Last updated: February 24, 2025
In September, Newport, United States welcomes the transition into autumn with mild temperatures and a noticeable change in weather patterns. Residents and visitors can expect a maximum temperature of 25°C (77°F), while the average cools to around 14°C (58°F). The month typically starts with a minimum temperature of 9°C (48°F) during the nights. Rain is not uncommon, with an average precipitation of 71 mm (2.8 in) spread over approximately nine rainy days. Humidity levels are moderate at 71%, creating a crisp, refreshing atmosphere ideal for outdoor activities and enjoying the scenic beauty of the coastal landscape.
In September, Newport experiences a delightful transition as summer wanes, with temperatures reflecting this change. The minimum temperature rises to 9°C (48°F), offering a comfortable start to the month, while the average hovers around 14°C (58°F), reminiscent of late summer warmth. Daytime highs can reach a pleasant 25°C (77°F), inviting locals and visitors alike to enjoy outdoor activities and the stunning coastal scenery. As the month progresses, the gradual drop from the warmer summer days begins to hint at the approaching autumn, bringing a refreshing crispness to the air. This seasonal shift beautifully accentuates Newport's charm, making September a particularly inviting time to explore the picturesque landscapes.
September in Newport ushers in a notable shift in precipitation patterns, with the month recording 71 mm (2.8 in) of rain over nine days. This represents a gentle increase compared to the driest summer months of July and August, which see minimal rainfall with only 9 mm (0.4 in) and 13 mm (0.5 in) respectively. As the transition from summer to fall takes place, September lays the groundwork for the wetter months ahead, particularly October and November, which typically bring heavier downpours. This change hints at the approaching autumn, where precipitation starts to ramp up significantly, with average amounts soaring to 151 mm (5.9 in) in October and 254 mm (10.0 in) in November.
As summer fades and September arrives in Newport, the coastal air begins to shift, bringing a noticeable drop in humidity levels. With a humidity of 71%, September is the driest month following the more humid summer period, where August still clings to a substantial 74%. This decline is indicative of the transition into autumn, as the air becomes crisper and more refreshing. The trend shows a continuous decrease from July's 82%, setting the stage for a comfortable and inviting atmosphere that precedes the wetter months of October and November, which see humidity levels rise significantly back to 81% and 87%, respectively. This seasonal ebb and flow creates a unique climate, perfect for enjoying the outdoors before the chill of autumn fully settles in.
In September, Newport experiences a UV Index of 7, placing it in the high exposure category. As summer winds down, this index marks a gradual decrease from the very high levels of August, where outdoor enthusiasts were advised to take extra precautions. With a burn time of 25 minutes, this month still warrants caution, especially for those lingering outdoors in the earlier autumn sun. Compared to the earlier months in the year, September stands out as a reminder to adapt sun protection strategies as the seasons change. For more details on UV exposure trends throughout the year, visit Newport UV Index.
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September in Newport heralds the transition from the sun-soaked days of summer into the cooler embrace of fall. With 269 hours of sunshine, September maintains a strong sunshine legacy, although it's a noticeable drop from the high-flying 363 hours of July. The month still revels in ample light, providing a delightful backdrop for autumn activities. As the days grow shorter, the warmth of summer gradually retreats, yet September radiates enough brilliance to remind us of the vibrant summer months, making it a perfect time for outdoor adventures before the cooler October days set in with only 211 hours of sunlight. Whether basking in the lingering warmth or enjoying the changing leaves, September’s sunshine is a cherished gift in Newport's annual cycle.
September in Newport, United States, boasts a 45% chance of sunny weather, making it one of the more promising months for outdoor activities. As summer transitions to fall, the likelihood of sunshine remains high, slightly dipping from August's 43% but still above the earlier months of the year. This trend reflects an overall increase in sunny days from the bleak winter months, with a notable jump from the low percentages in January and February. The weather tends to be more favorable, encouraging residents and visitors alike to take advantage of the lingering warmth before autumn sets in.
As the vibrant summer days of July and August fade, Newport experiences a subtle shift in daylight during September, offering about 12 hours of sunlight. This marks a gentle decline from the peak of 15 hours in June and July. The crispness of early autumn begins to set in, signaling a transition as days grow shorter and the sun dips earlier on the horizon. Following this trend, October will usher in even less daylight, bringing Newport back to the shorter, cozier days reminiscent of winter. This gradual change not only highlights the beauty of the changing seasons but also prepares residents and visitors alike for the softer, more introspective days ahead.
As September arrives in Newport, the average wind speed settles at 4.3 m/s (10 mph), marking a shift from the summer's more moderate breezes. This gentle wind is a precursor to the seasonal change, offering a transitional calmness after the peak summer months, which experienced a slight uptick in speed. While the winds may feel less brisk compared to the early fall's upcoming gusts—like October's 5.4 m/s (12 mph)—September's breezes still provide a refreshing reminder of the ocean's embrace. The trend shows that as the year progresses, the wind tends to pick up in strength, with both November and December ushering in stronger gusts, averaging around 6.1 m/s (14 mph) and 6.0 m/s (13 mph), respectively. This progressive increase paints a picture of a vibrant environment that ebbs and flows with the seasons.
The weather in Newport 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 Newport and find detailed weather information for every month.
In September, temperatures are milder, with minimums around 9°C (48°F) and maximums reaching up to 25°C (77°F), while the month averages a comfortable 14°C (58°F). The precipitation in September is relatively low at 71 mm (2.8 in) over about 9 days, accompanied by a humidity level of 71%. In contrast, January brings much colder weather, with temperatures dipping to a minimum of -1°C (30°F) and averaging 8°C (46°F). The month also sees significantly more precipitation at 271 mm (10.7 in) over approximately 18 days, coupled with a higher humidity of 85%. For a closer look at January weather specifics, you can check Newport weather in January.
When comparing the weather in September and February, there are notable differences in temperature and precipitation. September typically boasts milder conditions, with average temperatures ranging from a low of 9°C (48°F) to a high of 25°C (77°F), while February experiences much colder temperatures, with a minimum of -2°C (29°F) and a maximum of 14°C (58°F). Additionally, September has less rainfall, averaging about 71 mm (2.8 in) over 9 days, whereas February sees significantly more precipitation at 248 mm (9.8 in) across 19 days, accompanied by higher humidity levels of 84%. For detailed weather insights in February, check out Newport weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 25°C (77°F), with an average of 14°C (58°F). The month experiences moderate precipitation at 71 mm (2.8 in) over about 9 days, and humidity sits at 71%. In contrast, March is typically cooler, with temperatures ranging from 0°C (32°F) to 18°C (64°F) and an average of 8°C (46°F). This month is much wetter, accumulating 191 mm (7.5 in) of rainfall over 18 days, and the humidity rises to 85%. These differences highlight the transitional nature of the seasons, making September feel much warmer and drier compared to the chill and dampness of March. For more specific details on March conditions, visit Newport weather in March.
September and April present contrasting weather patterns. In September, temperatures are generally milder, with a minimum of 9°C (48°F) and a maximum of 25°C (77°F), leading to an average of 14°C (58°F). This month experiences lower precipitation, totaling 71 mm (2.8 in) over about 9 days, and a humidity level of 71%. In comparison, April is cooler overall, with a minimum temperature of 3°C (37°F) and a maximum of only 20°C (69°F), yielding an average of 9°C (49°F). It is also much wetter, with precipitation reaching 158 mm (6.2 in) across approximately 16 days, accompanied by higher humidity at 83%. For more insights into April weather specifically, you can visit Newport weather in April.
When comparing the weather in September and May, we see distinct differences in temperature and humidity levels. September boasts a warmer average temperature of 14°C (58°F) with maximum temperatures reaching up to 25°C (77°F), while May's average is cooler at 11°C (52°F) with a maximum of 21°C (71°F). Precipitation is quite similar in both months, with September receiving 71 mm (2.8 in) over 9 days, and May slightly higher at 74 mm (2.9 in) across 10 days. Additionally, humidity is notably higher in May at 83%, compared to September's 71%. For more specific details about the climate in May, you can check Newport weather in May.
In comparison to June, September's weather offers a slightly warmer experience, with average temperatures rising from 13°C (56°F) to 14°C (58°F). Both months share a maximum temperature of 25°C (77°F), but September enjoys a marginally higher minimum temperature of 9°C (48°F), compared to June's 8°C (47°F). However, September experiences a bit more rainfall, with 71 mm (2.8 in) over 9 days, in contrast to June's 62 mm (2.4 in) across 7 days. It's also worth noting that September's humidity levels are lower at 71%, compared to June's higher humidity at 83%. For more detailed insights on June weather, you can visit Newport weather in June.
September and July display noticeable differences in weather patterns. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 25°C (77°F), with an average of 14°C (58°F). This month experiences more precipitation, totaling 71 mm (2.8 in) over about 9 days, accompanied by a humidity level of 71%. In contrast, July has slightly warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 21°C (70°F), averaging 15°C (58°F). It is a much drier month, receiving only 9 mm (0.4 in) of rain in just 1 day, while also featuring higher humidity at 82%. For more detail on July’s weather specifics, you can visit Newport weather in July.
In comparing the weather of September to August, we see a slight dip in temperature ranges. September's average temperature is 14°C (58°F), with a minimum of 9°C (48°F) and a maximum of 25°C (77°F), while August boasts a slightly higher average of 15°C (59°F), with minimum and maximum temperatures of 10°C (51°F) and 25°C (76°F), respectively. Notably, September experiences significantly more precipitation, totaling 71 mm (2.8 in) over 9 days compared to August's mild 13 mm (0.5 in) over just 2 days. Additionally, humidity levels are fairly similar, with September at 71% and August at 74%. For more details on August weather, check out Newport weather in August.
September and October experience a notable shift in weather conditions. In September, temperatures range from a mild low of 9°C (48°F) to a warm high of 25°C (77°F), with an average of 14°C (58°F). The month sees an average precipitation of 71 mm (2.8 in) over 9 days, and humidity levels sit at 71%. By contrast, October brings cooler temperatures, with a minimum of 3°C (37°F), an average of 12°C (54°F), and a maximum of 20°C (69°F). The month is also wetter, accumulating 151 mm (5.9 in) of rainfall over 13 days, along with increased humidity at 81%. For more details, check out the Newport weather in October.
In September, the weather is typically milder, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 25°C (77°F) and an average of 14°C (58°F). The month sees relatively low precipitation, totaling 71 mm (2.8 in) over 9 days, with humidity levels around 71%. In contrast, November brings a marked drop in temperatures, with lows of 2°C (35°F) and highs reaching only 16°C (61°F), resulting in an average of 10°C (50°F). The chance of rain increases significantly in November, with a total of 254 mm (10.0 in) of precipitation spread over 17 days, accompanied by higher humidity at 87%. For a more detailed look at the conditions, check out Newport weather in November.
September and December present a stark contrast in weather conditions. In September, temperatures range from a minimum of 9°C (48°F) to a pleasant maximum of 25°C (77°F), with an average around 14°C (58°F). The month sees moderate precipitation of 71 mm (2.8 in) spread across 9 days and a humidity level of 71%. In contrast, December experiences much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of only 13°C (56°F), averaging 8°C (46°F). The weather is significantly wetter, with precipitation reaching 292 mm (11.5 in) over 20 days and increased humidity at 87%. For more detailed insights, check out Newport weather in December.
As summer gives way to autumn, September in Newport presents a delightful transition with milder temperatures and a vibrant change in the atmosphere. While the warm days may still see highs around 25°C (77°F), the average temperatures drop, bringing a refreshing coolness that is perfect for outdoor adventures. With an average humidity of 71% and about nine days of rain totaling 71 mm (2.8 in), September often feels more refreshing than the peak heat of summer months. Ideal for exploring the scenic coast and enjoying local festivities, this month uniquely balances comfort and the onset of fall. For more insights into Newport's climate, visit Newport Climate.