September Weather in Sayulita, Mexico

Last updated: April 22, 2025

September in Sayulita, Mexico brings warm temperatures perfect for beachgoers, with a maximum of 31°C (88°F) and an average of 28°C (83°F). While the minimum temperature hovers around 26°C (78°F), visitors should prepare for significant precipitation, averaging 256 mm (10.1 in) over 24 days. The air carries a humidity level of 78%, creating a tropical atmosphere that enhances the lush surroundings. Despite the rain, the vibrant beauty of Sayulita continues to beckon travelers seeking both adventure and relaxation.

September Temperature in Sayulita

As September rolls into Sayulita, Mexico, the temperatures reflect the warmth of the late summer, with minimums averaging around 26°C (78°F) and maximums reaching up to 31°C (88°F). This month showcases a slight uptick in heat compared to previous months, maintaining an inviting average temperature of 28°C (83°F). As the summer peak transitions into early fall, visitors can expect pleasantly warm days perfect for lounging on the beach or enjoying local festivities. While the nights remain mild, the rising temperatures hint at the lingering warmth before the cooler months begin to set in. Overall, September in Sayulita offers a delightful blend of sun and pleasant sea breezes, making it an ideal time for beach lovers and adventure seekers alike.

September Weather in Sayulita: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sayulita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec747373747780838382828076
Data source: Temperature data for Sayulita generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sayulita

September marks the peak of the wet season in Sayulita, Mexico, showcasing a dramatic increase in rainfall with 256 mm (10.1 in) recorded over 24 days. This month stands out not only for its total precipitation but also for its frequency of rain, reflecting a notable trend as it surges well beyond the previous months. The lush landscapes and vibrant scenery, a result of this abundant rainfall, create a captivating backdrop for visitors, while locals prepare for seasonal changes in weather patterns. As summer gives way to autumn, the transformation is evident, making September a pivotal month in Sayulita's climate narrative.

September Precipitation Trends in Sayulita

The chart displays monthly precipitation patterns in Sayulita, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec262712686971972561762419
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sayulita

In September, Sayulita, Mexico, continues to experience high humidity, with levels averaging around 78%. This marks a slight decline from the peak humidity observed in the summer months of July and August, both at 79% and 78% respectively. The transition from the sultry summer to the more comfortable fall is gradual, as humidity levels remain elevated compared to the drier months at the beginning of the year. Interestingly, this late-summer humidity mirrors June's, suggesting a persistent tropical influence that brings warmth and lushness to the coastal town. As the year progresses, humidity begins to ease, paving the way for a more temperate October with a slight drop to 75%, offering a delightful climate for visitors.

September Average Humidity in Sayulita

This chart illustrates the average monthly humidity levels in Sayulita, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec71%69%67%66%69%78%79%78%78%75%74%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sayulita

In September, Sayulita, Mexico, continues to experience an extreme UV Index of 12, requiring vigilant sun protection with a burn time of just 10 minutes. This trend of high UV exposure persists from the summer months, where indices ranged from 12 to 13, signaling that skin sensitivity is at its peak. As the region transitions into autumn, the UV Index slightly declines, yet still remains in the extreme category—indicative of the sun's intensity. With October's UV Index dropping to 11 before further reduction in the late months of the year, those visiting in September should be well-prepared for the sun. For detailed UV projections, check out Sayulita UV Index.

Maximum UV Index Levels in Sayulita for September

The chart shows the monthly maximum UV Index (UVI) for Sayulita in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810121312131213121197
Data source: Sayulita September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Sayulita

As summer transitions into fall, September graces Sayulita, Mexico with a delightful 259 hours of sunshine, marking a gentle dip from the peak summer months. After basking in the brilliance of May's 349 hours, the sun starts to retreat, yet still offers plenty of warmth and light for beachgoers and surfers alike. This trend of abundant sunshine follows a consistent pattern, with April through June shining the brightest, while the months leading into autumn bring slight decreases. Even as temperatures cool slightly, September remains an attractive time to visit, inviting those looking to soak in the last rays of summer before the year winds down. With 274 hours expected in October, the sun continues to shine brightly, promising more memorable sunsets over this picturesque coastal town.

Monthly Sunshine Duration in Sayulita: September Highlighted

The September sunshine duration represents the total number of hours Sayulita experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec223h261h318h326h349h309h315h275h259h273h284h277h
Data source: Sayulita September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sayulita During September

In Sayulita, Mexico, September marks the beginning of a transitional phase, where the likelihood of sunny weather shifts notably. With just a 24% chance of sunshine, this month is part of the region's rainy season, significantly lower than the 75% enjoyed in March and even 74% in May. This downward trend continues from the summer months, where July and August witness the least amount of sun, plummeting to 29% and 17% respectively. While October shows an uptick to 44%, September remains a time when umbrellas may be more useful than sun hats, highlighting the importance of planning accordingly for those seeking a bright getaway.

Percentage of Sunny Days in September in Sayulita

The chart illustrates the percentage of sunny days in Sayulita throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Sayulita experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%63%75%64%74%27%29%17%24%44%60%58%
Data source: Sayulita September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sayulita in September

In Sayulita, Mexico, the progression of daylight throughout the year reveals a captivating rhythm of changing seasons. As we enter September, the days linger at 12 hours of daylight, reflecting the peak of the summer season before the days begin to shorten again in October. The year kicks off with a modest 11 hours of daylight in January and February, gradually extending to a lush 13 hours from May through July, the sunniest stretch of the year. However, as August arrives, daylight starts to taper off, foreshadowing the shift into fall. This seasonal dance highlights the enchanting quality of Sayulita’s climate, where the balance of light and shadow marks the passage of time in this beautiful coastal town.

Average Daylight Hours in Sayulita for September

The chart illustrates the variation in daylight duration in Sayulita throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 1m11h 27m12h 2m12h 37m13h 7m13h 21m13h 13m12h 47m12h 13m11h 38m11h 7m10h 52m
Data source: Sayulita daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sayulita

In Sayulita, Mexico, the September winds create a gentle atmosphere, with average speeds dipping to 2.2 m/s (5 mph). This trend reflects a gradual decline from the breezier early months of the year, particularly from March, where winds peak at 3.8 m/s (9 mph). As summer transitions to autumn, the breezes become softer, inviting a more relaxed vibe. Comparatively, October brings a slight uptick to 2.7 m/s (6 mph), hinting at the mild fluctuations typical of this coastal paradise. Overall, the evolving wind patterns in September offer a unique and serene experience, perfect for enjoying Sayulita's beautiful beaches and vibrant local culture.

Average September Wind Speed in Sayulita

The chart displays monthly wind speed patterns in Sayulita, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.23.83.13.02.92.42.52.2 m/s2.72.93.2
Data source: Sayulita September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sayulita Compares to Other Months

The weather in Sayulita 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 Sayulita and find detailed weather information for every month.

In September, the weather is notably warmer and more humid, with average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 31°C (88°F). The month is characterized by significant rainfall, receiving about 256 mm (10.1 in) over 24 days, which contributes to the high humidity level of 78%. In contrast, January brings cooler and drier conditions, featuring average temperatures between 18°C (64°F) and 27°C (82°F). Precipitation drops dramatically to just 26 mm (1.0 in) over only 2 days, resulting in a more comfortable humidity level of 71%. For more details, check out Sayulita weather in January.

In September, the weather is notably warmer, with average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 31°C (88°F), while February sees cooler temperatures, averaging 19°C (66°F) to 26°C (80°F). Additionally, September experiences significantly higher precipitation, with 256 mm (10.1 in) of rain over 24 days, in stark contrast to February’s relatively dry conditions, which record just 27 mm (1.1 in) of rain over only 2 days. The humidity is also more pronounced in September at 78%, compared to February's milder 69%. For more detailed information, you can check Sayulita weather in February.

In September, the weather tends to be quite warm, with average temperatures around 28°C (83°F) and maximums reaching up to 31°C (88°F), accompanied by high humidity at 78%. However, this month is also known for significant rainfall, featuring approximately 256 mm (10.1 in) of precipitation over 24 days. In contrast, March offers more temperate conditions, with milder temperatures ranging from a minimum of 20°C (69°F) to a maximum of 25°C (78°F). The humidity is lower at 67%, and notably, March sees virtually no rain, with just 1 mm (0.1 in) of precipitation. For more detailed weather information, you can check Sayulita weather in March.

September and April present notably different weather patterns. In September, temperatures range from a minimum of 26°C (78°F) to a maximum of 31°C (88°F), with an average temperature of 28°C (83°F). This month is characterized by high humidity (78%) and significant rainfall, totaling 256 mm (10.1 in) over 24 days. In contrast, April is much milder with temperatures ranging from a low of 20°C (68°F) to a high of 26°C (78°F), averaging around 24°C (75°F). During this month, the weather is considerably drier, boasting almost no precipitation and lower humidity levels at 66%. For a more detailed look at the weather during this period, you can refer to Sayulita weather in April.

The weather in September contrasts significantly with that of May. September experiences warmer temperatures, with a minimum of 26°C (78°F) and an average of 28°C (83°F), peaking at 31°C (88°F). In addition to the heat, September also sees a substantial amount of rainfall, totaling 256 mm (10.1 inches) over 24 days, coupled with high humidity at 78%. In comparison, May has milder temperatures, ranging from a minimum of 22°C (71°F) to an average of 25°C (77°F) and a maximum of 27°C (82°F). May is characterized by significantly less precipitation, only 6 mm (0.2 inches) on just 1 day, and lower humidity at 69%. For more details on the weather specifics for that month, you can visit Sayulita weather in May.

When comparing the weather in September to that of June, there are notable differences in temperature and precipitation. September showcases slightly higher temperatures, with a minimum of 26°C (78°F), an average of 28°C (83°F), and a maximum of 31°C (88°F), compared to June's minimum of 23°C (73°F), average of 27°C (80°F), and maximum of 30°C (86°F). Additionally, September experiences significantly more rainfall, totaling 256 mm (10.1 in) over 24 days, while June only receives 86 mm (3.4 in) across 11 days. Both months maintain the same humidity level of 78%, making them humid but with September feeling wetter due to the increased precipitation. For more details, you can check out Sayulita weather in June.

When comparing the weather in September to that of July, it becomes clear that both months share similar average temperatures, ranging from a minimum of 25-26°C (78-79°F) and averaging around 28°C (83°F). However, September experiences significantly higher precipitation, with 256 mm (10.1 in) over 24 days, compared to July's 96 mm (3.8 in) across 16 days. Additionally, while humidity levels are fairly close—79% in July versus 78% in September—September's weather is characterized by much more rain. This makes July a drier option overall. For more details, you can check out Sayulita weather in July.

September's weather exhibits slightly warmer temperatures than August, with an average of 28°C (83°F) and maximums reaching 31°C (88°F), compared to August's maximum of 30°C (87°F). Both months share similar minimum temperatures of 25-26°C (78°F), illustrating a consistent warm climate. However, September sees a marked increase in precipitation, totaling 256 mm (10.1 in) over 24 days, compared to August's 197 mm (7.7 in) across 22 days. Humidity remains constant at 78% during both months, adding to the tropical feel of the region. For more details on August weather, visit Sayulita weather in August.

In September, the weather is typically warmer, with minimum temperatures around 26°C (78°F) and maximums reaching up to 31°C (88°F). The month also experiences significant rainfall, totaling approximately 256 mm (10.1 in) over 24 days, contributing to a higher humidity level of 78%. In contrast, October sees slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (87°F). Rainfall decreases to 176 mm (6.9 in) over 18 days, resulting in a slight drop in humidity to 75%. For more specific details, check out Sayulita weather in October.

In September, the weather tends to be quite warm, with average temperatures hovering around 28°C (83°F) and reaching highs of 31°C (88°F). This month also sees significant rainfall, with 256 mm (10.1 in) of precipitation spread over 24 days, resulting in high humidity levels of 78%. In contrast, November brings cooler temperatures, with a minimum of 21°C (70°F) and an average of 27°C (81°F), peaking at 30°C (86°F). Moreover, November is far drier, with only 24 mm (0.9 in) of rain over just 2 days, and slightly lower humidity at 74%. For more detailed information, check out Sayulita weather in November.

In September, Sayulita experiences warm temperatures, with a minimum of 26°C (78°F) and an average of 28°C (83°F), peaking at 31°C (88°F). The month is also quite rainy, receiving 256 mm (10.1 in) of precipitation over 24 days, along with high humidity levels at 78%. In contrast, December offers a cooler climate, with minimum temperatures dropping to 18°C (65°F) and an average of 25°C (77°F), reaching a maximum of 28°C (82°F). This month is significantly drier, with only 19 mm (0.8 in) of rain occurring across just 2 days and a slight decrease in humidity to 74%. For more details, you can check Sayulita weather in December.

Compare Sayulita's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sayulita

September in Sayulita brings a unique blend of warm temperatures and high humidity, setting it apart from other months of the year. While daily highs are still inviting for beachgoers, the increased chances of rainfall add a refreshing twist to the tropical atmosphere. With over three-quarters of the month experiencing precipitation, it’s a time when the lush landscapes come alive. Travelers can expect to encounter vibrant flora and fewer tourists, making it ideal for those seeking a more intimate experience with nature. For more insights on what to expect year-round, check out Sayulita Climate.