Last updated: August 21, 2025
In September, Oranjestad, Aruba, experiences a warm and inviting tropical climate, with average temperatures hovering around 28°C (83°F), peaking at a maximum of 30°C (86°F) and dipping to a minimum of 25°C (78°F). This month also sees a bit of rainfall, with a total precipitation of 51 mm (2.0 in) spread over about 10 days, contributing to the lush greenery of the island. With humidity levels reaching 81%, visitors can expect a touch of tropical warmth, making it an ideal time for those looking to enjoy the beauty of this Caribbean paradise while staying cool by the sea.
In September, Oranjestad, Aruba, embraces the lingering warmth of summer as temperatures remain consistently inviting. With minimums settling at 25°C (78°F) and averages rising to 28°C (83°F), visitors can expect balmy days perfect for beach lounging. The warmth peaks at a maximum of 30°C (86°F), characteristic of the island's lush tropical climate. This month marks a continuation of the gradual temperature increase seen since May, creating a perfect backdrop for outdoor adventures and relaxation alike. As the seasons shift, September’s warmth is complemented by gentle ocean breezes, making it an ideal time to soak in the vibrant culture and natural beauty of Aruba.
September marks a notable shift in precipitation patterns for Oranjestad, Aruba, as the island experiences its wettest month before the peak of the rainy season. With 51 mm (2.0 in) of rain falling over an average of 10 days, a significant increase from the drier summer months is evident. This uptick is a precursor to the even heavier rains in October and November, which see averages of 111 mm (4.4 in) and 109 mm (4.3 in), respectively. As the landscape transitions into a more lush, vibrant state, September serves as both a bridge to the impending downpours and a reminder of the dynamic climate influencing this tropical paradise.
As summer transitions into fall, September in Oranjestad, Aruba brings a slight dip in humidity, averaging 81%. This marks a continuation of the steady humidity levels seen throughout the year, with July and June peaking at 85%. As the peak tourist season approaches, visitors can enjoy a more comfortable atmosphere, reminiscent of the mild humidity experienced in the earlier months of the year. Notably, the humidity levels remain relatively stable, fluctuating only a few percentage points, showcasing Aruba's consistently tropical climate year-round. As October approaches, humidity will maintain this comfortable trend, lingering around 81%.
In September, Oranjestad, Aruba experiences a consistent UV Index of 13, maintaining its classification of extreme exposure that has been prevalent throughout the summer months. This trend highlights the region's steady intensity of sun exposure, making it crucial for visitors to adhere to strict sun protection measures, as burn time is limited to just 10 minutes. Following this high point in the UV Index, the values begin to taper slightly in the autumn months, with a gradual decrease leading into October. Travelers can stay informed and prepare accordingly by checking the latest updates on the Oranjestad UV Index.
UV Risk Categories
In September, Oranjestad, Aruba, continues to bask in an impressive 337 hours of sunshine, maintaining the island's vibrant allure. As the sun begins to dip slightly from the peak summer months, which boast an average of 364 hours in July and 360 hours in August, September still offers plenty of bright days for beachgoers and adventurers alike. The trend reveals that while the days may begin to shorten, sunshine remains abundant, reminding visitors that this Caribbean paradise is a year-round destination. With October following closely at 325 hours, the warm embrace of the sun in September invites travelers to soak in the lingering summer vibes before the seasonal shift.
September in Oranjestad, Aruba, offers a promising chance of sunny weather, with a 51% likelihood of clear skies. This places it slightly above the average for the late summer months, presenting a balance between warm days and occasional tropical showers. As the vibrant summer season transitions into autumn, September stands out with favorable conditions when compared to the preceding months of July and August, which showcase consistently low sun chances at 53% and 41% respectively. With sunshine still prevalent, visitors can enjoy both the beauty of the beach and the allure of local activities throughout the month.
In September, Oranjestad, Aruba enjoys a delightful 12 hours of daylight, continuing the trend established throughout the summer months. This consistent duration of sunlight from March through September invites residents and visitors alike to soak up the warm rays and indulge in the island's breathtaking outdoor activities. As the year progresses into autumn, daylight gradually decreases, with October marking a gentle decline to 11 hours. However, the vibrant atmosphere cultivated during these sunlit days leaves a lasting impression, reminding us of the island's charm right before the shift toward shorter days in the later months.
In September, Oranjestad experiences a gentle shift in wind patterns as the average wind speed dips to 8.2 m/s (18 mph), marking one of the lowest points of the year. This decrease suggests a subtle transition towards the calmer months ahead, following a summer characterized by steadier breezes around 9.4 m/s. While the winds are still delightful enough to enjoy outdoor activities, the mildness of September creates an inviting atmosphere for relaxation and contemplation. As the island prepares to welcome the fall, these softer winds make way for a more tranquil experience, enhancing Aruba’s charm during this picturesque time of year.
Weather in Oranjestad varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Oranjestad, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is typically warmer than in January, with average temperatures hovering around 28°C (83°F) compared to January's 26°C (79°F). September also sees slightly higher maximum temperatures, reaching up to 30°C (86°F), while January peaks at 27°C (82°F). Both months experience relatively high humidity, with September at 81% and January at 80%. Precipitation is more frequent in September, with 51 mm (2.0 in) falling over 10 days, compared to January's 35 mm (1.4 in) of precipitation over 11 days. For more detailed information, you can check Oranjestad weather in January.
In September, the weather typically features warmer temperatures, ranging from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), with an average of 28°C (83°F). This month also witnesses a higher level of precipitation, accumulating about 51 mm (2.0 in) over approximately 10 days, maintaining a humidity level of 81%.
In contrast, February presents slightly cooler conditions, where temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average temperature of 26°C (78°F). Precipitation is also lower at around 25 mm (1.0 in) over 9 days, while the humidity remains consistent at 81%. For more details, check out Oranjestad weather in February.
In September, temperatures are generally higher, with a minimum of 25°C (78°F) and an average of 28°C (83°F), peaking at 30°C (86°F). The month sees more rainfall, with a total precipitation of 51 mm (2.0 in) across approximately 10 days, while humidity remains consistent at 81%. In contrast, March offers slightly cooler weather, with minimum temperatures of 24°C (75°F), an average of 26°C (79°F), and a maximum of 27°C (81°F). Precipitation in March is significantly lower at 23 mm (0.9 in), spread over just 6 days, but the humidity levels are still at 81%. For a more detailed look at March weather, you can visit Oranjestad weather in March.
In comparing the weather of September and April, we notice a few notable differences. September tends to be warmer, with average temperatures around 28°C (83°F) and maximums reaching up to 30°C (86°F), while April sees slightly cooler averages of 26°C (80°F) and maximums of 27°C (82°F). Additionally, September experiences more rainfall, with a total of 51 mm (2.0 in) spread over about 10 days, compared to April's much drier climate, which receives only 15 mm (0.6 in) across 3 days. Humidity levels are relatively similar, with September at 81% and April slightly higher at 82%. For more detailed weather insights, you can check Oranjestad weather in April.
In comparing the weather between September and May, both months feature warm temperatures, with September experiencing slightly higher averages. September's temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), while May sees a similar minimum but a slightly lower maximum of 28°C (82°F) and an average of 27°C (80°F). Precipitation levels are notably different, with September receiving 51 mm (2.0 in) over about 10 days, compared to May's lighter rainfall of 21 mm (0.8 in) over just 4 days. Humidity remains relatively high in both months, with September at 81% and May at 84%. For a more detailed look at May weather, you can explore Oranjestad weather in May.
In comparing the weather between September and June, we see that both months are characterized by warm temperatures. September experiences a slightly higher average temperature of 28°C (83°F) compared to June's average of 27°C (81°F). However, June has a marginally lower maximum temperature of 28°C (82°F) compared to September's peak of 30°C (86°F). When it comes to precipitation, September is significantly wetter, with 51 mm (2.0 in) of rainfall over 10 days, whereas June sees only 18 mm (0.7 in) over just 5 days. Additionally, humidity levels are slightly higher in June at 85% compared to September's 81%. For more detailed information about June's weather, you can visit Oranjestad weather in June.
In comparing the weather between September and July, September tends to be slightly warmer with average temperatures reaching 28°C (83°F) compared to July's average of 27°C (81°F). Both months experience similar minimum temperatures, but September sees a higher maximum temperature of 30°C (86°F) versus July's 29°C (84°F). Additionally, September is noticeably wetter, with a precipitation total of 51 mm (2.0 in) spread over 10 days, while July has a much lesser amount of 20 mm (0.8 in) over only 5 days. Humidity levels are also slightly lower in July at 85% compared to 81% in September. For a more detailed overview of July weather, you can visit Oranjestad weather in July.
In comparing the weather between September and August, we see that temperatures remain consistent, with both months featuring a minimum of 25°C (78°F), an average of around 28°C (82°F-83°F), and a maximum of 30°C (86°F). However, September experiences slightly higher precipitation at 51 mm (2.0 in) over 10 days, compared to August's 36 mm (1.4 in) over 8 days. Additionally, humidity levels are slightly lower in September at 81%, while August boasts a humidity level of 83%. For more detailed insights, you can visit Oranjestad weather in August.
In September, the weather tends to be warm and relatively dry, with average temperatures around 28°C (83°F) and only 51 mm (2.0 in) of precipitation spread over 10 days. However, as October arrives, temperatures remain stable but see a slight decrease in the maximum to 29°C (85°F). Interestingly, October experiences significantly more rain, accumulating 111 mm (4.4 in) over 19 days, while maintaining the same humidity level of 81%. For a closer look at the weather patterns, check out Oranjestad weather in October.
September and November exhibit some notable differences in weather patterns. In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), with an average temperature of 28°C (83°F). The month experiences relatively less precipitation, totaling 51 mm (2.0 in) over approximately 10 days, while maintaining a humidity level of 81%.
In contrast, November sees a slight decrease in temperature, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). However, it experiences significantly more rainfall, accumulating 109 mm (4.3 in) over 22 days, and a slightly higher humidity of 82%. For more details on November weather, check out Oranjestad weather in November.
September and December in Oranjestad display relatively similar weather patterns, with both months experiencing high temperatures and notable humidity. In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), with an average of 28°C (83°F) and 51 mm (2.0 in) of precipitation over about 10 days. In December, the temperatures slightly decrease, maintaining a minimum of 24°C (76°F) and a maximum of 29°C (84°F), averaging 27°C (80°F). Precipitation increases slightly to 53 mm (2.1 in) but occurs over more days, totaling 18. Humidity remains consistent at 81% in both months. This highlights a transition from the more stable weather of September to a wetter December season, making it worth noting for those planning travel. For more specifics, you can check Oranjestad weather in December.
As September rolls in, Oranjestad experiences a warm embrace with temperatures consistently hovering around 28°C (83°F). This month stands out with a notable degree of humidity, reaching around 81%, which makes the air feel more tropical compared to other times of the year. While occasional showers may briefly disrupt the warm sunshine, with about 10 days of precipitation, these rainfalls often provide a refreshing respite from the heat rather than a washout. Overall, September's weather offers visitors a unique blend of warmth and moisture, perfect for enjoying the vibrant Caribbean lifestyle. For more insights into the climatic nuances throughout the year, check out Oranjestad Climate.