Last updated: April 22, 2025
September in San Felipe, Mexico, showcases vibrant summer warmth, with maximum temperatures soaring to a sizzling 40°C (105°F) and an average of 31°C (88°F). The month typically maintains a minimum temperature of 21°C (69°F), offering warm evenings for outdoor activities. Rainfall is minimal, with an average precipitation amount of just 12 mm (0.5 in), occurring on a mere day throughout the month. With humidity levels hovering around 57%, September provides a balanced tropical climate, perfect for enjoying the stunning seaside views and local culture.
In September, temperatures in San Felipe, Mexico, start to hint at the retreat of summer, though the warmth lingers strongly. The month ushers in a minimum temperature of 21°C (69°F), which sets a comfortably warm backdrop for the days ahead. With an average high of 31°C (88°F) and a blistering peak of 40°C (105°F), September showcases a slight decline from the sweltering heights of July and August but remains a prime time for sun-seekers. As warmth continues to dominate, the season's transition is palpable, marking September as a vibrant month that straddles the fiery summer and the more temperate autumn ahead.
In September, San Felipe experiences a notable shift in its typically dry climate, with precipitation reaching 12 mm (0.5 in) over the course of just one rainy day. This burst of moisture follows a prolonged dry spell during the summer months of June and August, where no rainfall was recorded at all. The significant uptick in rainfall foreshadows a transition into the wetter season, often bringing relief and vibrancy to the region. As October approaches, expectations rise for even heavier rains, with the month historically delivering an average of 24 mm (1.0 in). This brief September reprieve serves as a reminder of nature’s rhythm, making way for the vibrant growth that follows in fall.
In September, San Felipe, Mexico, experiences a noticeable shift in humidity as levels rise to 57%—a significant increase after the drier summer months. The trend showcases a gradual return to higher humidity, reminiscent of early winter, as values climb from their yearly low of 30% in July and August. This transition hints at the onset of the fall season, where humidity gradually stabilizes, paving the way for a more humid climate that characterizes the months ahead. As the year progresses, San Felipe's humidity journey reflects a harmonious ebb and flow, with September serving as a pivotal bridge between the arid summer and the more humid winter months.
In September, San Felipe experiences a UV Index of 10, categorized as very high, with a burn time of just 15 minutes. This marks a slight decrease from the extreme values seen during the summer months of June through August, when the UV Index peaked at 11. However, the UV levels remain significant, reminding residents and visitors alike to stay vigilant about sun protection as the season shifts. As the year progresses into October, the UV index will begin to decline further, reaching a still high level of 8. Embracing the sun responsibly during September is crucial for enjoying the beautiful weather while minimizing skin damage. For more detailed information on UV levels, visit San Felipe UV Index.
UV Risk Categories
September in San Felipe, Mexico, offers a delightful blend of sunshine and warm weather, basking under 321 hours of glorious sunlight. This month sees a gentle decline from the vibrant peak of 374 hours in May and June, yet remains abundant in light compared to the earlier months of the year. The transition into fall is marked by beautiful sunny days, as September holds more sunshine than the subsequent months of October (304 hours) and November (266 hours). This trend showcases San Felipe's charming climate, making September an ideal time for outdoor adventures and relaxation by the beach, before cooler days begin to set in.
September in San Felipe, Mexico, boasts a high likelihood of sunny weather with approximately 85% chance of sunshine. This not only continues the trend of consistently bright days seen throughout the late summer, particularly in August with an impressive 88% chance, but also sets a warm tone for the coming fall. While other months exhibit variability—with winter months like January and December showcasing lower probabilities of sun—September stands out for maintaining a strong average of clear skies. This makes it an ideal time for outdoor activities and enjoying the region's stunning landscapes before the cooler months arrive.
As summer transitions into autumn in San Felipe, September offers a comfortable 12 hours of daylight, reflecting a gradual decline from the peak of 14 hours in June. This month marks a gentle shift, as daylight begins to recede, reminiscent of the longer days enjoyed in the spring and summer. Following September, daylight continues to decrease, with October bringing 11 hours and further dwindling into the 10-hour ranges by November and December. This rhythmic change not only enhances the beauty of the landscape but also sets the stage for the cozy atmosphere of the coming fall and winter months.
As summer fades and September arrives in San Felipe, Mexico, the winds begin to calm, with an average speed of 2.9 m/s (6 mph)—the lowest of the year. This gentle breeze marks a transition from the breezier summer months, where winds peaked at 3.9 m/s (9 mph) in January and maintained a steady pace through most of spring. As the season shifts towards autumn, the wind's embrace becomes softer, inviting locals and visitors alike to enjoy the serenity that September offers. With October's winds ready to pick up slightly, the tranquil atmosphere of September serves as a perfect pause, a moment to relish the fading warmth of summer before the winds of change return.
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 and January present contrasting weather experiences. In September, temperatures soar with a minimum of 21°C (69°F) and an average high reaching 40°C (105°F), creating a hot and humid environment with 57% humidity and only 12 mm (0.5 in) of precipitation over just one day. In stark contrast, January offers a much cooler climate, with temperatures ranging from a minimum of 9°C (49°F) to an average high of 25°C (77°F). The precipitation is slightly higher at 13 mm (0.5 in) over two days, and humidity levels increase to 71%. For more detailed insights into January weather, check out San Felipe weather in January.
September weather in the region is characterized by warm to hot temperatures, with minimums around 21°C (69°F) and soaring averages of 31°C (88°F), peaking at a scorching 40°C (105°F). The month sees minimal precipitation, only about 12 mm (0.5 in) over just one day, and the humidity sits at 57%, making it feel quite warm. In contrast, February brings much cooler temperatures, with a minimum of 8°C (47°F) and an average of 17°C (62°F), while the maximum reaches a comfortable 26°C (79°F). This month experiences slightly more precipitation at 10 mm (0.4 in) over two days, accompanied by a higher humidity level of 73%. For more details on February's climate, you can check San Felipe weather in February.
In September, the weather is significantly warmer, with temperatures ranging from a minimum of 21°C (69°F) to a scorching maximum of 40°C (105°F), while the average sits at 31°C (88°F). Despite this heat, rainfall is minimal, averaging just 12 mm (0.5 in) over one day, and humidity levels are moderately high at 57%. In contrast, March offers a much cooler climate, featuring temperatures that range from a low of 10°C (50°F) to a high of 29°C (84°F), with an average of 19°C (66°F). March tends to experience slightly higher precipitation, averaging 15 mm (0.6 in) over two days, and humidity remains relatively constant at 56%. For more detailed insights on weather conditions in March, you can visit San Felipe weather in March.
September weather is characterized by higher temperatures, with a minimum of 21°C (69°F) and an average of 31°C (88°F), peaking at 40°C (105°F). The month sees some humidity at 57% and experiences light rainfall of 12 mm (0.5 in) over just one day. In contrast, April is much cooler, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (91°F) and an average of 23°C (73°F). This month is notably drier, receiving only 3 mm (0.1 in) of precipitation without any rainy days, along with lower humidity at 42%. For more detailed information on weather during this month, check out San Felipe weather in April.
In comparing the weather between September and May, September tends to be significantly warmer, with average temperatures reaching 31°C (88°F) and highs peaking at 40°C (105°F). In contrast, May offers a milder climate, with average temperatures around 25°C (77°F) and maximums of 36°C (98°F). Precipitation is minimal in both months, but September sees slightly more rainfall at 12 mm (0.5 in) compared to just 2 mm (0.1 in) in May, which typically does not experience any rainy days. Additionally, humidity levels are higher in September at 57%, while May enjoys a drier atmosphere with only 32% humidity. For more detailed insights, you can explore San Felipe weather in May.
September and June present distinct weather patterns in San Felipe. September boasts higher temperatures, with a minimum of 21°C (69°F) and an average of 31°C (88°F), peaking at a scorching 40°C (105°F). In contrast, June has slightly cooler temperatures, starting at a minimum of 20°C (69°F), averaging 29°C (84°F), and reaching a maximum of 36°C (97°F). Precipitation also varies significantly; September has recorded 12 mm (0.5 in) over just one day, while June remains completely dry with 0 mm of rainfall throughout the month. Additionally, humidity levels are higher in September at 57%, compared to June’s 31%. For a more detailed overview of June weather, check out San Felipe weather in June.
In comparing the weather between September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 21°C (69°F) to a maximum of 40°C (105°F), while July boasts higher minimum temperatures, ranging from 25°C (78°F) to a maximum of 39°C (103°F). Additionally, September experiences more humidity, averaging 57% compared to July's lower 30%. Precipitation is minimal in both months, but September sees a slight increase with 12 mm (0.5 in) of rain over just one day, whereas July is almost completely dry with only 3 mm (0.1 in) of rainfall. For a detailed look at July's climate, you can visit San Felipe weather in July.
In September, the weather in San Felipe exhibits a notable decrease in humidity, dropping to 57%, compared to the drier August average of 40%. The temperatures remain relatively high, with September's average reaching 31°C (88°F) and maximums occasionally hitting 40°C (105°F). However, September sees a slight increase in precipitation, with 12 mm (0.5 in) falling on just one day, whereas August experienced completely dry conditions with 0 mm of rainfall. For more detailed information, you can visit San Felipe weather in August.
September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 21°C (69°F) to a scorching maximum of 40°C (105°F), with an average temperature of 31°C (88°F). The month sees limited precipitation, totaling just 12 mm (0.5 in) over one day, and humidity levels are at 57%. In contrast, October brings cooler temperatures, with a minimum of 14°C (58°F) and a maximum of 37°C (98°F), averaging 26°C (79°F). Interestingly, while October experiences a higher total precipitation of 24 mm (1.0 in), it sees no rainy days and slightly increased humidity at 62%. For a more detailed look at October weather, you can check out San Felipe weather in October.
September and November present significantly different weather conditions. In September, temperatures can soar with a minimum of 21°C (69°F) and can reach as high as 40°C (105°F), resulting in an average temperature of 31°C (88°F). The month sees relatively low precipitation of 12 mm (0.5 in) over just one day, and humidity levels sit at 57%. In contrast, November experiences cooler temperatures, with a minimum of 13°C (55°F) and a maximum of 31°C (89°F), leading to an average temperature of 22°C (71°F). This month enjoys minimal precipitation, only 3 mm (0.1 in) without any rainy days, while humidity rises slightly to 71%. For more details, check out San Felipe weather in November.
September and December showcase a stark contrast in weather patterns. September is characterized by high temperatures, with an average of 31°C (88°F) and maximums reaching up to 40°C (105°F), coupled with relatively low humidity at 57%. In contrast, December brings cooler temperatures, averaging 17°C (63°F), with a maximum of 25°C (78°F) and a more humid environment at 77%. While September experiences just a single day of rain, December sees slightly more precipitation with 7 mm over two days. For a detailed look at December weather, you can visit San Felipe weather in December.
As September unfolds in San Felipe, temperatures start to cool slightly from the scorching summer highs, offering a more pleasant average warmth. This month witnesses the rare occurrence of rainfall, contrasting sharply with the typically dry conditions of preceding months, marking it as an occasional respite from the heat. With humidity levels around 57%, the atmosphere feels a bit more sultry, yet the overall weather remains inviting for visitors seeking to enjoy the coastal charm. September serves as a transitional period, heralding the approach of fall while still retaining the essence of summer. For a deeper dive into the region’s weather patterns, explore San Felipe Climate.