September Weather in Belen, Nicaragua

Last updated: August 31, 2025

In September, the average temperature in Belen, Nicaragua hovers around 27°C (81°F), with minimums dipping to 24°C (75°F) and maximums reaching up to 31°C (88°F). Despite the warmth, be prepared for some rain, as the area experiences 250 mm (9.8 in) of precipitation over 27 days, coupled with an average humidity of around 80%.

September Temperature in Belen

In September in Belen, the average temperature is 27°C (81°F). Maximums can reach 31°C (88°F) and minimums can be as low as 24°C (75°F). This pleasant weather makes Belen an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates September temperature patterns in Belen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belen, September typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in Belen

In Belen in September, the total precipitation amount reaches 250 mm (9.8 in) over the course of 27 days.

September Precipitation Trends in Belen

The chart displays monthly precipitation patterns in Belen, 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 Belen, September typically receives around 250 mm (9.8 inches) of precipitation spread over approximately 27 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 Belen

In Belen in September humidity is 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

September Average Humidity in Belen

This chart illustrates the average monthly humidity levels in Belen, 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 Belen is approximately 80%, 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 Belen

In Belen 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 Belen.

Maximum UV Index Levels in Belen for September

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

Data source: Belen 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 Belen Compares to Other Months

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

This table compares monthly weather conditions in Belen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	6 mm (0.3 inches)	66%	extreme
February Weather	26°C (79°F)	5 mm (0.2 inches)	64%	extreme
March Weather	26°C (80°F)	4 mm (0.2 inches)	63%	extreme
April Weather	28°C (82°F)	16 mm (0.6 inches)	63%	extreme
May Weather	27°C (82°F)	250 mm (9.8 inches)	63%	extreme
June Weather	27°C (81°F)	236 mm (9.3 inches)	74%	extreme
July Weather	27°C (81°F)	115 mm (4.5 inches)	85%	extreme
August Weather	27°C (81°F)	188 mm (7.4 inches)	82%	extreme
September Weather	27°C (81°F)	250 mm (9.8 inches)	80%	extreme
October Weather	27°C (80°F)	382 mm (15.0 inches)	79%	extreme
November Weather	27°C (80°F)	146 mm (5.7 inches)	79%	extreme
December Weather	26°C (80°F)	19 mm (0.7 inches)	70%	very high