Last updated: April 22, 2025
In El Castillo, Mexico, September brings a warm and humid climate, characterized by a maximum temperature reaching 32°C (91°F) and an average of 24°C (75°F), while the nights cool down to about 16°C (62°F). This month is marked by significant precipitation, with a total of 258 mm (10.2 in) spread over 26 days, resulting in a lush, vibrant landscape. The humidity hangs around a notable 86%, making the atmosphere feel even warmer, so visitors should prepare for a mixture of heat and refreshing rainfall.
In September, El Castillo, Mexico, ushers in the gentle transition from summer to fall, offering a pleasant climate that many find inviting. With temperatures ranging from a refreshing 16°C (62°F) at night to a balmy 32°C (91°F) during the day, the average temperature settles comfortably at 24°C (75°F). This month stands out for its relatively stable warmth compared to the previous summer months, where highs peaked at 37°C (98°F) in April. As the rain may make occasional appearances, the slightly cooler nights provide a perfect respite from the day’s heat, making September a wonderful time to explore the lush surroundings and rich culture of this vibrant region.
September marks a peak in precipitation for El Castillo, Mexico, with a striking 258 mm (10.2 in) accumulated over 26 days of rainfall. This significant increase follows the already substantial downpours of August, which received 212 mm (8.3 in) across 27 days. The trend reveals a pattern where the late summer months consistently deliver heavy rainfall, establishing September as a critical month in the region's hydrological cycle. As the rainy season climaxes, the lush landscapes of El Castillo thrive, illustrating nature's rhythm in response to these abundant showers. Following this, precipitation begins to taper off in October, reinforcing the seasonal transition that characterizes the region.
In September, El Castillo, Mexico experiences a noticeable uptick in humidity, reaching 86%. This marks a slight increase from the previous month and mirrors the levels seen earlier in the year, specifically in February. Throughout the summer, the humidity remains relatively stable, hovering around 81% to 82% from June to August. As the seasons transition into autumn, humidity levels begin to rise again, paving the way for October's peak at 90%. Overall, this trend indicates a pattern of high humidity that elevates in both the early and late parts of the year, creating a lush and tropical ambiance typical of the region.
In September, the UV Index in El Castillo, Mexico remains notably high, sitting at 13, which falls into the extreme exposure category with a burn time of just 10 minutes. This marks a continuation of the intense UV conditions seen throughout the summer months, where indices peaked at 14 in both June and July. The trend clearly indicates that as the year progresses from January to September, the UV Index consistently reaches extreme levels, emphasizing the importance of sun protection during this time. As October approaches, there's a slight decrease to 11, but sun safety remains crucial throughout the year. For more detailed insights and tips on protecting yourself from UV rays, explore the El Castillo UV Index.
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As summer transitions into fall, September in El Castillo, Mexico, continues to bask in ample sunshine, with an impressive 286 hours of sunlight. This marks a slight decline from the vibrant months of July and August, which boasted the highest sunshine totals at 323 and 313 hours, respectively. Reflecting the overall trend, sunshine hours peak in the summer and gradually taper as the year progresses, shifting from the dazzling 316 hours in May to the more tempered 299 hours in April. Despite this decrease, September still enjoys a wealth of bright days, making it a fantastic time for outdoor adventures amidst the stunning landscapes of this charming town.
September in El Castillo, Mexico sees a notable dip in sunny weather, with a mere 22% chance of sunshine. This marks a significant decline from the sunnier months of February through May, where the likelihood hovers between 40% and 52%. As summer fades and the rainy season approaches, the frequency of cloudy skies and precipitation increases, creating a stark contrast to the more vibrant days of the earlier months. This trend suggests that visitors in September should be prepared for occasional rain, making it a less desirable time for those seeking sun-soaked adventures compared to the brighter days of winter, where conditions improve significantly with a 62% chance of sunshine in December.
In September, El Castillo enjoys a pleasing 12 hours of daylight, continuing the trend set in August, where the sun graces the skies for the same duration. As the year progresses from the longer days of June and July, which boast 13 hours, September marks a subtle shift towards shorter daylight hours, yet it still offers ample time to soak in the vibrant beauty of the surrounding landscapes. This month serves as a bridge, leading into the cooler autumn months of October and November, where daylight gradually recedes to 11 hours and eventually to 10 by December. The transition from summer to fall creates a captivating atmosphere, inviting both locals and visitors to embrace the changing season while relishing the warmth of the lingering sunlight.
As September graces El Castillo, Mexico, the gentle whispers of the wind reflect a subtle downward trend in average wind speeds. Dropping to 1.4 m/s (3 mph), the September breeze mirrors the quieter summer months that preceded it. With the winds in January and February peaking at a brisk 1.6 m/s (4 mph), the overall shift suggests a serene transition into autumn, leading to more tranquil days ahead. This calming current, while less forceful, wraps the region in a soothing embrace, making it an ideal time to savor the picturesque scenery and unwind in the enchanting landscapes.
The weather in El Castillo 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 El Castillo and find detailed weather information for every month.
In September, the weather is characterized by warm temperatures, averaging around 24°C (75°F) with daytime highs reaching up to 32°C (91°F). This month experiences significant rainfall, totaling 258 mm (10.2 in) over 26 days, contributing to high humidity levels of 86%. In contrast, January brings cooler conditions, with average temperatures dropping to 18°C (64°F) and minimums around 8°C (47°F). Rainfall is considerably less, amounting to only 49 mm (1.9 in) across just 10 days, while humidity remains slightly elevated at 88%. For more detailed insights into January weather, you can check El Castillo weather in January.
When comparing the weather in September and February, notable differences emerge. September typically experiences warmer temperatures, with averages around 24°C (75°F) and highs reaching up to 32°C (91°F). In contrast, February sees cooler conditions, with average temperatures of 19°C (67°F) and maximums peaking at 35°C (95°F). Additionally, September is characterized by significantly higher precipitation, with 258 mm (10.2 in) over 26 days, whereas February is much drier, receiving only 36 mm (1.4 in) across just 6 days. Both months share a high humidity level of 86%, but the overall experience of September tends to feel more humid and wet compared to the comparatively drier February. For more details about February weather, you can visit El Castillo weather in February.
In comparing the weather between September and March, September stands out for its higher humidity and significant precipitation, averaging 258 mm over 26 days. Temperatures during this month range from a minimum of 16°C (62°F) to a maximum of 32°C (91°F), creating a warm yet often damp atmosphere. In contrast, March presents a drier climate with only 54 mm of precipitation over 9 days, and temperatures ranging from a cooler minimum of 10°C (49°F) to a much warmer maximum of 35°C (96°F). Overall, while September is marked by its humid and rainy conditions, March offers a more temperate and dry experience. For more information on the weather specifics, you can visit El Castillo weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. September features a warmer average temperature of 24°C (75°F), with maximums reaching up to 32°C (91°F), while April has a slightly lower average of 23°C (75°F) with peaks hitting an impressive 37°C (98°F). However, September is much wetter, receiving 258 mm (10.2 in) of rain over 26 days, compared to April's modest 65 mm (2.6 in) across just 11 days. Humidity levels are also quite high in September at 86%, slightly higher than April’s 81%. For a detailed look at April weather in the area, check El Castillo weather in April.
September and May present distinct weather patterns, showcasing the transition between seasons. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 32°C (91°F), with an average of 24°C (75°F). The month is characterized by high humidity at 86% and significant rainfall, totaling 258 mm (10.2 in) over 26 days. In contrast, May offers slightly warmer temperatures, with a minimum of 15°C (59°F) and a peak of 36°C (97°F), averaging 25°C (76°F). Precipitation in May is considerably lower at 139 mm (5.5 in) across 20 days, coupled with a humidity level of 82%. For more detailed information on May's weather, you can visit El Castillo weather in May.
In comparing the weather of September and June, both months feature similar average temperatures, with September averaging around 24°C (75°F) and June slightly warmer at 24°C (76°F). However, June tends to reach higher maximum temperatures, peaking at 34°C (94°F) compared to September's maximum of 32°C (91°F). Precipitation levels are also notable; September experiences more rainfall at 258 mm (10.2 in) over 26 days, while June sees slightly less with 215 mm (8.5 in) across 25 days. Humidity in September is higher at 86%, compared to June's 81%. For those interested in a closer look at June's weather specifics, more information can be found at El Castillo weather in June.
When comparing the weather in September to that in July, it's clear that both months experience similar average temperatures, with September holding a slight edge in maximum heat at 32°C (91°F) compared to July's 31°C (88°F). However, September is significantly wetter, receiving 258 mm (10.2 in) of precipitation over 26 days, while July sees only 161 mm (6.4 in) over 23 days. Additionally, humidity levels are higher in September at 86%, compared to July's 81%, which contributes to a more muggy atmosphere as the summer season starts to transition into fall. For more detailed insights into July weather, you can check out El Castillo weather in July.
In comparing the weather of September and August, we notice a few key differences. September's temperatures range from a minimum of 16°C (62°F) to a maximum of 32°C (91°F), while August experiences slightly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 31°C (88°F). Both months maintain an average temperature of 24°C (75°F). However, September sees increased precipitation, totaling 258 mm (10.2 in) over 26 days, compared to August's 212 mm (8.3 in) over 27 days. Additionally, humidity levels are slightly higher in September at 86%, compared to 82% in August. For more detailed insights, you can check El Castillo weather in August.
September and October showcase a transition in weather patterns, though both months remain warm and humid. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 32°C (91°F), with an average of 24°C (75°F). This month experiences significant rainfall, totaling 258 mm (10.2 in) over 26 days, contributing to a high humidity level of 86%. In contrast, October maintains a similar temperature range, with a minimum of 15°C (59°F) and a maximum of 33°C (91°F), but averages slightly cooler at 23°C (73°F). Precipitation drops to 141 mm (5.5 in) over 19 days, yet humidity remains high at 90%. For more detailed information on weather trends, you can check El Castillo weather in October.
In September, the weather is typically warmer and more humid, with average temperatures ranging from a minimum of 16°C (62°F) to a maximum of 32°C (91°F) and an average temperature of 24°C (75°F). The month also sees significant rainfall, with 258 mm (10.2 in) of precipitation spread over 26 days. In contrast, November brings cooler temperatures—all the way down to a minimum of 9°C (48°F) and an average of 20°C (68°F), peaking at 30°C (86°F). Rainfall decreases dramatically to 67 mm (2.6 in) over 15 days, although humidity remains high at 91%. For a detailed look at November weather trends, you can refer to El Castillo weather in November.
September and December exhibit markedly different weather patterns. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 32°C (91°F), with an average of 24°C (75°F). The month is characterized by high humidity at 86% and significant precipitation, receiving 258 mm (10.2 in) over 26 days. In contrast, December experiences cooler temperatures, with a minimum of 6°C (42°F), an average of 18°C (65°F), and a maximum of 31°C (87°F). This month boasts much lower precipitation, totaling just 28 mm (1.1 in) over only 6 days, while humidity slightly increases to 91%. For more insights into December weather, check out El Castillo weather in December.
As September unfolds in El Castillo, the weather offers a contrasting experience compared to the drier months of the year. With high humidity levels hovering around 86% and considerable rainfall totaling 258 mm across 26 days, this month often feels more humid and unsettled. Temperatures remain fairly warm, peaking at 32°C during the day but dipping to a cooler 16°C at night, creating a noticeably humid warmth that envelops the region. This blend of highs and consistent precipitation distinguishes September, making it a month of lush landscapes and vibrant greenery. To explore more about the yearly variations in weather, visit El Castillo Climate.