September weather forecastHimensulan, Philippines

September

Weather in September

September, the first month of the autumn in Himensulan, is also a moderately hot month, with an average temperature varying between 29.7°C (85.5°F) and 25.3°C (77.5°F).

Temperature

Himensulan experiences an average high-temperature of a warm 29.7°C (85.5°F) in September, subtly different from August's 30.1°C (86.2°F). Himensulan, in the month of September, notes an average low temperature of 25.3°C (77.5°F), indicating a small decrease from the daytime highs.

Heat index

The average heat index in September is computed to be a very hot 36°C (96.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Himensulan, in September, it is raining for 22.7 days, with typically 81mm (3.19") of accumulated precipitation. In Himensulan, during the entire year, the rain falls for 250.7 days and collects up to 1137mm (44.76") of precipitation.

Sea temperature

In Himensulan, the average seawater temperature in September is 29.2°C (84.6°F).
Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.

Daylight

The average length of the day in September is 12h and 11min.
On the first day of September, sunrise is at 5:33 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 5:34 pm PST.

Sunshine

The average sunshine in September is 7.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Himensulan are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Warning! The reflection of sand and water increases the UV dose.

Frequently asked questions

The high-temperature, in September, in Himensulan, is 29.7°C (85.5°F), while the low-temperature averages to 25.3°C (77.5°F). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 36°C (96.8°F).

The average relative humidity in September is 78%.

In Himensulan, during September, the rain falls for 22.7 days and regularly aggregates up to 81mm (3.19") of precipitation.

In Himensulan, Philippines, in September, the average water temperature is 29.2°C (84.6°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

The average day length in September is 12h and 11min.

On the first day of September in Himensulan, sunrise is at 5:33 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 5:34 pm PST.

The average sunshine duration in September is 7.9h.

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

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Himensulan, Philippines

  • Average high temperature in September: 29.7°C

The warmest month (with the highest average high temperature) is May (30.4°C).
The month with the lowest average high temperature is January (27.6°C).

  • Average low temperature in September: 25.3°C

The month with the highest average low temperature is May (25.9°C).
The coldest month (with the lowest average low temperature) is February (24.1°C).

Average pressure in September
Himensulan, Philippines

  • Average pressure in September: 1008.9mbar

The month with the highest atmospheric pressure is February (1011.7mbar).
The months with the lowest atmospheric pressure are July and August (1008.5mbar).

Average wind speed in September
Himensulan, Philippines

  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is January (15.7km/h).
The calmest month (with the lowest average wind speed) is May (8.3km/h).

Average humidity in September
Himensulan, Philippines

  • Average humidity in September: 78%

The months with the highest relative humidity are January, November and December (82%).
The months with the lowest relative humidity are May and August (77%).

Average rainfall in September
Himensulan, Philippines

  • Average rainfall in September: 81mm

The wettest month (with the highest rainfall) is November (155mm).
The driest months (with the least rainfall) are March and April (47mm).

Average rainfall days in September
Himensulan, Philippines

  • Average rainfall days in September: 22.7 days

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (16.6 days).

Average sea temperature in September
Himensulan, Philippines

  • Average sea temperature in September: 29.2°C

The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).

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

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in September
Himensulan, Philippines

  • Average sunshine days in September: 5.5 days

The months with the most sunshine days are March and April (10.3 days).
The months with the least sunshine days are September and October (5.5 days).

Average UV index in September
Himensulan, Philippines

  • Average UV index in September: 7

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

Average cloud cover in September
Himensulan, Philippines

  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are April and May (Cloud cover 36).

Average visibility in September
Himensulan, Philippines

  • Average visibility in September: 10km

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