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September Weather in San Fernando, Honduras

Last updated: August 23, 2025

In September, the average temperature in San Fernando, Honduras hovers around 22°C (73°F), with a minimum of 16°C (61°F) and a sunny maximum reaching 32°C (89°F). Expect 251 mm (9.9 in) of precipitation spread across 27 days, contributing to an average humidity of 71%—perfect for those who enjoy a lush, tropical atmosphere!

September Temperature in San Fernando

In September, in San Fernando, the average temperature is 22°C (73°F). The maximum can reach 32°C (89°F), and the minimum can be as low as 16°C (61°F). This pleasant climate makes San Fernando an ideal destination for travelers looking to enjoy outdoor activities and sightseeing.

September Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, September typically has an average temperature of 22°C (73°F), with highs reaching up to 32°C (89°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec656869747473727272716866
Data source: Temperature data for San Fernando 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 Fernando

In San Fernando in September, the precipitation amount is 251 mm (9.9 in) over the course of 27 days.

September Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 San Fernando, September typically receives around 251 mm (9.9 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec6442423817529514519725123714459
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Fernando

In San Fernando in September humidity is 71%. With an average temperature of 22°C (73°F), this humidity feels like a thick, warm blanket wrapping around you, making travel feel a bit sluggish but still pleasant as long as you stay hydrated and take breaks in the shade.

September Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 San Fernando 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 San Fernando

In San Fernando 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 San Fernando.

Maximum UV Index Levels in San Fernando for September

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 San Fernando typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141414141313109
Data source: San Fernando 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 San Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (66°F)64 mm (2.5 inches)80%extreme
February Weather20°C (68°F)42 mm (1.6 inches)72%extreme
March Weather21°C (69°F)42 mm (1.6 inches)61%extreme
April Weather23°C (74°F)38 mm (1.5 inches)53%extreme
May Weather24°C (75°F)175 mm (6.9 inches)51%extreme
June Weather23°C (73°F)295 mm (11.6 inches)52%extreme
July Weather22°C (72°F)145 mm (5.7 inches)58%extreme
August Weather22°C (73°F)197 mm (7.8 inches)63%extreme
September Weather22°C (73°F)251 mm (9.9 inches)71%extreme
October Weather22°C (72°F)237 mm (9.3 inches)79%extreme
November Weather20°C (68°F)144 mm (5.7 inches)79%very high
December Weather19°C (66°F)59 mm (2.3 inches)74%very high

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