weather features, you can refer to Wall weather in February. Overall, these two months highlight the dramatic seasonal shifts experienced in many regions.

September and March exhibit stark contrasts in weather conditions. In September, temperatures range from a minimum of 0°C (32°F) to a scorching maximum of 39°C (103°F), with an average of 18°C (65°F). The month experiences around 41 mm (1.6 in) of precipitation over approximately 6 days and has a humidity level of 72%. In contrast, March sees much colder temperatures, with a minimum plunging to -27°C (-17°F) and a maximum reaching only 23°C (73°F), resulting in an average of just 2°C (36°F). Despite similar precipitation levels of 41 mm (1.6 in) over about 7 days, March has lower humidity at 65%. This dramatic shift in temperature and overall feel highlights the transition from summer to late winter. For more details, check out Wall weather in March.

September and April showcase distinct weather patterns, highlighting the transition between summer and winter. In September, temperatures range from a cool 0°C (32°F) to a scorching 39°C (103°F), with an average of 18°C (65°F). The month experiences relatively low precipitation of 41 mm (1.6 in) across about 6 days, along with humidity levels hovering around 72%. In contrast, April sees much cooler temperatures, with a minimum of -16°C (4°F), an average of 6°C (44°F), and a maximum of 28°C (82°F). This month has a higher precipitation rate of 62 mm (2.4 in) over about 9 days, accompanied by slightly lower humidity at 69%. For more detailed insights about April weather, visit Wall weather in April.

In September, the weather tends to be warmer, with average temperatures reaching 18°C (65°F) and maximums climbing up to 39°C (103°F), while the minimum temperature hovers around 0°C (32°F). In contrast, May experiences cooler conditions, with average temperatures at 14°C (57°F) and maximums peaking at 34°C (93°F), and a slightly lower minimum of -3°C (27°F). Additionally, September sees less precipitation, with 41 mm (1.6 in) over 6 days, compared to May's 83 mm (3.3 in) over 12 days, indicating a wetter month. Humidity levels are similar, with September at 72% and May slightly higher at 75%. For a detailed look at the weather specifics in May, you can visit Wall weather in May.

September and June present distinct weather characteristics. In September, temperatures range from a chilly 0°C (32°F) at night to a high of 39°C (103°F) during the day, with an average temperature of 18°C (65°F). In contrast, June typically starts off warmer, with a minimum temperature of 6°C (44°F), an average of 22°C (71°F), and a peak similar to September at 39°C (102°F). Rainfall is more frequent in June, accumulating to 69 mm (2.7 in) over 8 days, compared to September's 41 mm (1.6 in) over just 6 days. Additionally, humidity levels are higher in June at 84%, compared to 72% in September. For a closer look at June's weather specifics, check out Wall weather in June.

When comparing the weather in September and July, notable differences emerge. September experiences a broader temperature range, with minimums dropping to 0°C (32°F) and maximums reaching up to 39°C (103°F), while the average temperature is a moderate 18°C (65°F). In contrast, July is generally warmer, featuring minimum temperatures of 11°C (52°F) and average highs of 41°C (105°F), with an average temperature of 25°C (77°F). Precipitation also varies between the two months; September sees 41 mm (1.6 in) over 6 days, whereas July has significantly higher precipitation at 81 mm (3.2 in) over 9 days. Additionally, July's humidity is higher at 84%, compared to September's 72%. For more detailed insights on July weather, you can visit Wall weather in July.

In comparing the weather of September to that of August, we notice some distinct differences. September experiences a broader temperature range with a minimum of 0°C (32°F) and an average of 18°C (65°F), while August maintains warmer averages, peaking at 23°C (73°F) with a minimum of 8°C (46°F). Although both months have similar precipitation levels, with September recording 41 mm (1.6 in) and August at 38 mm (1.5 in), September tends to be slightly drier overall, thanks to its higher maximum temperature of 39°C (103°F) compared to August's 40°C (104°F). Additionally, September's humidity at 72% is lower than August's 83%, making the September weather feel less muggy. For a more detailed look at August's conditions, you can visit Wall weather in August.

September and October exhibit notable contrasts in weather. September boasts a warmer average temperature of 18°C (65°F) with maximums reaching up to 39°C (103°F), while October sees a drop in average to 8°C (47°F) and maximums capping at 32°C (90°F). Precipitation levels remain fairly consistent, with September recording 41 mm and October slightly higher at 42 mm, but October experiences one additional day of rain. Humidity levels also show a slight decline from 72% in September to 68% in October, contributing to the overall crispness of the fall air. For more detailed insights, visit Wall weather in October.

September and November showcase stark contrasts in weather patterns. September boasts a wide temperature range, with minimums at 0°C (32°F) and maximums peaking at 39°C (103°F), leading to an average of 18°C (65°F). The month experiences relatively high humidity at 72% and a moderate amount of precipitation at 41 mm (1.6 in) over about 6 days. In contrast, November sees significantly chillier conditions, with temperatures dropping to a minimum of -15°C (5°F) and an average of just 3°C (38°F). The month is much drier, with only 12 mm (0.5 in) of precipitation over 4 days, while humidity remains slightly elevated at 75%. For more details about the weather in Wall during November, refer to this link: Wall weather in November.

September and December present contrasting weather patterns, reflecting the transition from late summer to deep winter. In September, temperatures can range from a chilly 0°C (32°F) to a scorching 39°C (103°F), with an average of 18°C (65°F). The month sees about 41 mm (1.6 in) of precipitation over six rainy days, with a humidity level of 72%. Meanwhile, December experiences much colder conditions, with temperatures dipping as low as -22°C (-8°F) and peaking at a mild 22°C (72°F), averaging around -2°C (29°F). Precipitation is less frequent in December, totaling 26 mm (1.0 in) over just four days, and humidity remains relatively high at 73%. For a deeper look at December weather in Wall, you can visit Wall weather in December.

Compare Wall's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Wall

As September rolls in, Wall experiences a notable transition in weather compared to the sweltering summer months. The temperatures begin to cool, with an average that invites a crispness in the air, while still occasionally flirting with highs reminiscent of summer. Precipitation becomes more frequent this month, as rain showers appear on a handful of days, contributing to the region's lush environment. With humidity on the rise, there's a palpable depth to the air that marks the shift toward the autumn season. Overall, September serves as a bridge, hinting at the cooler days ahead while still retaining remnants of summer warmth. For a detailed look at Wall's climatic variations, be sure to check out Wall Climate.