September weather forecast
El Viejo, Nicaragua

The trend of generous rainfall continues in September with a precipitation total of 151mm (5.94"). The number of daylight hours slowly starts to recede. A higher humidity level marks the time, making the atmospheric condition slightly more dense. Still, temperatures hold steady retaining warmth that has persisted throughout the year. Despite the wet weather, El Viejo continues to captivate with its unique charm and quaint appeal.

Temperature

Transitioning into September, El Viejo experiences an average high-temperature of a still tropical 31.4°C (88.5°F), marking a minor shift from the preceding month. During the September nights, an average temperature of 24.3°C (75.7°F) is observed in El Viejo, Nicaragua.

Heat index

The heat index value during September is computed to be a blistering 42°C (107.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In El Viejo, during September, the rain falls for 27.5 days and regularly aggregates up to 151mm (5.94") of precipitation. In El Viejo, during the entire year, the rain falls for 185.2 days and collects up to 1036mm (40.79") of precipitation.

Daylight

In El Viejo, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 05:37 and sunset at 17:59. On the last day of September, sunrise is at 05:37 and sunset at 17:39 CST.

Sunshine

The average sunshine in September in El Viejo, Nicaragua, is 8.5h.

UV index

The months with the lowest UV index in El Viejo are January, February, April through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the UV index of 7 transforms into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.