Last updated: April 22, 2025
In September, San Pedro Martir, Mexico, experiences a diverse blend of weather conditions, characterized by a maximum temperature reaching 30°C (86°F) and a more moderate average temperature of 20°C (68°F). The month is marked by a noticeable minimum temperature dipping to 12°C (53°F), providing a comfortable cooling effect. Rainfall is prominent, with a total precipitation amount of 210 mm (8.3 in) spread over 21 days, contributing to an overall humidity level of 84%. These climatic patterns create a unique environment, ideal for nature enthusiasts and those seeking to explore the region's stunning landscapes amid refreshing weather variations.
In September, San Pedro Martir enjoys a pleasant transition into fall, with temperatures reflecting a comfortable range. The minimum temperature hovers around 12°C (53°F), while daily averages settle at a mild 20°C (68°F). As summer begins to fade, the maximum temperature reaches a manageable 30°C (86°F). This month mirrors the preceding late summer months, maintaining a stable warmth that invites outdoor adventures amidst its stunning landscapes. With consistent temperatures that straddle comfort and warmth, September stands out as an ideal time to explore this enchanting Mexican destination.
In September, San Pedro Martir experiences a noteworthy peak in precipitation, receiving a remarkable 210 mm (8.3 in) of rain over 21 days, making it one of the wettest months of the year. This substantial rainfall follows the substantial downpours of August, which recorded 151 mm (6.0 in), suggesting a trend of increasing moisture as summer transitions into fall. Notably, the rainfall starts to taper off in October, where the precipitation declines to 114 mm (4.5 in) despite still featuring several rainy days. This progression illustrates not only the summer's lushness but also sets the stage for the drier months ahead, highlighting the dynamic climate patterns that characterize this coastal region of Mexico.
September in San Pedro Martir, Mexico, marks a return to higher humidity levels, aligning with the trends observed in the preceding months. After a slight dip to 67% in April, the humidity gradually increased through the summer, reaching 80% in August. As the month turns to September, the humidity levels rise again to 84%, echoing the values seen at the year's start and foreshadowing the more humid months ahead. The return to 84% not only signals a shift as the region transitions into fall but also highlights the overall trend of increasing humidity from mid-summer through late autumn, culminating in peaks of 89% by October. This pattern indicates a consistently moist climate, essential for the rich biodiversity in this mountainous region.
In September, San Pedro Martir, Mexico, continues to experience extreme UV Index levels, with a remarkable reading of 14. This trend, consistent with the previous months of June, July, and August, indicates that sun protection is crucial, as the burn time remains a swift 10 minutes. Remarkably, the UV index has remained elevated throughout most of the year, peaking at 15 from March to June, a sharp contrast to the cooler months of January and December, where the UV index dips to 10 and 9, respectively. As the month shifts into autumn, it's vital for residents and visitors alike to remain vigilant about sun exposure. For more detailed insights on the UV levels year-round, visit San Pedro Martir UV Index.
UV Risk Categories
In September, San Pedro Martir basks in a comfortable 260 hours of sunshine, a slight dip from the vibrant summer months but still a delightful contrast to the grayness of other seasons. Following a peak in March with 319 hours, the daylight begins to taper off, yet San Pedro remains a sun-kissed retreat compared to the chilly winters ahead. As the months transition, the consistent pattern of sun hours hints at the region's agreeable climate, making it an ideal destination for outdoor enthusiasts and nature lovers alike. With its radiant streak of September sunshine, it's the perfect time to explore the breathtaking landscapes that this Mexican gem has to offer.
In San Pedro Martir, Mexico, the likelihood of sunny weather experiences a notable decline as September approaches, with only a 14% chance of sunshine. This marks a significant decrease from the preceding months, where February and March enjoy much higher probabilities of clear skies at 84% and 79%, respectively. As the summer months progress, the chances dwindle sharply, culminating in September's bleak outlook. It's a stark contrast to the sunny beginnings of the year, reinforcing the notion that early fall in this remarkable region is less about basking in the sun and more about the onset of the cooler, cloudier seasons.
In San Pedro Martir, Mexico, September marks a transition in daylight duration, offering 12 hours of light each day. Following a summer peak in June with 13 hours, the hours gradually wane as the year progresses. From March through August, daylight remains consistently at 12 hours or more, highlighting the region's stable patter of sunlight during the warmer months. As autumn approaches, daylight begins to taper off, with October and November slipping back to 11 hours. This rhythm of light complements the stunning natural beauty of the area, making September a perfect time to enjoy the outdoors before the shorter days of winter set in.
In September, the winds of San Pedro Martir, Mexico, typically begin to calm, with an average speed of just 1.3 m/s (3 mph). This gentle breeze sets the stage for the transition into autumn, reflecting a broader trend observed from the summer months where gusts have gradually decreased since June’s peak of 1.3 m/s. While earlier summer months experienced slightly breezier conditions, September's soft winds create a serene atmosphere, allowing visitors to fully appreciate the stunning landscapes without the distraction of stronger gusts. As the year progresses into October and November, wind speeds gradually pick up again, but for now, September offers a tranquil respite amidst the natural beauty of the region.
The weather in San Pedro Martir 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 Pedro Martir and find detailed weather information for every month.
In September, the weather is significantly warmer and wetter than in January, with temperatures ranging from a cool 12°C (53°F) at night to a hot 30°C (86°F) during the day, accompanied by an average temperature of 20°C (68°F). This month experiences heavy precipitation, totaling 210 mm (8.3 in) over 21 rainy days, maintaining a constant humidity level of 84%. In contrast, January presents a much cooler climate with a minimum temperature of 3°C (38°F) and an average of 17°C (63°F), while still reaching a maximum of 30°C (87°F). Notably, January is quite dry, featuring only 4 mm (0.2 in) of precipitation over the entire month and no rainy days, with humidity remaining steady at 84%. For more detailed weather information, you can visit San Pedro Martir weather in January.
September and February present a stark contrast in weather patterns. September features a milder temperature range, with minimums around 12°C (53°F) and maximums reaching up to 30°C (86°F), combined with significant rainfall of 210 mm (8.3 in) over 21 days, resulting in a high humidity level of 84%. In contrast, February enjoys warmer average temperatures, with a minimum of 2°C (36°F) and maximums peaking at 32°C (90°F), but it boasts almost no precipitation, recording just 1 mm (0.1 in) and experiencing 0 rainy days. The humidity in February is slightly lower at 80%, making the overall feel drier compared to the wet September climate. For more detailed insights on February weather, check out San Pedro Martir weather in February.
In comparing the weather between September and March, it's clear there's a noticeable difference in both temperature and precipitation patterns. September experiences a more humid climate with average temperatures ranging from a mild 12°C (53°F) to a warm 30°C (86°F), accompanied by significant rainfall of 210 mm (8.3 in) over 21 days. In contrast, March tends to be drier and cooler, with temperatures peaking at 33°C (92°F) but with a lower minimum of 6°C (43°F). Precipitation is minimal in March, with only 9 mm (0.4 in) falling on just 1 day, and the humidity also dips to 73%. For a more detailed look at March weather in the region, you can check San Pedro Martir weather in March.
When comparing the weather in September and April, notable differences emerge. September typically presents milder temperatures, with averages around 20°C (68°F) and highs reaching 30°C (86°F), while April has higher maximum temperatures that can soar to 34°C (93°F), albeit with a similar average of 21°C (70°F). Precipitation levels in September are significantly higher at 210 mm (8.3 in) over 21 days, compared to April's much lighter rainfall of 34 mm (1.3 in) across just 4 days. Additionally, humidity in September remains quite elevated at 84%, while April's humidity is more moderate at 67%. For more detailed insights about the weather in April, you can visit San Pedro Martir weather in April.
When comparing the weather in September and May, notable differences emerge. September sees a moderate temperature range with a minimum of 12°C (53°F) and a maximum of 30°C (86°F), while May offers slightly warmer conditions, with temperatures ranging from 10°C (50°F) to a peak of 35°C (94°F). The humidity in September is significantly higher, averaging 84%, compared to May's 72%, making September feel more sultry. Additionally, September experiences considerable precipitation, with around 210 mm (8.3 in) over 21 days, contrasting sharply with May's much drier climate, which has only 73 mm (2.9 in) over 10 days. For a closer look at specific conditions, you can check San Pedro Martir weather in May.
In comparing the weather between September and June, both months exhibit similar temperature ranges, with minimums around 12°C (53°F to 54°F) and maximums peaking at 30°C (86°F to 87°F). However, September experiences higher humidity at 84% compared to June's more comfortable 73%. Precipitation also differs slightly, with September receiving 210 mm (8.3 in) over 21 days, while June has a bit less at 206 mm (8.1 in) across 20 days. This suggests that September tends to be wetter and more humid than June. For specific details about June weather patterns, you can refer to San Pedro Martir weather in June.
In comparing the weather between September and July, both months exhibit similar average temperatures, with July and September each hovering around 20°C (68°F). However, September tends to be slightly warmer at its maximum, reaching up to 30°C (86°F), compared to July's peak of 30°C (87°F). Notably, September experiences significantly higher precipitation, totaling 210 mm (8.3 in) across 21 days, whereas July sees only 97 mm (3.8 in) over 15 days. Additionally, the humidity in September is greater at 84%, compared to July's 76%. For more detailed insights, refer to San Pedro Martir weather in July.
In September, the weather shows a slight increase in maximum temperature compared to August, with highs reaching 30°C (86°F) versus August's 29°C (85°F). However, both months share the same minimum temperature of 12°C (53°F) and an average temperature of 20°C (68°F). September is notably wetter, receiving 210 mm (8.3 in) of precipitation over 21 days, compared to August's 151 mm (6.0 in) over 20 days. Additionally, humidity rises slightly in September to 84%, up from 80% in August. For more detailed information on weather patterns, you can refer to San Pedro Martir weather in August.
As September transitions into October, the weather experiences a noticeable shift. While September boasts an average temperature of 20°C (68°F) with maximum highs reaching 30°C (86°F), October slightly cools down with an average of 19°C (67°F) and minimum temperatures dipping to 7°C (45°F). Precipitation decreases significantly from 210 mm (8.3 in) over 21 days in September to 114 mm (4.5 in) across just 13 days in October, indicating a drier month ahead. Interestingly, October's humidity remains high at 89%, slightly surpassing September's 84%. For a detailed look at October weather specifics, check out San Pedro Martir weather in October.
September and November present distinct contrasts in weather patterns. In September, temperatures range from a minimum of 12°C (53°F) to a comfortable average of 20°C (68°F), peaking at 30°C (86°F), with relatively high humidity at 84%. However, this month is characterized by significant rainfall, totaling 210 mm (8.3 in) over 21 days, contributing to a muggy atmosphere. In comparison, November experiences cooler temperatures, with a minimum of 6°C (44°F) and an average of 18°C (64°F), while the maximum remains similar at 30°C (87°F). Notably, November sees only 13 mm (0.5 in) of precipitation over just 2 days, leading to a much drier environment despite slightly higher humidity at 88%. For more details on November weather specifics, you can visit San Pedro Martir weather in November.
In comparing the weather between September and December, notable differences emerge. September features warmer temperatures, with averages around 20°C (68°F) and highs reaching 30°C (86°F), alongside significant rainfall of 210 mm (8.3 in) spread over 21 days, resulting in a humidity of 84%. In contrast, December experiences much cooler conditions, with a minimum temperature of 3°C (38°F) and an average of 17°C (63°F), while rainfall is virtually nonexistent, totaling only 7 mm (0.3 in) across no rainy days, although humidity slightly increases to 88%. For more detailed information, you can view San Pedro Martir weather in December.
As September unfolds in San Pedro Martir, it brings a vibrant transition from the drier months, characterized by higher humidity levels and frequent rainfall. The landscape becomes lush as 210 mm of precipitation falls over 21 days, a stark contrast to the more arid conditions found earlier in the year. This month experiences comfortable daytime temperatures, averaging around 20°C, accompanied by cooler nights. For those seeking to understand the distinct characteristics of September's weather in this stunning region, explore more at San Pedro Martir Climate.