Last updated: April 22, 2025
September in San Carlos, Mexico offers a blend of warm temperatures and moderate humidity, creating a unique coastal atmosphere. With a maximum temperature reaching 42°C (107°F) and an average of 30°C (87°F), visitors can expect hot days perfect for beach activities. Nighttime cools down to a comfortable minimum of 20°C (68°F), allowing for pleasant evenings. However, this month also witnesses 53 mm (2.1 in) of rain spread over approximately 6 days, adding a refreshing touch to the mix. With humidity levels hovering around 76%, it's an ideal time for those who relish tropical conditions while exploring the stunning beauty of San Carlos.
September in San Carlos, Mexico, marks a notable transition as summer's heat lingers, with temperatures reaching a maximum of 42°C (107°F), which is among the highest of the year. The month features an average temperature of 30°C (87°F), providing warm days that encourage beachgoers and sunset seekers alike. Mornings start pleasantly at a minimum of 20°C (68°F), offering a brief respite before the heat builds. As the final days of summer fade, visitors are drawn to the vibrant coastal scenery, enjoying both the sultry warmth and the spacious beaches, an ideal combination for those seeking a blend of relaxation and adventure.
September marks a significant shift in the precipitation patterns of San Carlos, Mexico, with an impressive 53 mm (2.1 in) of rainfall over six days. This surge contrasts sharply with the preceding months, where July and August contributed only 7 mm (0.3 in) and 19 mm (0.7 in), respectively. The increase in rain during September indicates the onset of the wet season, providing much-needed moisture after a dry summer. As the month progresses, residents can expect a refreshing break from prolonged dry spells, making it a key period for local flora and fauna to thrive.
In September, San Carlos, Mexico, experiences a noticeable uptick in humidity, reaching 76%—the highest level of the year. This increase follows a warm, wet summer, where August's humidity also spiked to 73%, indicating a trend of elevated moisture during the late summer months. As the year progresses, humidity typically decreases, dropping from a tropical high of 71% in January to a more moderate 51% in both May and June. However, September marks a return to this steamy pattern, hinting at the lingering warmth and the approach of the fall season. As the humidity settles at a higher point, it sets the stage for the transition into drier conditions as autumn unfolds.
In September, San Carlos, Mexico continues to bask in the sun with an UV Index of 11, categorized as extreme, necessitating caution during outdoor activities. This trend of high UV exposure begins in February and remains consistent through September, peaking at 12 from May to July, which reflects the region's tropical climate. With a burn time of just 10 minutes, this month underscores the importance of proactive sun protection practices, reminding residents and visitors alike of the potent sun's intensity. To stay informed and enjoy the outdoors safely, check the latest updates on the San Carlos UV Index.
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September in San Carlos, Mexico, shines with an impressive 310 hours of sunlight, marking a slight dip from the summer peak but still showcasing the region's abundant brightness. Following a delightful summer, where May led the charge with 366 hours, the sun gradually eases into autumn, bringing a gentle warmth that invites relaxation. As the days begin to shorten, September's generous sunlight continues to create ideal conditions for outdoor adventures, making it a beautiful transition into the cooler months. The overall trend of diminishing daylight from summer's peak to autumn indicates the approach of winter, yet San Carlos remains a sun-drenched paradise even as the year winds down, reflecting the charm of coastal living.
September in San Carlos, Mexico, boasts a 69% chance of sunny weather, making it a delightful time for outdoor adventures. As summer winds down, the likelihood of sunshine rises slightly from the mid-summer slump, where July and August dip to 44% and 57%, respectively. This trend reflects a gradual return to clearer skies as the rainy season retreats, with sunny days becoming increasingly prominent leading into the 90% chance of sunshine that October offers. For those seeking warmth and vibrant sunshine, September provides a sweet transition, combining pleasant weather and fewer crowds.
In San Carlos, Mexico, the daylight duration showcases an intriguing seasonal rhythm throughout the year. Starting at 10 hours in January, daylight gradually increases to a peak of 13 hours from May to August, providing ample time for outdoor activities and exploration. As summer transitions into fall, September witnesses a slight decrease, returning to 12 hours of daylight. This moderate decline continues into October, bringing shorter days as the year progresses again towards winter with 11 hours in October and ultimately settling back to 10 hours in November and December. Overall, the pattern highlights a vibrant summer abundance of sunlight, before gently easing into the shorter days of winter.
As September arrives in San Carlos, Mexico, the wind takes on a more gentle demeanor, with an average speed of 3.0 m/s (7 mph)—the lowest for the year. This subtle shift marks the transition from the breezier summer months, where wind speeds peak at 4.1 m/s (9 mph) in March and June, down to a more serene atmosphere that invites relaxation. Following August's consistent 3.6 m/s (8 mph), September's calming winds offer a perfect backdrop for enjoying the stunning coastal scenery. As the months progress towards the cooler days of fall, the trend indicates a gradual decline in wind speed, with November anticipating 2.5 m/s (6 mph). Embrace the soothing September breezes, as they usher in a peaceful transition into autumn.
The weather in San Carlos changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in San Carlos and find detailed weather information for every month.
September and January showcase a stark contrast in weather patterns. September boasts high temperatures, with averages around 30°C (87°F) and peaks reaching up to 42°C (107°F), alongside a notable humidity level of 76%. In contrast, January offers a much cooler climate, with average temperatures dropping to 17°C (64°F) and a maximum of 28°C (83°F). Precipitation also varies significantly, as September experiences 53 mm (2.1 in) of rain over about six days, while January sees only 12 mm (0.5 in) over just one day, accompanied by a slightly lower humidity of 71%. For a more detailed look at January’s weather, you can visit San Carlos weather in January.
September in San Carlos is characterized by warm to hot temperatures, with daily averages around 30°C (87°F) and maximums soaring up to 42°C (107°F). The weather is quite humid, with a humidity level of 76%, and it experiences some rainfall, averaging 53 mm over approximately 6 days. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 7°C (45°F) to an average of 18°C (65°F), peaking at 30°C (85°F). Precipitation is minimal in February, totaling just 8 mm over 1 day, and the humidity is lower at 66%. For more detailed information, you can check San Carlos weather in February.
In September, the weather is notably warmer and more humid, with temperatures ranging from a minimum of 20°C (68°F) to a scorching maximum of 42°C (107°F) and an average temperature of around 30°C (87°F). The month experiences approximately 53 mm (2.1 in) of precipitation over about 6 days, contributing to a high humidity level of 76%. In contrast, March offers a much cooler climate, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 31°C (89°F), and an average of 20°C (68°F). Precipitation is minimal in March, with only 12 mm (0.5 in) falling over just 1 day, and humidity levels are considerably lower at 58%. For more detailed insights into March weather, you can visit San Carlos weather in March.
In comparing the weather of September and April, notable differences emerge in both temperature and humidity levels. September boasts significantly higher temperatures, with a minimum of 20°C (68°F) and an average of 30°C (87°F), peaking at a scorching 42°C (107°F). In contrast, April’s temperatures are much milder, ranging from a minimum of 13°C (56°F) to an average of 23°C (74°F), with a maximum of 35°C (96°F). Furthermore, September experiences higher humidity at 76% and receives about 53 mm (2.1 inches) of precipitation over six days, while April remains dry with no recorded rainfall and lower humidity at 52%. For more details, you can check San Carlos weather in April.
When comparing the weather in September and May, there are notable differences in temperature, precipitation, and humidity. September tends to be hotter with average temperatures reaching 30°C (87°F) and maximums soaring up to 42°C (107°F). It also experiences higher humidity at 76% and receives an average of 53 mm (2.1 in) of rainfall over six days. In contrast, May has a more moderate climate, with average temperatures of 26°C (79°F) and maximums of 38°C (100°F). Notably, May is dry, with no recorded precipitation and lower humidity at 51%. For more detailed insights on May weather, you can visit San Carlos weather in May.
In comparing September and June weather, September tends to be hotter, with average temperatures reaching 30°C (87°F) and maximum temperatures soaring up to 42°C (107°F). The month sees more precipitation, averaging 53 mm (2.1 in) over about 6 days, along with higher humidity levels at 76%. In contrast, June features slightly lower minimum temperatures at 21°C (69°F) and maximum temperatures capped at 38°C (101°F), accompanied by a significantly drier climate with only 5 mm (0.2 in) of precipitation and no rainy days, resulting in a humidity level of 51%. For more details, you can check San Carlos weather in June.
In comparing the weather between September and July, September presents a slightly broader temperature range with a minimum of 20°C (68°F) and a maximum reaching up to 42°C (107°F), while July's temperatures range from a minimum of 26°C (79°F) to a maximum of 39°C (103°F). The average temperature in July is also a bit higher at 32°C (90°F), compared to September's average of 30°C (87°F). Additionally, September experiences more precipitation, totaling 53 mm (2.1 in) over six days, while July is much drier, with only 7 mm (0.3 in) across just two days. Humidity levels are notably higher in September at 76%, compared to July's 60%. For more detailed information, you can check San Carlos weather in July.
In September, the weather features a wider temperature range compared to August, with minimum temperatures starting at 20°C (68°F) and reaching a maximum of 42°C (107°F), resulting in an average temperature of 30°C (87°F). This month's precipitation also increases significantly to 53 mm (2.1 in) over 6 days, contributing to a higher humidity level of 76%. In contrast, August sees warmer minimum and average temperatures, with a minimum of 26°C (79°F) and an average of 32°C (90°F), but it has less rainfall, totaling just 19 mm (0.7 in) across 4 days, while maintaining a lower humidity level of 73%. For a closer look at August weather patterns, visit San Carlos weather in August.
September weather is characterized by higher temperatures, with a minimum of 20°C (68°F) and an average of 30°C (87°F), peaking at 42°C (107°F). The month also sees more rainfall, accumulating 53 mm (2.1 in) over six days, along with a humidity level of 76%. In contrast, October brings relief with cooler temperatures, featuring a minimum of 15°C (59°F) and an average of 27°C (82°F), while the maximum reaches 38°C (101°F). Rainfall decreases significantly to just 17 mm (0.7 in) over one day, and humidity slightly drops to 72%. For more detailed weather insights, you can check San Carlos weather in October.
In September, temperatures soar with a minimum of 20°C (68°F), averaging 30°C (87°F), and peaking at a scorching 42°C (107°F). The month also sees considerable humidity at 76% and experiences around 53 mm (2.1 inches) of precipitation over 6 days. In stark contrast, November brings cooler temperatures with a minimum of 12°C (54°F), an average of 23°C (73°F), and a maximum of 35°C (96°F). The month is much drier, with only 10 mm (0.4 inches) of rain over a single day and slightly lower humidity at 72%. For more details on November weather, visit San Carlos weather in November.
In September, the weather is significantly warmer, with temperatures ranging from a balmy 20°C (68°F) at night to a scorching 42°C (107°F) during the day, accompanied by high humidity levels of 76%. The month also sees around 53 mm (2.1 in) of precipitation over about 6 days, making it a relatively wet time of year. In contrast, December experiences much cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 29°C (85°F), resulting in a much more comfortable average of 18°C (66°F). Rainfall is minimal, totaling just 8 mm (0.3 in) over one day, and humidity drops slightly to 72%. For more details on December weather conditions, you can check out San Carlos weather in December.
As September rolls in, San Carlos experiences a remarkable shift in its weather, characterized by soaring temperatures that peak at 42°C (107°F) in stark contrast to the milder months preceding it. The average temperature hovers around a steamy 30°C (87°F), making this month one of the hottest of the year. Alongside the heat, humidity levels reach 76%, contributing to a tropical feel that distinguishes September from the typically drier summer months. Although rainfall is limited, with just 53 mm (2.1 in) occurring over 6 days, the occasional showers provide brief relief from the heat. For a more comprehensive look at how San Carlos weather varies throughout the year, explore the details at San Carlos Climate.