September weather forecastSitamarhi, India

Weather in September

The last month of the rainy (monsoon) season, September, is also a hot month in Sitamarhi, India, with an average temperature varying between 25.6°C (78.1°F) and 33.1°C (91.6°F).

Temperature

During September, the average high-temperature is a still hot 33.1°C (91.6°F), maintaining a close resemblance to that of the preceding month. In September, Sitamarhi experiences an average nighttime temperature of 25.6°C (78.1°F).

Heat index

The heat index value during September is evaluated at a life-threatening hot 45°C (113°F). Attention: Heat exhaustion and heat cramps are anticipated. Prolonged effort can result in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. 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. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The most humid month is September, with an average relative humidity of 73%.

Rainfall

In Sitamarhi, in September, during 19.5 rainfall days, 129mm (5.08") of precipitation is typically accumulated. In Sitamarhi, during the entire year, the rain falls for 108.6 days and collects up to 711mm (27.99") of precipitation.

Daylight

In September, the average length of the day in Sitamarhi is 12h and 19min.
On the first day of the month, sunrise is at 5:27 am and sunset at 6:08 pm. On the last day of September, in Sitamarhi, sunrise is at 5:40 am and sunset at 5:35 pm IST.

Sunshine

In September, the average sunshine in Sitamarhi, India, is 8.7h.

UV index

In Sitamarhi, India, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.