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September Weather in San Lucas, Nicaragua

Last updated: August 31, 2025

In September, the average temperature in San Lucas, Nicaragua hovers around 24°C (76°F). Expect a minimum of 17°C (62°F) and a maximum that can climb up to 36°C (96°F). Be prepared for some rain, as 164 mm (6.5 in) of precipitation typically falls over 19 days. The average humidity levels sit at 69%, making it a warm and somewhat humid time of year.

September Temperature in San Lucas

In September in San Lucas, the average temperature is 24°C (76°F). The maximum can reach 36°C (96°F), while the minimum can drop to as low as 17°C (62°F). This mild climate makes it a great time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in San Lucas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Lucas, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (96°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec717374787775747575747371
Data source: Temperature data for San Lucas 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 Lucas

In San Lucas in September, the precipitation amount is 164 mm (6.5 in) over the course of 19 days.

September Precipitation Trends in San Lucas

The chart displays monthly precipitation patterns in San Lucas, 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 Lucas, September typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec108839205166611001642356315
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Lucas

In San Lucas in September humidity is 69%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel a bit more exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in San Lucas

This chart illustrates the average monthly humidity levels in San Lucas, 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 Lucas is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%54%51%50%50%55%65%64%69%68%61%56%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Lucas

In San Lucas 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 Lucas.

Maximum UV Index Levels in San Lucas for September

The chart shows the monthly maximum UV Index (UVI) for San Lucas 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 Lucas typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414141413131110
Data source: San Lucas 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 Lucas Compares to Other Months

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

This table compares monthly weather conditions in San Lucas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)10 mm (0.4 inches)56%extreme
February Weather23°C (73°F)8 mm (0.3 inches)54%extreme
March Weather23°C (74°F)8 mm (0.3 inches)51%extreme
April Weather25°C (78°F)38 mm (1.5 inches)50%extreme
May Weather25°C (77°F)205 mm (8.1 inches)50%extreme
June Weather24°C (75°F)166 mm (6.5 inches)55%extreme
July Weather24°C (75°F)61 mm (2.4 inches)65%extreme
August Weather24°C (75°F)100 mm (3.9 inches)64%extreme
September Weather24°C (76°F)164 mm (6.5 inches)69%extreme
October Weather23°C (74°F)235 mm (9.2 inches)68%extreme
November Weather23°C (73°F)63 mm (2.5 inches)61%extreme
December Weather22°C (71°F)15 mm (0.6 inches)56%very high

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