Last updated: February 24, 2025
September in Concord, United States, presents a dynamic range of weather experiences, characterized by a maximum temperature reaching a warm 35°C (94°F), while the average settles at a comfortable 19°C (67°F). As the month transitions into autumn, chilly evenings can dip to a minimum of 4°C (40°F). Rainfall is a notable feature, with a total precipitation amount of 79 mm (3.1 inches) over 7 days, resulting in a humidity level of 71% that often adds a touch of mugginess to the air. This blend of warm days and cooler nights, coupled with occasional rain, makes September a captivating month in Concord’s climate calendar.
As September arrives in Concord, the summer warmth begins to wane, ushering in a delightful transition to autumn. With temperatures ranging from a minimum of 4°C (40°F) to a maximum of 35°C (94°F), the month showcases a comfortable average of 19°C (67°F). This marks a significant dip from the peak summer highs experienced earlier in the season, yet still offers plenty of warm days to enjoy the changing foliage. The gradual cooldown, following the sweltering heat of July and August, creates an inviting atmosphere for outdoor activities and harvest festivities, making September a picturesque month to savor in Concord.
September in Concord brings a consistent 79 mm (3.1 in) of precipitation, mirroring the moisture levels of August. With only 7 wet days, this month typically sees a slight decrease in rain compared to its summer predecessor, suggesting a transition towards the drier fall season. The trend of gradual rainfall reduction is evident, as September's totals are lower than the preceding months of July and August, yet set the stage for October's uptick in precipitation, which averages at 132 mm (5.2 in). This rhythmic pattern of precipitation highlights Concord's climate, where summer's plentiful rains give way to autumn's more subdued yet vital moisture.
As summer transitions into autumn, September in Concord, United States, experiences a slight uptick in humidity, averaging 71%. This marks a subtle rebound from the lower levels seen in the peak summer months of July and August, which recorded 67% and 66% respectively. Notably, this increase serves as a prelude to the higher humidity levels typical of fall, with October rising to 78%. Over the year, there is a clear trend of decreasing humidity from the wetter winter months, such as January at 86%, to the drier summer season, before witnessing a gradual rise again as the year progresses. This seasonal ebb and flow not only shapes the local climate but also influences the vibrant life of Concord as it adapts to changing weather patterns.
In September, Concord experiences a UV Index of 7, placing it in the high exposure category, which means you can enjoy the outdoors but with caution. This month marks a slight decline from the peak summer months, where values soared to 10 in June. With a burn time of 25 minutes, it's crucial to protect your skin during midday hours. As the days begin to shorten, this trend of decreasing UV levels continues into October, where the index drops to 6, signaling the transition into the fall season. Despite the lower readings, maintaining vigilance against UV exposure remains essential. For more insights and updates, check the Concord UV Index.
UV Risk Categories
Concord, United States, basks in the warm glow of September with 278 hours of sunshine, a delightful continuation of summer's brilliance. As the year progresses, sunlight peaks in the heart of summer, with July's impressive 334 hours casting a vibrant backdrop for outdoor activities. However, even as the days begin to shorten, September maintains an enviable brightness, significantly more than the winter months, which struggle to reach 152 hours in January. This gradual decrease in sunlight from summer's zenith to autumn serves as a gentle reminder of the changing seasons, inviting residents and visitors alike to savor the lingering warmth before the crisp chill of October descends.
In Concord, the likelihood of sunny weather in September shows a positive trend compared to the summer months, with a 42% chance of sunshine. This marks a slight increase from the notably low percentages seen in July and August, when sunny days were only forecasted 32% and 29% of the time, respectively. Although September's chances remain below the seasonal peak found in March at 61%, it hints at a return to more favorable weather patterns as the region transitions into fall. With September being one of the more favorable months for sunshine, it offers a promising respite from the gloom often associated with late summer.
As summer winds down in Concord, September sees a gentle decline in daylight, totaling 12 hours—a shift from the 14 hours enjoyed in May and June. This transition marks the beginning of a gradual decrease leading into the shorter days of October, which averages 11 hours of daylight. The pattern reflects nature's rhythm, as vibrant autumn colors begin to emerge, signaling a move away from the long, sun-drenched days of summer, and inviting a cozy embrace of the cooler seasons ahead. This month balances the lingering warmth of summer with the impending chill of fall, offering a perfect blend of light for both outdoor adventures and quiet, reflective evenings.
As summer fades into autumn, the September wind in Concord ushers in a subtle shift, with an average speed of 3.0 m/s (7 mph). This marks a slight increase from the dwindling breezes of July and August, which saw their lowest speeds at 2.7 m/s (6 mph) and 2.6 m/s (6 mph), respectively. With September's gentle gusts, the air feels invigorating yet mild, suggesting a gradual transition towards the brisk winds characteristic of fall. Compared to the earlier spring months, where winds peaked at 4.0 m/s (9 mph) in March, September settles into a more temperate rhythm, hinting at nature's upcoming transformations while still embracing the lingering warmth of summer.
The weather in Concord 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 Concord and find detailed weather information for every month.
September and January present striking contrasts in weather. In September, temperatures range significantly from a chilly minimum of 4°C (40°F) to a warm maximum of 35°C (94°F), with an average of 19°C (67°F). While precipitation is moderate at 79 mm (3.1 in) over about 7 days, humidity levels sit at a comfortable 71%. In contrast, January showcases a dramatically colder climate, with temperatures plummeting to a minimum of -21°C (-6°F) and an average of -1°C (31°F). Despite having slightly less precipitation at 71 mm (2.8 in) over 8 days, January's higher humidity at 86% adds to the chilly atmosphere. For more details on January weather, visit Concord weather in January.
September and February present distinctly different weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 35°C (94°F), with an average of 19°C (67°F), offering a warm and moderately humid climate with 71% humidity. Precipitation during this month is relatively light, totaling 79 mm (3.1 in) over approximately seven days. In contrast, February experiences much colder temperatures, with lows plummeting to -18°C (1°F) and an average of 0°C (33°F), while highs can reach up to 22°C (73°F). This month also sees higher humidity levels at 84%, with precipitation slightly increased at 87 mm (3.4 in) spread over about ten days. For more details about February weather, you can visit Concord weather in February.
In comparing the weather patterns of September and March, we see notable differences in temperature and conditions. September boasts a more temperate climate with average temperatures ranging from a cool 19°C (67°F) to a warm 35°C (94°F), while March experiences much colder averages, with temperatures mostly lingering around 3°C (38°F) to a maximum of 22°C (73°F), and even dipping as low as -18°C (0°F). Additionally, both months receive a significant amount of precipitation, with September experiencing 79 mm (3.1 inches) over about 7 days and March slightly increasing to 89 mm (3.5 inches) across 9 days. Humidity levels are also higher in March at 82%, compared to September's 71%. For more detailed insights into the specific weather conditions, you can check out Concord weather in March.
When comparing the weather in September and April, we can see significant differences in temperature and precipitation. September boasts a wider temperature range, with minimums of 4°C (40°F) and maximums soaring up to 35°C (94°F), resulting in a pleasant average of 19°C (67°F). In contrast, April experiences cooler conditions, with nighttime lows dipping to -3°C (26°F) and daytime highs reaching up to 30°C (86°F), yielding a lower average temperature of 9°C (48°F). Additionally, April is generally wetter, receiving 127 mm (5.0 in) of precipitation over 12 days compared to September's 79 mm (3.1 in) over just 7 days. The humidity levels are also slightly higher in April at 80%, compared to September's 71%. For more details on the specific weather patterns, you can refer to Concord weather in April.
In comparing the weather of September and May, both months experience a range of temperatures, but September tends to be slightly warmer overall, with an average temperature of 19°C (67°F), compared to May's average of 15°C (59°F). Both months can reach maximum temperatures around 35°C (95°F), but September features a higher minimum temperature of 4°C (40°F) versus May's 2°C (36°F). Precipitation levels are relatively close, with September receiving 79 mm (3.1 in) over 7 days and May slightly higher at 86 mm (3.4 in) over 11 days. Humidity remains consistent, with September at 71% and May at 72%, indicating that both months share a similar moisture level. For more detailed information, you can check this link: Concord weather in May.
In September, the weather shows a notable transition as temperatures range from a minimum of 4°C (40°F) to a maximum of 35°C (94°F), with an average temperature of 19°C (67°F). The month experiences about 79 mm (3.1 in) of precipitation over 7 days, with humidity levels around 71%. In contrast, June tends to be slightly warmer, with minimum temperatures around 6°C (43°F) and a maximum reaching 37°C (98°F), averaging at 20°C (69°F). Precipitation is a bit higher at 85 mm (3.4 in) spread over 11 days, maintaining a similar humidity level of 72%. For more information on June weather specifics, you can check Concord weather in June.
September weather presents a more varied temperature range compared to July, with a minimum of 4°C (40°F) and a maximum reaching 35°C (94°F). The average temperature in September is 19°C (67°F), while July boasts a warmer average of 23°C (74°F) and a higher maximum of 37°C (98°F). Precipitation in September is lower at 79 mm (3.1 in) over 7 days, versus July’s 125 mm (4.9 in) occurring over 13 days. Additionally, September's humidity is slightly higher at 71%, compared to July's 67%. For more detailed information, you can check Concord weather in July.
In comparing the weather of September and August, we see notable differences in temperature and humidity. September experiences a wider temperature range, with minimums dipping to 4°C (40°F) and maximums reaching 35°C (94°F), while August remains warmer overall, with minimums around 11°C (52°F) and an average temperature of 23°C (74°F). Both months receive the same amount of precipitation at 79 mm (3.1 in), but August has rain on more days (11 days) compared to September's 7 days, implying that September may feel slightly drier. Additionally, September has a higher humidity level at 71%, compared to August’s 66%, which could make the air feel more uncomfortable during the warmer days. For a detailed look at weather patterns, you can refer to Concord weather in August.
September weather features a wide temperature range with a minimum of 4°C (40°F), an average of 19°C (67°F), and a maximum of 35°C (94°F), along with 79 mm (3.1 in) of precipitation over 7 days and humidity levels around 71%. In contrast, October brings cooler temperatures, with a minimum of -4°C (25°F), an average of 13°C (56°F), and a maximum of 29°C (84°F). The month is also wetter, recording 132 mm (5.2 in) of precipitation over 10 days and slightly higher humidity at 78%. For a more detailed look at what to expect, check out Concord weather in October.
September weather is characterized by a warm range of temperatures, with minimums around 4°C (40°F) and maximums reaching up to 35°C (94°F), averaging at 19°C (67°F). In contrast, November experiences much colder conditions, with minimum temperatures dipping to -12°C (10°F) and an average temperature of just 6°C (43°F). Additionally, November has a higher humidity level at 84% compared to September’s 71%, and more frequent precipitation, with rain occurring on about 10 days in November compared to 7 days in September. For more details on November weather, check out Concord weather in November.
September weather is characterized by warmer temperatures, with a minimum of 4°C (40°F) and an average of 19°C (67°F), peaking at a maximum of 35°C (94°F). The month experiences moderate precipitation of 79 mm (3.1 in) spread over about 7 days, and the humidity is relatively comfortable at 71%. In contrast, December brings significantly colder conditions, with temperatures plunging to a minimum of -19°C (-3°F) and averaging only 1°C (34°F), while the maximum barely reaches 17°C (63°F). Precipitation increases to 119 mm (4.7 in) over 10 days, and the humidity rises slightly to 81%, adding to the chill. For more details on December's weather, check out Concord weather in December.
As September arrives in Concord, it brings a delightful transition from the scorching summer months to a milder climate, with temperatures averaging around 19°C (67°F). The maximum heat can hit 35°C (94°F), but the cool nights, dipping to around 4°C (40°F), provide a refreshing contrast. The month also experiences a modest 79 mm (3.1 in) of rainfall spread across about seven days, contributing to the crispness in the air, while an average humidity of 71% adds a hint of moisture. This temperate weather invites both residents and visitors to enjoy outdoor activities and the beautiful autumnal scenery. For a deeper understanding of how September compares throughout the year, visit Concord Climate.