September Weather in Greytown, Nicaragua

Last updated: August 31, 2025

In Greytown, Nicaragua, the average temperature in September hovers around 27°C (80°F). Expect a minimum of 24°C (76°F) and a maximum of 31°C (88°F). With an average humidity of 84%, be prepared for a humid experience. Additionally, anticipate precipitation of 294 mm (11.6 in) spread over 28 days.

September Temperature in Greytown

In September in Greytown, the average temperature is 27°C (80°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 24°C (76°F). This pleasant climate makes Greytown an ideal destination for travelers looking to enjoy warm and comfortable weather.

September Weather in Greytown: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Greytown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greytown, September typically has an average temperature of 27°C (80°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (76°F).

Data source: Temperature data for Greytown generated using information from the Copernicus Climate Change Service.

September Precipitation in Greytown

In Greytown in September, the total precipitation amount is 294 mm (11.6 in) over a duration of 28 days.

September Precipitation Trends in Greytown

The chart displays monthly precipitation patterns in Greytown, 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 Greytown, September typically receives around 294 mm (11.6 inches) of precipitation spread over approximately 28 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Greytown

In Greytown in September, humidity is 84%. With an average temperature of 27°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel sluggish and exhausting.

September Average Humidity in Greytown

This chart illustrates the average monthly humidity levels in Greytown, 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 Greytown is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Greytown

In Greytown 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 Greytown.

Maximum UV Index Levels in Greytown for September

The chart shows the monthly maximum UV Index (UVI) for Greytown 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 Greytown typically reaches 13, which falls under the extreme exposure category.

Data source: Greytown 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 Greytown Compares to Other Months

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

This table compares monthly weather conditions in Greytown, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	203 mm (8.0 inches)	71%	extreme
February Weather	25°C (78°F)	129 mm (5.1 inches)	70%	extreme
March Weather	25°C (78°F)	161 mm (6.3 inches)	68%	extreme
April Weather	26°C (79°F)	134 mm (5.3 inches)	69%	extreme
May Weather	26°C (80°F)	332 mm (13.1 inches)	70%	extreme
June Weather	26°C (80°F)	435 mm (17.1 inches)	81%	extreme
July Weather	26°C (79°F)	470 mm (18.5 inches)	88%	extreme
August Weather	26°C (80°F)	383 mm (15.1 inches)	85%	extreme
September Weather	27°C (80°F)	294 mm (11.6 inches)	84%	extreme
October Weather	26°C (80°F)	345 mm (13.6 inches)	82%	extreme
November Weather	26°C (79°F)	359 mm (14.2 inches)	81%	extreme
December Weather	25°C (78°F)	319 mm (12.5 inches)	74%	very high