September weather forecast
Slawi, Indonesia

September, the first month of the spring in Slawi, is a hot month, with an average temperature fluctuating between 21.3°C (70.3°F) and 30.2°C (86.4°F).

Temperature

Slawi, Indonesia, experiences an average high-temperature of a hot 30.2°C (86.4°F) in September, subtly different from August's 29.7°C (85.5°F). Slawi experiences a consistent average temperature of 21.3°C (70.3°F) throughout the nights in September.

Heat index

Throughout September, the heat index is evaluated at a torrid 37°C (98.6°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

September and October, with an average relative humidity of 76%, are the least humid months.

Rainfall

In Slawi, during September, the rain falls for 14.8 days and regularly aggregates up to 44mm (1.73") of precipitation. Throughout the year, there are 268.1 rainfall days, and 2169mm (85.39") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:43 and sunset at 17:42. On the last day of September, sunrise is at 05:28 and sunset at 17:38 WIB.

Sunshine

In Slawi, the average sunshine in September is 8.8h.

UV index

February through June, September, October and December, with an average maximum UV index of 7, are months with the highest UV index in Slawi. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.