Last updated: August 31, 2025
In September, Grabouw, South Africa experiences a delightful transition into spring, with temperatures ranging from a comfortable minimum of 7°C (45°F) to a maximum of 29°C (84°F). The average temperature sits at 14°C (57°F), providing a pleasant climate for outdoor activities. However, this month also sees about 50 mm (2.0 in) of precipitation spread over 8 days, contributing to the region's lush greenery. With humidity levels around 76%, the air is rich and invigorating, perfect for those looking to explore Grabouw’s stunning natural landscapes.
In September, Grabouw experiences a delightful transition from the cooler winter months to the mild spring warmth. Temperatures start to rise, with minimums around 7°C (45°F) and averages hovering at 14°C (57°F), providing a refreshing yet comfortable atmosphere. The maximum temperatures can reach up to 29°C (84°F), hinting at the sunny days to come. This month marks a turning point, as the average temperature begins to climb from the chill of August, setting the stage for the warmer months ahead, while still offering the occasional crisp morning. Visitors can enjoy pleasant outdoor activities amidst the early blooming landscapes, making September a wonderful time to explore Grabouw's natural beauty.
September marks a transitional period in Grabouw, South Africa, as it experiences a moderate precipitation total of 50 mm (2.0 in) across 8 days of rainfall. This amount reflects a notable decrease from the wetter winter months, such as June and July, which each brought over 90 mm. However, September's precipitation is substantial enough to indicate the ongoing influence of the winter rains while hinting at the drier spring ahead. As the year progresses into October, precipitation levels begin to rise slightly again, creating a dynamic pattern that showcases Grabouw's shifting climate, with rainy days gradually becoming less frequent as the seasons change.
In Grabouw, South Africa, September ushers in a slight dip in humidity, with levels averaging 76%. This decline marks a gentle transition from the high humidity experienced in the preceding months, reflecting a trend where humidity peaks at 81% in March before tapering off towards the end of the year. September’s humidity is notably lower than the peak summer months, yet just a touch below the averages of the preceding August (77%) and the upcoming October (77%). Overall, the data illustrates a consistent and comfortable rhythm, where humidity levels fluctuate minimally, maintaining a generally hospitable environment across the seasons.
As the seasons transition in Grabouw, South Africa, September brings a very high UV Index rating of 9, indicating that sun protection is essential. This marks a significant uptick from the previous months, which saw moderate to high levels of UV exposure during winter. With a burn time of just 15 minutes, outdoor enthusiasts should be cautious, especially as the region heads towards the more extreme UV levels experienced in the summer months of January through March. This trend highlights the importance of adapting sun safety practices as fall approaches. To stay informed about UV levels and plan your outdoor activities effectively, check out the Grabouw UV Index.
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As September sweeps into Grabouw, South Africa, residents and visitors alike can bask in approximately 325 hours of brilliant sunshine, marking a notable transition into the more radiant months ahead. Following the winter’s more muted tones, September shines brightly, with longer days hinting at the arrival of spring. This month stands as a bridge, slightly above the 308 hours of August yet still a precursor to the magnificent October, which boasts 372 hours of sunlight. The trend is clear: as the year progresses, the sun begins to generously unfurl its warmth, culminating in December’s dazzling 420 hours. September’s ample sunshine not only invigorates the landscape but also lifts spirits, heralding a season of rejuvenation and vibrant life in the valley.
As September arrives in Grabouw, South Africa, the likelihood of enjoying sunny weather stands at 53%, a trend that mirrors the transitional month of August. While the sunshine in this late winter month may not rival the balmy days of summer, it does maintain a moderately bright disposition. This consistent chance of sun continues the gradual shift from the cooler months of winter, with September marking a pivotal moment as the region prepares for the warmer and more radiant days ahead. With the chance of pleasant weather remaining steady, September offers an appealing opportunity for outdoor activities amid the emerging spring flowers.
As autumn approaches in Grabouw, South Africa, the daylight duration begins to shift, reflecting the seasonal transformation. After basking in 14 hours of daylight in January, the summer sun steadily recedes, with February and March witnessing a gradual decline. By April, daylight has diminished to 11 hours, marking the transition into the shorter days of winter, where June drops to a mere 9 hours. However, as spring returns, daylight hours begin their ascent once again. In September, residents can enjoy 11 hours of daylight, signaling the promise of longer days ahead. This rhythmic pattern of daylight not only highlights the beauty of seasonal change but also sets the stage for the vibrant emergence of spring as October brings back 12 hours of sunlight.
As September rolls into Grabouw, South Africa, the winds pick up slightly, averaging 4.4 m/s (10 mph), marking a gentle increase from the milder gusts of the winter months. Following a slow decline from the summer breeze, which peaked in January at 4.8 m/s, September's winds signal a shift towards more invigorating conditions that pave the way for the arrival of spring. This uptick not only enhances the region's stunning landscapes but also invigorates outdoor activities, as residents and visitors alike embrace the refreshingly crisp air. The trend of consistent wind speeds throughout the year, hovering around the 4 m/s mark during transitional months, highlights Grabouw's unique climate balance, creating an inviting atmosphere for all who experience it.
Weather in Grabouw varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grabouw, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is marked by a significant range in temperatures, with minimums around 7°C (45°F) and maximums reaching 29°C (84°F), averaging at 14°C (57°F). The month experiences around 50 mm of precipitation over 8 days, while humidity levels hover at 76%. In contrast, January offers warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), averaging 20°C (68°F). The rainfall is more moderate, totaling 24 mm over just 5 days, and the humidity slightly increases to 77%. For a detailed look at January weather, check out Grabouw weather in January.
September and February present different weather patterns, showcasing the transition between seasons. In September, temperatures range from a cool 7°C (45°F) at night to a warmer 29°C (84°F) during the day, with an average of 14°C (57°F). The month experiences approximately 50 mm (2.0 in) of precipitation over about 8 days, leading to a humidity level of 76%. In contrast, February offers milder temperatures, with a minimum of 14°C (57°F) and a maximum of 29°C (85°F), resulting in a pleasant average of 20°C (69°F). Precipitation drops significantly to 18 mm (0.7 in) over just 4 days, while humidity slightly increases to 80%. For a detailed overview of weather conditions, check out Grabouw weather in February.
September's weather is characterized by a broader temperature range, with minimums around 7°C (45°F) and maximums reaching up to 29°C (84°F). During this month, the average temperature hovers at about 14°C (57°F) with a precipitation amount of 50 mm (2.0 in) spread over 8 days, and humidity levels at 76%. In contrast, March offers milder conditions, with minimum temperatures starting at 13°C (55°F) and averaging 19°C (66°F), also peaking at 29°C (85°F). Precipitation in March is lower, at 33 mm (1.3 in) over just 5 days, and the humidity slightly increases to 81%. For a closer look at the weather specifics in March, check out Grabouw weather in March.
When comparing the weather in September and April, notable differences emerge. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average of 14°C (57°F). The month experiences around 50 mm (2.0 in) of precipitation over 8 days, accompanied by a humidity level of 76%. In contrast, April boasts slightly warmer temperatures, with a minimum of 11°C (52°F) and a maximum reaching 30°C (86°F), averaging 17°C (63°F). Precipitation in April is lower, totaling 29 mm (1.2 in) over just 6 days, while humidity is marginally higher at 80%. For a more detailed look at April weather, check out Grabouw weather in April.
When comparing the weather in September and May, we see some notable differences. September typically has a wider temperature range, with minimums of 7°C and maximums reaching up to 29°C, while May is slightly warmer overall, with minimums of 10°C and maximums of 27°C. Precipitation in May is higher, averaging 74 mm over 6 days compared to September's 50 mm over 8 days. Additionally, the humidity in both months is fairly high, with May seeing a marginally higher level at 78% compared to September's 76%. For more detailed insights into May weather, visit Grabouw weather in May.
September and June offer distinct weather characteristics despite their similar average temperatures. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), providing a warm end to winter with an average temperature of 14°C (57°F). However, the month experiences an average precipitation of 50 mm (2.0 in) over about 8 days, contributing to a humidity level of 76%.
In contrast, June sees slightly cooler temperatures, with minimums around 6°C (44°F) and a maximum of 24°C (76°F), while still averaging 14°C (57°F). This month is wetter, receiving 104 mm (4.1 in) of rain over approximately 10 days, leading to a higher humidity level of 79%. The increased precipitation in June makes it a more humid month compared to September. For a more detailed look at June weather, check out Grabouw weather in June.
When comparing the weather in September and July, September generally offers warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 29°C (84°F), which is notably higher than July's maximum of 25°C (78°F). The average temperature in September is also slightly higher at 14°C (57°F) compared to July's 13°C (56°F). However, September experiences a lower amount of precipitation, with 50 mm (2.0 in) over 8 days, while July sees more rainfall at 95 mm (3.7 in) across 9 days. Humidity levels remain relatively constant, with September at 76% and July at 80%. For more detailed information, check Grabouw weather in July.
In comparing the weather of September and August, September typically presents a slightly warmer climate, with average temperatures rising to 14°C (57°F) compared to August's 12°C (55°F). The maximum temperatures also see an increase, reaching 29°C (84°F) in September, while August peaks at 25°C (77°F). However, September experiences less rainfall, with only 50 mm (2.0 in) over 8 days, compared to August's higher precipitation of 83 mm (3.3 in) over 11 days. Both months have similar humidity levels, with September at 76% and August at 77%. For more details, you can check Grabouw weather in August.
In comparing the weather between September and October, we see a subtle shift in temperatures and precipitation. September typically welcomes cooler mornings with a minimum of 7°C (45°F) and averages around 14°C (57°F), while October sees a slight increase, with minimum temperatures at 9°C (48°F) and average temperatures rising to 16°C (60°F). Both months share maximum temperatures that barely change, peaking at 29°C (84°F) in September and 29°C (85°F) in October. Precipitation also rises slightly from 50 mm (2.0 in) in September to 58 mm (2.3 in) in October, with the number of rainy days remaining consistent at 8. Humidity levels are comparable as well, with September at 76% and October slightly higher at 77%. For a more detailed look at the weather conditions in October, you can check Grabouw weather in October.
September and November present comparable weather patterns, though with some distinct differences. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), averaging around 14°C (57°F). The month sees around 50 mm (2.0 in) of precipitation over 8 days, accompanied by a humidity level of 76%. Conversely, November features slightly warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 27°C (81°F), averaging 17°C (63°F). Precipitation remains similar at 51 mm (2.0 in) but occurs over just 7 days, and humidity is slightly lower at 75%. For more detailed insights, check out Grabouw weather in November.
September and December feature relatively mild weather, though December tends to be slightly warmer overall. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average temperature of 14°C (57°F) and about 50 mm of precipitation over 8 days. Conversely, December sees higher minimum and average temperatures, ranging from 13°C (55°F) to 28°C (83°F), with an average of 19°C (66°F) and less precipitation at 31 mm across just 7 days. Both months have similar humidity levels, hovering around 76-77%. For more specific details on December weather, you can visit Grabouw weather in December.
As September unfolds in Grabouw, the transition from winter to spring becomes evident, marked by a refreshing blend of warm days and cooler nights. With maximum temperatures reaching pleasantly high levels, the average daily warmth invites outdoor adventures, while the occasional rainfall ensures that the lush landscape remains vibrant and alive. This month stands out with its relatively high humidity, creating a crisp atmosphere, unlike the drier months that follow. Therefore, visitors can enjoy a unique experience in Grabouw, making it a perfect time to explore the region's natural beauty. For more insights into Grabouw's weather patterns throughout the year, visit Grabouw Climate.