Last updated: August 21, 2025
In September, Riohacha, Colombia, experiences warm and humid weather, characterized by a maximum temperature of 35°C (96°F) and an average of 28°C (83°F), revealing the tropical nature of the region. As the month unfolds, temperatures dip slightly to a minimum of 24°C (75°F) during cooler nights. However, the weather is marked by considerable precipitation, with totals reaching 124 mm (4.9 inches) over approximately 22 days of rain. This high humidity level of 84% adds to the sultry atmosphere, making September a quintessentially tropical experience in this vibrant coastal city.
In September, Riohacha, Colombia, continues to bask in the warm embrace of the Caribbean sun. With minimum temperatures averaging around 24°C (75°F) and daytime peaks reaching up to 35°C (96°F), the heat remains consistent, though slightly cooler than the blistering highs of the summer months. The average temperature settles at 28°C (83°F), providing a pleasant environment for locals and visitors alike. As the month progresses, the slight dip in temperatures signals a transition toward the cooler months ahead, yet the tropical warmth prevails, sustaining the vibrant atmosphere of this coastal gem. This perfect blend of warmth and coastal breezes invites exploration of Riohacha's stunning beaches and lively culture.
In September, Riohacha experiences a noticeable surge in rainfall, with 124 mm (4.9 in) of precipitation spread over a significant 22 days. This trend marks one of the wettest months of the year, following a particularly rainy August and paving the way for an even wetter October. The increase in both the amount and the frequency of rainy days illustrates the region's transition into its peak wet season, where intermittent showers provide a lush contrast to the typically arid landscapes. As the rains cascade down, the vibrant colors of the surroundings become more pronounced, enhancing the natural beauty of this Caribbean coastal gem.
In September, Riohacha experiences a notable drop in humidity compared to the peak months of July and August, settling at 84%. This slight decline signals a transition from the sweltering summer conditions, yet the humidity remains high, typical of the coastal city's climate. The trend throughout the year shows a gradual increase in humidity starting from the milder early months, with June marking a significant rise as it peaks mid-summer. Following September, the humidity tends to decrease further into October and November, suggesting a change as the region edges towards the drier months. Overall, while September's humidity provides some relief from the summer's oppressive levels, it still underscores Riohacha's tropical character.
In September, Riohacha, Colombia, continues to bask under the intense tropical sun, with a UV Index holding steady at 13, classified as extreme. This consistent rating mirrors the months of June, July, and August, reflecting a pattern of sustained high ultraviolet radiation that necessitates precautionary measures for both locals and visitors. With just 10 minutes of unprotected sun exposure being enough to risk skin damage, it's crucial to stay protected. As summer blends into fall, the UV Index remains a vital aspect of planning outdoor activities. For more detailed insights, check out Riohacha UV Index.
UV Risk Categories
September in Riohacha, Colombia, continues the trend of abundant sunshine that characterizes this vibrant coastal city. With 320 hours of sunlight, it reflects the peak of the dry season, maintaining a consistent glow that lingers from the sunny months of July and August. Although slightly less radiant than the highest summer days, September still showcases a richness in daylight, perfectly complementing the stunning beaches and lively local culture. As the year progresses, this month holds its own, bridging the warm summer hues into the inviting charm of the upcoming fall, making it an ideal time for both relaxation and adventure.
In September, visitors to Riohacha, Colombia, can expect a 24% chance of sunny weather, which is consistent with the trend of the preceding months. Following a peak in February at 65%, the likelihood of sunshine sharply declines throughout the spring and summer, hitting its low points in April and May. As the season transitions into fall, the sun’s appearance remains modest, maintaining a similar probability to the months of June and August. With sunshine scarce during this time, travelers should prepare for a mix of clouds and occasional rain, ensuring a flexible itinerary to fully enjoy all that this coastal paradise has to offer.
In Riohacha, Colombia, the month of September enjoys 12 hours of daylight, mirroring the consistent pattern seen since March. This marked stability in daylight duration underscores the region’s tropical climate, where daylight remains abundant throughout the year. From January to February, the daylight gently slopes upwards before reaching a steady plateau from March to September. Following this peak, the days gradually shorten as October draws near. This rhythmic cycle of light not only enhances the natural beauty of Riohacha but also offers ample opportunities for outdoor exploration and leisure throughout the vibrant coastal landscape.
As September descends upon Riohacha, Colombia, the coastal winds begin to whisper a gentle retreat, with average speeds dropping to 3.5 m/s (8 mph) — the softest breezes of the year. This month marks a distinct transition from the earlier, robust currents experienced in the summer, where July and August maintained an average of 5.4 m/s and 4.0 m/s, respectively. The gradual decline in wind strength continues into October, with speeds barely shifting at 3.4 m/s (8 mph), signaling a calm before the seasonal shifts take hold. Overall, the September winds encapsulate a serene pause, inviting both locals and visitors to appreciate the tranquil beauty of Riohacha's coastal charm as the year gently progresses toward its close.
Weather in Riohacha varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Riohacha, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Riohacha is characterized by higher temperatures, with minimums around 24°C (75°F) and maximums reaching 35°C (96°F). The month experiences substantial rainfall, averaging 124 mm (4.9 in) over 22 days, and the humidity is notably high at 84%. In contrast, January brings more moderate temperatures, with averages of 27°C (81°F) and maximums of 33°C (92°F), along with significantly less precipitation of only 15 mm (0.6 in) over just 3 days. January also sees a decrease in humidity to 65%, making it a more comfortable month overall. For more details, visit Riohacha weather in January.
In comparing the weather of September and February, one can observe distinct differences in temperature and precipitation. September experiences warmer temperatures, with a minimum of 24°C (75°F) and averaging around 28°C (83°F), peaking at a sizzling 35°C (96°F). However, it is also marked by significantly higher precipitation, totaling 124 mm (4.9 in) over 22 days and humidity levels reaching 84%. In contrast, February sees slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 27°C (81°F), but only a maximum of 33°C (92°F). Notably, February is much drier, with just 10 mm (0.4 in) of rain spread over only 2 days and a lower humidity of 65%. For more details on February weather, you can check Riohacha weather in February.
In comparing the weather between September and March, we notice distinct differences in temperature and precipitation patterns. September boasts a higher average temperature, ranging from a minimum of 24°C (75°F) to a maximum of 35°C (96°F), while March features a slightly lower range with temperatures between 23°C (73°F) and 34°C (94°F). Additionally, September is significantly wetter, with 124 mm (4.9 in) of precipitation over 22 days, compared to March's mere 20 mm (0.8 in) over just 4 days. Humidity levels also reflect this disparity, with September at a humid 84% compared to March's more comfortable 64%. For a closer look at March weather specifics, you can visit Riohacha weather in March.
When comparing the weather in September and April, both months feature similar temperature ranges, with minimums around 24°C (75°F) and maximums reaching 35°C (95-96°F). However, September is significantly wetter, experiencing an average precipitation of 124 mm (4.9 in) over 22 days, while April sees much less rainfall, with only 32 mm (1.3 in) over 7 days. Additionally, the humidity in September is notably higher at 84%, compared to April's 64%, resulting in a more humid and potentially uncomfortable atmosphere during the former month. For more specific details about April's weather, you can visit Riohacha weather in April.
In September, the weather features warm temperatures with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at 35°C (96°F). However, it also brings substantial rainfall, with 124 mm (4.9 in) occurring over 22 days and a high humidity level of 84%. In contrast, May shares similar temperature ranges, starting at 24°C (75°F) and averaging 28°C (83°F), but it can peak slightly higher at 36°C (97°F). May sees a bit more precipitation at 130 mm (5.1 in) across 16 days, yet the humidity is noticeably lower at 65%. For a detailed look at the weather conditions in May, check out Riohacha weather in May.
When comparing the weather in September and June, both months feature similar temperature ranges, with minimums around 24°C (75°F) and maximums peaking at 35°C (96°F). However, September tends to be slightly more humid, averaging 84% compared to June's 77%. Precipitation also varies significantly, with September receiving an average of 124 mm (4.9 in) over 22 days, while June experiences less rain at 91 mm (3.6 in) spread over just 12 days. For more detailed information about June weather specifics, you can check Riohacha weather in June.
In comparing the weather between July and September, it’s clear that both months experience high temperatures, but with some notable differences. July features a slightly higher average temperature, reaching up to 29°C (85°F) during the day, compared to 28°C (83°F) in September. Both months have similar minimum temperature readings around 24°C (75°F), while July's maximum is marginally higher at 36°C (97°F) versus September's 35°C (96°F).
However, September sees significantly more rainfall, with total precipitation of 124 mm (4.9 in) occurring over 22 days, while July only receives 50 mm (2.0 in) across just 9 days, indicating that September is much wetter. Additionally, humidity levels are comparable, with July at 85% and September at 84%. For more detailed weather insights specific to July, you can check this link: Riohacha weather in July.
In comparing the weather of September to August, we see that both months maintain a minimum temperature of 24°C (75°F), but September experiences a slightly cooler average temperature of 28°C (83°F) compared to August's 29°C (84°F). Although September has a maximum temperature of 35°C (96°F), it falls just short of August's peak of 36°C (97°F). Precipitation levels also differ, with September receiving 124 mm (4.9 in) of rain over 22 days, which is higher than August's 101 mm (4.0 in) across 17 days. Both months have high humidity, but September's humidity of 84% is marginally lower than August's 85%. For more detailed information, you can reference Riohacha weather in August.
In September, the weather in Riohacha is characterized by warm temperatures, with a minimum of 24°C (75°F), an average of 28°C (83°F), and a maximum of 35°C (96°F). The region experiences significant precipitation, totaling 124 mm (4.9 in) over 22 rainy days, accompanied by high humidity at 84%.
By October, the temperatures remain consistent, with a minimum of 24°C (75°F), an average of 27°C (82°F), and a maximum of 34°C (93°F). However, October sees an increase in precipitation to 209 mm (8.2 in) across 27 rainy days, while humidity slightly decreases to 82%. For more details, you can check Riohacha weather in October.
In September, the weather in Riohacha tends to be warmer, with average temperatures reaching up to 28°C (83°F) and maximums hitting 35°C (96°F). The month experiences significant rainfall, totaling 124 mm (4.9 in) over 22 days, contributing to a high humidity level of 84%. In contrast, November sees slightly cooler temperatures, with an average of 27°C (82°F) and maximums around 34°C (94°F). Precipitation remains similar, with 126 mm (5.0 in) over 19 days, but humidity decreases to 79%. For more details, you can check Riohacha weather in November.
In September, the weather in Riohacha is characterized by warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching up to 35°C (96°F), resulting in an average temperature of 28°C (83°F). This month also sees significant rainfall, with 124 mm (4.9 in) of precipitation over 22 days and high humidity levels of 84%. In contrast, December features slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (93°F), maintaining the same average of 28°C (82°F). December experiences a dramatic reduction in precipitation, only 24 mm (0.9 in) over just 6 days, and humidity drops to a more comfortable 69%. For more detailed insights, check the Riohacha weather in December.
As September unfolds in Riohacha, the weather presents a unique blend of warmth and humidity that sets it apart from other months. The temperatures consistently hover around a comfortable average, making it an ideal time for those who appreciate tropical climates. However, this month is also marked by frequent rainfall, with nearly three-quarters of the month experiencing precipitation, contributing to a noticeably higher humidity level. This combination of heat and moisture, along with shorter dry spells, creates a lush and vibrant environment, perfect for experiencing the natural beauty of the region. For those looking to understand the broader patterns of Riohacha’s climate, additional insights can be found in the detailed overview here: Riohacha Climate.