September weather forecast
Badulla, Sri Lanka

September brings in a new wave of weather shift with a noticeable increase in rainfall, with a jump to 182mm (7.17"), framing a unique weather pattern. The increase in rain translates to a rise in the overall humidity levels, although the temperatures remain quite constant. There's no significant shift in the amount of sunshine; hence, there's still plenty of daylight for exploration. Despite the rains, periods of warm, pleasant temperatures occur frequently. Given the distinct weather conditions, September offers a unique travel experience for both locals and tourists.

Temperature

With the onset of September, a high-temperature average of a still warm 27.1°C (80.8°F) emerges, matching that of August. Throughout September in Badulla, a steady low-temperature average of 18.7°C (65.7°F) is noted.

Heat index

September's mean heat index is estimated at a hot 30°C (86°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In September, the average relative humidity is 82%.

Rainfall

In Badulla, during September, the rain falls for 25.5 days and regularly aggregates up to 182mm (7.17") of precipitation. Throughout the year, in Badulla, there are 297.4 rainfall days, and 2784mm (109.61") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 10min.
On the first day of September, sunrise is at 05:58 and sunset at 18:13. On the last day of the month, sunrise is at 05:53 and sunset at 17:57 +0530.

Sunshine

The average sunshine in September is 9.5h.

UV index

The months with the highest UV index are February through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.