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September Weather in San Nicolas, Honduras

Last updated: August 23, 2025

In September, the average temperature in San Nicolas, Honduras is 25°C (77°F). Expect pleasant warmth with minimums around 18°C (64°F) and highs soaring to 37°C (99°F). However, be prepared for some rain, as 117 mm (4.6 in) of precipitation can fall over 18 days. With an average humidity of 75%, the climate can feel quite tropical, making it a great time to enjoy all that San Nicolas has to offer!

September Temperature in San Nicolas

In September, in San Nicolas, the average temperature is 25°C (77°F). Maximum temperatures can reach 37°C (99°F), while the minimum can drop to as low as 18°C (64°F). This climate makes San Nicolas an ideal destination for travelers seeking warm weather and comfortable evenings.

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

The chart illustrates September temperature patterns in San Nicolas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Nicolas, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec707375797877777777747270
Data source: Temperature data for San Nicolas 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 Nicolas

In San Nicolas in September, the precipitation amount is 117 mm (4.6 in) over a period of 18 days.

September Precipitation Trends in San Nicolas

The chart displays monthly precipitation patterns in San Nicolas, 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 Nicolas, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1910152912913167951171949924
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Nicolas

In San Nicolas in September humidity is 75%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket, enveloping you and making travel somewhat taxing, as every step can feel heavier and the air thicker, often leading to a desire for shade and cool breezes.

September Average Humidity in San Nicolas

This chart illustrates the average monthly humidity levels in San Nicolas, 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 Nicolas is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%74%67%61%59%61%68%70%75%81%82%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Nicolas

In San Nicolas in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Nicolas, you can check here.

Maximum UV Index Levels in San Nicolas for September

The chart shows the monthly maximum UV Index (UVI) for San Nicolas 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 Nicolas typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141414141413109
Data source: San Nicolas 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 Nicolas Compares to Other Months

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

This table compares monthly weather conditions in San Nicolas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)19 mm (0.7 inches)78%extreme
February Weather23°C (73°F)10 mm (0.4 inches)74%extreme
March Weather24°C (75°F)15 mm (0.6 inches)67%extreme
April Weather26°C (79°F)29 mm (1.2 inches)61%extreme
May Weather26°C (79°F)129 mm (5.1 inches)59%extreme
June Weather25°C (77°F)131 mm (5.2 inches)61%extreme
July Weather25°C (78°F)67 mm (2.6 inches)68%extreme
August Weather25°C (77°F)95 mm (3.8 inches)70%extreme
September Weather25°C (77°F)117 mm (4.6 inches)75%extreme
October Weather24°C (75°F)194 mm (7.6 inches)81%extreme
November Weather22°C (72°F)99 mm (3.9 inches)82%very high
December Weather21°C (70°F)24 mm (1.0 inches)75%very high

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