September Weather in Long Branch, United States

Last updated: February 24, 2025

In September, Long Branch, United States, experiences a delightful transition into autumn with an average temperature of 21°C (71°F). Daytime highs can reach up to 31°C (87°F), offering warm and sunny days, while cooler nights dip to around 11°C (51°F). This month also sees an average precipitation of 102 mm (4.0 in) over approximately 10 days, contributing to the region’s lush landscapes. With a humidity level of 68%, visitors can expect a pleasantly warm and slightly humid environment, perfect for enjoying late summer activities along the coastline.

September Temperature in Long Branch

As September unfolds in Long Branch, United States, the weather begins to shift, offering a delightful transition from the summer heat to the coolness of fall. With minimum temperatures averaging around 11°C (51°F) and maximums peaking at 31°C (87°F), this month showcases a comfortable warmth, ideal for outdoor activities. The average temperature stabilizes at a pleasant 21°C (71°F), hinting that while summer's intensity wanes, there's still plenty of sunshine to enjoy. This trend of decreasing temperatures prepares the region for the crisp air of October, making September a perfect blend of lingering warmth and the promise of the changing seasons.

September Weather in Long Branch: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Long Branch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363842516070777670624941
Data source: Temperature data for Long Branch 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 Long Branch

September in Long Branch tends to be characterized by a moderate rainfall pattern, with an average precipitation of 102 mm (or 4.0 inches) spread over about 10 days. This month marks a slight dip compared to the more demanding summer months like July and August, both averaging 129 mm and 126 mm, respectively. The transition into autumn is subtle, with September's rainfall gradually paving the way for the wetter October, which can bring an average of 153 mm. As the region shifts from the heat of summer to the crispness of fall, September serves as a gentle prelude, balancing fewer rainfall days while still delivering a commendable amount of precipitation that nurtures the early fall foliage.

September Precipitation Trends in Long Branch

The chart displays monthly precipitation patterns in Long Branch, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7812910912412989129126102153100127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Long Branch

As summer transitions to fall, September in Long Branch brings a slight rise in humidity, settling at 68%. This marks a shift from the lower levels seen in July and August, which averaged 62% and 65% respectively. However, September's humidity remains notably lower than the winter months, where the averages soar to around 82%-84%. This gradual increase reflects the lingering warmth of summer days while hinting at the cooler, more humid months ahead. As we move into October, humidity levels are expected to rise again, reaching 74%, making September a unique transition period in Long Branch’s climatic rhythm.

September Average Humidity in Long Branch

This chart illustrates the average monthly humidity levels in Long Branch, 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%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Long Branch

In Long Branch, United States, September marks a transitional period as the summer heat begins to wane, yet the UV Index remains notably high at 8, classified under the very high exposure category. This signals that while the temperature may be dropping, the sun's intensity is still potent, with a burn time of just 15 minutes for unprotected skin. Following the peak summer months of June through August, which consistently reached a UV index of 10, September's UV levels indicate that sun protection is still essential. As we move into the fall months, the UV index is expected to decrease, reaching 6 in October, thereby emphasizing a steady decline in sun exposure risk. For more detailed insights on UV levels throughout the year, visit Long Branch UV Index.

Maximum UV Index Levels in Long Branch for September

The chart shows the monthly maximum UV Index (UVI) for Long Branch 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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Long Branch 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 Long Branch

As summer gracefully transitions into autumn, September in Long Branch shines with an impressive 282 hours of sunshine. This month sees a slight dip from the sun-drenched days of July (353 hours) and August (323 hours), yet it stands out as one of the sunniest months of the year. The gradual decline in sunlight hours hints at the impending cooler months, as October follows with 232 hours. Overall, September captures the essence of late summer warmth while embracing the early whispers of fall, making it a delightful time for outdoor activities and enjoying the vibrant scenery before winter sets in.

Monthly Sunshine Duration in Long Branch: September Highlighted

The September sunshine duration represents the total number of hours Long Branch 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h182h257h249h287h325h353h323h282h232h217h180h
Data source: Long Branch September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Long Branch During September

In Long Branch, September offers a 48% chance of sunny weather, making it a promising transition from the summer months. As the warm season winds down, this figure reflects a steady outlook, closely resembling the percentages found in January and October. Notably, the likelihood of sunshine in September is significantly higher than in the preceding months of June and August, which fare with only 38% and 30% chances respectively. This trend suggests that while the onset of fall may bring more unpredictable weather patterns, early September still retains a substantial opportunity for enjoyable, sunlit days, inviting locals and visitors alike to savor the last vestiges of summer warmth.

Percentage of Sunny Days in September in Long Branch

The chart illustrates the percentage of sunny days in Long Branch 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 Long Branch experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%30%56%46%44%38%46%30%48%41%55%32%
Data source: Long Branch September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Long Branch in September

As summer draws to a close in September, the daylight in Long Branch, United States, begins to wane, offering a gentle transition from the bright, sun-soaked days of mid-year. With approximately 12 hours of daylight, this month sees a gradual decline from the 14 hours experienced in peak summer—June through August. The shift reflects the natural rhythm of the seasons, where each day gradually becomes shorter as we edge towards autumn. Following September, daylight decreases further, dropping to 11 hours in October, highlighting a steady trend of diminishing sunlight that prepares the region for the cozier, darker months ahead. This gradual change not only marks the passage of time but also invites residents to embrace the upcoming seasonal transformation.

Average Daylight Hours in Long Branch for September

The chart illustrates the variation in daylight duration in Long Branch throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 39m10h 40m11h 58m13h 18m14h 25m14h 58m14h 40m13h 40m12h 24m11h 5m9h 55m9h 20m
Data source: Long Branch daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Long Branch

As September arrives in Long Branch, the average wind speed picks up slightly to 4.2 m/s (9 mph), providing a gentle yet invigorating breeze that signals the transition from summer's stillness to autumn's awakening. This marks a noticeable shift from the calmest months of July and August, where winds dipped to 3.4 m/s (8 mph). Following the peaks of early winter and spring, where wind speeds reach above 5 m/s, September serves as a bridge, hinting at the more brisk conditions to come. The overall trend showcases a gradual return to livelier winds, reminiscent of the refreshing gusts that define the cooler months, making September a refreshing prelude to fall in this coastal town.

Average September Wind Speed in Long Branch

The chart displays monthly wind speed patterns in Long Branch, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.15.25.14.54.33.93.43.44.2 m/s4.64.84.4
Data source: Long Branch September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Long Branch Compares to Other Months

The weather in Long Branch 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 Long Branch and find detailed weather information for every month.

In September, temperatures typically range from a mild 11°C (51°F) at night to a warm 31°C (87°F) during the day, with an average of 21°C (71°F). Humidity levels are moderate at 68%, and the month experiences about 102 mm (4.0 in) of precipitation over approximately 10 days. In contrast, January brings much colder weather, with temperatures plummeting to a minimum of -15°C (5°F) and reaching a maximum of 18°C (64°F), averaging just 2°C (37°F). The humidity increases to 84%, and while precipitation decreases to 78 mm (3.1 in) over 9 days, it often falls as snow. For a detailed look into January weather, check out Long Branch weather in January.

September and February present contrasting weather patterns. In September, temperatures are generally mild with a minimum of 11°C (51°F), an average of 21°C (71°F), and a maximum of 31°C (87°F). The month is characterized by moderate precipitation (102 mm or 4.0 in) and relatively comfortable humidity at 68%. In stark contrast, February experiences much colder conditions, with temperatures dropping to a minimum of -14°C (6°F) and averaging just 4°C (39°F). Despite having slightly higher precipitation at 129 mm (5.1 in) over 12 days, the humidity peaks at 82%, contributing to the chill in the air. For those interested in specific conditions during this time, refer to Long Branch weather in February.

September and March present contrasting weather patterns. In September, temperatures typically range from a minimum of 11°C (51°F) to a maximum of 31°C (87°F), creating a warm atmosphere with an average of 21°C (71°F). However, March features much cooler temperatures, with a minimum of -8°C (18°F) and a maximum of 23°C (74°F), averaging only 6°C (43°F). Both months experience notable precipitation, with September receiving 102 mm (4.0 in) over about 10 days and March slightly higher at 109 mm (4.3 in) spread across 11 days. March also has higher humidity at 81% compared to September's 68%. To explore more about the weather during March, you can visit Long Branch weather in March.

September and April present distinct weather patterns that reflect the transition between summer and autumn, and winter to spring, respectively. In September, temperatures range from a minimum of 11°C (51°F) to a maximum of 31°C (87°F), with an average of 21°C (71°F), making it generally warmer than April, which sees temperatures from 0°C (32°F) to 26°C (80°F) and an average of 11°C (51°F). While both months experience notable precipitation, September records 102 mm (4.0 in) over about 10 days, whereas April has slightly more, with 124 mm (4.9 in) across 12 days. Additionally, humidity levels are higher in April at 78%, compared to 68% in September, giving April a slightly more damp feeling. For more details, check out Long Branch weather in April.

When comparing the weather in September and May, notable differences and similarities emerge. September boasts warmer temperatures, with a minimum of 11°C (51°F) and an average of 21°C (71°F), peaking at 31°C (87°F). This month also sees around 102 mm (4.0 in) of precipitation over approximately 10 days, accompanied by a humidity level of 68%. In contrast, May experiences cooler conditions, with a minimum of 3°C (37°F) and an average of 15°C (60°F), reaching a maximum of 29°C (85°F). Despite being slightly wetter with 129 mm (5.1 in) of precipitation over 13 days, May's humidity remains similar at 69%. For more insights into May's weather, you can check Long Branch weather in May.

When comparing the weather in September to that of June, both months feature similar temperature ranges, with September having a slight edge in maximum temperatures. September's temperatures vary from a minimum of 11°C (51°F) to an average of 21°C (71°F) and reaching highs of 31°C (87°F). In contrast, June's temperatures range from a minimum of 10°C (51°F), an average of 21°C (70°F), to a maximum of 31°C (88°F). However, September experiences more precipitation, totaling 102 mm (4.0 in) over approximately 10 days, compared to June's 89 mm (3.5 in) over 11 days. Humidity levels are quite similar, with September at 68% and June at 69%. For those interested in a deeper dive into June weather specifics, please refer to Long Branch weather in June.

In July, temperatures are generally warmer, with a minimum of 17°C (63°F) and an average of 25°C (77°F), peaking at 34°C (93°F). The month experiences more rainfall, totaling 129 mm (5.1 in) over about 13 days, but with lower humidity at 62%. In contrast, September sees cooler temperatures, ranging from a minimum of 11°C (51°F) to a maximum of 31°C (87°F), with an average of 21°C (71°F). The precipitation is slightly less at 102 mm (4.0 in), occurring over 10 days, while humidity is higher at 68%. For more detailed weather insights, check out Long Branch weather in July.

In comparing the weather of September and August, September experiences cooler temperatures, with a minimum of 11°C (51°F) and a maximum of 31°C (87°F), while August is warmer, featuring a minimum of 17°C (63°F) and a peak of 32°C (89°F). The average temperature in September is 21°C (71°F) compared to August's 24°C (76°F). Additionally, September sees slightly higher precipitation with 102 mm (4.0 in) over 10 days, whereas August has 126 mm (4.9 in) spread over 14 days. Humidity remains fairly consistent, with September at 68% and August at 65%. For more details on August weather, you can visit Long Branch weather in August.

September weather tends to be warmer, with average temperatures around 21°C (71°F) and maximums reaching up to 31°C (87°F). In contrast, October marks a noticeable drop in temperatures, averaging 17°C (62°F) and featuring cooler minimums of 4°C (40°F). While September experiences 102 mm (4.0 in) of precipitation over 10 days, October sees an increase in rainfall to 153 mm (6.0 in) across 12 days, coupled with higher humidity levels of 74% compared to September's 68%. For a more detailed look at what to expect, check out Long Branch weather in October.

September and November present contrasting weather conditions. In September, temperatures range from a minimum of 11°C (51°F) to a warm maximum of 31°C (87°F), with an average of 21°C (71°F). This month also sees a decent amount of rainfall, with 102 mm (4.0 in) spread over 10 days and a humidity level of 68%.

In contrast, November features significantly cooler temperatures, with a minimum of -7°C (20°F) and an average of 9°C (49°F), peaking at 22°C (72°F). The precipitation remains similar at 100 mm (3.9 in) across 10 days, but humidity rises to 82%, contributing to a chillier feel. For more specific details on November conditions, you can check out Long Branch weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures typically range from a mild 11°C (51°F) to a warm 31°C (87°F), with an average of 21°C (71°F). The month experiences around 102 mm (4.0 in) of precipitation over approximately 10 days, alongside a humidity level of 68%. In comparison, December sees much colder temperatures, with a minimum of -10°C (15°F), an average of 5°C (41°F), and a maximum of 18°C (64°F). Precipitation increases slightly to 127 mm (5.0 in) over the same number of days, but humidity rises to 80%. For further details on winter weather specifics, check out Long Branch weather in December.

Compare Long Branch's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Long Branch

As summer transitions into fall, September in Long Branch brings a delightful shift in weather patterns. With average temperatures hovering around a comfortable 21°C (71°F), this month remains warm yet becomes more refreshing compared to the sweltering peak of summer. The increase in humidity at 68% adds a touch of softness to the air, while occasional rains—spanning about 10 days and accumulating around 102 mm (4.0 in)—nurture the environment. This blend of warmth and rainfall creates a vibrant atmosphere, making September an inviting time to experience the beach and natural beauty of Long Branch. For a more detailed look at how September fits into the broader climate context, check out Long Branch Climate.