September weather forecast
Kalimaro, Indonesia

The first month of the spring, September, is a hot month in Kalimaro, Indonesia, with temperature in the range of an average high of 30.6°C (87.1°F) and an average low of 22.6°C (72.7°F).

Temperature

The transition into September is marked with an average high-temperature of a hot 30.6°C (87.1°F), showing an insignificant shift from August's 29.9°C (85.8°F). September nights cool down to an average low-temperature of 22.6°C (72.7°F).

Heat index

The heat index in September is calculated to be a fiery hot 37°C (98.6°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

September and October, with an average relative humidity of 71%, are the least humid months.

Rainfall

In Kalimaro, during September, the rain falls for 10.7 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, there are 244.1 rainfall days, and 1216mm (47.87") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:45 and sunset at 17:44. On the last day of the month, sunrise is at 05:30 and sunset at 17:39 WIB.

Sunshine

July through September, with an average of 9.7h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.