Last updated: April 22, 2025
In September, San Carlos, Mexico, showcases a tropical climate with a maximum temperature soaring to 37°C (99°F) and a pleasant average of 28°C (82°F). The minimum temperature dips to 22°C (72°F), providing warm evenings. This month experiences significant precipitation, with a total of 272 mm (10.7 in) spread over 25 days, contributing to the region's lush landscapes. With humidity levels at a high 87%, visitors can expect a muggy but vibrant atmosphere, making it a unique time to experience the beauty of San Carlos.
In September, San Carlos, Mexico, experiences warm and inviting temperatures, with minimums around 22°C (72°F) and averages peaking at 28°C (82°F). As summer draws to a close, the highs can reach up to 37°C (99°F), providing plenty of sunshine for beachgoers and outdoor enthusiasts. This month typically marks a transition into slightly cooler weather, but the warmth lingers from the summer months, making it an ideal time for visitors to enjoy the stunning coastal scenery. Overall, September offers a delightful blend of comfort and warmth, ensuring memorable experiences for those exploring this beautiful destination.
September in San Carlos, Mexico, marks the culmination of the wet season, with precipitation peaking at 272 mm (10.7 in) over approximately 25 days of rainfall. This trend reflects a steady increase in rainfall from the earlier summer months, with August not far behind at 266 mm. The pattern indicates a gradual buildup of moisture, as the region experiences a significant transition from the drier spring months, which see much lower totals like March and April with just 22 mm and 21 mm, respectively. As the arrival of autumn approaches, residents and visitors alike can expect the vibrant lushness that follows these heavy rains, showcasing San Carlos' captivating natural beauty.
As summer transitions into fall, September in San Carlos, Mexico, experiences a notable spike in humidity, holding steady at 87%—a mark echoing the dampness of August. This pattern of elevated humidity reflects a tropical climate, where the moisture peaks just before the onset of the dry season. The trend shows a gradual increase from the more temperate 70% range seen in March and April to these late summer highs. Interestingly, this increase is followed by an equally moist October and November, hinting at a sustained humidity presence that continues through the year's end. Overall, September stands out as a humid climax, setting the stage for the meteorological shifts that await as the seasons change.
As September arrives in San Carlos, Mexico, the UV Index remains at a striking 13, indicating an extreme level of sun exposure that persists throughout the month. This trend continues from the peak summer months, where similarly high readings defined the outdoor experience. With a consistent burn time of only 10 minutes, it's crucial for locals and visitors alike to prioritize sun safety during this time. The month is not just a precursor to the slight decrease in UV levels expected in October but is also a reminder of the intense sunlight that characterizes the region. For more detailed information, check out the San Carlos UV Index.
UV Risk Categories
September in San Carlos, Mexico, offers a delightful balance of sunshine, boasting 262 hours of bright, sun-drenched days. While this is a slight dip from the vibrant peak of 320 hours seen in May, it still encapsulates the lingering warmth of summer before the cooler months approach. As the sun begins its gradual retreat from the heights achieved in late spring and summer, September remains a charming month for outdoor activities, reflecting a smooth transition to autumn. With consistent daylight hours throughout the year, San Carlos shines as a haven for sun seekers, perfectly blending warmth and moderate temperatures as the season shifts.
In San Carlos, Mexico, the likelihood of sunny weather sees notable fluctuations throughout the year, with September presenting one of the lowest chances for sun at just 16%. As summer rolls into fall, the sunshine diminishes significantly compared to earlier months; for instance, March boasts a robust 66% likelihood, while June plummets to a mere 15%. This trend suggests that if you're planning a trip in September, you might want to brace for cloudier days, especially when compared to the sunnier, more favorable conditions of February and March. So, while September may not be the ideal month for sun-seekers, the mild temperatures and stunning landscapes can offer their own charm.
As September arrives in San Carlos, Mexico, the daylight duration maintains a delightful balance, offering 12 hours of sunlight. This month is part of a seasonal trend where daylight peaks during the summer, reflecting a gradual increase from 11 hours in January to a peak of 13 hours in June and July. Following this summer peak, September signals a subtle transition, with daylight remaining steady before the day length begins to shorten again in October. This rhythmic pattern creates a warm and inviting ambiance, perfect for enjoying the beautiful landscapes and outdoor activities that San Carlos has to offer.
In San Carlos, Mexico, September marks a gentle transition in the weather, characterized by a subtle decline in wind speed. With a steady average of 2.0 m/s (5 mph), the breezes during this month are softer compared to the slightly brisker 3.8 m/s (8 mph) in April. This cooling period follows the summer months of July and August, where the winds linger around 2.1 m/s (5 mph), creating a calm yet inviting atmosphere. As autumn approaches, the overall trend reveals that while wind speeds dip slightly in September, they remain predominantly mild throughout the year, fostering a tranquil ambiance ideal for leisurely outdoor activities. The gentle winds serve as a reminder of the soothing nature of this coastal paradise, making every moment spent here feel like a serene escape.
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.
In September, the weather is notably hotter and more humid, with average temperatures reaching 28°C (82°F) and maximums climbing up to 37°C (99°F). The month is also quite wet, recording 272 mm (10.7 in) of precipitation over 25 days, resulting in a humid environment with 87% humidity. In contrast, January brings cooler temperatures, with a minimum of 13°C (56°F) and an average of 23°C (73°F), peaking at 34°C (93°F). Precipitation in January is significantly lower at 54 mm (2.1 in) over just 10 days, and humidity drops slightly to 83%. For more details on January conditions, you can visit San Carlos weather in January.
September and February exhibit distinctly different weather patterns. September boasts a warm climate with temperatures ranging from a minimum of 22°C (72°F) to a scorching maximum of 37°C (99°F), accompanied by high humidity levels of 87%. This month also sees considerable rainfall, with a total of 272 mm (10.7 in) over 25 days. In contrast, February experiences milder temperatures, with a minimum of 13°C (56°F) and a maximum of 35°C (95°F), and significantly less rainfall at just 40 mm (1.6 in) over 7 days. The humidity is lower in February at 76%, making it a more comfortable month overall. For more detailed information on weather conditions, check out San Carlos weather in February.
When comparing the weather in September and March, several notable differences emerge. September tends to be much warmer with an average temperature of 28°C (82°F), peaking at 37°C (99°F), while March has a cooler average of 26°C (79°F) and reaches a maximum of 38°C (100°F). September also experiences significantly more precipitation, with 272 mm (10.7 in) spread over 25 days, compared to March's modest 22 mm (0.9 in) over just 6 days. Additionally, September boasts high humidity levels at 87%, while March's humidity is more comfortable at 66%. For a more detailed look at the weather during March, you can visit San Carlos weather in March.
When comparing the weather in September and April, notable differences emerge. September tends to have a higher humidity level at 87%, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 37°C (99°F). Additionally, it experiences significant precipitation, receiving 272 mm (10.7 in) over 25 days. In contrast, April boasts slightly cooler temperatures, with a minimum of 18°C (65°F) and a maximum of 39°C (103°F), but features much less rainfall, totaling only 21 mm (0.8 in) across just 5 days. The lower humidity in April at 59% also contributes to a more comfortable atmosphere. For more detailed insights, check out San Carlos weather in April.
September and May exhibit notable differences in weather conditions. In September, the temperatures range from a minimum of 22°C (72°F) to a maximum of 37°C (99°F), with an average temperature of 28°C (82°F). This month is also characterized by high humidity at 87% and significant rainfall, totaling 272 mm (10.7 in) over approximately 25 days. In contrast, May tends to be hotter, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 39°C (103°F) and an average of 30°C (86°F). Precipitation in May is considerably lower, with only 52 mm (2.0 in) falling over about 10 days, and the humidity is markedly lower at 64%. For more detailed information on the weather in May, check out San Carlos weather in May.
When comparing the weather in September and June, we see some notable differences. September typically experiences slightly lower temperatures, with averages around 28°C (82°F) compared to June’s 29°C (84°F). The maximum temperatures are similar, peaking at 37°C (99°F) in September and 38°C (100°F) in June. However, September is significantly wetter, receiving 272 mm (10.7 in) of precipitation over 25 days, contrasted with June's 223 mm (8.8 in) over 23 days. September also has higher humidity levels, averaging 87% compared to June's 69%. For more specific information on June weather, you can visit San Carlos weather in June.
When comparing the weather in September and July, it's clear that both months are warm and humid with similar temperature ranges. September tends to be slightly hotter, with maximum temperatures reaching up to 37°C (99°F) compared to July's max of 36°C (97°F). Both months have a minimum temperature of 22°C (72°F) and an average temperature that hovers around 28°C (82°F for September and 83°F for July). However, September experiences significantly more precipitation, with 272 mm (10.7 in) over 25 days, while July has 226 mm (8.9 in) across 26 days, indicating that September is generally wetter. The humidity is also higher in September at 87%, compared to July's 82%, making September feel more muggy overall. For more detailed information on July weather, you can check San Carlos weather in July.
In September, the weather remains quite warm, with minimum temperatures around 22°C (72°F) and average highs reaching 37°C (99°F). This month experiences slightly more precipitation at 272 mm (10.7 in) over 25 days, making it a wetter period compared to August. In contrast, August sees similar minimum temperatures of 22°C (73°F) and average highs of 36°C (97°F), with just a tad less rainfall totaling 266 mm (10.5 in) over 26 days. Both months maintain a high humidity level of 87%, contributing to a tropical feel. For more insights on weather specifics, you can check San Carlos weather in August.
September and October weather exhibits notable differences, particularly in temperature and precipitation. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 37°C (99°F), with an average of 28°C (82°F). The month is also quite wet, receiving 272 mm (10.7 in) of rain over 25 days, combined with high humidity at 87%. In contrast, October is slightly cooler, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), and an average of 27°C (81°F). The precipitation decreases to 205 mm (8.1 in) over 21 days, while humidity remains high at 88%. For a detailed look at what to expect, check out San Carlos weather in October.
September and November showcase striking differences in weather patterns. In September, temperatures range from a warm minimum of 22°C (72°F) to a scorching maximum of 37°C (99°F), with an average of 28°C (82°F). It's also the wettest month, experiencing 272 mm (10.7 in) of precipitation over 25 days, accompanied by a high humidity level of 87%. In contrast, November marks a transition to cooler weather, featuring a minimum temperature of 14°C (58°F) and a maximum of 33°C (92°F), with an average temperature of 25°C (76°F). Rainfall decreases significantly to 108 mm (4.3 in) spread over 15 days, while humidity remains slightly elevated at 88%. For more detailed information on November weather specifics, visit San Carlos weather in November.
In September, the weather is significantly warmer with average temperatures soaring to 28°C (82°F) and peaks reaching up to 37°C (99°F). The month is also characterized by high humidity at 87% and substantial rainfall, totaling 272 mm (10.7 in) over 25 days. In contrast, December brings cooler conditions, with average temperatures dropping to 23°C (74°F) and you can expect a maximum of 34°C (93°F). Rainfall is much lighter in December, totaling only 52 mm (2.0 in) over 11 days, while humidity remains relatively high at 88%. For more details on the weather during this month, you can check San Carlos weather in December.
September in San Carlos showcases marked differences in weather compared to other months. The heat peaks, pushing temperatures to their highest levels, while the humidity remains elevated at 87%, creating a sticky atmosphere. The month is characterized by a significant increase in rainfall, with nearly every day experiencing some precipitation, resulting in an average of 272 mm over 25 days. This combination of warmth and moisture sets September apart, making it a month that demands preparation for those who prefer drier conditions. For more details on what to expect throughout the year, check out San Carlos Climate.