Last updated: April 22, 2025
September in Chiapa, Mexico, offers a unique blend of warmth and humidity, making it a notable month for weather enthusiasts. With maximum temperatures peaking at 38°C (100°F) and an average of 27°C (81°F), the warmth is palpable. However, the month also brings an average minimum temperature of 18°C (64°F), providing some respite during cooler nights. Rainfall is a dominant feature this month, with a substantial 170 mm (6.7 in) of precipitation over 19 days, contributing to the region's lush landscapes. Additionally, with humidity levels soaring to 84%, the air often feels more oppressive, making it essential for visitors to stay hydrated and prepared for sudden showers.
In September, Chiapa, Mexico, experiences a gentle transition as temperatures begin to cool slightly from the summer peak, with minimums around 18°C (64°F) and averages rising to 27°C (81°F). Daytime highs can still reach up to 38°C (100°F), offering warmth that lingers from the hotter months. This month marks the end of the intense summer heat, creating a pleasant atmosphere for exploration and outdoor activities. As the region shifts toward autumn, the temperatures maintain a comfortable balance, making September an ideal time to appreciate the beautiful landscapes and cultural richness of Chiapa.
In September, Chiapa, Mexico experiences a notable peak in precipitation, receiving approximately 170 mm (6.7 in) of rain over 19 days. This significant rainfall marks a continuation of the region's wet season, which begins in the late spring and intensifies through late summer. Following the relatively lighter months of January through April, where precipitation averages between 42 mm (1.7 in) and 77 mm (3.0 in), the downstream months—May through August—see an uptick in moisture culminating in September's deluge. This trend is reflected in the increased number of rainy days, rising from 15 days in August to 19 days, creating a lush landscape as the region prepares for the even wetter October, which averages 261 mm (10.3 in) of rainfall.
In September, Chiapa, Mexico, experiences a rise in humidity, reaching 84%, following the summer months of July and August, which saw lower levels of 72% and 74%, respectively. This increase signals a transition towards the wetter months ahead, as humidity levels begin to climb dramatically in October with 92%. Overall, the data illustrates a dynamic pattern where humidity tends to peak during the colder months, with January standing out at an impressive 88%. The gradual decline from early in the year down to the summer highlights how the region's humidity fluctuates with the changing seasons, ultimately creating a cycle that prepares the atmosphere for the intense moisture experienced in late fall and winter.
In September, Chiapa, Mexico experiences an extreme UV Index of 12, making sun safety a top priority for residents and visitors alike. As the summer days transition into fall, the UV levels remain notably high, similar to the peak readings of July and August, which also recorded a UV Index of 12. With a burn time of just 10 minutes, it's crucial to take protective measures when outdoors. This trend of elevated UV exposure continues into October, where the UV Index dips slightly to 11 but still demands caution. As you plan your activities, be sure to check the details and stay informed about sun safety by visiting Chiapa UV Index.
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September in Chiapa, Mexico, offers a delightful blend of warmth and sunny skies, boasting 277 hours of sunshine that perfectly captures the essence of early autumn. Following the dazzling peak of summer, where sunshine soared to an impressive 317 hours in July and 314 hours in August, September maintains a generous glow that invites both adventure and relaxation. As the year transitions, sunlight begins to taper off, yet the month still shines brighter than many earlier months, significantly outperforming January's mere 179 hours. This gradual decline hints at the approach of fall while still allowing for plenty of outdoor exploration and enjoyment of Chiapa's stunning landscapes.
In Chiapa, Mexico, September marks a notable point in the annual weather cycle where the likelihood of sunny days drops to 21%, mirroring the sunless tendencies of January. This trend is characterized by a month transitioning away from the lush rains of summer, leading into the drier fall season. Throughout the year, the region experiences varying chances of sun; for instance, the peak is seen in December with 56%, while the sunny days are most scarce during the lush monsoon months of June and September. The data illustrates a consistent fluctuation in sunshine, revealing that while September may not be the sunniest month, it is a transitional period rich with the vibrant colors of early autumn.
In September, daylight in Chiapa, Mexico, settles at a comfortable 12 hours, maintaining the trend from the previous month. This duration marks a gradual transition from the longer days of May through August, when the region enjoys around 13 hours of sunlight. As the year progresses, daylight gradually decreases, dipping to 11 hours in both October and November, before reaching its shortest in December with just 10 hours. This consistent rhythm of daylight not only shapes daily activities but also highlights the allure of Chiapa's vibrant landscape throughout the seasons.
In September, the winds in Chiapa, Mexico, are notably gentle, averaging just 1.5 m/s (3 mph). This slight breeze reflects a broader trend throughout the late summer months, where wind speeds begin to taper off after peaking in the spring. Following a modest rise in April, when the winds reach 2.1 m/s (5 mph), subsequent months, including May and June, show a decrease, hinting at the calming effects of the approaching rainy season. The consistent low wind speeds carry through the remainder of the year, maintaining an atmosphere of tranquil serenity characteristic of Chiapa's September days. While the wind might not be strong, it sways the vibrant surroundings, further enhancing the beauty of this enchanting region.
The weather in Chiapa 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 Chiapa and find detailed weather information for every month.
In September, temperatures soar with a minimum of 18°C (64°F), averaging around 27°C (81°F), and peaking at a sweltering 38°C (100°F). This month also sees significant rainfall, with around 170 mm (6.7 in) falling over 19 days, coupled with high humidity levels averaging 84%. In contrast, January experiences much cooler weather, with temperatures ranging from a minimum of 5°C (42°F) to an average of 19°C (66°F) and a maximum of 33°C (92°F). The precipitation in January is notably lower at 60 mm (2.4 in) over just 8 days, and humidity is slightly elevated at 88%. For a closer look at January's climate specifics, visit Chiapa weather in January.
September and February present quite contrasting weather patterns. In September, temperatures are notably warmer, with an average of 27°C (81°F) and highs reaching up to 38°C (100°F), while February sees a milder average of 20°C (69°F) and maximums around 35°C (95°F). Precipitation also differs significantly; September experiences heavy rainfall, totaling 170 mm (6.7 in) over 19 days, compared to February's lighter precipitation of just 42 mm (1.7 in) across 6 days. Additionally, humidity levels remain relatively high in both months, with September at 84% and February slightly higher at 86%. For more specific details about February weather, you can check this link: Chiapa weather in February.
In September, the weather tends to be significantly warmer and more humid compared to March. With an average temperature of 27°C (81°F) and maximum highs reaching up to 38°C (100°F), September experiences a more intense heat, coupled with high humidity levels of 84%. In contrast, March offers a milder climate, with average temperatures around 23°C (73°F) and minimum lows dropping to 10°C (49°F). Moreover, precipitation is notably lower in March, with only 57 mm (2.2 in) over 8 days, compared to the 170 mm (6.7 in) observed in September over 19 days. For more detailed insights into March weather, you can check Chiapa weather in March.
When comparing the weather in September and April, there are notable differences in temperature, precipitation, and humidity. September typically experiences a warmer average temperature of 27°C (81°F), with maximum highs reaching up to 38°C (100°F), while April shows a slightly lower average at 26°C (79°F) and can peak at a scorching 41°C (106°F). In terms of precipitation, September is much wetter, receiving 170 mm (6.7 in) across 19 days, compared to April's 77 mm (3.0 in) over just 8 days. Humidity levels are fairly similar, with September at 84% and April slightly lower at 80%. For more detailed insights, check out Chiapa weather in April.
September and May both feature warm temperatures, with September experiencing minimums around 18°C (64°F) and an average of 27°C (81°F), while May sees slightly higher averages at 28°C (83°F) and maximums reaching up to 41°C (106°F). In terms of precipitation, September is notably wetter, with 170 mm (6.7 in) falling over 19 days, compared to May's 143 mm (5.6 in) over just 13 days. Humidity levels remain relatively high in both months, recorded at 84% for September and 82% for May. For more details on the weather specifics in May, you can visit Chiapa weather in May.
In comparing the weather of September and June, both months exhibit warm temperatures with only slight variations. September features a minimum temperature of 18°C (64°F) and an average of 27°C (81°F), while June has slightly higher minimum and average temperatures at 20°C (68°F) and 28°C (82°F), respectively. The maximum temperatures are similar, reaching 38°C (100°F) in September and peaking at 39°C (102°F) in June. Precipitation levels are comparable as well, with September receiving 170 mm (6.7 in) over 19 days and June slightly higher at 175 mm (6.9 in) over 18 days. Humidity is more pronounced in September at 84%, compared to June's 79%. For a detailed look at the weather specifics for June, refer to Chiapa weather in June.
In comparison to July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 38°C (100°F). In July, temperatures are a bit warmer, with minimums around 20°C (68°F) and an average of 28°C (82°F). Additionally, September experiences more precipitation, totaling 170 mm (6.7 in) over 19 days, compared to July's 112 mm (4.4 in) over 17 days. The humidity is also noticeably higher in September at 84%, while July has a relatively lower humidity level of 72%. For more detailed insights on July weather, you can visit Chiapa weather in July.
In comparing the weather of September and August, we see some notable differences. September features a slight drop in average temperature, with minimums at 18°C (64°F) and maximums reaching up to 38°C (100°F), while August maintains a higher range, starting at 19°C (67°F) and peaking at 39°C (102°F). Furthermore, September experiences significantly more precipitation, totaling 170 mm (6.7 in) over 19 days, compared to August's 119 mm (4.7 in) over 15 days. Additionally, September has a much higher humidity level at 84%, compared to August's 74%. For more detailed information, check out Chiapa weather in August.
In September, temperatures in Chiapa range from a minimum of 18°C (64°F) to a maximum of 38°C (100°F), with an average temperature of 27°C (81°F). The month is quite humid, averaging 84%, and experiences significant rainfall, totaling 170 mm (6.7 in) over 19 days. In contrast, October sees slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 25°C (77°F), while the maximum remains high at 37°C (99°F). Rainfall increases in October, reaching 261 mm (10.3 in) over 16 days and raising humidity levels to 92%. These changes highlight a transition to wetter and cooler conditions as the region shifts from September to October. For more detailed information, you can check Chiapa weather in October.
September weather is characterized by warm temperatures, with a minimum of 18°C (64°F) and a maximum reaching up to 38°C (100°F), making it the hottest month of the two. The average temperature stands at a balmy 27°C (81°F), accompanied by high humidity at 84% and substantial rainfall of 170 mm (6.7 in) over 19 days. In contrast, November experiences a significant drop in temperature, with a minimum of 5°C (41°F) and a maximum of 32°C (89°F), averaging 22°C (71°F). Additionally, November sees much less precipitation at 84 mm (3.3 in) spread over only 9 days, while the humidity remains high at 91%. For a deeper insight into November weather patterns, you can visit Chiapa weather in November.
September and December present contrasting weather patterns. In September, temperatures range from a mild minimum of 18°C (64°F) to a scorching maximum of 38°C (100°F), with an average of around 27°C (81°F). This month also sees significant rainfall, totaling 170 mm (6.7 in) over 19 days, accompanied by a high humidity of 84%. In stark contrast, December experiences cooler temperatures, with a minimum of 5°C (42°F), an average of 19°C (67°F), and a maximum of 32°C (91°F). Precipitation drops dramatically to 35 mm (1.4 in) over just 7 days, and humidity slightly increases to 91%. For more details on December weather, you can check Chiapa weather in December.
September in Chiapa brings a unique blend of warmth and humidity, setting it apart from the drier months prior. With average temperatures hovering around 27°C (81°F), the air feels more tropical and oppressive, especially with humidity levels soaring to 84%. Rainfall becomes a key player this month, as 170 mm (6.7 in) of precipitation falls over 19 days, marking a significant increase compared to the drier summer months. This transition creates a lush, vibrant landscape throughout the region, making September a perfect time to witness the lush beauty of Chiapa. For a deeper understanding of the region's climate, explore Chiapa Climate.