September weather forecastBalaybay, Philippines

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Balaybay, Philippines, with an average temperature fluctuating between 28.9°C (84°F) and 25.3°C (77.5°F).

Temperature

With the advent of September, Balaybay's high-temperatures adjust to a still moderately hot 28.9°C (84°F), closely aligning with the preceding month. Throughout September, Balaybay observes a steady low-temperature average of 25.3°C (77.5°F), reflecting a minor dip from daytime highs.

Heat index

For September, the heat index is evaluated at a torrid 35°C (95°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

August and September, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Balaybay, during September, the rain falls for 27.1 days and regularly aggregates up to 296mm (11.65") of precipitation. Throughout the year, there are 237.5 rainfall days, and 1892mm (74.49") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 5:46 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 5:49 pm PST.

Sunshine

In Balaybay, the average sunshine in September is 8.3h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 7 transforms into the following advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

September temperatures vary between a high-temperature of 28.9°C (84°F) and a low-temperature of 25.3°C (77.5°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 35°C (95°F).

August and September, with an average relative humidity of 83%, are most humid months.

In Balaybay, the average relative humidity in September is 83%.

In September, the rain falls for 27.1 days. Throughout September, 296mm (11.65") of precipitation is accumulated.

The average day length in September in Balaybay is 12h and 13min.

On the first day of September, sunrise is at 5:46 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 5:49 pm PST.

In September, the average sunshine duration is 8.3h.

February through December, with an average maximum UV index of 7, are months with the highest UV index.

In Balaybay, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Balaybay, Philippines

  • Average high temperature in September: 28.9°C

The warmest month (with the highest average high temperature) is May (31.4°C).
The month with the lowest average high temperature is January (28.3°C).

  • Average low temperature in September: 25.3°C

The month with the highest average low temperature is May (26.4°C).
The coldest months (with the lowest average low temperature) are January and February (23°C).

Average pressure in September
Balaybay, Philippines

  • Average pressure in September: 1008.2mbar

The month with the highest atmospheric pressure is February (1013.1mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).

Average wind speed in September
Balaybay, Philippines

  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is January (13.4km/h).
The calmest month (with the lowest average wind speed) is May (8km/h).

Average humidity in September
Balaybay, Philippines

  • Average humidity in September: 83%

The months with the highest relative humidity are August and September (83%).
The months with the lowest relative humidity are March and April (73%).

Average rainfall in September
Balaybay, Philippines

  • Average rainfall in September: 296mm

The wettest month (with the highest rainfall) is August (424mm).
The driest month (with the least rainfall) is February (16mm).

Average rainfall days in September
Balaybay, Philippines

  • Average rainfall days in September: 27.1 days

The month with the highest number of rainy days is July (29.4 days).
The month with the least rainy days is February (8.9 days).

Average daylight in September /
Average sunshine in September
Balaybay, Philippines

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is April (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).

Average sunshine days in September
Balaybay, Philippines

  • Average sunshine days in September: 2.2 days

The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is July (1.5 days).

Average UV index in September
Balaybay, Philippines

  • Average UV index in September: 7

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

Average cloud cover in September
Balaybay, Philippines

  • Average cloud cover in September: 46

The month with the most cloud cover is August (Cloud cover 53).
The months with the least cloud cover are February and March (Cloud cover 23).

Average visibility in September
Balaybay, Philippines

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).