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September Weather in El Viejo, Nicaragua

Last updated: August 31, 2025

In September, the average temperature in El Viejo, Nicaragua hovers around 28°C (82°F). Expect a comfortable minimum of 23°C (74°F), while the heat can peak at a maximum of 35°C (95°F). However, be prepared for some rain, as the region experiences 368 mm (14.5 in) of precipitation over an average of 27 days. With an average humidity level of 69%, it's a season of warmth and occasional showers!

September Temperature in El Viejo

In September, in El Viejo, the average temperature is 28°C (82°F). Maximums can reach 35°C (95°F), and minimums can be as low as 23°C (74°F). This makes El Viejo a warm and pleasant destination for travelers looking to enjoy a sunny getaway.

September Weather in El Viejo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Viejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Viejo, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec848687878483858382818284
Data source: Temperature data for El Viejo 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 El Viejo

In El Viejo in September, the total precipitation amount is 368 mm (14.5 in) recorded over 27 days.

September Precipitation Trends in El Viejo

The chart displays monthly precipitation patterns in El Viejo, 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 El Viejo, September typically receives around 368 mm (14.5 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec445382783421162893684121206
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Viejo

In El Viejo in September, humidity is 69%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration slightly more challenging but still enjoyable as you soak in the vibrant surroundings.

September Average Humidity in El Viejo

This chart illustrates the average monthly humidity levels in El Viejo, 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 El Viejo 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 El Viejo

In El Viejo 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 El Viejo.

Maximum UV Index Levels in El Viejo for September

The chart shows the monthly maximum UV Index (UVI) for El Viejo 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 El Viejo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: El Viejo 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 El Viejo Compares to Other Months

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

This table compares monthly weather conditions in El Viejo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)4 mm (0.2 inches)56%extreme
February Weather30°C (86°F)4 mm (0.1 inches)54%extreme
March Weather31°C (88°F)5 mm (0.2 inches)51%extreme
April Weather31°C (87°F)38 mm (1.5 inches)50%extreme
May Weather29°C (85°F)278 mm (10.9 inches)50%extreme
June Weather28°C (83°F)342 mm (13.5 inches)55%extreme
July Weather29°C (85°F)116 mm (4.6 inches)65%extreme
August Weather29°C (84°F)289 mm (11.4 inches)64%extreme
September Weather28°C (82°F)368 mm (14.5 inches)69%extreme
October Weather27°C (81°F)412 mm (16.2 inches)68%extreme
November Weather28°C (83°F)120 mm (4.7 inches)61%very high
December Weather29°C (84°F)6 mm (0.2 inches)56%very high

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