September Weather in Rabinal, Guatemala

Last updated: August 21, 2025

In Rabinal, Guatemala, September brings a mix of warm days and cool nights, with temperatures ranging from a maximum of 32°C (90°F) to a minimum of 13°C (55°F) and an average of 22°C (72°F). This month is characterized by significant rainfall, with an impressive 125 mm (4.9 in) of precipitation spread over 23 days, resulting in a high humidity level of 82%. Visitors can expect a lush landscape, but should prepare for frequent rain showers, making it essential to embrace both the vibrant culture and the capricious weather of this enchanting region.

September Temperature in Rabinal

In September, Rabinal, Guatemala experiences pleasant temperatures that create an inviting atmosphere for both locals and visitors. The weather features a low of 13°C (55°F), providing a refreshing start to the day, while the average temperature hovers around 22°C (72°F), making it perfect for outdoor activities. With a maximum temperature reaching about 32°C (90°F), the heat remains manageable, maintaining a consistent warmth that characterizes the region’s transition from summer to fall. This month mirrors the overall temperate trend seen throughout the year, with September retaining a comfortable climate that encourages exploration and enjoyment of Rabinal’s scenic beauty.

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

The chart illustrates September temperature patterns in Rabinal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rabinal, 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).
JanFebMarAprMayJunJulAugSepOctNovDec666970747472727272716867
Data source: Temperature data for Rabinal generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Rabinal

In September, Rabinal, Guatemala, experiences a significant uptick in rain, with precipitation reaching 125 mm (4.9 in) over an impressive 23 days of rainfall. This marks a continued trend of increased precipitation leading into the autumn months, following the peak rainy season that begins in May. Notably, September's rainfall surpasses that of August (114 mm) and sets the stage for even wetter conditions in October (161 mm). The abundant rain during this month not only contributes to the lush landscapes but also supports local agriculture, showcasing how seasonal rainfall patterns influence both the environment and economy of Rabinal. As the month unfolds, the region prepares for the lush transformation that accompanies the heavier rains of fall.

September Precipitation Trends in Rabinal

The chart displays monthly precipitation patterns in Rabinal, 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 Rabinal, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1381224107146721141251616212
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Rabinal

In Rabinal, Guatemala, September marks a peak in humidity levels, soaring to a consistent 82%, a continuation of the high humidity experienced in August. This trend of elevated humidity persists into October, reaching 83%, indicating the onset of the rainy season that contributes to a muggy atmosphere. As the months roll into the earlier part of the year, humidity levels gradually decline, with a notable drop in April to just 57%. The transition from dry to humid conditions is evident from January, where humidity begins at 76%, showcasing the area’s tropical characteristics. Overall, the data reveals a dynamic fluctuation in humidity, reflecting the unique climate patterns of this vibrant region.

September Average Humidity in Rabinal

This chart illustrates the average monthly humidity levels in Rabinal, 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 Rabinal 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 Rabinal

In September, Rabinal experiences a UV Index of 14, which falls into the extreme exposure category, indicating a consistent threat of sunburn within just 10 minutes of unprotected sunlight exposure. This is in line with the previous months from April to August, where Rabinal maintained the same high levels of UV radiation. Notably, the UV Index remains elevated as it transitions into October, but with a slight dip to 13. This trend highlights the region's persistent vulnerability to UV rays, urging residents and travelers alike to take precautionary measures to shield themselves from potential harm. For more detailed information on the UV Index in Rabinal, visit Rabinal UV Index.

Maximum UV Index Levels in Rabinal for September

The chart shows the monthly maximum UV Index (UVI) for Rabinal 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 Rabinal typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515141414141413119
Data source: Rabinal 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 Rabinal

September in Rabinal, Guatemala, continues the trend of abundant sunshine, boasting 296 hours of glorious daylight. As the month transitions from summer to autumn, the sunlight remains strong, closely following the peak of summer with July and August recording their highest hours at 314 and 311, respectively. While September's hours slightly decrease, it still stands out as one of the sunniest months of the year, allowing residents and visitors alike to enjoy the striking backdrop of the surrounding landscapes. This consistent pattern of daylight not only enriches the vibrant culture of Rabinal but also creates the perfect setting for outdoor adventures and celebrations. As the months evolve into the fall, the sunshine remains plentiful, with only a modest decline leading into the cooler autumn months.

Monthly Sunshine Duration in Rabinal: September Highlighted

The September sunshine duration represents the total number of hours Rabinal 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.
JanFebMarAprMayJunJulAugSepOctNovDec218h267h305h303h305h277h314h311h296h279h274h279h
Data source: Rabinal September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rabinal During September

In Rabinal, Guatemala, the likelihood of sunny weather tends to fluctuate significantly throughout the year, with September offering a modest 25% chance of sunshine. This month is part of the rainy season, where the clouds often obscure the sun, making it one of the less favorable times for clear skies. Observing the yearly trend, the probability of sunny days generally decreases from the peak in February (61%) through to the summer months, hitting a low in June (15%). Following this low point, the chance of sun gradually improves but remains capricious. Though September may not promise abundant sunshine, each day still carries the possibility of a pleasant break in the weather for those lucky enough to experience it.

Percentage of Sunny Days in September in Rabinal

The chart illustrates the percentage of sunny days in Rabinal 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 Rabinal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%61%57%36%26%15%24%20%25%37%32%49%
Data source: Rabinal September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rabinal in September

In Rabinal, Guatemala, September enjoys a generous 12 hours of daylight, continuing the trend seen throughout the warmer months from March to August. This consistent daylight duration underscores the region's relatively stable seasonal pattern, where longer days prevail just before the shift into the shorter daylight hours of October. With such ample sunlight, September is a great time for outdoor activities, allowing residents and visitors alike to soak in the vibrant atmosphere of this picturesque town as the daylight gradually begins to wane toward the end of the year. Whether exploring the lush landscapes or engaging in local culture, the extended daylight enhances the experience, making every moment memorable.

Average Daylight Hours in Rabinal for September

The chart illustrates the variation in daylight duration in Rabinal 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: Rabinal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Rabinal

As September unfolds in Rabinal, Guatemala, the average wind speed settles at a gentle 1.2 m/s (3 mph), mirroring the tranquil breezes of the preceding months. The wind, often at its softest during this time of year, creates a serene backdrop that complements the region's vibrant landscape. Notably, the wind speeds during September reflect a broader trend of gradual decline from the slightly brisker months of early spring, where speeds began at 1.7 m/s (4 mph) in March. This pattern continues until November, when the wind picks up pace again, reaching an average of 1.6 m/s (4 mph). The consistent calmness of September's breezes invites residents and visitors alike to bask in the beauty of Rabinal, enjoying the peacefulness that accompanies the arrival of autumn.

Average September Wind Speed in Rabinal

The chart displays monthly wind speed patterns in Rabinal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.61.71.51.31.21.41.21.2 m/s1.31.61.4
Data source: Rabinal September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Rabinal Compares to Other Months

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

September weather is characterized by warmer temperatures, with averages around 22°C (72°F) and maximums reaching up to 32°C (90°F). However, this month also experiences higher humidity at 82% and considerable rainfall, totaling 125 mm (4.9 in) over 23 days. In contrast, January offers cooler temperatures, averaging 19°C (67°F) with a maximum of 33°C (92°F) but starting off with lower minimum temperatures of 7°C (44°F). Precipitation significantly decreases in January, with only 13 mm (0.5 in) falling over 4 days, and humidity is slightly lower at 76%. For more details, you can check this link: Rabinal weather in January.

September and February present quite contrasting weather conditions. September experiences a warmer average temperature of 22°C (72°F) with maximums reaching up to 32°C (90°F), but it also brings significant rainfall, totaling 125 mm (4.9 in) over 23 days, and high humidity at 82%. In contrast, February has a slightly cooler minimum temperature of 9°C (49°F) and an average of 21°C (69°F), with maximum temperatures peaking at 34°C (94°F). Notably, February is much drier, receiving only 8 mm (0.3 in) of precipitation over just 1 day and exhibiting lower humidity at 68%. For more details on February weather in Rabinal, check out Rabinal weather in February.

In comparing the weather of September and March, we observe notable differences. September features a warmer average temperature of 22°C (72°F), with highs reaching up to 32°C (90°F) and substantial precipitation of 125 mm (4.9 in) spread over 23 days, resulting in high humidity levels at 82%. In contrast, March offers slightly cooler temperatures, with an average of 21°C (71°F) and maximums hitting 34°C (94°F). The month is significantly drier, with only 12 mm (0.5 in) of precipitation occurring across just 3 days, contributing to a lower humidity of 59%. For more detailed insights into the weather conditions in March, you can check Rabinal weather in March.

When comparing the weather in September and April, notable differences emerge in temperature, precipitation, and humidity. September features a minimum temperature of 13°C (55°F) and can reach highs of 32°C (90°F), with an average temperature of 22°C (72°F). This month is characterized by substantial rainfall, totaling 125 mm (4.9 in) across 23 rainy days, coupled with high humidity levels of 82%. In contrast, April has a slightly cooler minimum temperature of 9°C (49°F) but can soar to highs of 36°C (97°F), with an average of 23°C (74°F). Precipitation is significantly lower, at just 24 mm (1.0 in) over 6 days, and the humidity is relatively lower at 57%. For more detailed information, you can visit Rabinal weather in April.

September and May present distinct contrasts in weather patterns. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 32°C (90°F), with an average temperature of 22°C (72°F). This month is marked by high humidity at 82%, along with significant rainfall, totaling 125 mm (4.9 in) over 23 days. In comparison, May offers slightly warmer weather, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 36°C (97°F) and an average of 23°C (74°F). Rainfall is a bit less frequent in May, amounting to 107 mm (4.2 in) over 19 days, and the humidity is considerably lower at 65%. For more details on the weather in May, you can visit Rabinal weather in May.

When comparing the weather in September and June, one can observe both similarities and distinct differences. Both months feature an average temperature of 22°C (72°F) and reach a maximum of 32°C (90°F in September and 91°F in June). However, September tends to start cooler with a minimum temperature of 13°C (55°F) compared to June's minimum of 15°C (59°F). Rainfall is more frequent in September, with 125 mm (4.9 in) of precipitation over 23 days, while June sees slightly higher precipitation at 146 mm (5.8 in) over 21 days. Additionally, September has a higher humidity level of 82%, compared to June's 66%. For more details, you can check the Rabinal weather in June.

In comparing the weather of September and July, both months exhibit similar average temperatures, hovering around 22°C (72°F). However, July tends to be slightly warmer, with a maximum temperature reaching 33°C (92°F) compared to September's peak of 32°C (90°F). July also experiences less precipitation, totaling 72 mm (2.8 in) over 16 days, while September sees a notable increase in rainfall, with 125 mm (4.9 in) across 23 days. Humidity levels are higher in September at 82%, in contrast to July's 75%, making September feel more humid and damp overall. For more detailed information on July weather conditions, you can visit Rabinal weather in July.

In comparing the weather between August and September, both months exhibit similar temperature ranges, with minimums around 13°C (55°F) and averages of 22°C (72°F). However, September experiences slightly higher maximum temperatures, reaching up to 32°C (90°F), while August peaks at 32°C (91°F). Precipitation levels are notably different; September records 125 mm (4.9 in) of rainfall over 23 days, compared to August's 114 mm (4.5 in) across 18 days. Humidity remains constant at 82% in both months, contributing to a consistently tropical atmosphere. For a more detailed look at August weather, visit Rabinal weather in August.

September and October in Rabinal present a fascinating transition in weather patterns. Both months feature a minimum temperature of around 13°C (55°F), but October's average temperature slightly dips to 21°C (71°F) from September's 22°C (72°F). However, October sees a warmer maximum temperature of 34°C (93°F) compared to September's 32°C (90°F). Precipitation levels rise in October, totaling 161 mm (6.3 in) over 23 days, up from September's 125 mm (4.9 in), and humidity remains relatively high in both months, creeping up to 83% in October from 82% in September. For more detailed insights, check out Rabinal weather in October.

In comparing the weather between September and November, we see a transition from summer to fall. September features warmer temperatures with a minimum of 13°C (55°F) and an average high of 32°C (90°F), while November is slightly cooler, with a minimum of 11°C (52°F) and an average high of 31°C (89°F). Additionally, September is marked by higher levels of precipitation, totaling 125 mm (4.9 in) over 23 days, compared to November, which sees only 62 mm (2.4 in) across 9 days. Humidity remains relatively stable, with September at 82% and November at 80%. For more detailed insights, check out Rabinal weather in November.

In September, temperatures in the region range from a minimum of 13°C (55°F) to a maximum of 32°C (90°F), with an average temperature of 22°C (72°F). The month experiences considerable rainfall, with 125 mm (4.9 in) of precipitation spread over 23 days, resulting in high humidity levels of 82%. In contrast, December weather shows a notable shift, featuring a lower minimum temperature of 7°C (44°F) while maintaining a similar maximum temperature of 32°C (89°F) and an average of 20°C (68°F). December sees significantly reduced precipitation, with just 11 mm (0.5 in) over 3 days and a slightly lower humidity of 76%. For more detailed insights, you can check Rabinal weather in December.

Compare Rabinal's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Rabinal

As September unfolds in Rabinal, residents and visitors alike experience a notable shift in weather patterns. The month is characterized by relatively warm temperatures, with an average of 22°C (72°F), while the high humidity at 82% creates a lush atmosphere. Precipitation is frequent, with rain falling on about 23 days and totaling approximately 125 mm (4.9 inches), making September one of the wettest months of the year. This contrasts with the drier conditions of the preceding months, inviting a vibrant, green landscape that highlights Rabinal's natural beauty. For more details on the region's climate, be sure to check out Rabinal Climate.