September Weather in San Pedro Martir, Mexico

Last updated: April 22, 2025

Experience the September weather of San Pedro Martir, Mexico, where warmth meets moisture in a vibrant climate. Daytime temperatures can soar to a maximum of 36°C (97°F), providing plenty of sunshine, while the average temperature hovers around a comfortable 28°C (82°F). As night falls, expect refreshing evenings with a minimum of 23°C (74°F). However, be prepared for significant precipitation, totaling 320 mm (12.6 in) over 27 days, resulting in a high humidity level of 87%. This mix of warmth and wetness creates a lush environment, perfect for nature lovers and adventurers alike.

September Temperature in San Pedro Martir

September in San Pedro Martir, Mexico, showcases a delightful climate as summer transitions to autumn. With minimum temperatures averaging 23°C (74°F) and daytime highs reaching up to 36°C (97°F), the month reflects a warm yet comfortable atmosphere, ideal for outdoor exploration. The average temperature settles around 28°C (82°F), maintaining a pleasant feel for both locals and visitors. As September unfolds, temperatures begin to slightly cool compared to the preceding months, hinting at the upcoming shift in seasons while still offering plenty of sunny days for adventurers and nature enthusiasts alike. Overall, it's a perfect time to enjoy the beauty of San Pedro Martir while basking in its charming warmth.

September Weather in San Pedro Martir: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Pedro Martir, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec747678828583838282817775
Data source: Temperature data for San Pedro Martir 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 San Pedro Martir

September is a notable month for precipitation in San Pedro Martir, Mexico, as it experiences substantial rainfall, measuring 320 mm (12.6 in) across 27 days of precipitation. This exceptional amount follows August's peak of 337 mm (13.3 in), indicating a robust rainy season that typically reaches its zenith during late summer and early fall. As the region transitions towards October, the precipitation volume decreases to 270 mm (10.6 in), but September stands out for its high rainfall, highlighting the overall trend of increasing moisture in the months leading up to the dry season. The steady presence of rain not only underscores the climatic patterns of the area but also nourishes the local ecosystem, making it a vital time for both flora and fauna.

September Precipitation Trends in San Pedro Martir

The chart displays monthly precipitation patterns in San Pedro Martir, 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.
JanFebMarAprMayJunJulAugSepOctNovDec794026256425425033732027015167
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Pedro Martir

September in San Pedro Mártir, Mexico, mirrors the humidity levels of August, both reaching a notable 87%. This high humidity can be attributed to the lingering warmth of summer, creating a feeling of heaviness in the air as the region transitions into autumn. The trend from mid-year shows a steady increase in humidity, peaking during the late summer and early fall months. Notably, as the calendar approaches October, humidity slightly rises to 88%, maintaining the trend of elevated moisture levels that persists through the end of the year. Overall, September signifies a moment of climatic continuity in a landscape marked by shifts in temperature and moisture throughout the year.

September Average Humidity in San Pedro Martir

This chart illustrates the average monthly humidity levels in San Pedro Martir, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Pedro Martir

In September, the UV Index in San Pedro Martir, Mexico, reaches a notable 13, classifying it within the extreme exposure category. This marks a continuation of the high levels observed throughout the summer months, reflecting an enduring intensity that requires caution. With a rapid burn time of just 10 minutes, it is essential to take protective measures such as sunscreen and proper clothing to avoid skin damage. As the month progresses towards October, the Index does show a slight decrease, transitioning back to an extreme level of 11. This trend highlights the region's persistent sun exposure, emphasizing the importance of awareness and preparedness. For more detailed information on the UV Index, visit San Pedro Martir UV Index.

Maximum UV Index Levels in San Pedro Martir for September

The chart shows the monthly maximum UV Index (UVI) for San Pedro Martir 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.
JanFebMarAprMayJunJulAugSepOctNovDec911121313131312131198
Data source: San Pedro Martir 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 San Pedro Martir

As summer transitions into fall, September in San Pedro Martir, Mexico, still showcases a respectable 276 hours of sunshine, maintaining the region's reputation for abundant daylight. While this marks a slight decrease from the peak of 325 hours in May and 306 hours in April, it continues a trend of robust sunlight that characterizes the late summer months. This lingering warmth encourages outdoor pursuits and enjoying the stunning natural landscapes, even as the days gradually shorten. The sunshine in September remains noticeably more generous than the winter months, underscoring San Pedro Martir’s appeal as a year-round destination for sun-seekers and nature lovers alike.

Monthly Sunshine Duration in San Pedro Martir: September Highlighted

The September sunshine duration represents the total number of hours San Pedro Martir 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.
JanFebMarAprMayJunJulAugSepOctNovDec190h247h294h306h325h281h303h297h276h264h257h247h
Data source: San Pedro Martir September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Pedro Martir During September

In September, the likelihood of sunny weather in San Pedro Martir, Mexico dips to a modest 15%, marking one of the lowest probabilities of sunshine for the year. Following the typically sunnier months of March through May, where sunny days peak, the arrival of September signifies a transition towards gloomier conditions, echoing the patterns seen in the preceding months of June and August, both with similarly low chances of sunshine. As summer gives way to autumn, this trend highlights the shifting climate, making September a time when visitors might want to prepare for more overcast skies rather than basking in brilliant sunlight.

Percentage of Sunny Days in September in San Pedro Martir

The chart illustrates the percentage of sunny days in San Pedro Martir 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 San Pedro Martir experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%62%66%61%42%15%33%26%15%37%49%62%
Data source: San Pedro Martir September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Pedro Martir in September

As September rolls in, San Pedro Martir enjoys a balanced 12 hours of daylight, marking a gradual transition towards shorter days. The summer months of June and July peak with 13 hours, providing ample sunlight for visitors and nature to thrive. However, as the vibrant hues of autumn approach, daylight begins to wane, reminding us of the cyclical nature of time and seasons. Interestingly, from March to August, daylight remains rich and abundant, while the fall months of October and November return to the 11-hour mark, mirroring the 10 consistent hours seen in January and February. This harmonious ebb and flow of sunlight not only shapes the landscape but also enriches the experience of those exploring this breathtaking region.

Average Daylight Hours in San Pedro Martir for September

The chart illustrates the variation in daylight duration in San Pedro Martir throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 33m12h 2m12h 33m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: San Pedro Martir daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in San Pedro Martir

The September wind in San Pedro Martir, Mexico, typically sees a gentle breeze, with an average speed of 2.0 m/s (5 mph), marking a notable dip from the earlier months of the year. As summer transitions into autumn, the winds slow down significantly—this month reflects the calmest period since June, which also recorded the lowest wind speeds. The trend throughout the year demonstrates a gradual increase in wind activity from January through March, peaking at 3.6 m/s (8 mph) in March, before settling into a more relaxed rhythm as summer takes hold. September's moderation is a precursor to the slightly more invigorating conditions that return in October and November, suggesting a shift in seasonal dynamics as the region gears up for the cooler months ahead.

Average September Wind Speed in San Pedro Martir

The chart displays monthly wind speed patterns in San Pedro Martir, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.03.63.33.02.02.72.42.0 m/s2.42.72.6
Data source: San Pedro Martir September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in San Pedro Martir Compares to Other Months

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.

September and January present contrasting weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (97°F), with an average of 28°C (82°F). The month is characterized by high humidity at 87% and significant rainfall, totaling 320 mm (12.6 in) across 27 days. In stark contrast, January offers cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 34°C (93°F), averaging at 23°C (74°F). Rainfall is considerably lower at 79 mm (3.1 in) over just 12 days, accompanied by a slightly lower humidity of 83%. For more detailed information on the January weather, visit San Pedro Martir weather in January.

When comparing the weather in September and February, notable differences emerge. September features warmer temperatures, with a minimum of 23°C (74°F) and average highs reaching up to 36°C (97°F), compared to February's cooler minimum of 15°C (59°F) and an average high of 35°C (94°F). Additionally, September experiences significantly more rainfall, with 320 mm (12.6 in) over 27 days, while February sees only 40 mm (1.6 in) across 8 days. The humidity also remains higher in September at 87%, contrasting with February's 76%. For a more detailed look at February's climate, you can visit San Pedro Martir weather in February.

In comparing the weather between September and March, one can observe significant differences. September boasts warmer temperatures, with a minimum of 23°C (74°F) and an average around 28°C (82°F), reaching highs of 36°C (97°F). However, it also experiences substantial rainfall, with 320 mm (12.6 in) distributed over 27 days, resulting in high humidity levels of 87%. In contrast, March presents a milder climate, featuring a lower minimum temperature of 17°C (62°F) and a comfortable average of 26°C (78°F), peaking at 37°C (98°F). Rainfall is minimal in March, with only 26 mm (1.0 in) over 6 days and significantly lower humidity at 66%. For more detailed insights, you can check the San Pedro Martir weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (97°F), with an average temperature of 28°C (82°F). This month is characterized by high humidity at 87% and significant rainfall, totaling 320 mm (12.6 in) over 27 days. In contrast, April experiences slightly cooler morning temperatures at a minimum of 19°C (67°F), while still reaching an impressive maximum of 39°C (102°F) with the same average of 28°C (82°F). However, April boasts much lower precipitation, with only 25 mm (1.0 in) occurring over just 5 days and a humidity level of 59%. For more detailed insights, check out San Pedro Martir weather in April.

September and May present distinctly different weather patterns. While September showcases warmer temperatures with an average high of 36°C (97°F) and a notable minimum of 23°C (74°F), it is also characterized by high humidity at 87% and substantial rainfall, accumulating 320 mm (12.6 in) over 27 days. In contrast, May offers slightly cooler temperatures, averaging 29°C (85°F) with a maximum of 39°C (103°F), but it features significantly lower humidity at 64% and reduced precipitation, totaling just 64 mm (2.5 in) over 12 days. For more details on May's climate, you can check San Pedro Martir weather in May.

In comparing the weather of September and June, we find that both months experience warm temperatures, with September showing a minimum of 23°C (74°F) and an average of 28°C (82°F), while June has a slightly higher average of 29°C (84°F) and a maximum reaching 38°C (100°F). September is noticeably wetter, with a staggering 320 mm (12.6 in) of precipitation over 27 days, compared to June's 254 mm (10.0 in) over 23 days. Additionally, September's humidity is significantly higher at 87%, in contrast to June's more comfortable 69%. For more specifics about June weather, you can check San Pedro Martir weather in June.

When comparing the weather in September and July, both months share similar average temperatures, with September slightly warmer at an average of 28°C (82°F) compared to July’s 28°C (83°F). However, September experiences considerably more precipitation, totaling 320 mm (12.6 in) over 27 days, while July sees only 250 mm (9.8 in) over 26 days. Additionally, September has a higher humidity level at 87%, compared to July's 82%. These factors make September feel more humid and wetter than its July counterpart. For more detailed insights, you can check San Pedro Martir weather in July.

In comparing the weather of September and August, both months exhibit similar temperature ranges, with September slightly warmer, featuring a maximum of 36°C (97°F) compared to August's 35°C (96°F). The average temperatures remain consistent, hovering around 28°C (82°F) in September and 28°C (83°F) in August. However, September experiences a marginally lower total precipitation of 320 mm (12.6 in) over 27 days, while August sees a slightly higher rainfall of 337 mm (13.3 in) across the same number of days. Humidity levels remain constant at 87% for both months, contributing to a sultry atmosphere. For more details on August weather, you can visit San Pedro Martir weather in August.

In comparing the weather patterns of September and October, September tends to be slightly warmer with average temperatures reaching up to 28°C (82°F) and maximums hitting 36°C (97°F). In contrast, October sees a slight decrease, with average temperatures dropping to 27°C (81°F) and maximums at 35°C (95°F). Precipitation levels also decrease from 320 mm (12.6 in) in September to 270 mm (10.6 in) in October, though the number of rainy days remains relatively high at 23. Humidity is notable in both months, slightly increasing from 87% in September to 88% in October. For more detailed information on October's weather, you can check San Pedro Martir weather in October.

In September, the weather is notably warmer with minimum temperatures around 23°C (74°F) and average highs reaching up to 36°C (97°F). This month also experiences significant rainfall, averaging 320 mm (12.6 in) across 27 days, contributing to a high humidity of 87%. In contrast, November brings cooler temperatures, with minimums dropping to 18°C (64°F) and average highs at 33°C (92°F). Precipitation decreases to 151 mm (5.9 in) over 17 days, while humidity remains slightly higher at 88%. For more details on the specifics of November weather, you can refer to San Pedro Martir weather in November.

In September, temperatures soar with minimums around 23°C (74°F) and maximums reaching up to 36°C (97°F), making the month quite warm and humid, with an average of 28°C (82°F). The heavy rainfall adds to the discomfort, as September experiences significant precipitation of 320 mm (12.6 in) spread over 27 days and humidity levels hovering around 87%. In contrast, December brings a noticeable drop in temperatures, with a minimum of 16°C (62°F) and an average of 24°C (75°F), peaking at 33°C (92°F). The month is much drier, with only 67 mm (2.6 in) of rain over 14 days, while humidity remains high at 88%. For more details on December conditions, you can check San Pedro Martir weather in December.

Compare San Pedro Martir's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in San Pedro Martir

September in San Pedro Martir stands out with its distinct weather patterns, marked by a blend of warmth and considerable rainfall. Unlike the dryer summer months, September brings heightened humidity and a substantial increase in precipitation, contributing to the lush landscape that defines this region. The temperatures remain moderately high, but the frequent showers can make the atmosphere feel more humid and vibrant. As you explore the beauty of San Pedro Martir during this month, you may experience the refreshing scent of rain mingling with the warm air, offering a unique climate experience. For a deeper understanding of the weather variations throughout the year, check out San Pedro Martir Climate.