September weather forecastImus, Philippines

September

Weather in September

The first month of the autumn, September, is still a tropical month in Imus, Philippines, with temperature in the range of an average high of 30.5°C (86.9°F) and an average low of 25.5°C (77.9°F).

Temperature

As Imus, Philippines, welcomes September, the average high-temperature stabilizes at a still tropical 30.5°C (86.9°F), showing little deviation from August's 30.2°C (86.4°F). Imus documents a consistent average low-temperature of 25.5°C (77.9°F) at night during September.

Heat index

The heat index in September is computed to be a fiery hot 39°C (102.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The months with the highest humidity in Imus are August and September, with an average relative humidity of 80%.

Rainfall

In Imus, during September, the rain falls for 16.5 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 130.2 rainfall days, and 290mm (11.42") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature in Imus is 28.4°C (83.1°F).
Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.

Daylight

The average length of the day in September in Imus is 12h and 13min.
On the first day of the month, sunrise is at 5:44 am and sunset at 6:08 pm. On the last day of September, sunrise is at 5:45 am and sunset at 5:46 pm PST.

Sunshine

The average sunshine in September is 8.3h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Imus. The months with the lowest UV index in Imus are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 in September translates into these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Alert! UV radiation becomes sharper due to reflections from sand and water.

Frequently asked questions

In Imus, 30.5°C (86.9°F) is the average high-temperature and 25.5°C (77.9°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is computed to be 39°C (102.2°F).

The months with the highest humidity in Imus, Philippines, are August and September, with an average relative humidity of 80%.

In September, the average relative humidity is 80%.

In September, in Imus, Philippines, the rain falls for 16.5 days. Throughout September, 43mm (1.69") of precipitation is accumulated.

In September, the average sea temperature in Imus, Philippines, is 28.4°C (83.1°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.

In September, the average day length in Imus, Philippines, is 12h and 13min.

On the first day of September, sunrise is at 5:44 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 5:46 pm PST.

In Imus, the average sunshine duration in September is 8.3h.

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

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

The average daily maximum UV index in September in Imus, Philippines, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Imus, Philippines

  • Average high temperature in September: 30.5°C

The warmest month (with the highest average high temperature) is May (33.1°C).
The month with the lowest average high temperature is January (28.3°C).

  • Average low temperature in September: 25.5°C

The month with the highest average low temperature is June (26.8°C).
The coldest months (with the lowest average low temperature) are January and February (23.7°C).

Average pressure in September
Imus, Philippines

  • Average pressure in September: 1008.2mbar

The month with the highest atmospheric pressure is February (1013.2mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).

Average wind speed in September
Imus, Philippines

  • Average wind speed in September: 9.3km/h

The windiest month (with the highest average wind speed) is January (13.2km/h).
The calmest month (with the lowest average wind speed) is May (8.5km/h).

Average humidity in September
Imus, Philippines

  • Average humidity in September: 80%

The months with the highest relative humidity are August and September (80%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Imus, Philippines

  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is August (63mm).
The driest month (with the least rainfall) is February (2mm).

Average rainfall days in September
Imus, Philippines

  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (3.5 days).

Average sea temperature in September
Imus, Philippines

  • Average sea temperature in September: 28.4°C

The best months for swimming (with the highest average sea temperature) are May and June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (27.1°C).

Average daylight in September /
Average sunshine in September
Imus, 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 18min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in September
Imus, Philippines

  • Average sunshine days in September: 10.1 days

The month with the most sunshine days is March (25.4 days).
The month with the least sunshine days is July (8.3 days).

Average UV index in September
Imus, 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
Imus, Philippines

  • Average cloud cover in September: 44

The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is April (Cloud cover 25).

Average visibility in September
Imus, 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).