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September Weather in Puerto Alto, Honduras

Last updated: August 23, 2025

In September, the average temperature in Puerto Alto, Honduras hovers around 28°C (83°F), with a range from a comfortable 23°C (74°F) to a warm 34°C (94°F). Expect 195 mm (7.7 in) of precipitation spread over 27 days, resulting in an average humidity of 71%. Prepare for a mix of warmth and moisture during your visit!

September Temperature in Puerto Alto

In September in Puerto Alto, the average temperature is 28°C (83°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as 23°C (74°F). This pleasant climate makes it an ideal destination for outdoor activities and exploring the local attractions.

September Weather in Puerto Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Puerto Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Alto, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (94°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec757778818383828282817876
Data source: Temperature data for Puerto Alto 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 Puerto Alto

In Puerto Alto in September, the total precipitation amount is 195 mm (7.7 in) spread over 27 days.

September Precipitation Trends in Puerto Alto

The chart displays monthly precipitation patterns in Puerto Alto, 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 Puerto Alto, September typically receives around 195 mm (7.7 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec14971856290217182217195297350167
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Puerto Alto

In Puerto Alto in September, humidity is 71%. With an average temperature of 28°C (83°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable if you're not prepared for the stickiness and sweat that accompany such conditions.

September Average Humidity in Puerto Alto

This chart illustrates the average monthly humidity levels in Puerto Alto, 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 Puerto Alto is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%61%53%51%52%58%63%71%79%79%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Puerto Alto

In Puerto Alto in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Puerto Alto.

Maximum UV Index Levels in Puerto Alto for September

The chart shows the monthly maximum UV Index (UVI) for Puerto Alto 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 Puerto Alto typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314131313131312109
Data source: Puerto Alto 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.

How September Weather in Puerto Alto Compares to Other Months

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

This table compares monthly weather conditions in Puerto Alto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)149 mm (5.9 inches)80%very high
February Weather25°C (77°F)71 mm (2.8 inches)72%extreme
March Weather26°C (78°F)85 mm (3.3 inches)61%extreme
April Weather27°C (81°F)62 mm (2.4 inches)53%extreme
May Weather29°C (84°F)90 mm (3.5 inches)51%extreme
June Weather29°C (84°F)217 mm (8.5 inches)52%extreme
July Weather28°C (82°F)182 mm (7.2 inches)58%extreme
August Weather28°C (82°F)217 mm (8.5 inches)63%extreme
September Weather28°C (83°F)195 mm (7.7 inches)71%extreme
October Weather27°C (81°F)296 mm (11.7 inches)79%extreme
November Weather25°C (78°F)350 mm (13.8 inches)79%very high
December Weather24°C (76°F)167 mm (6.6 inches)74%very high

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