Last updated: April 22, 2025
September in Santa Catarina, Mexico brings a diverse weather experience, characterized by warm temperatures and a significant chance of rain. The month sees maximum highs reaching up to 37°C (99°F), while the average temperature settles around a comfortable 23°C (75°F), with nighttime dips to 15°C (59°F). Rainfall is prominent, accumulating to 157 mm (6.2 in) over approximately 21 days, contributing to a high humidity level of 84%. This blend of warmth and moisture creates a vibrant atmosphere, making it a unique time to explore the region’s natural beauty.
In September, Santa Catarina enjoys a pleasant transition towards milder autumn weather. The temperatures range from a minimum of 15°C (59°F) at night to a comfortable average of 23°C (75°F) during the day, peaking at 37°C (99°F). This month marks a slight decrease in daytime highs compared to the scorching summer, indicating a gradual shift in the climate. The balmy evenings and moderate daytime temperatures make September an inviting time for outdoor activities and exploration, as the region starts to shed the intensity of the summer heat while still basking in warmth. As the month progresses, this notable shift suggests that locals and visitors alike can savor the beauty of Santa Catarina in an ideal climate before the cooler months approach.
September stands out as one of the wettest months in Santa Catarina, Mexico, receiving a substantial 157 mm (6.2 in) of precipitation over 21 days. This marked increase in rainfall follows the wetter months of June and July, highlighting a trend of summer storms that culminate in September, as the region transitions into autumn. Notably, this surge in precipitation is a significant jump from August's 96 mm (3.8 in), indicating that the peak of the rainy season occurs in this month. As nature rejuvenates with lush greenery, September not only reflects the region's climatic patterns but also enhances the vibrant landscape, making it a captivating time for both residents and visitors alike.
In September, Santa Catarina experiences a rise in humidity to 84%, marking a subtle increase from the drier summer months of July and August, which recorded 72% and 74%, respectively. This transition into autumn signals a shift in the climate, as humidity levels begin to climb again towards the higher numbers seen in the earlier months of the year, like January and February, where humidity peaks at 88% and 86%. As the country moves beyond September, residents can expect a more humid atmosphere as the months progress towards October's notable 92% humidity, reestablishing the pattern of elevated moisture typical of the region’s climate.
As September rolls in, Santa Catarina, Mexico, continues to showcase its sun-drenched skies with a UV Index of 13, categorizing the exposure as extreme and marking a burn time of just 10 minutes. This trend of high UV ratings has persisted since March, underlining the region's potential for sunburn and necessitating protective measures. While the index begins to dip slightly in October, the consistent high readings throughout the summer months serve as a reminder for residents and visitors alike to stay vigilant against harmful UV exposure. For more detailed information on UV levels, visit Santa Catarina UV Index.
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In September, Santa Catarina continues to bask in the warmth of sunshine, with an impressive 284 hours of light illuminating the beautiful landscapes. Following the vibrant summer months, which consistently boasted over 300 hours of sunshine, September marks a gentle transition into autumn. The slight decrease in sunlight from August's peak of 323 hours reflects the changing seasons but still offers plenty of opportunities for outdoor adventures and soaking up the last rays of summer. As the days get shorter and the temperatures begin to dip, visitors can enjoy the lingering warmth of late summer while witnessing the rich tapestry of nature as it shifts towards fall.
In Santa Catarina, Mexico, September sees a notable decline in the likelihood of sunny weather, with only a 21% chance of clear skies. This drop follows a relatively gloomy summer, where June and July recorded the lowest percentages of sunshine at 19% and 24%, respectively. As the region transitions into fall, the opportunities for sunny days begin to rise again in October, hitting a more favorable 43% chance. Overall, September stands out as one of the less sunny months, making it a time when travelers might want to prepare for the possibility of cloudier days and occasional rain.
As September arrives in Santa Catarina, Mexico, daylight begins to wane, offering residents a harmonious blend of sun and shadow with 12 hours of daylight. Following the peak summer months of June and July, which basked in a generous 13 hours of sun, the days gradually shorten as autumn approaches. This transition reflects a gentle rhythm of nature, as daylight lingers throughout the early fall but begins to retreat alongside the vibrant hues of summer. Despite this decrease, September maintains a sense of brightness, inviting both locals and visitors to relish the warm climate while adjusting to the impending shift towards shorter days in October.
As September rolls into Santa Catarina, Mexico, the average wind speed drops slightly to 1.7 m/s (4 mph), marking a gentle transition into the more tranquil months of the year. This modest dip continues the trend seen in the later summer months, where winds have remained relatively calm, fluctuating between 1.8 to 2.4 m/s from January through August. Interestingly, September’s breeziness is reminiscent of the lighter winds of early winter, like those in October and November, which also average around 1.6 to 1.7 m/s. This rhythmic ebb and flow of wind speeds creates a serene atmosphere, perfect for enjoying the stunning landscapes and vibrant culture Santa Catarina has to offer.
The weather in Santa Catarina 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 Santa Catarina and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 37°C (99°F), with an average of 23°C (75°F). This month experiences considerable precipitation, totaling 157 mm (6.2 in) over 21 days, accompanied by high humidity levels at 84%. In contrast, January brings cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 34°C (94°F), averaging around 15°C (60°F). Precipitation decreases significantly to just 26 mm (1.0 in) over only 6 days, although humidity remains relatively high at 88%. For a more in-depth look at January weather, visit Santa Catarina weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 37°C (99°F), with an average of 23°C (75°F). The month is quite wet, receiving 157 mm (6.2 in) of precipitation over 21 days, and humidity remains high at 84%. In contrast, February features a cooler temperature profile, with a minimum of 3°C (37°F), an average of 18°C (64°F), and a maximum of 36°C (97°F). Precipitation significantly decreases to 26 mm (1.0 in) over just 7 days, while humidity is slightly higher at 86%. For a more detailed look at February weather, you can refer to Santa Catarina weather in February.
September and March present distinct weather profiles, highlighting the transition from summer to autumn and the approach of spring. In September, temperatures range from a mild 15°C (59°F) at night to a scorching 37°C (99°F) during the day, with an average of 23°C (75°F). This month also experiences considerable rainfall, with 157 mm (6.2 in) spread over 21 days and high humidity at 84%. Conversely, March offers a cooler climate, with minimum temperatures dropping to 4°C (39°F) but reaching a maximum of 39°C (102°F) during the hottest days, averaging around 20°C (68°F). Rainfall is significantly lower, totaling 41 mm (1.6 in) over just 9 days, and humidity remains relatively high at 83%. For more details about the weather in this spring month, you can visit Santa Catarina weather in March.
In comparing the weather conditions of September and April, we observe that both months feature an average temperature of around 23°C (75°F), although the temperature extremes vary significantly. September sees a minimum temperature of 15°C (59°F) and can reach up to 37°C (99°F), while April starts with a cooler minimum of 10°C (51°F) and can soar to a maximum of 40°C (104°F).
Precipitation levels also differ markedly, with September experiencing a substantial 157 mm (6.2 in) over 21 days, contributing to a higher humidity of 84%. In contrast, April is much drier, providing only 40 mm (1.6 in) of rain over just 8 days, resulting in a slightly lower humidity of 80%. For a more detailed look at April weather, you can refer to Santa Catarina weather in April.
September and May exhibit distinct weather patterns, with September being slightly cooler yet more humid. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 37°C (99°F), while May features a narrower range, with temperatures peaking at 40°C (103°F) and a minimum of 12°C (54°F). Rainfall is more frequent in September, with 157 mm (6.2 in) over 21 days, compared to May's 84 mm (3.3 in) across 17 days. Humidity levels are high in both months, with September at 84% and May at 82%. For more information on May weather, visit Santa Catarina weather in May.
September and June both feature warm temperatures, with September boasting an average of 23°C (75°F) compared to June's slightly higher average of 25°C (77°F). While June sees a maximum temperature peak of 38°C (100°F), September can reach up to 37°C (99°F), making both months quite hot. However, September is slightly wetter, receiving 157 mm (6.2 in) of precipitation over 21 days, compared to June's 139 mm (5.5 in) during the same number of days. Humidity levels are higher in September at 84%, compared to June's 79%, resulting in a slightly more muggy atmosphere during the former month. For more detailed information, check out Santa Catarina weather in June.
When comparing the weather between September and July, we note some key differences. September features a slightly lower minimum temperature of 15°C (59°F) compared to July’s minimum of 17°C (63°F), but both months enjoy similar average temperatures, with September at 23°C (75°F) and July at 24°C (76°F). Interestingly, September can experience higher maximum temperatures, reaching up to 37°C (99°F) in contrast to July's 36°C (97°F). However, September is considerably wetter, receiving 157 mm (6.2 in) of precipitation over 21 days, while July sees only 118 mm (4.6 in) across 20 days. Additionally, humidity levels are higher in September at 84%, compared to July’s 72%. For more detailed insights, you can check Santa Catarina weather in July.
In comparing the weather of September and August, September tends to be slightly cooler with an average temperature of 23°C (75°F), while August is warmer at an average of 25°C (77°F). August also has a higher minimum temperature of 17°C (62°F) compared to September's 15°C (59°F). However, September experiences more rainfall with 157 mm (6.2 in) over 21 days, compared to August's 96 mm (3.8 in) over 18 days. Additionally, September has higher humidity at 84%, compared to August's 74%. For a detailed look at the weather in August, you can visit Santa Catarina weather in August.
September and October display notable differences in weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 37°C (99°F), with an average of 23°C (75°F). The month is characterized by high humidity at 84%, with significant precipitation totaling 157 mm (6.2 in) across 21 days. In contrast, October sees a drop in minimum temperatures to 9°C (49°F) and a slight decrease in the average temperature to 21°C (71°F), while the maximum reaches up to 33°C (92°F). Precipitation in October increases slightly to 166 mm (6.5 in) over 16 days, accompanied by an uptick in humidity to 92%. For a detailed overview of October weather conditions, you can check Santa Catarina weather in October.
September and November present stark contrasts in weather. September boasts a warm average temperature of 23°C (75°F), with highs reaching up to 37°C (99°F) and significant humidity at 84%. The month is also characterized by considerable rainfall, totaling 157 mm (6.2 in) over 21 days, creating a humid atmosphere. In contrast, November sees cooler temperatures, with averages around 18°C (65°F), and much lower high temperatures peaking at 33°C (92°F). Precipitation drops dramatically to just 34 mm (1.3 in) over 7 days, despite slightly higher humidity at 91%. For more details, visit Santa Catarina weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 37°C (99°F), with an average of 23°C (75°F). This month also experiences significant rainfall, totaling 157 mm (6.2 in) over 21 days, contributing to a high humidity level of 84%. Conversely, December sees much cooler temperatures, with a minimum of 1°C (35°F), an average of 16°C (61°F), and a maximum of 32°C (90°F). Precipitation drops sharply to just 17 mm (0.7 in) over 4 days, despite a slightly higher humidity of 91%. For more detailed insights into the December climate, check out Santa Catarina weather in December.
As September arrives in Santa Catarina, the weather takes on a distinctive character, marked by increased humidity and frequent rainfall that sets it apart from the drier months. With average temperatures comfortably lingering around 23°C (75°F), the days can be quite warm, occasionally reaching maximums of 37°C (99°F), making it a month for embracing the warmth while also staying prepared for the occasional downpour. Unlike the preceding summer months, September sees a notable rise in precipitation, with rain gracing the region on 21 days, contributing to a lush and vibrant landscape. For a deeper dive into the ever-changing weather patterns of this area, explore Santa Catarina Climate.