September weather forecastLahan, Nepal

Weather in September

September brings a sense of respite to the people of Lahan, Nepal as it marks the end of the monsoon season. A noticeable dip in rainfall, down to 147mm (5.79"), signifies the start of the transition into autumn. Temperatures remain relatively high and humidity begins its descent. Wind conditions see a slight reduction, creating a calm and serene atmosphere. The city once again starts enjoying ample sunshine and daylight hours.

Temperature

The unfolding of September shows an average high-temperature of a still tropical 32.8°C (91°F), indicating a slight variance from August's 34.2°C (93.6°F). An average minimum temperature of 24.6°C (76.3°F) is recorded during the month of September.

Heat index

The heat index value during September is calculated to be a blazing hot 45°C (113°F). Be prepared: Heat cramps and heat exhaustion are probable. Continued activity may lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The most humid month is September, with an average relative humidity of 74%.

Rainfall

In Lahan, in September, it is raining for 23 days, with typically 147mm (5.79") of accumulated precipitation. Throughout the year, there are 141 rainfall days, and 828mm (32.6") of precipitation is accumulated.

Daylight

In Lahan, the average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 5:38 am and sunset at 6:19 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 5:46 pm +0545.

Sunshine

In September, the average sunshine is 9.9h.

UV index

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In September, a regular UV index of 7 translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.