September weather forecastRomblon, Philippines
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Romblon, Philippines, with temperature in the range of an average low of 27.5°C (81.5°F) and an average high of 28.7°C (83.7°F).Temperature
The beginning of September records an average high-temperature of a still moderately hot 28.7°C (83.7°F), almost echoing the conditions of the previous month. Nighttime readings in Romblon during September register a minimal drop from daytime highs, averaging at a still moderately hot 27.5°C (81.5°F).Heat index
September's heat index is appraised at a hot 33°C (91.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.In reference to the heat index, it's for places in shade and with a slight wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Romblon, the average relative humidity in September is 77%.Rainfall
In Romblon, during September, the rain falls for 24.4 days and regularly aggregates up to 149mm (5.87") of precipitation. Throughout the year, in Romblon, Philippines, there are 280 rainfall days, and 1370mm (53.94") of precipitation is accumulated.Sea temperature
In September, the average sea temperature is 28.7°C (83.7°F).Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.
Daylight
The average length of the day in September in Romblon is 12h and 12min.On the first day of the month, sunrise is at 5:40 am and sunset at 6:01 pm. On the last day of September, in Romblon, Philippines, sunrise is at 5:40 am and sunset at 5:41 pm PST.
Sunshine
In September, the average sunshine in Romblon, Philippines, is 8.3h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Romblon. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 7 during September translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Enhance your sun protection with tightly woven, yet airy clothing. Attention! UV strength is notably upped by the reflection of sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Romblon, Philippines
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is May (29.7°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in September: 27.5°C
The month with the highest average low temperature is May (28.3°C).
The coldest month (with the lowest average low temperature) is February (25.4°C).
Average pressure in September
Romblon, Philippines
- Average pressure in September: 1008.5mbar
The month with the highest atmospheric pressure is February (1012.5mbar).
The months with the lowest atmospheric pressure are July and August (1008.1mbar).
Average wind speed in September
Romblon, Philippines
- Average wind speed in September: 19.6km/h
The windiest month (with the highest average wind speed) is January (25.2km/h).
The calmest month (with the lowest average wind speed) is May (11.2km/h).
Average humidity in September
Romblon, Philippines
- Average humidity in September: 77%
The months with the highest relative humidity are January, February and December (80%).
The months with the lowest relative humidity are May and June (75%).
Average rainfall in September
Romblon, Philippines
- Average rainfall in September: 149mm
The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is February (43mm).
Average rainfall days in September
Romblon, Philippines
- Average rainfall days in September: 24.4 days
The month with the highest number of rainy days is July (27 days).
The month with the least rainy days is February (16.2 days).
Average sea temperature in September
Romblon, Philippines
- Average sea temperature in September: 28.7°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 (26.5°C).
Average daylight in September /
Average sunshine in September
Romblon, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Romblon, Philippines
- Average sunshine days in September: 4.5 days
The month with the most sunshine days is February (9.2 days).
The month with the least sunshine days is June (2.3 days).
Average UV index in September
Romblon, 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
Romblon, Philippines
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is May (Cloud cover 29).
Average visibility in September
Romblon, Philippines
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
