Last updated: August 21, 2025
In September, Rionegro, Colombia experiences a mild and humid climate, characterized by a maximum temperature of 28°C (83°F) and an average of 23°C (73°F), cooling down to a minimum of 17°C (64°F) at night. This month sees significant rainfall, with a total precipitation of 534 mm (21.0 in) spread over 30 days, ensuring lush landscapes and vibrant flora. With a humidity level averaging at 78%, visitors should be prepared for a tropical ambiance, making it an ideal time for those who enjoy the rich natural beauty that Rionegro offers.
September in Rionegro, Colombia, showcases a delightful blend of mild temperatures and consistent warmth. With minimums around 17°C (64°F) and maxima peaking at 28°C (83°F), this month maintains an average temperature of 23°C (73°F), reflecting the region's year-round temperate climate. Notably, September features a slight dip in highs compared to the preceding months, yet it remains comfortably warm, fostering an inviting atmosphere for both locals and visitors alike. With weather patterns that suggest a smooth transition into the cooler months ahead, September is an ideal time to explore the vibrant outdoors of Rionegro.
In September, Rionegro, Colombia experiences a notable shift in its precipitation patterns, receiving 534 mm (21.0 in) of rain over 30 days. While this volume marks a decline compared to the peak of June and July, it remains substantial, reflecting the region's characteristic wet season. This moderate rainfall continues the trend established in August, where 779 mm (30.7 in) fell over the same number of days, indicating a gradual tapering off of the heavy rains typical of mid-year. As the month transitions into October, which averages 789 mm (31.1 in), Rionegro maintains its reputation for lush greenery, supported by persistent moisture in the atmosphere. The consistent number of rainy days throughout the month underscores the region's dynamic weather patterns, balancing between prolific rainfall and periodic reprieves.
In September, Rionegro, Colombia experiences a notable drop in humidity compared to the peak months of June and July, where levels soar to 88%. With a humidity of 78%, September signals a gradual transition into the drier months, providing a respite from the heavy moisture of the previous summer. This month sits at the tail end of a period characterized by high humidity, which begins to recede slightly before climbing again in October. The overall trend in Rionegro showcases a clear seasonal pattern, where humidity often spikes in the middle of the year, reflecting the region's lush, verdant environment that thrives under moisture-rich conditions. Thus, September serves as a pivotal moment, bridging the humid high summer with the relatively drier months ahead.
In September, Rionegro, Colombia continues to experience extreme UV Index levels, with a reading of 14 that necessitates caution during sun exposure. This trend is consistent with the preceding months, where the index has fluctuated between 13 and 16 from January through August, indicating a prolonged period of intense UV radiation. Notably, the burn time remains steady at just 10 minutes, emphasizing the need for protective measures. As the year progresses into October, Rionegro’s UV Index is projected to slightly decrease, yet staying vigilant against the sun’s rays is crucial. For more insights on UV levels throughout the year, visit Rionegro UV Index.
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In Rionegro, Colombia, September brings a delightful 198 hours of sunshine, adding a warm touch to the transition into fall. This month's sunshine is a notable pause in the annual trend, as it follows the peak of 294 hours in February and the summer months that generally boast stronger rays, like 211 hours in August. As we move from the lively, sun-soaked beginning of the year through the lush colors of October's 197 hours, the gradual decrease in daylight hours suggests a gentle shift towards the wet season. However, with September's abundant sunlight, the landscape remains vibrant and inviting, making it a perfect time to enjoy the outdoors before the season takes its turn.
In Rionegro, Colombia, the likelihood of sunny weather significantly fluctuates throughout the year, showcasing distinct seasonal patterns. September, with an 11% chance of sunshine, is part of the tail end of the dry season, but it remains one of the lower months for bright days. The sunniest months typically occur from January to February, showcasing probabilities as high as 42% and 34%, which sharply contrasts with the bleak conditions experienced in the heart of the rainy season from April to June, where the chances plummet to an alarming 4%. As the year transitions into the drier stretch from November to December, the likelihood begins to rise again, but September holds onto its reputation as a typically overcast month, embodying the wet climate of Rionegro.
In Rionegro, Colombia, September enjoys a delightful 12 hours of daylight, a trend that continues from the previous months of April through August. This consistency offers residents and visitors ample time to embrace the vibrant outdoors, marked by lush landscapes and a pleasant climate. As the year transitions into October, daylight gradually diminishes to 11 hours, indicating a subtle shift towards the shorter days of the latter half of the year. Overall, the daylight duration in Rionegro reflects a stable equilibrium around the 12-hour mark during the mid-year months, creating an inviting atmosphere for exploration and relaxation.
In September, Rionegro, Colombia, experiences a tranquil shift in wind dynamics, with an average wind speed of just 1.0 m/s (2 mph). This marks a continuation of the gentle breezes that have characterized the late summer months, reflecting a consistent pattern of minimal wind activity that stretches from April through October. As the year transitions into the drier season, the winds maintain their soft presence, providing a serene backdrop to the picturesque landscapes. This steady, calm atmosphere invites both locals and visitors alike to enjoy the lush surroundings while relishing in the comfort of the warm Colombian climate.
Weather in Rionegro varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Rionegro, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is warmer with average temperatures ranging from a minimum of 17°C (64°F) to a maximum of 28°C (83°F), accompanied by high humidity at 78%. This month experiences significant rainfall, totaling 534 mm (21.0 in) over 30 days. In contrast, January features slightly cooler temperatures, with a minimum of 14°C (58°F) and an average of 22°C (72°F), peaking at 29°C (85°F). Precipitation in January is considerably lower at 200 mm (7.9 in) spread over 20 days, and the humidity drops to a more comfortable 52%. For more detailed information, visit Rionegro weather in January.
September and February present contrasting weather patterns, though they share similar average temperatures. In September, temperatures range from a mild 17°C (64°F) to a warm 28°C (83°F), accompanied by high humidity levels of 78%. Additionally, this month experiences heavy precipitation, totaling 534 mm (21.0 in) over 30 days, making it one of the wettest months. In contrast, February features a slightly lower minimum temperature of 15°C (60°F) and a higher maximum of 30°C (86°F), along with significantly less rainfall—only 123 mm (4.9 in) over 20 days. The humidity in February is also lower, at 47%, contributing to a drier and more pleasant atmosphere. For more detailed information, you can check out Rionegro weather in February.
In comparing the weather of September and March, both months feature similar average temperatures, with September averaging 23°C (73°F) and March also averaging 23°C (73°F). However, September experiences significantly higher precipitation, totaling 534 mm (21.0 in) over 30 days, while March sees only 338 mm (13.3 in) across 28 days. Additionally, September's humidity is much higher at 78%, compared to March's more comfortable 45%. Overall, while temperatures remain relatively stable, September is characterized by a wetter and more humid climate, making March the drier and milder option. For more detailed weather insights, you can refer to Rionegro weather in March.
In comparing September and April weather, we see the temperatures are quite similar, with both months featuring a minimum of around 17°C (64°F), an average of 23°C (73°F), and September slightly cooler with a maximum of 28°C (83°F) compared to April's maximum of 29°C (84°F). However, April experiences lower humidity at 54%, while September is noticeably more humid at 78%. Both months also share a similar level of precipitation, with September receiving 534 mm (21.0 in) and April just slightly less at 519 mm (20.4 in), both of which are distributed over 30 days. For more detailed information on April weather, you can visit Rionegro weather in April.
September and May exhibit similar average temperatures, both hovering around 23°C (73°F). However, September tends to be slightly cooler with a minimum temperature of 17°C (64°F) compared to May's 18°C (65°F). In terms of precipitation, May is notably wetter, receiving 804 mm (31.6 in) over 31 days, while September experiences 534 mm (21.0 in) over 30 days. The humidity levels are comparable, with September at 78% and May slightly higher at 81%. For a closer look at the weather specifics in May, check out Rionegro weather in May.
In September, the weather experiences a slight decrease in precipitation compared to June, with September receiving 534 mm (21.0 in) and June receiving a significantly higher 880 mm (34.7 in). Both months share similar temperature ranges, with minimums of 17°C (64°F), average temperatures of 23°C (73°F), and maximums around 28°C (82-83°F). However, September's humidity is somewhat lower at 78%, while June's humidity is higher at 88%. For more specific details on June weather, you can visit Rionegro weather in June.
September's weather presents a slight coolness compared to July, with minimum temperatures dropping to 17°C (64°F) versus July's 18°C (65°F). Both months share an average high of 28°C (83°F), but September tends to see less precipitation, accumulating 534 mm (21.0 in) compared to July's heavier rainfall of 925 mm (36.4 in) over 31 days. Additionally, September's humidity level is lower at 78%, compared to the more humid July, which sits at 88%. For a detailed look at the conditions in July, you can refer to Rionegro weather in July.
In comparing the weather between August and September, we notice some subtle yet noteworthy differences. Both months share similar temperature ranges, with minimums around 17°C (64°F), average temperatures at 23°C (73°F), and maximums peaking at approximately 28°C (82°F in August and 83°F in September). However, September sees a significant reduction in precipitation, totaling 534 mm (21.0 in) over the course of 30 days, compared to August's 779 mm (30.7 in) across 31 days. Additionally, September's humidity is slightly lower at 78%, while August maintains a higher humidity level at 82%, contributing to a more muggy atmosphere. For more detailed insights, you can refer to the Rionegro weather in August.
In September, the weather presents slightly warmer averages with temperatures ranging from a minimum of 17°C (64°F) to a maximum of 28°C (83°F). The month experiences considerable rainfall, accumulating 534 mm (21.0 in) over 30 days, along with a humidity level of 78%. In contrast, October sees a slight decrease in average temperature, with a range of 17°C (63°F) to 28°C (82°F). However, the month brings increased precipitation, totaling 789 mm (31.1 in) over 31 days, and a higher humidity level of 83%. This shift indicates a trend towards wetter conditions as the season progresses. For more detailed insights, check out Rionegro weather in October.
In comparing September and November, both months maintain similar minimum temperatures, with September slightly warmer on average. September sees an average temperature of 23°C (73°F) and a maximum of 28°C (83°F), whereas November’s average dips to 22°C (72°F) with a maximum of 27°C (81°F). Precipitation levels increase in November, with 569 mm (22.4 in) compared to September's 534 mm (21.0 in), and humidity rises slightly from 78% in September to 83% in November. For more details on November weather in Rionegro, you can visit Rionegro weather in November.
In September, the weather features a warmer average temperature of 23°C (73°F) with highs reaching up to 28°C (83°F), while December shows a slightly lower average temperature of 22°C (72°F) but maintains a similar maximum. Precipitation is notably higher in September at 534 mm (21.0 in) over 30 days, compared to December's 412 mm (16.2 in) over 29 days, indicating a dryer month. Additionally, humidity levels in September are elevated at 78%, while December experiences a more comfortable 70%. For more details on December weather, you can visit Rionegro weather in December.
As September settles over Rionegro, the weather transforms into a distinct blend of warmth and moisture. With a max temperature hovering around 28°C (83°F) and an average of 23°C (73°F), it provides a pleasant warmth that lingers throughout the day, contrasting with the cooler evenings. However, this month is marked by significant precipitation, with nearly every day experiencing rain, contributing to a lush and vibrant landscape. The high humidity of 78% envelops the area, creating a tropical feel that sets September apart from the drier months. This combination of warmth, consistent rain, and humidity makes it an ideal time for nature enthusiasts to explore the lush scenery. For more about the weather and its impact, visit Rionegro Climate.