September weather forecast
Simunul, Philippines

September

Weather in September

September, the first month of the autumn in Simunul, is also a moderately hot month, with an average temperature ranging between min 27.8°C (82°F) and max 29°C (84.2°F).

Temperature

The initiation of September sees a high-temperature average of a still warm 29°C (84.2°F), identical to the preceding month. Throughout the nights in September, Simunul notes an average low of 27.8°C (82°F), a small dip from the daytime peak.

Heat index

For most parts of September, the heat index is evaluated at a tropical 33°C (91.4°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
The standards for the heat index are set for locations in shade and under light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The months with the lowest humidity in Simunul are May, June, September and October, with an average relative humidity of 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 17.6 days and accumulates 46mm (1.81") of precipitation.

Sea temperature

In Simunul, Philippines, the average seawater temperature in September is 29.1°C (84.4°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In September, the average length of the day in Simunul is 12h and 9min.
On the first day of the month, sunrise is at 5:54 am and sunset at 6:06 pm. On the last day of September, in Simunul, sunrise is at 5:48 am and sunset at 5:53 pm PST.

Sunshine

In September, the average sunshine is 10.1h.

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 Simunul are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 7 in September translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take caution! The UV rays from the Sun gain strength from sand and water reflections.

Frequently asked questions

How hot does it get in Simunul in September?
The high-temperature in Simunul during September is 29°C (84.2°F) and the low-temperature is 27.8°C (82°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 33°C (91.4°F).
What are the least humid months in Simunul?
The months with the lowest humidity are May, June, September and October, with an average relative humidity of 74%.
What is the average humidity in September in Simunul?
In September, the average relative humidity is 74%.
What is the driest month in Simunul?
The month with the least rainfall in Simunul, Philippines, is September, when the rain falls for 17.6 days and typically collects 46mm (1.81") of precipitation.
How much does it rain in Simunul in September?
In September, in Simunul, the rain falls for 17.6 days. Throughout September, 46mm (1.81") of precipitation is accumulated.
What is the water temperature in September in Simunul?
In Simunul, Philippines, in September, the average water temperature is 29.1°C (84.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
What is the average length of the day in September in Simunul?
In September, the average day length is 12h and 9min.
When are sunrise and sunset in September in Simunul?
On the first day of September in Simunul, sunrise is at 5:54 am and sunset at 6:06 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 5:53 pm PST.
How many hours of sunshine does Simunul have in September?
The average sunshine duration in September is 10.1h.
What are the months with the highest UV index in Simunul?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Simunul, Philippines.
What are the months with the lowest UV index in Simunul?
The months with the lowest UV index in Simunul are January through December, with an average maximum UV index of 7.
How high is the UV index in September in Simunul?
In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health threat 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Simunul, Philippines
Average temperature in September
Simunul, Philippines
  • Average high temperature in September: 29°C

The warmest month (with the highest average high temperature) is May (29.4°C).
The month with the lowest average high temperature is February (27.9°C).

  • Average low temperature in September: 27.8°C

The month with the highest average low temperature is May (28.4°C).
The coldest month (with the lowest average low temperature) is February (26.9°C).

Average pressure in September - Simunul, Philippines
Average pressure in September
Simunul, Philippines
  • Average pressure in September: 1009.3mbar

The month with the highest atmospheric pressure is February (1010.1mbar).
The months with the lowest atmospheric pressure are November and December (1008.6mbar).

Average wind speed in September - Simunul, Philippines
Average wind speed in September
Simunul, Philippines
  • Average wind speed in September: 14.5km/h

The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is May (10km/h).

Average humidity in September - Simunul, Philippines
Average humidity in September
Simunul, Philippines
  • Average humidity in September: 74%

The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are May, June, September and October (74%).

Average rainfall in September - Simunul, Philippines
Average rainfall in September
Simunul, Philippines
  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is January (122mm).
The driest month (with the least rainfall) is September (46mm).

Average rainfall days in September - Simunul, Philippines
Average rainfall days in September
Simunul, Philippines
  • Average rainfall days in September: 17.6 days

The month with the highest number of rainy days is December (24.2 days).
The month with the least rainy days is September (17.6 days).

Average sea temperature in September - Simunul, Philippines
Average sea temperature in September
Simunul, Philippines
  • Average sea temperature in September: 29.1°C

The best month for swimming (with the highest average sea temperature) is June (29.7°C).
The coldest month (with the lowest average sea temperature) is January (28.1°C).

Average daylight in September / Average sunshine in September - Simunul, Philippines
Average daylight in September /
Average sunshine in September
Simunul, Philippines
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in September: 10h and 1min

The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in September - Simunul, Philippines
Average sunshine days in September
Simunul, Philippines
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is May (11.7 days).
The month with the least sunshine days is December (5.8 days).

Average UV index in September - Simunul, Philippines
Average UV index in September
Simunul, 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 - Simunul, Philippines
Average cloud cover in September
Simunul, Philippines
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is May (Cloud cover 32).

Average visibility in September - Simunul, Philippines
Average visibility in September
Simunul, 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).

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