September weather forecast
Masatepe, Nicaragua

September in Masatepe, Nicaragua, stands out as the wettest month, with average rainfall crossing 216mm (8.5"). The high rainfall transforms the city into a lush green landscape. Regular showers do not dampen the warmth, and temperatures persist at comfortable levels. The abundant rain and high humidity may lead to lower visibility, although it doesn’t take away the charm of long bright days. Looking ahead to October, though rain will persist, it will slightly recede compared to September.

Temperature

The commencement of September brings an average high-temperature of a still tropical 30.2°C (86.4°F), marking an inconsequential divergence from August. Masatepe reports an average low-temperature of 23.6°C (74.5°F) during the nights of September.

Heat index

For most parts of September, the heat index is calculated to be a very hot 39°C (102.2°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The average relative humidity in September in Masatepe is 82%.

Rainfall

In Masatepe, Nicaragua, in September, it is raining for 27.5 days, with typically 216mm (8.5") of accumulated precipitation. In Masatepe, during the entire year, the rain falls for 214.4 days and collects up to 1654mm (65.12") of precipitation.

Daylight

In September, the average length of the day in Masatepe is 12h and 11min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:54. On the last day of September, in Masatepe, sunrise is at 05:33 and sunset at 17:35 CST.

Sunshine

In Masatepe, the average sunshine in September is 8.4h.

UV index

The months with the highest UV index in Masatepe are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Masatepe, Nicaragua, are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.