September Weather in San Francisco la Paz, Mexico

Last updated: April 22, 2025

September in La Paz, Mexico, offers a vibrant climate characterized by warm temperatures and ample rainfall. The month sees a maximum temperature peaking at 34°C (93°F) and an average of 23°C (74°F), providing a comfortable environment for outdoor activities. However, this warmth is accompanied by elevated humidity levels at 87%, enhancing the tropical feel. Rainfall is significant, with 420 mm (16.5 in) of precipitation spread across 27 days, contributing to the lush landscape. Travelers can expect a mix of sunny days and sporadic showers, making September a dynamic time to explore the beauty of La Paz.

September Temperature in San Francisco la Paz

In September, temperatures in San Francisco la Paz, Mexico show a comfortable transition as summer begins to wane. With minimums averaging 19°C (66°F) and maximums reaching up to 34°C (93°F), the weather is still warm but begins to cool slightly compared to the peak heat of August. The average temperature settles around 23°C (74°F), perfectly suited for outdoor activities and exploration. This month embodies a delightful blend of warmth and moderate temperatures, making it an ideal time for visitors to enjoy the vibrant local culture and stunning landscapes without the intense summer heat. As daylight hours start to shorten, the pleasant evenings provide a perfect backdrop for relaxation and enjoyment under the starry skies.

September Weather in San Francisco la Paz: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Francisco la Paz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec656870747775747474736866
Data source: Temperature data for San Francisco la Paz 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 Francisco la Paz

September in La Paz, Mexico, marks a notable peak in precipitation, with 420 mm (16.5 in) of rain, making it one of the wettest months of the year. This surge is not just a random occurrence; it continues a trend established by the summer months, with increased rainfall observed from June through August. As the rainy season reaches its climax, the 27 rainy days in September indicate a persistent pattern of wet weather, blending with the tail end of summer's warmth. The data clearly illustrates how September serves as a bridge to the heavier rains of October, which brings an even more substantial 538 mm (21.2 in). This cycle of climatic intensity highlights La Paz's seasonal transition, emphasizing the dramatic shift from the arid months that define early in the year to the lush, vibrant landscape nurtured by the fall rains.

September Precipitation Trends in San Francisco la Paz

The chart displays monthly precipitation patterns in San Francisco la Paz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec334243222112159392297323420538437330
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Francisco la Paz

September in La Paz, Mexico, marks a peak in humidity, mirroring August’s high of 87%. This month rounds out the summer season, reflecting a trend where humidity experiences noticeable fluctuations throughout the year. After gradually decreasing from 83% in January to a low of 59% in April, levels begin to creep up again during the summer months, culminating in this high humidity. As fall approaches, humidity remains elevated, with October through December also recording levels of 88%, suggesting a sustained dampness that characterizes the region. This cyclical pattern of humidity underscores the importance of adapting to varied moisture levels in La Paz's climate.

September Average Humidity in San Francisco la Paz

This chart illustrates the average monthly humidity levels in San Francisco la Paz, 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 Francisco la Paz

In September, San Francisco la Paz, Mexico, continues to experience a notably high UV Index of 13, categorizing it as extreme with a burn time of just 10 minutes. This trend marks a slight decrease from the peak levels seen in the summer months, yet it remains essential for sun safety awareness, as the extreme exposure risks persist. The UV Index has consistently hovered around this elevated level from late spring through early autumn, emphasizing the need for protective measures. As we transition into the fall, conditions remain critical, so remember to stay sun-smart! For more information, visit the San Francisco la Paz UV Index.

Maximum UV Index Levels in San Francisco la Paz for September

The chart shows the monthly maximum UV Index (UVI) for San Francisco la Paz 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.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141414131312108
Data source: San Francisco la Paz 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 Francisco la Paz

As September rolls into La Paz, Mexico, residents and visitors alike can bask in a delightful 252 hours of sunshine. While this marks a slight dip from the vibrant highs of May and June, which offered 316 and 300 hours respectively, it remains a significant embrace of sunlight before the cooler autumn months take center stage. The trend reveals a gradual increase in brightness from the beginning of the year, peaking in late spring, after which sunshine hours fluctuate moderately, with September still holding its own against the backdrop of the fading summer days. The warmth and light of this coastal haven create an inviting atmosphere perfect for outdoor adventures and relaxation, making it a cherished time to enjoy the lingering rays before they gradually retreat in the approaching months.

Monthly Sunshine Duration in San Francisco la Paz: September Highlighted

The September sunshine duration represents the total number of hours San Francisco la Paz 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h248h294h300h316h257h290h273h252h253h256h255h
Data source: San Francisco la Paz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Francisco la Paz During September

As September rolls in, the likelihood of sunny weather in San Francisco La Paz, Mexico, remains quite low, with just a 12% chance of sunshine. This trend fits within a broader pattern observed from June through August, where the chances of clear skies dip significantly, reaching the low point of the year. The gradual shift back to brighter days begins in October, when sunny possibilities increase to 31%. Thus, if you're hoping to bask in the sun this September, be prepared for the likelihood of clouds rather than clear blue skies.

Percentage of Sunny Days in September in San Francisco la Paz

The chart illustrates the percentage of sunny days in San Francisco la Paz 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 Francisco la Paz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%56%47%46%24%12%12%12%12%31%21%41%
Data source: San Francisco la Paz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Francisco la Paz in September

In La Paz, Mexico, September marks the transition from the vibrant summer months into the cooler fall season, with the daylight duration stabilizing at 12 hours. This consistent daylight pattern follows a gradual increase from 11 hours in the depths of winter through the longer, sun-soaked days of summer that peak at 13 hours in June and July. As autumn approaches, daylight begins to taper off again, but September holds onto the warmth and brightness of summer, making it an ideal time for outdoor activities as the days remain pleasantly long. The rhythmic shift in daylight hours reflects the beauty of seasonal change, inviting locals and visitors alike to bask in the idyllic balance of sun and shade.

Average Daylight Hours in San Francisco la Paz for September

The chart illustrates the variation in daylight duration in San Francisco la Paz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 13m11h 34m12h 2m12h 31m12h 55m13h 7m13h12h 39m12h 11m11h 43m11h 18m11h 6m
Data source: San Francisco la Paz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in San Francisco la Paz

In La Paz, Mexico, the September breeze is gentle, with an average wind speed of 1.4 m/s (3 mph), reflecting a slight dip from the summer months. This trend of diminishing winds is consistent as the year progresses, with the peak wind speeds trailing off after the spring swell. Notably, after reaching an average of 2.5 m/s (6 mph) in April, winds steadily decline, presenting a calm transition into the fall. Interestingly, while September maintains its serene atmosphere, the winds often pick up slightly again in October, hinting at seasonal shifts. Overall, the September winds in La Paz offer a tranquil backdrop, inviting residents and visitors alike to embrace the warm coastal climate.

Average September Wind Speed in San Francisco la Paz

The chart displays monthly wind speed patterns in San Francisco la Paz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.22.42.51.91.21.51.31.4 m/s1.62.01.8
Data source: San Francisco la Paz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in San Francisco la Paz Compares to Other Months

The weather in San Francisco la Paz 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 Francisco la Paz and find detailed weather information for every month.

September and January exhibit distinct weather patterns, reflective of their positions in the year. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 34°C (93°F), with an average of 23°C (74°F). The month is characterized by high humidity at 87% and significant precipitation, totaling 420 mm (16.5 in) over 27 days. In contrast, January presents a cooler climate, with temperatures varying from a minimum of 10°C (50°F) to a maximum of 31°C (88°F) and an average of 19°C (66°F). While January experiences lower humidity at 83% and less precipitation, amounting to 334 mm (13.2 in) over just 17 days, the overall feel is much cooler and drier compared to the sweltering and humid September. For more detailed weather information, check San Francisco la Paz weather in January.

When comparing the weather in September and February, significant differences can be observed. September typically sees warmer temperatures, with a minimum of 19°C (66°F) and an average of 23°C (74°F), while February is much cooler, with a minimum of 9°C (49°F) and an average of 20°C (68°F). Precipitation is more abundant in September, averaging 420 mm (16.5 in) over 27 days compared to February's 243 mm (9.6 in) across 15 days. Additionally, humidity levels are higher in September at 87%, while February has a more comfortable 76%. For more detailed information about February weather specifically, you can visit San Francisco la Paz weather in February.

In September, the weather is generally warmer and more humid, with average temperatures ranging from a comfortable 23°C (74°F) to a scorching maximum of 34°C (93°F). However, this month also sees significant rainfall, with 420 mm (16.5 in) of precipitation spread over 27 days, resulting in humidity levels around 87%. In contrast, March offers milder conditions, with average temperatures peaking at 21°C (70°F) and a maximum of 33°C (91°F). Precipitation is reduced to 222 mm (8.8 in) over 16 days, leading to a lower humidity of 66%. For more detailed weather comparisons, you can visit San Francisco la Paz weather in March.

September and April display distinct weather patterns, offering a contrast in both temperature and precipitation. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 34°C (93°F), with an average temperature of 23°C (74°F). This month also sees significantly more rainfall, with 420 mm (16.5 in) spread over 27 days, and a high humidity level of 87%. In contrast, April features slightly cooler temperatures, with a minimum of 14°C (57°F) and a maximum reaching 34°C (94°F), maintaining the same average of 23°C (74°F). However, it boasts much lower precipitation at 112 mm (4.4 in) across just 13 days and a humidity level of 59%. For a deeper understanding of the April climate, you can check San Francisco la Paz weather in April.

In comparing the weather of September and May, September tends to be warmer and more humid, with average temperatures around 23°C (74°F) and highs reaching up to 34°C (93°F). The month also experiences significant rainfall, with about 420 mm (16.5 in) spread over 27 days, resulting in a humidity level of 87%. In contrast, May offers a slightly cooler climate, featuring average temperatures of 25°C (77°F) and maximums hitting 35°C (95°F). However, it is much drier, with only 159 mm (6.3 in) of precipitation over 19 days and a lower humidity level of 64%. For more details on May's climate, you can check this link: San Francisco la Paz weather in May.

In comparing the weather between September and June, both months experience similar maximum temperatures, with June slightly edging out at 34°C (94°F) compared to September's 34°C (93°F). However, September tends to be more humid, sitting at 87% compared to June's 69%, which can make the heat feel more intense. Despite having a comparable average temperature, September sees more rainfall, with 420 mm across 27 rainy days, while June records 392 mm over 25 days. For a detailed overview of June weather in a specific location, you can visit San Francisco la Paz weather in June.

When comparing the weather in September to that of July, we see some notable differences. September tends to be slightly warmer, with average temperatures around 23°C (74°F), similar to July, but it reaches a higher maximum of 34°C (93°F) compared to July's 32°C (90°F). Additionally, September experiences significantly more precipitation, totaling 420 mm (16.5 in) over 27 rainy days, versus July's 297 mm (11.7 in) over 29 days. The humidity is also higher in September at 87%, compared to 82% in July. For more detailed insights into July weather, you can visit San Francisco la Paz weather in July.

In comparing the weather between September and August, both months experience similar minimum temperatures of 19°C (66°F) and humidity levels at 87%. However, September tends to be slightly warmer on average, with a peak of 34°C (93°F) compared to August's maximum of 32°C (90°F). Precipitation is significantly higher in September, totaling 420 mm (16.5 in) across 27 days, while August sees 323 mm (12.7 in) over 28 days. For more details on the weather in August, you can check the link: San Francisco la Paz weather in August.

September and October weather in San Francisco La Paz exhibit some similarities, yet notable differences. Both months average around 23°C (73°F), but September tends to have slightly warmer temperatures, with a maximum of 34°C (93°F) compared to October’s peak of 33°C (91°F). In terms of precipitation, October is slightly wetter, receiving 538 mm (21.2 in) over 26 days, while September has 420 mm (16.5 in) across 27 days. Humidity remains high in both months, with October showing a marginal increase to 88% from September's 87%. For a detailed look at October weather, check out San Francisco la Paz weather in October.

September and November exhibit notable differences in weather conditions. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 34°C (93°F), with an average temperature of 23°C (74°F). The month is characterized by high humidity at 87% and considerable precipitation of 420 mm (16.5 in) spread over 27 days. In contrast, November experiences cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 31°C (88°F), averaging at 20°C (69°F). Despite having slightly higher precipitation levels at 437 mm (17.2 in) over 21 days, humidity remains comparable at 88%. To explore more about the weather in November, check out San Francisco la Paz weather in November.

The weather in September is characterized by significantly warmer temperatures, with a minimum of 19°C (66°F) and an average high of 34°C (93°F), compared to December, where the temperatures drop to a minimum of 9°C (49°F) and an average high of 31°C (88°F). September also sees higher precipitation levels, with 420 mm (16.5 in) spread over 27 days, while December experiences a lower total of 330 mm (13.0 in) across only 20 days. Despite these differences in temperature and rainfall, humidity remains relatively consistent, with September at 87% and December slightly higher at 88%. For a detailed look at December weather, check out San Francisco la Paz weather in December.

Compare San Francisco la Paz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in San Francisco la Paz

As September unfolds in San Francisco La Paz, it brings a notable shift in weather dynamics compared to the preceding months. The temperatures remain warm, hovering around a comfortable average of 23°C, but the humidity escalates to a sticky 87%, making it feel more intense. This month is particularly characterized by its significant precipitation, with a staggering 420 mm spread over 27 days, marking a departure from the drier spell of summer. This combination of warmth and moisture creates a lush atmosphere, perfect for enjoying the vibrant landscapes while also preparing for those frequent rain showers. For a deeper dive into the climate characteristics of this enchanting locale, check out San Francisco la Paz Climate.