September Weather in Tajumulco, Guatemala

Last updated: August 21, 2025

September weather in Tajumulco, Guatemala showcases a blend of mild temperatures and significant rainfall. With a maximum temperature reaching 26°C (79°F) and an average of 19°C (67°F), the days remain relatively comfortable, while the nights can dip to a cool 13°C (56°F). However, this month is characterized by its impressive precipitation, accumulating 436 mm (17.2 in) across 30 rainy days, contributing to the lush landscape. The high humidity level of 82% enhances the tropical atmosphere, making September a month to embrace the vibrant, refreshing beauty of this highland region.

September Temperature in Tajumulco

In September, Tajumulco, Guatemala welcomes a pleasant climate with temperatures that capture the essence of early autumn. The minimum temperature hovers around 13°C (56°F), providing a comfortable coolness during the nights, while daytime temperatures peak at a cozy 26°C (79°F). With an average of 19°C (67°F), this month maintains the trend of mild weather seen since May, making it an inviting time for outdoor activities or exploring the stunning landscapes. As the month transitions into October, temperatures remain steady, suggesting that September is an ideal time to experience the region’s beauty without the extremes of heat or cold.

September Weather in Tajumulco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tajumulco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tajumulco, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec646566676867676767676664
Data source: Temperature data for Tajumulco 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 Tajumulco

In September, Tajumulco, Guatemala, experiences a significant uptick in precipitation, with rainfall totaling 436 mm (17.2 in) over 30 days. This marks a continuation of the region's wettest months, following closely behind August's 434 mm. The consistent pattern of rainfall during this period highlights the peak of the rainy season, where lush landscapes thrive under the deluge. With nearly every day contributing to the total, it's evident that September maintains the trend of heavy, frequent precipitation that characterizes the months leading up to it. As the rains begin to taper off into October, the region's reliance on these crucial water sources for the year becomes ever more pronounced.

September Precipitation Trends in Tajumulco

The chart displays monthly precipitation patterns in Tajumulco, 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. In Tajumulco, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec39347713139548127243443636011452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tajumulco

In Tajumulco, Guatemala, September marks a noteworthy period with humidity levels remaining high at 82%, mirroring the sweltering conditions of August. This reflects a broader trend in the region, where late summer months tend to experience elevated humidity, often peaking in late summer and early fall. Following this peak, October slightly intensifies the sticky atmosphere with humidity rising to 83%. As the year transitions, we see a gradual decrease in humidity from November onward, with levels settling around 80%. This interplay of warmth and moisture not only defines the climate but also sets the stage for the lush greenery that characterizes this highland locale.

September Average Humidity in Tajumulco

This chart illustrates the average monthly humidity levels in Tajumulco, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Tajumulco is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tajumulco

In September, Tajumulco, Guatemala, experiences a UV Index of 14, categorized as extreme, with a consistent burn time of just 10 minutes. This month marks a slight decline from the peak Index of 15 observed from March through August, yet the risk remains high. The trend throughout the year shows that Tajumulco is frequently exposed to dangerous UV levels, especially in the earlier months, where indices soar to a staggering 15. As the rainy season approaches, it's crucial to stay vigilant about sun protection, as even a few minutes of unprotected exposure can lead to severe skin damage. For more detailed information on UV trends throughout the year, check out the full details at Tajumulco UV Index.

Maximum UV Index Levels in Tajumulco for September

The chart shows the monthly maximum UV Index (UVI) for Tajumulco 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. In September, the maximum UV index in Tajumulco typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151515151414131110
Data source: Tajumulco 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 Tajumulco

As September graces Tajumulco, Guatemala, the sun continues to shine brightly, providing 266 hours of radiant light, which is slightly less than the previous month but consistent with the overall trend of a comfortable late summer. Following the vibrant months of March and April—peaking at 323 and 311 hours respectively—the sunshine begins to mellow, marking the transition to the autumn season. While September's hours may be lower than those earlier in the year, they still offer ample opportunities for outdoor adventure and exploration, maintaining a warm glow against the backdrop of the stunning Guatemalan landscape. As October approaches, with 261 hours forecasted, the gentle ebb of sunlight reminds us that the beauty of Tajumulco can be cherished even under a softer sun.

Monthly Sunshine Duration in Tajumulco: September Highlighted

The September sunshine duration represents the total number of hours Tajumulco 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.
JanFebMarAprMayJunJulAugSepOctNovDec254h286h323h311h297h250h299h290h266h261h296h315h
Data source: Tajumulco September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tajumulco During September

In September, the likelihood of enjoying sunny weather in Tajumulco, Guatemala, is notably low, with only a 13% chance of sunshine. This decline in sunny days marks a stark contrast to the more favorable conditions earlier in the year, particularly January and February, which boast probabilities as high as 62% and 68% respectively. As the rainy season progresses, the sunshine becomes increasingly elusive, peaking in the late spring and fading sharply through the summer months. While October does show an improvement to 30%, September remains one of the least favorable months for sun-seekers, illustrating a clear trend towards cloudier skies.

Percentage of Sunny Days in September in Tajumulco

The chart illustrates the percentage of sunny days in Tajumulco 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 Tajumulco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%68%54%38%21%6%18%12%13%30%52%65%
Data source: Tajumulco September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tajumulco in September

In Tajumulco, Guatemala, the rhythm of daylight remains notably stable throughout the year. As the calendar turns to September, residents and visitors enjoy approximately 12 hours of daylight each day, mirroring the consistent daylight duration seen from March to August. This prolonged light invites outdoor exploration and vibrant community activities, while the shorter days of October through December signal a gradual shift back to 11 hours of daylight. The gentle ebb and flow of sunlight highlights the region’s unique agricultural cycles and the seasonal changes that shape daily life in this picturesque locale.

Average Daylight Hours in Tajumulco for September

The chart illustrates the variation in daylight duration in Tajumulco throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 20m11h 38m12h 3m12h 28m12h 48m12h 59m12h 53m12h 35m12h 11m11h 46m11h 25m11h 14m
Data source: Tajumulco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tajumulco

As September unfolds in Tajumulco, Guatemala, the subtle dance of the wind mirrors the gentle transition from the vibrant summer months to the cooler embrace of autumn. With an average wind speed of 1.1 m/s (2 mph), September shares a calm consistency with June and August, all offering a serene atmosphere that envelops the landscape. Interestingly, this month continues a trend of relatively low winds seen since May, reflecting a pattern of stability amidst the natural rhythms of the region. While the air remains softly stirred, the anticipation of the more brisk December winds, with their return to 1.3 m/s (3 mph), looms just over the horizon, promising a refreshing change as the year winds down.

Average September Wind Speed in Tajumulco

The chart displays monthly wind speed patterns in Tajumulco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.41.41.31.11.11.21.11.1 m/s1.01.31.3
Data source: Tajumulco September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tajumulco Compares to Other Months

Weather in Tajumulco varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tajumulco, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January weather exhibit notable differences despite having similar maximum temperatures. In September, average temperatures range from a minimum of 13°C (56°F) to a maximum of 26°C (79°F), coupled with high humidity at 82% and significant rainfall of 436 mm (17.2 in) over 30 days. In contrast, January features slightly cooler temperatures, with a minimum of 9°C (48°F) and an average of 18°C (64°F), but much less precipitation at 39 mm (1.5 in) over only 9 days and lower humidity at 76%. These variations create a distinct climate experience, highlighting the wetter and more humid conditions of September compared to the drier and cooler atmosphere of January. For more details on January weather, check Tajumulco weather in January.

September typically features a warmer climate with average temperatures ranging from 13°C (56°F) to a maximum of 26°C (79°F), along with high humidity levels at 82%. This month is notably wetter, receiving 436 mm (17.2 in) of rainfall spread across 30 days. Conversely, February brings slightly cooler temperatures with a minimum of 9°C (48°F) and a maximum of 27°C (81°F), but significantly less precipitation, accumulating only 34 mm (1.3 in) over 12 days. Additionally, humidity drops to 68%, making February feel less muggy compared to the wet and humid September weather. To explore more about the climate during February specifically, check out Tajumulco weather in February.

September and March exhibit distinct weather patterns that cater to different preferences. In September, temperatures range from a mild 13°C (56°F) to a warm 26°C (79°F), with an average of 19°C (67°F). This month is characterized by high humidity at 82% and significant rainfall, with a total precipitation of 436 mm (17.2 in) over 30 days, creating a lush, vibrant landscape. In contrast, March offers slightly cooler evenings with a minimum temperature of 10°C (50°F) and similar daytime highs averaging around 19°C (66°F) and peaking at 27°C (81°F). With only 77 mm (3.0 in) of rain spread across 22 days and lower humidity at 59%, March presents a notably drier and more comfortable climate. For detailed insights on March weather, check out Tajumulco weather in March.

In comparing the weather of September and April, both months share a similar average temperature of 19°C (67°F). However, September experiences higher extremes, with a minimum temperature of 13°C (56°F) and a maximum of 26°C (79°F), while April’s temperatures range from a minimum of 10°C (51°F) to a maximum of 28°C (82°F). Precipitation levels differ significantly as well; September sees a hefty 436 mm (17.2 in) of rain over 30 days, whereas April has only 131 mm (5.1 in) over 25 days, resulting in much lower humidity in April at 57% compared to September’s 82%. For a more detailed view of April weather in a specific area, you can check Tajumulco weather in April.

In comparing the weather for September and May, both months exhibit similar minimum temperatures, averaging around 13°C (56°F). However, September typically sees slightly cooler average temperatures at 19°C (67°F), while May has an average of 20°C (68°F). The maximum temperatures are comparable as well, with September reaching up to 26°C (79°F) and May slightly higher at 27°C (81°F).

One of the most notable differences is in precipitation: September experiences more rainfall at 436 mm (17.2 in) over 30 days, compared to May's 395 mm (15.6 in) over 31 days. Additionally, humidity levels are higher in September at 82%, contrasting with the more comfortable 65% humidity in May. For more details on weather conditions in May, you can visit Tajumulco weather in May.

September and June exhibit notable similarities and differences in weather patterns. Both months feature a minimum temperature of 13°C (56°F), but June tends to be slightly warmer on average, with temperatures peaking at 27°C (80°F) compared to September's maximum of 26°C (79°F). Precipitation is higher in September, totaling 436 mm (17.2 in) over 30 days versus June's 481 mm (18.9 in) across 29 days. Additionally, September's humidity is significantly higher at 82%, while June enjoys a more comfortable level at 66%. For a detailed look at June weather in a specific location, check out Tajumulco weather in June.

When comparing the weather of September and July, we see that both months have similar maximum temperatures, peaking at around 26°C (79°F). However, September typically experiences slightly cooler minimum temperatures, ranging from 13°C (56°F) compared to July's 12°C (54°F). One of the most notable differences is the increased precipitation in September, with 436 mm (17.2 in) of rainfall over 30 days, quite significantly higher than July's 272 mm (10.7 in) during the same number of days. Additionally, September has a higher humidity level at 82%, while July maintains a relative humidity of 75%. For a more detailed look at July's weather in the region, you can check Tajumulco weather in July.

In comparing the weather of September and August, we see that both months experience similar temperature ranges, with September recording a minimum of 13°C (56°F), an average of 19°C (67°F), and a maximum of 26°C (79°F), while August has a maximum of 27°C (80°F). Precipitation levels are slightly higher in September, with 436 mm (17.2 in) spread across 30 days, compared to August's 434 mm (17.1 in) over 31 days. Humidity remains constant at 82% for both months, contributing to a generally humid climate. For more detailed information on August weather in this region, you can visit Tajumulco weather in August.

September and October share similar temperature profiles, with minimum temperatures around 13°C (56°F), average temperatures of 19°C (67°F), and maximum temperatures reaching 26°C (79°F). However, October tends to be slightly drier, with precipitation totaling 360 mm (14.2 in) compared to September's 436 mm (17.2 in). Additionally, humidity remains relatively high in both months, with October showing a modest increase to 83% from September's 82%. For more detailed information on October weather conditions, you can refer to Tajumulco weather in October.

September and November exhibit similar average temperatures, hovering around 19°C (66°F). However, September tends to be slightly warmer at both the lower and upper ends, with minimums reaching 13°C (56°F) and maximums hitting 26°C (79°F), while November's minimum is a touch cooler at 11°C (53°F) and the maximum is slightly higher at 26°C (80°F). One of the most notable differences is in precipitation; September is significantly wetter, with 436 mm (17.2 in) of rain over 30 days, compared to November's 114 mm (4.5 in) across 23 days. Both months maintain high humidity levels around 80-82%, but September is generally a more humid month. For more insights on November's weather, check out Tajumulco weather in November.

In comparing the weather of September and December, we see notable differences in temperature and precipitation patterns. September experiences a broader temperature range, with minimums of 13°C (56°F) and maximums reaching 26°C (79°F), resulting in an average of 19°C (67°F). However, it is also marked by high humidity at 82% and significant rainfall, accumulating 436 mm (17.2 in) over 30 days. In contrast, December offers slightly cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 25°C (78°F), yielding an average of 18°C (65°F). The month is significantly drier, with only 52 mm (2.0 in) of rain over 16 days and a slightly lower humidity of 76%. For specific insights into December weather, visit Tajumulco weather in December.

Compare Tajumulco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tajumulco

September in Tajumulco is characterized by considerably wetter conditions compared to other months, with an impressive amount of rainfall contributing to a lush, vibrant landscape. The average temperature hovers around a comfortable 19°C, while the humidity reaches a high level of 82%, creating a tropical atmosphere. This month typically witnesses daily precipitation, making it distinctively damp and cooler than the drier, warmer months preceding it. If you're curious about how this impacts the overall climate in Tajumulco, check out the details at Tajumulco Climate.