Last updated: April 22, 2025
Experience the charm of San Felipe, Mexico in September, where the weather creates a delightful backdrop for exploration. With maximum temperatures reaching 30°C (86°F) and an average of 19°C (67°F), the climate is warm yet comfortable. However, be prepared for cooler nights as temperatures can drop to a minimum of 10°C (50°F). September also brings 100 mm (3.9 in) of rain over approximately 16 days, contributing to a lush and vibrant landscape. With humidity levels hovering around 86%, the air feels refreshingly crisp after rainfall, making this coastal town a perfect destination for those who appreciate a blend of warmth and moisture in their adventures.
In San Felipe, Mexico, September marks a gentle transition from the summer heat, with temperatures displaying a pleasant range. The month sees minimums around 10°C (50°F), while the average settles at a comfortable 19°C (67°F), making it a lovely time for outdoor activities. With maximum temperatures reaching 30°C (86°F), the warmth persists, yet the evenings begin to cool down, inviting a refreshing breeze. This shifting climate reflects a broader trend of gradual cooling as the year progresses, hinting at the cooler months ahead while still allowing for plenty of sunshine to enjoy.
September marks a significant increase in precipitation for San Felipe, Mexico, with 100 mm (3.9 in) of rainfall recorded over 16 days. This surge follows the wettest months of July and August, which saw 109 mm (4.3 in) and 49 mm (1.9 in) respectively, highlighting a trend of late summer monsoons that contribute to the region's water supply. The relatively high number of rainy days in September emphasizes the transition from the arid summer months to the slightly cooler and wetter fall season, making it one of the wettest months of the year. As the dry months approach, this rainfall plays a crucial role in sustaining the local ecosystem, showcasing the vital importance of seasonal precipitation patterns in San Felipe.
As summer fades into fall, September in San Felipe, Mexico, brings a notable spike in humidity, reaching a peak of 86%. This increase follows a gradual rise from the drier months of March and April, where humidity dipped to 49% and 47% respectively. By June, the atmosphere becomes significantly more humid, and this trend continues into the late summer months of July and August, which hover around 82% and 83%. However, September's humidity outstrips these figures, creating a noticeably heavy atmosphere as the region transitions into October. This pattern highlights the tropical nature of San Felipe's climate, where the combination of rising temperatures and moisture creates a characteristic warmth, making the tail end of summer a time of intense humidity before the seasonal shift begins.
In September, San Felipe, Mexico, experiences an extreme UV Index of 14, maintaining the high levels observed throughout the summer months. With a burn time of just 10 minutes, the sun's intensity is a persistent reminder for outdoor enthusiasts to prioritize sun safety. As we transition from the intense sunshine of summer, the UV levels remain significant, mirroring the nearly peak readings from earlier in the season. This trend highlights the importance of vigilant sun protection, as both residents and visitors should remain cautious when enjoying the beautiful weather. For ongoing updates and detailed UV safety information, check out San Felipe UV Index.
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As summer fades, September in San Felipe, Mexico, offers a delightful balance of sunshine, with 291 hours of bright, invigorating light. While this is a dip from the sun-soaked heights of May (the peak at 350 hours), it remains a vibrant month, overshadowed only by the lush summer months. The gradual transition from the intense sun of the earlier months indicates a shift towards the cooler, more temperate fall, yet still provides plenty of opportunity for outdoor adventures and relaxation. With sunshine hours consistently peaking during the summer, September serves as a perfect bridge, inviting visitors to experience the tail end of sunny warmth before the season begins to wane. This captivating interplay of light and warmth makes San Felipe a compelling destination, even as it prepares for its picturesque autumn.
In September, the likelihood of sunny weather in San Felipe, Mexico takes a noticeable dip, with only a 38% chance of sunshine. This marks a significant decline from the warmer months of May and June, where the sun shines more frequently, at rates of 72% and 51%, respectively. As summer transitions into fall, the weather becomes more unpredictable, reflected in the lower probabilities of sunny days. Interestingly, this trend of reduced sun continues into October and November, although there’s a gradual recovery with chances climbing back to 58% and 67% in those months. Travelers seeking sunny skies should be mindful that September may bring cloudier days, as summer's golden glow begins to wane.
In September, San Felipe, Mexico, enjoys a comfortable 12 hours of daylight, a delightful continuation of the summer brightness experienced in August. As the year transitions toward autumn, the daylight gradually wanes, a trend that begins in late summer and continues into the cooler months ahead. Notably, this pattern reveals a peak in daylight duration during the height of summer, with up to 13 hours in May through July, before slightly tapering off in September. The rhythmic ebb and flow of daylight not only informs daily activities but also enhances the coastal ambiance, enticing locals and visitors alike to savor the beautiful sunsets as the leaves hint at changing colors.
As September arrives in San Felipe, Mexico, the coastal breeze softens to its lowest average wind speed of the year at 2.4 m/s (5 mph). This gentle airflow mirrors the transition from the summer heat to the more temperate autumn months, marking a noticeable decline from the spring peaks of 4.0 m/s (9 mph) in April and the moderate 3.5 m/s (8 mph) seen in March. The prevailing calmness in September, coupled with the picturesque sunsets, invites both relaxation and reflection, while the winds begin to settle, creating a soothing backdrop for beachgoers and locals alike. As the year progresses into October and November, the winds remain steady at 2.4 m/s, suggesting a consistent tranquility carries into the fall, offering a serene environment for those seeking solace by the sea.
The weather in San Felipe 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 Felipe and find detailed weather information for every month.
September presents a warm and humid climate, with average temperatures around 19°C (67°F) and highs reaching up to 30°C (86°F). The month experiences notable rainfall, with 100 mm (3.9 in) spread over about 16 days, contributing to a high humidity level of 86%. In contrast, January features significantly cooler temperatures, with an average of 13°C (55°F) and daily lows dropping to -3°C (27°F). Precipitation is minimal during this month, totaling only 15 mm (0.6 in) over just 2 days, and humidity drops to a more comfortable 71%. For a deeper insight into January weather specifics, you can refer to San Felipe weather in January.
September and February exhibit contrasting weather patterns. In September, temperatures range from a mild 10°C (50°F) at night to a warm 30°C (86°F) during the day, with an average of 19°C (67°F). The month is characterized by significant rainfall, totaling around 100 mm (3.9 inches) over 16 days, and high humidity at 86%. In contrast, February offers a cooler climate with nighttime temperatures plummeting to -2°C (29°F) and daytime highs reaching 32°C (90°F), averaging 15°C (60°F). Remarkably, February experiences minimal precipitation, with only 11 mm (0.4 inches) of rain over just 1 day, along with lower humidity levels at 64%. For more detailed information about February weather, you can check the link: San Felipe weather in February.
In September, the weather is characterized by a wider range of temperatures, with minimums around 10°C (50°F) and maximums reaching up to 30°C (86°F), averaging 19°C (67°F). The month is quite humid, with an average humidity of 86% and an expected 100 mm (3.9 in) of precipitation over 16 days. In contrast, March offers much warmer days with maximum temperatures soaring to 34°C (93°F), though starting with chillier nights at a minimum of 3°C (38°F). The average temperature remains similar at 19°C (66°F), but March benefits from significantly less rainfall, with only 6 mm (0.2 in) over just one day and lower humidity at 49%. For more detailed information about weather conditions in March, you can visit San Felipe weather in March.
When comparing the weather in September and April, a noticeable difference can be observed in temperature and precipitation. September experiences a wider temperature range, with a minimum of 10°C (50°F) and a maximum of 30°C (86°F), whereas April has a milder minimum of 5°C (41°F) but can reach higher maximums of 34°C (94°F). Additionally, September tends to be much wetter, averaging 100 mm (3.9 in) of precipitation over 16 days, compared to April's minimal 8 mm (0.3 in) of rainfall over just one day. Humidity levels also differ significantly; September is characterized by a high humidity of 86%, while April enjoys a much drier climate at 47%. For more details about April weather, you can visit San Felipe weather in April.
When comparing the weather in September and May, notable differences emerge in temperature and precipitation patterns. September features a milder temperature range with a minimum of 10°C (50°F) and a maximum of 30°C (86°F), while May boasts warmer conditions, starting at 9°C (49°F) and peaking at 36°C (97°F). Additionally, September is characterized by higher humidity levels at 86% and significantly more rainfall, accumulating around 100 mm (3.9 in) over 16 days. In contrast, May enjoys a much drier climate with only 13 mm (0.5 in) of rain across 3 days and a lower humidity level of 55%. For a closer look at the specifics of May weather, refer to San Felipe weather in May.
When comparing the weather in September and June, one can observe notable differences in temperature, precipitation, and humidity. September sees a minimum temperature of 10°C (50°F) and an average of 19°C (67°F), with a maximum of 30°C (86°F). In contrast, June has slightly warmer temperatures, starting at a minimum of 12°C (54°F) and averaging 23°C (74°F), while the maximum can reach 35°C (96°F). Moreover, September experiences more rain, with 100 mm (3.9 in) of precipitation over 16 days, compared to June's 47 mm (1.8 in) over just 8 days. The humidity in September is also higher at 86%, while June has a relatively lower humidity level of 77%. For a detailed look at June's weather, you can visit San Felipe weather in June.
In comparing the weather between September and July, September generally offers a cooler atmosphere with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), while July tends to be warmer, featuring temperatures that range from a minimum of 13°C (56°F) to a maximum of 33°C (91°F). Although both months experience notable precipitation, September sees around 100 mm (3.9 in) spread over 16 days, compared to July's 109 mm (4.3 in) over just 14 days. Additionally, September has a slightly higher humidity level at 86%, compared to July's 82%. For a more detailed look at July weather, you can refer to San Felipe weather in July.
In comparing the weather of September and August, September typically has cooler temperatures, with a minimum of 10°C (50°F) compared to August's 13°C (55°F). The average temperature in September is 19°C (67°F), while August averages at a warmer 22°C (71°F). Despite this slight decrease in temperatures, September experiences significantly more rainfall, with 100 mm (3.9 in) over 16 days, compared to August's 49 mm (1.9 in) across just 9 days. Additionally, humidity levels are slightly higher in September at 86%, compared to 83% in August. For more details, you can check San Felipe weather in August.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (86°F) and an average of 19°C (67°F). Additionally, the month experiences higher precipitation, totaling 100 mm (3.9 in) over 16 days, along with elevated humidity levels of 86%. In contrast, October brings slightly cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 29°C (85°F), but maintains an average temperature similar to September at 19°C (66°F). This month sees a significant reduction in precipitation to 45 mm (1.8 in) across just 6 days, and humidity decreases slightly to 83%. For more detailed insights about October weather, you can refer to San Felipe weather in October.
In September, the weather is warm with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (86°F), accompanied by high humidity levels of 86% and significant precipitation of 100 mm (3.9 in) over 16 rainy days. In contrast, November brings cooler conditions, with temperatures dropping to a minimum of -4°C (26°F) and averaging 16°C (60°F), while remaining comfortable with a maximum of 29°C (84°F). November experiences markedly less precipitation, only 13 mm (0.5 in) over just 1 day, and a slightly lower humidity of 80%. For more detailed climate insights, check out San Felipe weather in November.
September and December exhibit stark contrasts in weather. In September, temperatures range from a mild 10°C (50°F) to a hot 30°C (86°F), with an average of 19°C (67°F). The month also sees considerable rainfall, with about 100 mm (3.9 in) over 16 days and high humidity at 86%. In contrast, December experiences much colder temperatures, dipping as low as -7°C (20°F) and averaging 13°C (55°F), with a maximum of 28°C (82°F). Precipitation is minimal in December, totaling just 8 mm (0.3 in) over only 2 days, and humidity remains slightly lower at 83%. For more specifics about December weather, you can check San Felipe weather in December.
As September unfolds in San Felipe, the weather presents a unique character that sets it apart from the rest of the year. With warm temperatures peaking at 30°C (86°F), the month offers a comfortable climate alongside an average low of 19°C (67°F). This transitional period brings increased rainfall, contributing to the notable 100 mm (3.9 in) of precipitation over approximately 16 days, which introduces a refreshing humidity level of 86%. While other months may experience drier conditions, September’s showers create a lush, vibrant landscape that enchants both locals and visitors alike. For more insights into the yearly climate trends, visit San Felipe Climate.