Last updated: August 27, 2025
In September, Puerto Maldonado, Peru experiences a warm and inviting climate, with maximum temperatures reaching a sizzling 37°C (99°F) and an average of 27°C (81°F), perfect for outdoor adventures. While the minimum dips to a comfortable 16°C (62°F) at night, the region sees approximately 101 mm (4.0 in) of rainfall spread over 12 days, adding a touch of humidity at 41%. This mix of heat and occasional showers creates a lush atmosphere ideal for exploring the rich biodiversity of the Amazon.
In September, Puerto Maldonado experiences a transition towards warmer conditions as the region embarks on the cusp of its hotter months. With minimum temperatures averaging around 16°C (62°F) and climbing to a comfortable 27°C (81°F) during the day, it’s an inviting time for both adventure and relaxation. The peak temperatures can soar to a sizzling 37°C (99°F), which marks a noticeable uptick compared to the cooler preceding months, particularly July and August. This pattern suggests a return to tropical warmth, perfect for exploring the lush Amazonian landscapes while still enjoying relatively mild nights. September balances warmth and comfort, making it an ideal destination for travelers seeking to bask in the vibrant natural beauty of the region.
In September, Puerto Maldonado experiences a notable transition in its precipitation patterns, with 101 mm (4.0 in) of rainfall spread across 12 days. This increase is a sign of the city's gradual shift from the drier months of July and August, which see minimal rainfall at just 41 mm and 38 mm, respectively. While September marks a rise in precipitation, it remains significantly lower than the earlier months of the year, such as January and February, where rainfall often exceeds 300 mm. This moderate precipitation prepares the region for the returning rains of October and November, which typically bring more than 180 mm of moisture, signaling the onset of an invigorating wet season.
As September arrives in Puerto Maldonado, Peru, the humidity reaches a low of 41%, marking a notable shift from the consistently high levels observed in the earlier months. Following a gradual decline from 90% in January to 43% in August, September continues this trend, showcasing a drier period that is typical for the region's transition into the latter part of the year. This decrease creates a more comfortable atmosphere, contrasting sharply with the high humidity levels that dominate from December to April. As the year progresses into October, humidity starts to edge back up slightly to 45%, but September offers a refreshing reprieve that many locals and visitors alike can appreciate.
In September, Puerto Maldonado experiences a UV Index of 13, falling into the extreme exposure category with a burn time of just 10 minutes. This indicates a slight uptick from August's index of 11, suggesting that as the region transitions into the later part of the year, sun intensity remains high. The trend throughout the year shows consistently elevated UV levels, particularly from January to April, where the index peaks at 15. Even as fall approaches, the sun's rays continue to demand caution, reinforcing the importance of sun protection for those venturing outdoors. For detailed insights, visit Puerto Maldonado UV Index.
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As September rolls in, Puerto Maldonado welcomes a rich tapestry of sunshine, boasting an impressive 291 hours of daylight. This month falls into a broader trend of brilliance that begins with the winter months; after a gradual ascent from 206 hours in January, the sunlit hours peak dramatically in July and August, offering over 310 hours of warmth and brightness. As the dry season transitions into the latter months of the year, September serves as a graceful handoff, maintaining strong daylight before the hours dip again. With this abundance of sunshine, it's the perfect time to explore the lush landscapes and vibrant ecosystems that Peru's Amazon has to offer, as nature thrives under the brilliant tropical sun.
September in Puerto Maldonado, Peru, presents a moderate chance of sunny weather, with 44% likelihood of clear skies. The month follows a pattern established from the peak sunny days seen in the heart of winter, especially notable in July and August, which enjoy impressive probabilities of 73% and 67%, respectively. As the region transitions into the spring months, this percentage drops slightly but remains relatively favorable compared to the dreary end of the year, where the chance of sunshine plummets to 10% by November. Overall, September serves as a bridge between the vibrant summer sun and the cloudier months, making it a delightful time for outdoor activities amidst the emerging greenery of the Amazon.
In Puerto Maldonado, Peru, daylight duration experiences a captivating rhythm throughout the year. January through March welcomes an abundance of sunlight, with a steady 12 hours enriching the days. As the year progresses into April, the hours begin to wane slightly, settling at 11 hours from April to August, offering a consistent yet shorter daylight experience. However, as September arrives, the daylight duration bounces back to 12 hours, marking a refreshing return to brighter days that extend into the later months of the year. This ebb and flow of daylight not only highlights the region's seasonal variations but also sets the stage for vibrant wildlife and lush landscapes that thrive in this enchanting rainforest environment.
As September arrives in Puerto Maldonado, the wind begins to pick up, reaching an average speed of 2.0 m/s (4 mph)—a refreshing turn that mirrors the gradual increase seen throughout the year. This month marks a notable shift, as the winds have steadily gained momentum from the relatively calm conditions of earlier months, particularly March, when they dipped to 1.4 m/s (3 mph). Following August's gentle breeze of 1.9 m/s (4 mph), September brings a revitalizing energy, hinting at the transition to the slightly brisker months ahead. In the broader context, this subtle yet consistent rise in wind speed showcases the dynamic climate of the region, as the natural rhythms of the environment prepare for the upcoming changes of October and beyond.
Weather in Puerto Maldonado varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Puerto Maldonado, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Puerto Maldonado tends to be warm and dry, with temperatures ranging from a minimum of 16°C (62°F) to a maximum of 37°C (99°F) and an average of 27°C (81°F). The month sees a moderate 101 mm (4.0 in) of precipitation over approximately 12 days, accompanied by relatively low humidity at 41%. In contrast, January is much wetter and more humid, with temperatures slightly higher, ranging from a minimum of 20°C (68°F) to a maximum of 35°C (95°F) and an average of 26°C (80°F). During this time, the region experiences significant rainfall, totaling 327 mm (12.9 in) over 21 days, and the humidity spikes to 90%. For more details, check out Puerto Maldonado weather in January.
In September, the weather typically features a warmer average temperature of 27°C (81°F) with maximum highs reaching up to 37°C (99°F). Humidity levels are relatively low at 41%, and the month experiences some rain, with around 101 mm (4.0 in) of precipitation spread over 12 days. In contrast, February sees cooler average temperatures at 26°C (79°F), but higher minimums of 21°C (70°F) and maximums of 34°C (94°F). This month is considerably wetter, with a substantial 332 mm (13.1 in) of rainfall over 26 days, resulting in high humidity at 87%. For more detailed information, you can check the Puerto Maldonado weather in February.
In September, temperatures are generally warm, ranging from a minimum of 16°C (62°F) to a maximum of 37°C (99°F), with an average of 27°C (81°F). The month sees relatively low precipitation, totaling 101 mm (4.0 in) over 12 days, and humidity levels are moderate at 41%. In contrast, March tends to be more humid and rainfall-heavy, with an average temperature slightly lower at 26°C (79°F) and a maximum of 35°C (95°F). It experiences significantly more precipitation, reaching 305 mm (12.0 in) over 25 days, resulting in a humidity level of 89%. For more detailed information on the weather in March, you can visit Puerto Maldonado weather in March.
When comparing the weather in September and April, notable differences emerge. September typically enjoys a warm average temperature of 27°C (81°F), with maximum temperatures peaking at 37°C (99°F), while April sees slightly cooler average temperatures at 26°C (79°F) and maximums of 34°C (93°F). However, April is characterized by much higher humidity at 88% compared to September's 41%. Additionally, April experiences significantly more rainfall, with 188 mm (7.4 in) spread over 21 days, compared to September's 101 mm (4.0 in) over 12 days. For more detailed insights, you can check Puerto Maldonado weather in April.
When comparing the weather in September and May, September generally offers warmer temperatures, with averages reaching 27°C (81°F) and maximums soaring up to 37°C (99°F). In contrast, May has a cooler average of 25°C (77°F) and a maximum of 32°C (90°F). While September sees slightly lower humidity levels at 41%, May experiences a much higher humidity of 84%, contributing to a different feel overall. Additionally, both months have considerable rainfall, with September having 101 mm (4.0 in) over 12 days and May facing even more precipitation at 112 mm (4.4 in) over 14 days. For more detailed information, you can check Puerto Maldonado weather in May.
When comparing the weather in September to that of June, there are notable differences in temperature, precipitation, and humidity. September tends to be warmer, with average temperatures ranging from a minimum of 16°C (62°F) to a maximum of 37°C (99°F), while June has cooler temperatures, averaging between 13°C (55°F) and 32°C (90°F). Additionally, September experiences higher rainfall, with 101 mm (4.0 in) over 12 days, compared to June's 52 mm (2.0 in) across 8 days. Humidity levels also differ significantly, as June is more humid at 68%, while September has a lower humidity level of 41%. For more specific details, you can check Puerto Maldonado weather in June.
In comparing the weather between September and July, September experiences significantly warmer temperatures, with minimums around 16°C (62°F) and averages reaching 27°C (81°F), compared to July's cooler minimum of 11°C (53°F) and average of 24°C (75°F). Additionally, September has a higher maximum temperature of 37°C (99°F), while July peaks at 33°C (92°F). Precipitation also differs notably; September sees about 101 mm (4.0 in) over 12 days, indicating a wetter month, whereas July has only 41 mm (1.6 in) over just 6 days of rain. Humidity levels are higher in July at 50%, compared to 41% in September, likely contributing to the overall comfort levels during each month. For a more detailed look into July's weather patterns, visit Puerto Maldonado weather in July.
In comparing the weather between September and August, September generally experiences warmer temperatures, with a minimum of 16°C (62°F) and an average of 27°C (81°F), compared to August's minimum of 12°C (53°F) and average of 25°C (77°F). Both months can reach a maximum of 37°C (99°F), but September has significantly more rainfall, totaling 101 mm (4.0 in) over 12 days, whereas August only sees 38 mm (1.5 in) over 5 days. Humidity levels are slightly lower in September at 41%, while August averages 43%. For more detailed insights, you can check out the Puerto Maldonado weather in August.
In comparing the weather of September and October, we see some notable differences. September experiences a minimum temperature of 16°C (62°F) and a maximum of 37°C (99°F), while October slightly raises the minimum to 17°C (64°F) and pushes the maximum up to 39°C (102°F). Both months have an average temperature of 27°C (81°F), but October sees a significant increase in precipitation, with 186 mm (7.3 in) over 18 days compared to September's 101 mm (4.0 in) over 12 days. Additionally, humidity rises from 41% in September to 45% in October, contributing to a more humid environment. For more detailed weather information, you can visit Puerto Maldonado weather in October.
September and November in Puerto Maldonado exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 37°C (99°F), with an average of 27°C (81°F). The month sees less rainfall, totaling 101 mm (4.0 in) over approximately 12 days, resulting in a relatively low humidity of 41%. In contrast, November presents a warmer temperature profile, with a minimum of 20°C (68°F) and a maximum of 38°C (101°F), maintaining a similar average of 27°C (80°F). However, November experiences significantly higher precipitation, accumulating 312 mm (12.3 in) over 22 days and leading to increased humidity at 72%. For more details, you can explore Puerto Maldonado weather in November.
The weather in September and December shows a distinct contrast, particularly in temperature and humidity levels. September boasts a minimum temperature of 16°C (62°F) and an average of 27°C (81°F), with highs reaching up to 37°C (99°F). This month experiences relatively low humidity at 41% and moderate rainfall, totaling 101 mm (4.0 in) over about 12 days. In contrast, December sees higher minimum temperatures of 21°C (70°F) and a similar average of 26°C (80°F), with maximum temperatures peaking at 35°C (94°F). However, it also experiences significantly increased precipitation, amounting to 384 mm (15.1 in) over 27 days, alongside much higher humidity levels at 89%. For more detailed insights on December's weather patterns, you can visit Puerto Maldonado weather in December.
As September rolls in, Puerto Maldonado experiences a shift in weather that sets it apart from other months. The temperatures remain warm, averaging around 27°C (81°F), but the maximum can soar up to 37°C (99°F), making it one of the hotter months. This warmth is accompanied by a moderate increase in precipitation, with around 101 mm falling over the month across approximately 12 days. Though humidity levels are relatively low at 41%, the combination of heat and rain starts to introduce a more tropical feel. For a deeper understanding of how September fits into the larger climate pattern of Puerto Maldonado, check out Puerto Maldonado Climate.