September weather forecast
Srengsem, Indonesia

The first month of the spring, September, is also a hot month in Srengsem, Indonesia, with an average temperature fluctuating between 22.4°C (72.3°F) and 31.3°C (88.3°F).

Temperature

Srengsem experiences a minor change to a still tropical 31.3°C (88.3°F) in average high-temperature during September, closely reflecting August. Srengsem's nighttime temperature during September is consistently averaged at a pleasant 22.4°C (72.3°F).

Heat index

The heat index value for September is appraised at an extremely hot 41°C (105.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. 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 particularly meaningful for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

September and October, with an average relative humidity of 78%, are the least humid months in Srengsem.

Rainfall

In Srengsem, during September, the rain falls for 16.3 days and regularly aggregates up to 48mm (1.89") of precipitation. In Srengsem, Indonesia, during the entire year, the rain falls for 296.2 days and collects up to 1712mm (67.4") of precipitation.

Daylight

In Srengsem, Indonesia, the average length of the day in September is 12h and 5min.
On the first day of the month, sunrise is at 05:58 and sunset at 17:58. On the last day of September, sunrise is at 05:43 and sunset at 17:53 WIB.

Sunshine

September has the most sunshine of the year in Srengsem, Indonesia, with an average of 9h of sunshine.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.