Last updated: August 31, 2025
In September, Plettenberg Bay experiences a delightful transition into spring, characterized by a maximum temperature of 32°C (90°F) and a refreshing average of 15°C (59°F). Mornings can be crisp, with minimums dipping to 7°C (45°F), making layered clothing a smart choice. This month records approximately 60 mm (2.4 in) of rain spread over 8 days, contributing to the lush landscapes typical of the region. Despite the possibility of occasional showers, humidity levels remain at a comfortable 75%, ensuring that the air remains invigorating for outdoor adventures. Enjoy the blend of warmth and freshness that makes Plettenberg Bay in September truly enchanting!
As September unfolds in Plettenberg Bay, temperatures begin to climb, marking a transition from the cooler winter months. With minimums around 7°C (45°F) and an average of 15°C (59°F), the chill of winter gently dissipates. The days become increasingly warm, as evidenced by a maximum temperature that can soar to 32°C (90°F), hinting at the approaching summer heat. This month stands out as a bridge between the cooler seasons and the more temperate conditions of October, reflecting an overall upward trend in warmth. Whether you're soaking up the sun on the beach or enjoying outdoor activities, September invites visitors to revel in the beauty of Plettenberg Bay's mild yet invigorating climate.
September marks a pivotal transition in Plettenberg Bay's climate, with precipitation levels reaching 60 mm (2.4 in), falling just slightly behind the wettest month of August. This month experiences an average of 8 rainy days, indicating a continuation of the relatively moist weather pattern established in late winter. As spring approaches, the amount of rainfall reflects a gradual decline from winter's peak, yet it remains substantial, serving to rejuvenate the lush landscapes of this coastal haven. With November expected to bring even more precipitation at 66 mm (2.6 in) and about 10 rainy days, September serves as a significant precursor to the wetter months ahead. This blend of moisture not only sustains the vibrant local flora but also hints at the shifting rhythms of Plettenberg Bay's weather as it transitions into the warmer, wetter months.
As summer transitions into autumn in Plettenberg Bay, September brings a slight dip in humidity, settling at 75%. This month marks a shift from the higher levels seen in the earlier winter months, such as August's 73%, granting a refreshing embrace after the damp winter season. Although September maintains a similar humid feel to the surrounding months, it reflects a gradual easing of moisture compared to the thick and lush March, which peaks at 82%. The consistent patterns reveal that while humidity remains relatively high throughout the year, the subtle variations create an inviting climate for outdoor enthusiasts and locals alike.
As September rolls in, Plettenberg Bay experiences a very high UV Index of 9, signalling a shift from the moderate levels of winter. During this transitional month, the exposure category indicates that sun protection is still essential, with a burn time of just 15 minutes. This uptick in UV intensity mirrors the dramatic peak seen in the summer months of January through March, where values soared to extreme levels. The gradual increase observed as the year progresses suggests that visitors and locals should be ever vigilant about sun safety, especially given the quick burn time. Discover more about the UV Index and how to stay protected by visiting Plettenberg Bay UV Index.
UV Risk Categories
September in Plettenberg Bay is a delightful transition into spring, boasting 327 hours of sunshine. As the days grow longer, this month enjoys a bright resurgence after the cooler winter months, with sunshine hours gradually increasing from 279 in June to a robust 351 in February. This steady climb towards summer peaks with October's impressive 369 hours, setting the stage for the breathtaking outdoor adventures that Plettenberg Bay is famous for. With warm, sunny days beckoning, September is the perfect time to revel in the natural beauty of the region and watch as it begins to bloom with vibrant life once more.
In Plettenberg Bay, South Africa, the likelihood of sunny weather takes a dip in September, with only a 43% chance of sunshine. This is notably lower compared to the warmer winter months of June and July, which enjoy roughly 68% and 70% sunny days, respectively. As spring emerges, the sun tends to shine more frequently in October and November, where the chances climb to 49% and 44%. Overall, September marks a transition period where the sun wrestles with lingering winter clouds, hinting at the vibrant spring to come.
In Plettenberg Bay, South Africa, September marks a subtle transition as the daylight hours begin to lengthen once more, offering about 11 hours of light. Following the winter months, where the sun graced the skies with just 9 hours in June, there’s a noticeable uptick in brightness. This seasonal shift not only hints at the arrival of spring but also sets the stage for longer days ahead. As the calendar progresses into October and November, residents and visitors alike can look forward to an increasing abundance of daylight, peaking at the 12 hours in October and 13 hours by November. This gradual increase embodies the rhythm of nature, inviting outdoor adventures and the vibrant charm of the warmer months.
As summer gradually gives way to autumn, September in Plettenberg Bay brings a gentle breeze with an average wind speed of 3.9 m/s (9 mph). This marks a slight increase from the calmer days of August, which averaged 3.7 m/s (8 mph), making September feel refreshingly invigorating. The winds are a precursor to the transition into more robust breezes in October, which returns to 4.4 m/s (10 mph). Overall, the trend in Plettenberg Bay showcases a rhythmic ebb and flow of wind patterns, with September sitting comfortably in the middle, hinting at the approaching summer's delightful vitality while still embracing the lingering nuances of winter's grace. Whether for sailing, surfing, or simply enjoying a peaceful walk along the shore, the September winds offer a balanced backdrop for outdoor adventures.
Weather in Plettenberg Bay varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Plettenberg Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather in Plettenberg Bay offers a wider temperature range with a minimum of 7°C (45°F) and an average of 15°C (59°F), peaking at 32°C (90°F). This month experiences about 60 mm (2.4 in) of precipitation over 8 days, combined with a humidity level of 75%. In contrast, January presents warmer conditions, with minimum temperatures around 13°C (55°F) and an average of 20°C (69°F), reaching a maximum of 31°C (88°F). The precipitation in January is slightly lower, totaling 47 mm (1.9 in) over the same 8 days, and humidity remains comparable at 77%. For a more in-depth look at the January climate, check out Plettenberg Bay weather in January.
September and February exhibit notable differences in weather patterns. In September, temperatures range from a cooler 7°C (45°F) at night to a warm daytime maximum of 32°C (90°F), with an average of 15°C (59°F). The month sees about 60 mm (2.4 in) of precipitation over 8 days, with humidity levels sitting around 75%. In contrast, February boasts milder nighttime lows of 13°C (55°F) and an average high of 34°C (94°F), leading to a warmer average of 20°C (69°F). With slightly less precipitation at 44 mm (1.7 in) across 9 days, February is also a more humid month, peaking at 79%. For a detailed look at February weather, you can check out Plettenberg Bay weather in February.
In September, the weather experiences a broader temperature range with a minimum of 7°C (45°F) and a maximum reaching up to 32°C (90°F), resulting in an average temperature of 15°C (59°F). In contrast, March provides a milder environment, with temperatures hovering between a minimum of 11°C (53°F) and a maximum of 31°C (87°F), yielding a more comfortable average of 19°C (67°F). While September sees 60 mm (2.4 in) of precipitation over 8 days, March has less rainfall at 40 mm (1.6 in) but maintains the same number of rainy days. Additionally, humidity levels are slightly higher in March at 82%, compared to September's 75%. For more insights, check out Plettenberg Bay weather in March.
When comparing September and April weather, both months offer mild temperatures, but September tends to have a slightly wider temperature range, with highs reaching up to 32°C (90°F) compared to April's maximum of 30°C (87°F). The average temperature in September is around 15°C (59°F), while April's average is a bit warmer at 17°C (63°F). In terms of precipitation, September receives more rainfall, totaling 60 mm (2.4 in) over approximately 8 days, while April sees only 25 mm (1.0 in) across 7 days. Additionally, humidity levels are higher in April at 81%, compared to 75% in September. For more specific information on April weather, you can visit Plettenberg Bay weather in April.
In comparing the weather of September and May, we see some notable differences. September experiences a wider temperature range, with minimums dipping to 7°C (45°F) and highs reaching up to 32°C (90°F), while May has milder temperatures, ranging from 8°C (47°F) to a maximum of 28°C (82°F). Precipitation in September is higher, averaging 60 mm (2.4 in) over 8 days, compared to May's 34 mm (1.3 in) on just 5 days. Humidity levels are quite similar, with September at 75% and May slightly higher at 77%. For a closer look at weather specifics in May, visit Plettenberg Bay weather in May.
When comparing the weather of September and June, both months exhibit a similar average temperature of 15°C (59°F). However, September experiences a wider temperature range, with minimums at 7°C (45°F) and maximums peaking at 32°C (90°F), making it quite warm at times. In contrast, June has more moderate highs, capping at 27°C (81°F). Additionally, September sees more precipitation, with 60 mm (2.4 in) over 8 days, compared to June's 24 mm (0.9 in) over just 6 days. Humidity remains relatively consistent, with September at 75% and June slightly lower at 74%. For more detailed information on the weather patterns during June, check out Plettenberg Bay weather in June.
When comparing the weather in September and July, September tends to be warmer, with average temperatures reaching 15°C (59°F) and maximum temperatures soaring up to 32°C (90°F). In contrast, July has a cooler average of 14°C (57°F) and a maximum of 26°C (79°F). Additionally, September experiences more precipitation, with 60 mm (2.4 in) over 8 days, compared to July's 42 mm (1.7 in) over 6 days. Humidity levels remain relatively similar, with September at 75% and July at 76%. For more detailed information, you can check out Plettenberg Bay weather in July.
In comparing the weather of September and August, September tends to be slightly warmer, with minimum temperatures reaching 7°C (45°F) compared to August's 6°C (42°F). The average temperature in September rises to 15°C (59°F), while August has a lower average of 13°C (56°F). September also experiences higher maximum temperatures, reaching up to 32°C (90°F) as opposed to August's peak of 26°C (80°F). Precipitation levels are relatively similar, with September receiving 60 mm (2.4 in) over 8 days and August recording 63 mm (2.5 in) over 10 days. Humidity levels remain comparable, with September at 75% and August at 73%. For a more detailed look at August weather, you can visit Plettenberg Bay weather in August.
In comparing September and October weather, both months share similar high temperatures, with maximums peaking at 32°C (90°F). However, September experiences a slightly cooler average temperature of 15°C (59°F) compared to October's 16°C (61°F). Additionally, while September sees a higher total precipitation of 60 mm (2.4 in) over the same number of rainy days as October, which has 49 mm (1.9 in), the humidity remains consistent at 75% for both months. This means that while both months can feel humid, October begins to offer a hint of warmth without the additional rainfall. For a more detailed look at what to expect, check out Plettenberg Bay weather in October.
September and November present relatively mild weather conditions, but with some notable differences. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 32°C (90°F), with an average temperature of 15°C (59°F). The month experiences approximately 60 mm (2.4 in) of precipitation over about 8 days, maintaining a humidity level of 75%. In contrast, November sees slightly warmer temperatures, with a minimum of 9°C (48°F), an average of 17°C (63°F), and a maximum of 31°C (88°F). Precipitation increases slightly to 66 mm (2.6 in) over approximately 10 days, but humidity remains constant at 75%. For more detailed insights, you can check out this link: Plettenberg Bay weather in November.
In September, Plettenberg Bay typically experiences a wider temperature range, with minimums around 7°C (45°F) and maximums reaching up to 32°C (90°F), averaging 15°C (59°F). The month also sees more precipitation, totaling 60 mm (2.4 in) over approximately 8 days, along with a humidity level of 75%. Conversely, December offers milder conditions with minimum temperatures of 11°C (53°F) and maximums near 30°C (87°F), averaging 19°C (66°F). Precipitation is slightly lower at 43 mm (1.7 in) across 9 days, accompanied by a slightly higher humidity at 77%. For more details on the December climate, visit Plettenberg Bay weather in December.
As September rolls into Plettenberg Bay, the weather begins to shift, heralding the arrival of spring. You can expect warmer days, with temperatures gradually climbing, offering a delightful contrast to the cooler winter months. However, the air still carries a hint of crispness, making mild evenings perfect for cozy gatherings. With an average humidity of 75% and occasional rain showers, the landscape bursts to life, cloaked in vibrant blooms and lush greenery, setting the scene for outdoor adventures. For a more detailed understanding of the region’s climate, check out Plettenberg Bay Climate.