Last updated: February 24, 2025
In Durham, United States, September presents a diverse blend of weather patterns, characterized by maximum temperatures reaching 35°C (96°F) and an average of 23°C (74°F), making it a warm month. The mercury dips to a minimum of 9°C (48°F) during the cooler nights, showcasing a significant temperature range. While the month enjoys plenty of warmth, it also experiences 128 mm (5.1 in) of precipitation over 9 days, contributing to a relatively high humidity level of 79%. This combination of warmth and moisture fosters a lush environment, ideal for outdoor activities and fall preparations.
In September, Durham experiences a delightful transition into autumn, characterized by lower temperatures compared to the summer months. With a minimum of 9°C (48°F) and a pleasant average of 23°C (74°F), the city begins to cool down, making outdoor activities more enjoyable. Daytime highs reach around 35°C (96°F), still holding onto some summer warmth, but as the month progresses, a crispness in the air hints at the approaching fall. This shift in temperature not only offers a refreshing change but also beckons the vibrant colors of autumn foliage, making September a picturesque time to explore Durham's natural beauty.
September in Durham sees a noteworthy continuation of summer's patterns, with precipitation levels reaching 128 mm (5.1 in), matching August's totals. Remarkably, rainfall during this month occurs over just 9 days, indicating that storms can deliver substantial downpours in a brief period. This trend showcases a transition from the wetter summer months, as the frequency of rainy days begins to decline—July and August had 14 and 15 days of precipitation, respectively. As autumn approaches, this shift not only influences local weather patterns but also prepares the landscape for the dryer months ahead, as October typically brings only 97 mm (3.8 in) over the same number of days.
As autumn sets in, September brings a noticeable shift in humidity levels in Durham, United States, with the average dropping to 79%. This decline marks a shift from the sweltering summer months, where humidity hovered around 80% or higher. In the preceding months of July and August, residents experienced consistent moisture in the air, but as September unfolds, a more comfortable atmosphere emerges, paving the way for the crispness of fall. This seasonal transition is further amplified by October's slight increase back to 80%, hinting at the gradual return of humidity as winter approaches, where it peaks in December at 86%. Overall, September serves as a breath of fresh air, signaling the end of summer's mugginess and the onset of fall's refreshing charm.
In September, Durham experiences a UV Index of 9, categorized as very high, signaling that sun exposure can lead to skin burns in just 15 minutes. This trend marks a slight decrease from the extreme levels seen in the peak summer months, yet it remains a warning for sun safety, as the lingering warmth of late summer continues. As the UV Index transitions towards October, which holds steady at 8, it's crucial to remain vigilant about sun protection practices to safeguard your skin during these sunny days. For more detailed information on UV exposure trends throughout the year, visit Durham UV Index.
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As the summer sun begins to fade, September in Durham offers a delightful transition with 289 hours of sunshine, a charming peak before autumn's embrace. This month reflects a gradual decline from the sun-drenched days of July and August, which boast 352 and 321 hours respectively. However, September still stands out with plentiful daylight, allowing residents and visitors to enjoy the lingering warmth of the season. As the days shorten heading into October, with its 270 hours, the vibrant energy of summer gently gives way to the crisp, refreshing air of fall, making September a splendid bridge between two beautiful seasons.
September in Durham, United States, typically marks a transition towards milder weather, with a 58% chance of sunny days. This probability is a notable improvement from the summer months, as June and July saw a dip to 34% and 45% respectively. As the region shifts away from the heat, September emerges as a favorable time, boasting more sunny days compared to both the earlier summer and the upcoming fall months. With its 60% likelihood in April and 51% in August, September stands as a promising month for sunshine, fitting nicely within the trend of increased clear skies leading into the autumn season.
As September unfolds in Durham, United States, residents enjoy a shift from the sun-drenched days of summer, with daylight duration tapering to 12 hours. This month marks a gentle transition, as the vibrant 14 hours of sunlight experienced in June through August gradually gives way to shorter days. While September still holds onto the remnants of summer warmth, it sets the stage for the crispness of autumn, leading into October with its further reduction to 11 hours of daylight. This gradual decline hints at the changing seasons, inviting a sense of reflection and the beauty of shifting landscapes as daylight wanes and leaves begin to turn.
As summer wanes and September arrives in Durham, the average wind speed settles at a gentle 2.4 m/s (5 mph), marking a subtle shift from the languid breezes of August. This moderation in wind reflects a broader trend throughout the months, with speeds gradually decreasing towards the final summer days before beginning to rise again in October. Interestingly, while the winds are lighter compared to the gusty spring months, they hint at the transition into autumn, where brisker gusts return with the changing seasons. Overall, September's calmness provides a serene backdrop as the vibrant colors of fall start to creep into the landscape.
The weather in Durham 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 Durham and find detailed weather information for every month.
In September, the weather is significantly warmer, with temperatures ranging from a mild minimum of 9°C (48°F) to a scorching maximum of 35°C (96°F). This month also experiences higher precipitation, averaging 128 mm (5.1 in) over about 9 days, and maintaining a humidity level of 79%. In contrast, January presents a much colder climate, with temperatures dropping as low as -15°C (6°F) and averaging 6°C (43°F). Precipitation is lower at 89 mm (3.5 in) over the same number of days, but humidity remains high at 85%. For a more detailed look at January weather, visit Durham weather in January.
September and February present strikingly different weather conditions. In September, temperatures range from a pleasant 9°C (48°F) at night to a warm 35°C (96°F) during the day, averaging around 23°C (74°F). However, this month also brings considerable humidity at 79% and around 128 mm (5.1 in) of precipitation spread over 9 days. In contrast, February experiences much cooler temperatures, with a chilling minimum of -6°C (21°F) and an average of 9°C (48°F), peaking at 27°C (81°F). Although slightly less precipitation is recorded at 117 mm (4.6 in) over 11 days, humidity remains high at 82%. For more insights on February weather specifics, check out Durham weather in February.
In September, the weather is characterized by a broad range of temperatures, with a minimum of 9°C (48°F) and a maximum reaching up to 35°C (96°F), averaging around 23°C (74°F). This month also experiences substantial rainfall, with 128 mm (5.1 in) of precipitation over approximately 9 days and a humidity level of 79%. In contrast, March presents a cooler climate, with temperatures ranging from a low of -5°C (24°F) to a high of 31°C (88°F) and an average temperature of 11°C (53°F). Although March has less overall precipitation at 84 mm (3.3 in) spread over 10 days, the humidity remains similar at 81%. For a more detailed look at the weather conditions in March, you can refer to Durham weather in March.
Comparing the weather in September and April reveals notable differences in temperature and precipitation patterns. In September, temperatures can soar up to 35°C (96°F), with an average of 23°C (74°F), while April's maximum temperature reaches a lower 31°C (88°F) but often starts with chilly mornings as low as -1°C (31°F). Despite April having slightly less rainfall at 116 mm (4.6 in) over 10 days compared to September's 128 mm (5.1 in) over 9 days, the humidity remains consistently high in both months, hovering around 79% in September and 80% in April. For more detailed information, you can check Durham weather in April.
September and May display noticeable differences in weather patterns. In September, the minimum temperature hovers around 9°C (48°F), while the average temperature peaks at 23°C (74°F) and can soar to a maximum of 35°C (96°F). This month also experiences higher precipitation, with 128 mm (5.1 in) falling over approximately 9 days, contributing to a humidity level of 79%. In contrast, May starts cooler with minimum temperatures around 4°C (39°F), but the average is slightly lower at 21°C (70°F) and can reach up to 36°C (97°F). Despite having slightly less precipitation at 118 mm (4.6 in) over 11 days, the humidity in May remains comparable at 81%. For a deeper look at what to expect, check out Durham weather in May.
In comparing the weather between September and June, both months exhibit warm temperatures, but September tends to be slightly cooler overall. September's average temperature is 23°C (74°F) with a minimum of 9°C (48°F) and a maximum of 35°C (96°F), while June boasts an average of 24°C (76°F) with a minimum of 12°C (55°F) and a peak of 36°C (97°F). Precipitation levels are fairly close, with September receiving 128 mm (5.1 in) over 9 days, while June has 121 mm (4.8 in) over 13 days, indicating that September is generally wetter but with fewer rainy days. Additionally, humidity remains high in both months, with September at 79% and June at 81%. For a detailed look at June weather specifics, check Durham weather in June.
In comparing the weather between September and July, September typically experiences a broader range of temperatures, with minimums dipping to 9°C (48°F) and maximums reaching 35°C (96°F), compared to July's milder minimum of 16°C (61°F) and a peak of 37°C (99°F). While both months see significant precipitation, September averages 128 mm (5.1 in) over 9 days, slightly more than July's 114 mm (4.5 in) over 14 days. Additionally, humidity levels remain relatively high in both months, with September at 79% and July at 81%. For more detailed insights on July weather, check out Durham weather in July.
In comparing the weather of September to that of August, September generally offers a more variable temperature range, with a minimum of 9°C (48°F) and a maximum of 35°C (96°F), while August maintains a milder minimum of 15°C (59°F) and a peak of 36°C (97°F). June experiences humidity levels that are slightly lower in September at 79%, compared to August's 80%. Interestingly, both months receive similar precipitation of 128 mm (5.1 in); however, September sees this rainfall spread over 9 days, whereas August has rain on 15 days, suggesting that August may be wetter overall despite the similar totals. For more detailed insights, you can check out Durham weather in August.
September and October present a notable shift in weather patterns. In September, the temperatures range from a minimum of 9°C (48°F) to a maximum of 35°C (96°F), with an average of 23°C (74°F). The month experiences significant rainfall, totaling 128 mm (5.1 in) across 9 days, while humidity sits at a relatively high 79%. In contrast, October sees cooler temperatures, with a minimum of 2°C (36°F) and an average of 18°C (65°F), although it can peak at 36°C (98°F). Rainfall decreases to 97 mm (3.8 in) over the same number of days, and humidity slightly increases to 80%. For more detailed weather insights, visit Durham weather in October.
September and November present contrasting weather experiences. September boasts warmer temperatures, with an average high of 35°C (96°F), while November sees a significant drop, averaging only 10°C (51°F). Precipitation is higher in September, with 128 mm (5.1 in) over 9 days compared to November's 81 mm (3.2 in) across 7 days. Interestingly, November does feature colder nights, with minimum temperatures dropping to -4°C (25°F), while September remains relatively mild, not falling below 9°C (48°F). The humidity in November is a bit higher at 85%, compared to September's 79%. For a more detailed look at November's climate, visit Durham weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 9°C and an average high of 35°C, creating a vibrant and summery atmosphere. The month sees a significant amount of rainfall, with 128 mm occurring over 9 days, and a humidity level of 79%. In contrast, December brings much cooler conditions, with temperatures dropping to a minimum of -7°C and an average high of only 23°C. While precipitation is slightly lower at 107 mm over the same number of days, humidity rises to 86%, contributing to a crisp and chilly environment. For more details, you can check Durham weather in December.
As September unfolds in Durham, the weather presents a fascinating transition from the heat of summer to the cooler embrace of autumn. With average temperatures settling around a comfortable 23°C and occasional peaks reaching a sweltering 35°C, this month invites a blend of warm days and crisp evenings. The humidity lingers at 79%, enhancing the feeling of warmth, while the skies tend to open up occasionally, contributing to an average precipitation of 128 mm over about nine days. This distinctive combination of warmth and moisture sets September apart from the drier and hotter months of summer, making it a unique time to experience the changing seasons. For a thorough understanding of year-round weather patterns in this vibrant region, explore Durham Climate.