September weather forecast
Bobon, Philippines

The first month of the autumn, September, is still a tropical month in Bobon, Philippines, with temperature in the range of an average high of 30°C (86°F) and an average low of 25.7°C (78.3°F).

Temperature

The average high-temperature during September registers at a still tropical 30°C (86°F), maintaining a close resemblance to the previous month. During the nights of September, the average low-temperature in Bobon holds at a warm 25.7°C (78.3°F).

Heat index

The heat index value during September is appraised at a fiery hot 37°C (98.6°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In September, the average relative humidity in Bobon is 79%.

Rainfall

In September, the rain falls for 21.3 days. Throughout September, 129mm (5.08") of precipitation is accumulated. In Bobon, Philippines, during the entire year, the rain falls for 269.1 days and collects up to 1558mm (61.34") of precipitation.

Sea temperature

In Bobon, the average seawater temperature in September is 29.3°C (84.7°F).
Note: For any water activity, the surface water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are deemed excellent and incredibly pleasant for longer durations.

Daylight

The average length of the day in September is 12h and 12min.
On the first day of September in Bobon, sunrise is at 5:31 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 5:32 pm PST.

Sunshine

In Bobon, the average sunshine in September is 8.1h.

UV index

The months with the highest UV index are February through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 7 in September translates into these instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Boost your sun resistance with garments that are densely woven yet spacious. Take heed! Reflections of sand and water make the Sun's UV rays stronger.