Last updated: October 31, 2025
September in Philipsburg, Sint Maarten presents a warm tropical climate, with maximum temperatures reaching around 29°C (85°F) and an average of 28°C (82°F), ensuring warm days throughout the month. The minimum temperature can dip to 25°C (77°F), providing some relief during the evenings. However, this month also sees considerable precipitation, with an average of 161 mm (6.3 in) of rainfall over approximately 22 days, resulting in a humid atmosphere with a humidity level of about 80%. Visitors should be prepared for both sun and rain as they enjoy the vibrant beauty of this Caribbean destination.
September in Philipsburg, Sint Maarten brings a delightful warmth as the summer season gradually transitions into fall. With minimum temperatures hovering around 25°C (77°F), the days are comfortably balmy, while the average temperature reaches a pleasant 28°C (82°F). The maximums can peak at 29°C (85°F), making it one of the warmest months of the year, just like its predecessors in July and August. This consistent warmth, coupled with the gentle sea breeze, makes September an inviting time for beach lovers and adventurers alike, as the tropical charm of this Caribbean paradise continues to thrive.
September in Philipsburg, Sint Maarten, marks a distinctive shift in the island's weather patterns, as it experiences the highest precipitation levels of the year, totaling 161 mm (6.3 in). This significant leap from the preceding months is accompanied by an increase in rainy days, with 22 days of precipitation recorded. The transition from the relatively dry summer months—where July and August see approximately 83 mm (3.3 in) and 87 mm (3.4 in) respectively—highlights September's role as a turning point in the rainy season. This surge in rainfall lays the groundwork for the lush, vibrant landscapes that characterize the region in the later months. As the island navigates through this wet period, it showcases the dynamic interplay between tropical climate patterns and the enchanting beauty of Sint Maarten.
In September, humidity in Philipsburg, Sint Maarten, settles at a comfortable 80%, marking a slight dip from the peak of 83% experienced in July. This gradual decrease follows the summer months, where humidity tends to rise, especially in June and July, reaching their zenith. As the year transitions into September, the humidity level remains relatively high but begins to align more closely with the earlier months, such as January through March, which consistently hold at 77%. This pattern suggests a gentle shift towards dryer conditions as the island approaches the fall season, hinting at a more moderate climate in the months to come.
September in Philipsburg, Sint Maarten, marks a peak in sun intensity with a dramatic UV Index of 14, pushing it into the extreme exposure category. This slight increase from the already high levels observed throughout the summer months—where it consistently hovered at 13—indicates that sun safety remains crucial. With a burn time of just 10 minutes, sun seekers should be keenly aware of the need for protection, especially during midday hours. As the season transitions into autumn, maintaining vigilance against UV exposure is essential for enjoying the beautiful Caribbean sun. For more details, check out the full report on the Philipsburg UV Index.
UV Risk Categories
September in Philipsburg, Sint Maarten, continues the island’s warm embrace of sunshine, basking in an impressive 322 hours of sunlight. This vibrant month follows the peak summer months, where July and May boast the highest sunshine hours at 362 and 363 hours respectively. As the year transitions into autumn, September maintains a comfortable brightness, not far off from the sun-drenched days of late summer. With consistent daylight throughout the year, including the pleasantly sunny stretch from January’s 259 hours to December’s 323 hours, it's clear that Sint Maarten is a sun-lover’s paradise, offering an inviting atmosphere for visitors and locals alike.
September in Philipsburg, Sint Maarten, offers a promising 58% chance of sunny weather, making it a delightful time to bask in the Caribbean sun. This figure reflects a steady return of brighter days after the lower chances in the summer months of June and August, which dipped to 25% and 46%, respectively. As the summer heat begins to ease, September transitions back to a more favorable climate similar to January and October, both boasting chances of sunshine close to this month. With an ideal balance of warmth and sunshine, September invites visitors to enjoy the stunning beaches and vibrant culture of the island.
In Philipsburg, Sint Maarten, the transition into September brings a delightful consistency in daylight duration, with the sun gracing the island for 12 hours each day. As summer fades, this month stands out for maintaining the vibrant daylight typically enjoyed during the warmer months of June and July. Following the peak of 13 hours in July, September's daylight remains generous, offering ample time for beachgoers and explorers to soak in the sun. This trend of consistent daylight continues into October, signaling a gradual shift towards shorter days as the year progresses, but for now, September delivers a perfect blend of sunshine and warmth, inviting both relaxation and adventure.
As September arrives in Philipsburg, Sint Maarten, the tranquil ambiance is reflected in the gentler breezes of the month, with an average wind speed of 5.3 m/s (12 mph). This marks a noticeable decline from the bustling gusts of the summer, particularly July, which sees winds peak at 8.5 m/s (19 mph). It's a time when the island's vibrancy slows, offering a perfect opportunity for leisurely exploration or relaxation by the beach. This transition into quieter winds continues into October, with speeds slightly rising again to 6.3 m/s (14 mph). Overall, the September winds create a serene backdrop, inviting visitors to savor the island's charm at a more leisurely pace.
Weather in Philipsburg varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Philipsburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average of 28°C (82°F). This month is characterized by significant rainfall, receiving 161 mm (6.3 in) over 22 days, resulting in high humidity levels of 80%. In contrast, January features slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 25°C (78°F), and a maximum of 27°C (81°F). Rainfall diminishes considerably to just 35 mm (1.4 in) over 14 days, and humidity drops slightly to 77%. For more details on the weather conditions during this time, check Philipsburg weather in January.
In September, the weather is typically warmer, with average temperatures reaching 28°C (82°F) and highs of 29°C (85°F). This month experiences considerable rainfall, averaging 161 mm (6.3 in) over 22 days and accompanied by high humidity levels at 80%. In contrast, February presents a milder climate, with average temperatures around 25°C (77°F) and maximums of 26°C (80°F). Precipitation is significantly lower, totaling only 35 mm (1.4 in) over 11 days, and humidity sits slightly lower at 77%. For a more detailed overview of February's weather, check out Philipsburg weather in February.
September weather is considerably warmer and wetter compared to March. With average temperatures hovering around 28°C (82°F) and a maximum of 29°C (85°F), September experiences higher heat alongside 161 mm (6.3 in) of precipitation spread over 22 days, contributing to a humidity level of 80%. In contrast, March tends to be milder, with an average temperature of 25°C (77°F) and a maximum of 26°C (79°F). Precipitation is significantly lower, at just 27 mm (1.1 in) over 10 days, resulting in a slightly less humid environment with humidity around 77%. For more detailed insights, you can check Philipsburg weather in March.
In comparing the weather between September and April, September tends to be warmer and significantly wetter. The temperatures in September range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average of 28°C (82°F), while April's temperatures are slightly lower, with a minimum of 23°C (74°F) and a maximum of 27°C (81°F). Additionally, September experiences much higher precipitation, with 161 mm (6.3 in) over 22 days compared to April’s 35 mm (1.4 in) across only 11 days. Despite these differences, both months feature high humidity, with September at 80% and April at 78%. For more specific details on April weather, you can refer to Philipsburg weather in April.
In September, the weather tends to be warmer and more humid compared to May, with average temperatures reaching 28°C (82°F) and maximums peaking at 29°C (85°F). This month also experiences significantly higher precipitation, with around 161 mm (6.3 in) falling over 22 days, leading to a rather wet climate. In contrast, May presents slightly cooler temperatures, averaging 26°C (79°F) with maximums of 28°C (82°F), and much less rainfall at 49 mm (1.9 in) spread over just 11 days. The humidity is somewhat similar, hovering around 79% in May and slightly higher at 80% in September. For those interested in more specifics, please check Philipsburg weather in May.
In comparing the weather between September and June, we observe that both months experience warm temperatures, with September averaging slightly warmer at 28°C (82°F) compared to June's average of 27°C (81°F). Both months have a minimum temperature of around 25°C (77°F), but September features a higher maximum of 29°C (85°F). A significant difference is noted in precipitation, as September sees a substantial increase in rainfall, totaling 161 mm (6.3 in) over 22 days, whereas June has much lower precipitation of just 50 mm (2.0 in) across 14 days. Humidity levels remain quite similar, with September at 80% and June at 81%. For more detailed insights about June's weather, you can explore Philipsburg weather in June.
In comparing the weather between September and July, September tends to be slightly warmer with an average temperature of 28°C (82°F) and a peak of 29°C (85°F), compared to July's average of 27°C (81°F) and maximum of 29°C (84°F). However, September experiences significantly more rainfall, with 161 mm (6.3 in) over 22 days, while July averages only 83 mm (3.3 in) across 17 days. Furthermore, the humidity in September is slightly lower at 80% compared to July's 83%. For more information, you can check Philipsburg weather in July.
In comparing the weather between September and August, both months exhibit similar temperature ranges, with minimums around 25°C (77°F) and average highs reaching 29°C (85°F in September and 84°F in August). However, September experiences significantly more rainfall with 161 mm (6.3 in) spread over 22 days, while August sees only 87 mm (3.4 in) over 16 days. Humidity levels are also comparable, with September at 80% and August slightly higher at 82%. For more detailed insights, you can view the Philipsburg weather in August.
In September, the weather is marked by higher humidity and significant rainfall, with an average temperature of 28°C (82°F) and a total precipitation of 161 mm (6.3 in) over 22 days. In contrast, October experiences slightly lower temperatures with an average of 27°C (81°F) and reduced rainfall, totaling 113 mm (4.5 in) over 18 days. The humidity decreases marginally to 79%, making the overall climate in October a bit more comfortable. For more details on October weather specifics, you can check Philipsburg weather in October.
In September, the weather tends to be warmer, with average temperatures reaching 28°C (82°F) and maximums of 29°C (85°F). The month is also quite humid, with around 80% humidity and significant rainfall totaling 161 mm (6.3 in) over 22 days. In contrast, November experiences slightly cooler conditions, with an average temperature of 27°C (80°F) and a maximum of 28°C (83°F). Rainfall is considerably less in November, with 96 mm (3.8 in) over 17 days, and humidity is marginally lower at 79%. For more detailed information, you can check Philipsburg weather in November.
In September, the weather is warmer and more humid, with average temperatures around 28°C (82°F) and a high of 29°C (85°F), accompanied by significant rainfall of 161 mm (6.3 in) over approximately 22 days. In contrast, December sees slightly cooler temperatures, with an average of 26°C (79°F) and a maximum of 28°C (82°F). Precipitation also decreases dramatically to 48 mm (1.9 in) over 16 days, and humidity remains just a touch lower at 78%. For more detailed insights, you can check out Philipsburg weather in December.
As September rolls into Philipsburg, the weather takes on a distinct character, setting it apart from other months of the year. With an average temperature hovering around a warm 28°C (82°F), visitors can expect balmy days that may feel more humid due to consistent levels of 80% humidity. However, this month is also marked by increased rainfall, with precipitation occurring on 22 days, resulting in a total of 161 mm (6.3 in) of rain. This blend of warmth and moisture creates a tropical atmosphere that may surprise those familiar with the drier season months. For a comprehensive understanding of the area's climate and to prepare for your trip, check out the detailed information available on Philipsburg Climate.