September Weather in Los Arcos, Mexico

Last updated: April 22, 2025

September in Los Arcos, Mexico is marked by mild temperatures and significant rainfall. With a maximum temperature reaching 26°C (78°F) and an average of 17°C (62°F), the climate remains comfortable yet cool, especially during the evenings when it can drop to a minimum of 6°C (44°F). This month sees an average precipitation of 212 mm (8.3 in), spanning approximately 24 rainy days, contributing to a humidity level of 84%. Travelers should prepare for a lush, vibrant landscape and embrace the refreshing, albeit wet, weather that characterizes this enchanting region in September.

September Temperature in Los Arcos

In September, Los Arcos, Mexico transitions into cooler temperatures as summer begins to wane. With low temperatures averaging 6°C (44°F) and highs reaching 26°C (78°F), the weather is comfortably mild, making it an inviting time for outdoor activities. The average temperature holds steady at 17°C (62°F), similar to the preceding months, indicating a gradual decline from the heat of summer. As the month progresses, residents and visitors alike can enjoy pleasant days and cooler nights, creating a refreshing ambiance that sets the stage for the autumn season ahead. This change in climate, combined with the beautiful landscapes, enhances the allure of Los Arcos during September.

September Weather in Los Arcos: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Los Arcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535659636563626362605653
Data source: Temperature data for Los Arcos 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 Los Arcos

In September, Los Arcos experiences a significant surge in precipitation, with 212 mm (8.3 in) falling over just 24 days. This marks the end of the wet season, following a series of increasingly wetter months, including August's record of 189 mm (7.4 in). The rainfall not only supports lush vegetation but also signifies that September is one of the rainiest months of the year. This trend showcases the region’s transition from the peak of the wet season in June and July to the gradual tapering in October, where precipitation drops to 163 mm (6.4 in). As summer gives way to fall, these rainfalls play a crucial role in replenishing local water sources and fostering the vibrant ecosystem characteristic of this charming Mexican locale.

September Precipitation Trends in Los Arcos

The chart displays monthly precipitation patterns in Los Arcos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec26254057871871451892121635118
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Los Arcos

In September, humidity in Los Arcos, Mexico, settles at a comfortable 84%, marking a slight increase from the drier months of July and August, which hovered around 72% and 74%, respectively. This uptick indicates a shift toward the wetter months ahead, particularly as October looms with its significantly higher 92% humidity. Overall, the city's humidity trends throughout the year reveal a distinct pattern: after reaching the apex of 88% in January, levels gradually decline to their yearly low in July, before embarking on a steady climb back up to the humid heights of late fall. Such fluctuations contribute to Los Arcos’ lush landscapes and vibrant ecosystems, making it a unique destination throughout the seasons.

September Average Humidity in Los Arcos

This chart illustrates the average monthly humidity levels in Los Arcos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Los Arcos

In September, the UV Index in Los Arcos, Mexico, stands at 13, maintaining its place within the extreme exposure category. This marks a slight decrease from the peak of 14 observed throughout the summer months, yet it still indicates a significant risk for unprotected skin, with a burn time of only 10 minutes. As the season transitions into fall, visitors and locals alike should remain vigilant, employing protective measures to mitigate the sun's potent rays. This trend showcases how the UV Index remains consistently high year-round in Los Arcos, emphasizing the need for sun safety. For more insight into the UV levels, check out Los Arcos UV Index.

Maximum UV Index Levels in Los Arcos for September

The chart shows the monthly maximum UV Index (UVI) for Los Arcos 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.
JanFebMarAprMayJunJulAugSepOctNovDec811131414141414131298
Data source: Los Arcos 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 Los Arcos

September in Los Arcos, Mexico, continues the sunny streak with an impressive 265 hours of sunshine, perfectly encapsulating the transitional month as it shifts from the vibrant summer. Although September sees a decrease from the peak of 319 hours in May, it still offers a rich tapestry of bright days, contributing to a remarkable average of over 250 hours throughout the year. This slight dip follows a summer of abundant sunshine but is significantly more radiant than the winter months, where sunshine drops to around 206 hours in January. As autumn begins to unfurl its colors, Los Arcos remains a delightful destination for sun-seekers, ensuring visitors soak up the last glorious rays before the cooler months set in.

Monthly Sunshine Duration in Los Arcos: September Highlighted

The September sunshine duration represents the total number of hours Los Arcos 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.
JanFebMarAprMayJunJulAugSepOctNovDec206h246h290h297h319h284h307h298h265h254h245h263h
Data source: Los Arcos September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Los Arcos During September

As September rolls in, the likelihood of sunny weather in Los Arcos, Mexico, diminishes significantly, with only a 12% chance of sunshine. This stark drop follows a summer characterized by intensely low probabilities of clear skies, averaging just 10-19% from June to August. The trend highlights a transition from a slightly sunnier spring, where March boasts a more promising 65%, to the rather gloomy prospects of early fall. As the rainy season peaks, visitors should brace for cloudier days, making it a perfect time for indoor activities or savoring the unique local culture, rather than relying on the sun for a beach getaway.

Percentage of Sunny Days in September in Los Arcos

The chart illustrates the percentage of sunny days in Los Arcos 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 Los Arcos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%71%65%48%36%10%13%19%12%27%31%63%
Data source: Los Arcos September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Los Arcos in September

In Los Arcos, Mexico, September offers a delightful blend of warmth and light, concluding a vibrant summer with around 12 hours of daylight. This month marks a transition from the longer days of June, July, and August, which feature a peak of 13 hours. As daylight begins to diminish gradually, September retains a comfortable length of sunshine, setting the stage for the shorter days of fall. Following this trend, daylight dips to 11 hours in October and continues to fade into winter, echoing the seasonal shift. The overall pattern highlights a rhythm of light that varies throughout the year, offering residents and visitors alike a chance to savor the lingering days of summer before the cooler months arrive.

Average Daylight Hours in Los Arcos for September

The chart illustrates the variation in daylight duration in Los Arcos throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 3m11h 28m12h 2m12h 36m13h 5m13h 19m13h 11m12h 46m12h 13m11h 38m11h 9m10h 55m
Data source: Los Arcos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Los Arcos

As September rolls into Los Arcos, Mexico, the gentle caress of the September wind brings a sense of transition, with average wind speeds dipping to 1.5 m/s (3 mph). This slight decrease follows a pattern seen throughout the summer, where winds reached a consistent 1.7 to 1.8 m/s (4 mph) in the preceding months. The summer breeze, characterized by its warmth, begins to soften, setting the stage for the cooler autumn air to arrive. While September's wind may whisper softly, it's a reminder of the shifting seasons, as the landscape around Los Arcos breathes in the gentle change, paving the way for the breezier days ahead in October.

Average September Wind Speed in Los Arcos

The chart displays monthly wind speed patterns in Los Arcos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.92.01.91.81.51.71.81.5 m/s1.61.61.6
Data source: Los Arcos September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Los Arcos Compares to Other Months

The weather in Los Arcos 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 Los Arcos and find detailed weather information for every month.

In September, the weather is generally milder with average temperatures ranging from a minimum of 6°C (44°F) to a comfortable maximum of 26°C (78°F). The month experiences significant rainfall, totaling 212 mm (8.3 in) over 24 days, contributing to a high humidity level of 84%. In contrast, January presents a starkly different climate, with cooler temperatures that drop to a minimum of -1°C (30°F) and an average of 11°C (53°F), though it can still reach up to 27°C (80°F) on warmer days. January is drier, with only 26 mm (1.0 in) of precipitation over just 5 days, and a slightly higher humidity of 88%. For more detailed insights into January weather, check out Los Arcos weather in January.

In comparing the weather of September and February, September typically showcases milder temperatures, with a range from 6°C (44°F) to a pleasant 26°C (78°F) and an average of 17°C (62°F). However, it also brings significant rainfall, with 212 mm (8.3 in) of precipitation over 24 days, resulting in high humidity levels at 84%. In contrast, February experiences cooler temperatures, ranging from a minimum of 1°C (34°F) to a maximum of 30°C (86°F), with an average of 13°C (57°F). Notably, February has far less rainfall, receiving only 25 mm (1.0 in) across just 7 days while maintaining relatively high humidity at 86%. For more detailed insights, check the weather conditions in Los Arcos weather in February.

In comparing the weather of September and March, noticeable differences emerge. September boasts a more temperate range with minimum temperatures of 6°C (44°F) and maximums reaching 26°C (78°F), while March experiences slightly cooler nights at 2°C (36°F) but can peak at a warm 30°C (87°F) during the day. Precipitation in September is significantly higher at 212 mm (8.3 in) over 24 days, compared to just 40 mm (1.6 in) across 8 days in March, leading to a drier atmosphere in the latter month. Humidity levels are relatively similar, with September at 84% and March slightly lower at 83%. For a detailed overview of March's weather, you can check out Los Arcos weather in March.

When comparing the weather in September and April, several key differences emerge. September typically experiences a slightly higher average temperature of 17°C (62°F), with maximums reaching up to 26°C (78°F). However, it also brings significantly more precipitation, averaging 212 mm (8.3 in) over 24 days, contributing to a humidity level of 84%. In contrast, April has a similar average temperature of 17°C (63°F) but can reach as high as 31°C (88°F), making it generally warmer, especially on the hotter days. Furthermore, April sees much less rainfall, with only 57 mm (2.2 in) over 14 days and a lower humidity of 80%. For more specific information about April weather, you can visit Los Arcos weather in April.

When comparing the weather in September and May, September tends to be cooler and wetter. In September, temperatures range from a minimum of 6°C (44°F) to a maximum of 26°C (78°F), with an average temperature of 17°C (62°F). The month sees significant rainfall, totaling 212 mm (8.3 in) across 24 days, and a high humidity level of 84%. In contrast, May is warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), and an average of 18°C (65°F). It experiences much less precipitation at 87 mm (3.4 in) over 17 days, along with slightly lower humidity at 82%. For more details, you can check out Los Arcos weather in May.

In comparing the weather between September and June, we observe a few notable differences. September generally experiences a wider range of temperatures, with a minimum of 6°C (44°F) and a maximum of 26°C (78°F), while June starts slightly warmer with a minimum of 8°C (47°F) and peaks at 29°C (84°F). Additionally, September tends to be wetter, receiving 212 mm (8.3 in) of precipitation over 24 days compared to June's 187 mm (7.4 in) over the same number of days. Humidity levels are also higher in September at 84%, compared to June's 79%. For more detailed weather information about June, you can check Los Arcos weather in June.

In comparison to July, September typically experiences cooler nights with a minimum temperature of 6°C (44°F) versus July's 9°C (49°F). However, both months share similar average maximum temperatures, with September reaching 26°C (78°F) and July peaking at 25°C (78°F). One notable difference is the higher precipitation in September, with 212 mm (8.3 in) over 24 days, compared to July's 145 mm (5.7 in) over 26 days, indicating a wetter climate as summer transitions to fall. Additionally, September has a higher humidity level at 84%, compared to July's 72%, making the air feel more damp during the former month. For a closer look at July's weather patterns, check out Los Arcos weather in July.

In comparing the weather between September and August, we see some notable differences. September experiences a slightly cooler minimum temperature of 6°C (44°F) compared to August's minimum of 8°C (46°F), while both months share a similar average temperature of around 17°C (63°F). However, September is characterized by more precipitation, with 212 mm (8.3 in) falling over 24 days, which is higher than August's 189 mm (7.4 in) of rain over 26 days. Additionally, September has a higher humidity level of 84% compared to August's 74%, contributing to a more damp and potentially uncomfortable atmosphere. For more details about August weather, you can visit Los Arcos weather in August.

In September, the weather tends to be milder, with average temperatures around 17°C (62°F) and a maximum of 26°C (78°F). This month experiences frequent rainfall, totaling about 212 mm (8.3 in) over 24 days, resulting in a high humidity level of 84%. In contrast, October brings slightly cooler conditions, with average temperatures dropping to 15°C (60°F) while maintaining a maximum of 26°C (80°F). Rainfall decreases to 163 mm (6.4 in) over 18 days, but humidity rises to 92%. For more details on the weather this month, check out Los Arcos weather in October.

September and November exhibit noticeable differences in weather patterns. In September, temperatures range from a chilly 6°C (44°F) at night to a warm 26°C (78°F) during the day, with an average of 17°C (62°F). This month experiences significant rainfall, with 212 mm (8.3 in) of precipitation spread over 24 days, contributing to a high humidity level of 84%. In contrast, November sees colder nights, with temperatures dipping to -1°C (31°F), while the daytime maximum remains similar at 25°C (78°F) and the average drops to 13°C (56°F). With only 51 mm (2.0 in) of precipitation over just 10 days and a humidity level of 91%, November offers a much drier atmosphere compared to September. For more detailed information, you can visit Los Arcos weather in November.

September typically experiences milder temperatures with an average of 17°C (62°F) and highs reaching up to 26°C (78°F), accompanied by significant rainfall totaling 212 mm (8.3 in) over 24 days. In contrast, December sees a notable drop in temperatures, with averages around 12°C (54°F) and nighttime lows plunging to -4°C (25°F). The precipitation during December is significantly lower at just 18 mm (0.7 in) over 5 days, yet the humidity remains relatively high at 91%. For a detailed look at December weather in this region, check out Los Arcos weather in December.

Compare Los Arcos's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Los Arcos

As September rolls into Los Arcos, the weather experiences a notable shift, marked by cooler temperatures and increased rainfall. While daytime highs around 26°C (78°F) provide a pleasant reprieve, the nights can dip significantly, creating a refreshing contrast. The month is characterized by high humidity levels, reaching 84%, and frequent precipitation, with rain falling on nearly every other day. This departure from the drier months makes September a time when nature flourishes, leaving the landscape lush and vibrant. For a comprehensive look at how Los Arcos' weather plays out throughout the year, visit Los Arcos Climate.