September weather forecast
Montero, Bolivia

September's weather in Montero is characterized by a steady climb in temperatures. Delayed rainfall combined with increased daylight hours and sunshine makes for extended clear skies. Although rainfall increases slightly to 25mm (0.98"), it is spread over a lesser number of days at 7.7. The reduced cloud cover of 23% makes way for bountiful sunshine that reaches a maximum of 9.7 hours.

Temperature

The shift to September in Montero, Bolivia, signals an average high-temperature of a hot 31.9°C (89.4°F), subtly varied from August's 29°C (84.2°F). Despite drastic daily temperature oscillations, Montero cools down to an average low-temperature of 19.7°C (67.5°F) in September.

Heat index

For September, the heat index is calculated to be a tropical 34°C (93.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The least humid month in Montero is September, with an average relative humidity of 51%.

Rainfall

In September, the rain falls for 7.7 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Montero, during the entire year, the rain falls for 196.4 days and collects up to 938mm (36.93") of precipitation.

Daylight

In September, the average length of the day in Montero, Bolivia, is 12h and 1min.
On the first day of September, sunrise is at 06:19 and sunset at 18:06. On the last day of the month, sunrise is at 05:55 and sunset at 18:10 -04.

Sunshine

The average sunshine in September is 9.7h.

UV index

January, August through October, with an average maximum UV index of 7, are months with the highest UV index in Montero, Bolivia. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.