Last updated: February 24, 2025
September in Port Royal, United States, showcases a dynamic climate characterized by warm temperatures and notable humidity. The month experiences a maximum temperature of 35°C (96°F), while the average hovers around a comfortable 26°C (78°F). As temperatures dip, the minimum recorded is a refreshing 14°C (57°F). Precipitation is a key feature, with 120 mm (4.7 in) of rain spread over 14 days, highlighting a humid 83% average. This combination of warmth and moisture creates a vibrant atmosphere, making September a unique time for visitors to experience the coastal charm of Port Royal.
In September, Port Royal experiences a delightful transition as summer begins to wane. With minimum temperatures around 14°C (57°F) and average highs reaching 35°C (96°F), the weather remains warm yet more bearable compared to the sweltering heat of August. The average temperature settles at a comfortable 26°C (78°F), striking a perfect balance for outdoor activities. This month marks a notable shift from the peak summer, gently easing towards the cooler days of autumn, with temperatures gradually decreasing as the month progresses. As the humidity starts to dissipate, September offers a pleasant escape, making it an ideal time to enjoy the scenic beauty that Port Royal has to offer.
In September, Port Royal experiences a notable shift in precipitation patterns, with 120 mm (4.7 in) of rain falling over 14 days. This marks a decline from the significantly higher rainfalls of August, which saw 184 mm (7.3 in) across 22 days, indicating a gradual easing into drier conditions as the summer wraps up. The trend suggests a transitional phase, moving from the peak of summer storms to the milder, more stable weather of autumn. As a result, September not only retains substantial moisture but also serves as a precursor to the fall season’s reduced precipitation, typically averaging less than in the sweltering months preceding it.
In September, Port Royal experiences a notable humidity level of 83%, marking a slight increase from the previous months of summer. This trend reflects the transition from the warmer, more humid days of August to the onset of fall, although September's humidity remains moderate compared to the rest of the year. Throughout the year, the region's humidity peaks during the cooler months of November and December, with levels soaring to 85% and 87%, respectively. Overall, while September showcases a comfortable embrace of humidity, it serves as a gentle reminder of the more humid conditions that lie ahead as the seasons shift.
In September, Port Royal, United States, experiences a very high UV Index of 10, indicating it's crucial for residents and visitors to take sun protection seriously. This marks a slight decline from the peak 11 in the summer months of June through August, yet the burn time remains a mere 15 minutes for unprotected skin. As the year transitions into fall, the UV Index gradually decreases, following a pattern where the intensity peaks in summer and dips in winter. As the days grow shorter and temperatures drop, those heading outdoors should remain vigilant, especially as October still presents a very high UV Index of 8. For more detailed information and precautions, be sure to check out Port Royal UV Index.
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September in Port Royal ushers in a vibrant transition, basking in 304 hours of radiant sunshine. As summer gently bows out, the sun's warmth remains, contributing to a delightful continuation of long, sunlit days. The month showcases a slight decline from the peak of 347 hours in July, yet it retains a generous amount of sunlight, comfortably nestled between the high-energy months of summer and the cooler, shorter days of fall. This trend reflects the area's rich tapestry of seasonal changes, making September an ideal time for outdoor activities and enjoying the natural beauty as the landscape begins its shift towards autumn.
In September, Port Royal enjoys a 52% chance of sunny weather, marking a notable return to more favorable conditions after the particularly gloomy summer months, where sun chances dropped to a low of 27% in June and 30% in July. This moderate likelihood is comparable to the early spring months, adding a refreshing contrast to the wetter seasons. As temperatures begin to cool down and the humidity decreases, September stands out as a pleasant time for outdoor activities, making the most of the sunny spells before the transition to autumn. Overall, this month acts as a bridge, reviving sunshine amid the shifting seasons and offering locals and visitors alike the opportunity to relish in the warm rays before the arrival of fall.
As September arrives in Port Royal, the daylight hours begin to taper off after the long summer days. With 12 hours of sunlight, this month signals a shift towards the shorter days ahead. Following the peak of 14 hours in June and July, daylight gradually declines, reflecting the natural ebb and flow of the seasons. September's daylight is a gentle reminder of the vibrant summer that has passed, while setting the stage for the cozy autumn months ahead. As the sun sets a little earlier each evening, residents can enjoy the beauty of the changing leaves, embracing the transition with a blend of warmth and nostalgia.
As September unfolds in Port Royal, the once gentle breezes of summer retreat, yielding to a noticeable decline in average wind speed. With a measured pace of 2.4 m/s (5 mph), the winds whisper softly, marking the transition from the lively gusts of earlier months like March and April, which consistently hovered around 3.5 m/s (8 mph). This gradual decrease in wind intensity is a part of a seasonally shifting pattern, where the winds begin to calm from their summer peak. By October, a slight rise to 2.7 m/s (6 mph) hints at the possibility of a more dynamic autumn ahead, reminding us that nature’s rhythm is ever-evolving, inviting us to embrace the tranquility of September's gentle caress.
The weather in Port Royal 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 Port Royal and find detailed weather information for every month.
September and January exhibit stark contrasts in weather conditions. September typically features warmer temperatures, with a minimum of 14°C (57°F) and an average of 26°C (78°F), peaking at a scorching 35°C (96°F). It also has a higher level of precipitation at 120 mm (4.7 in) over 14 days, accompanied by relatively high humidity at 83%. In contrast, January experiences much chillier conditions, with temperatures dropping to a minimum of -11°C (13°F) and reaching a maximum of 26°C (80°F), reflecting a significant variation. The month also sees considerably less precipitation, with only 59 mm (2.3 in) falling over just 6 days, and humidity levels remaining high at 86%. For more details on January weather in Port Royal, check out Port Royal weather in January.
September and February present stark contrasts in weather patterns. In September, temperatures range from a minimum of 14°C (57°F) to a scorching maximum of 35°C (96°F), with an average of 26°C (78°F), accompanied by high humidity levels of 83%. This month sees significant rainfall, with about 120 mm (4.7 in) spread over 14 days. Conversely, February experiences much colder conditions, with minimum temperatures dropping to -2°C (28°F) and a maximum of 29°C (84°F), resulting in a much cooler average of 14°C (57°F). While February has less rain, totaling 78 mm (3.1 in) over 9 days, it maintains a slightly lower humidity of 81%. For more detailed information about February weather, you can visit Port Royal weather in February.
In comparing the weather of September and March, striking differences emerge. September boasts warmer temperatures, with lows of 14°C (57°F) and average highs reaching up to 35°C (96°F), while March starts off much chillier, with a minimum of -2°C (29°F) and average highs around 32°C (90°F). Additionally, September tends to be more humid, with humidity levels at 83%, compared to March's slightly lower humidity of 81%. Precipitation is also notable in September, averaging 120 mm (4.7 in) over 14 days, whereas March sees less rain, totaling 67 mm (2.6 in) over only 7 days. For more details on the weather in March, you can check Port Royal weather in March.
September and April present quite different weather patterns. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 35°C (96°F), with an average of 26°C (78°F). This month also sees considerable rainfall, accumulating 120 mm (4.7 in) over approximately 14 days, and the humidity levels are noticeably high at 83%. In contrast, April features milder temperatures, with a minimum of 3°C (37°F), an average of 19°C (67°F), and a maximum of 33°C (91°F). While April does have some precipitation, it totals 90 mm (3.6 in) over just 7 days, and the humidity is slightly lower at 79%. For more detailed insights specifically related to Port Royal, you can check Port Royal weather in April.
September and May present distinct weather patterns despite both being transitional months. September experiences warmer temperatures with an average of 26°C (78°F) and peak highs reaching 35°C (96°F), while May offers a slightly cooler average of 24°C (75°F), with maximum temperatures hitting 38°C (100°F). Rainfall is more frequent in September, with about 120 mm (4.7 in) across 14 days, compared to May's 93 mm (3.7 in) over just 11 rainy days. Additionally, September's humidity is higher at 83%, in contrast to May's more moderate 75%. For specific details on May's weather, refer to Port Royal weather in May.
When comparing the weather in September and June, both months exhibit warm temperatures, but September tends to have slightly cooler nights, with a minimum temperature of 14°C (57°F) compared to June's 16°C (61°F). The average temperatures remain fairly consistent, hovering around 26°C (78°F) in both months. However, June reaches a maximum of 36°C (97°F), just slightly above September's peak of 35°C (96°F). Precipitation is more prevalent in June, with an average of 139 mm (5.5 in) across 18 days, compared to September's 120 mm (4.7 in) falling over 14 days. Additionally, September experiences higher humidity at 83%, while June's humidity is lower at 75%. For a detailed look at June weather, you can visit Port Royal weather in June.
In comparing the weather between September and July, September tends to offer slightly cooler temperatures, with average highs around 26°C (78°F) compared to July’s average of 28°C (82°F). July is warmer overall, featuring minimum temperatures that start at 20°C (69°F), while September's lows are around 14°C (57°F). Rainfall is more abundant in July, with 174 mm (6.8 in) of precipitation over 19 days, compared to 120 mm (4.7 in) over 14 days in September. Both months experience high humidity, with September at 83% and July slightly lower at 80%. For a closer look at the specifics, check out Port Royal weather in July.
In comparing the weather between September and August, September presents slightly cooler temperatures, with minimums of 14°C (57°F) versus August's warmer minimum of 21°C (69°F). While the average temperature in September is closely aligned at 26°C (78°F) compared to August's 27°C (81°F), the maximum temperature in September is notably lower at 35°C (96°F), compared to August’s peak of 37°C (99°F). Additionally, September experiences less overall precipitation, totaling 120 mm (4.7 in) over 14 days, whereas August has a higher rainfall amount of 184 mm (7.3 in) across 22 days. Humidity slightly varies, with September showing 83% compared to August's 81%, indicating a marginally more humid atmosphere. For more detailed insights into August's weather, you can check Port Royal weather in August.
September's weather is characterized by warmer temperatures and higher humidity, with average highs reaching up to 35°C (96°F) and a notable 120 mm (4.7 in) of precipitation spread over 14 days. In contrast, October brings a significant drop in minimum temperatures to 3°C (38°F), while the average temperature settles around 22°C (72°F). Despite the slightly cooler and drier conditions in October, with only 74 mm (2.9 in) of rainfall over 9 days, the weather remains relatively pleasant, with humidity decreasing to 78%. For more details on October weather, check out Port Royal weather in October.
September and November present contrasting weather patterns, reflecting the transition from summer to fall. In September, temperatures peak with a maximum of 35°C (96°F) and an average of 26°C (78°F), alongside high humidity levels at 83%. This month experiences considerable rainfall, totaling 120 mm (4.7 in) over 14 days. In contrast, November brings a cooler climate, with nighttime temperatures dropping to a minimum of -1°C (31°F) and an average of 15°C (59°F). Precipitation is also reduced to 83 mm (3.3 in) over just 8 days, while humidity barely changes at 85%. For more detailed insights into the weather during this month, visit Port Royal weather in November.
In September, the weather is warm and humid, with average temperatures reaching 26°C (78°F) and highs peaking at 35°C (96°F). This month sees significant rainfall, with approximately 120 mm (4.7 in) of precipitation over 14 days. In contrast, December is much cooler, featuring an average temperature of 12°C (54°F), with lows dipping to -3°C (26°F) and highs reaching a milder 26°C (79°F). Rainfall is slightly less in December, totaling around 116 mm (4.6 in) over 9 days, while humidity levels remain high at 87%. For more detailed information, check out Port Royal weather in December.
As summer transitions into fall, September in Port Royal brings noticeable shifts in weather patterns compared to the preceding months. Temperatures peak at warm levels, yet the average offers a more comfortable atmosphere, providing a welcome break from the intense heat. However, this month is characterized by increased rainfall, with nearly half of the days experiencing precipitation—a contrast to the drier summer months. Humidity levels remain high, contributing to a tropical feel that lingers in the air. For those curious about the broader climate trends throughout the year, visit Port Royal Climate for more insights.