September weather forecastTolosa, Philippines
September
Weather in September
September, the first month of the autumn in Tolosa, is also a hot month, with an average temperature fluctuating between 24°C (75.2°F) and 30.7°C (87.3°F).Temperature
The initiation of September sees an average high-temperature of a still hot 30.7°C (87.3°F), showing minor variations from the previous month. Nighttime temperature in Tolosa experiences an average drop to a moderately hot 24°C (75.2°F) in September.Heat index
The heat index for September is estimated at a blisteringly hot 40°C (104°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
In September, the average relative humidity in Tolosa is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 14.6 days and accumulates 37mm (1.46") of precipitation.Sea temperature
In Tolosa, Philippines, in September, the average water temperature is 29.3°C (84.7°F).Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.
Daylight
In Tolosa, the average length of the day in September is 12h and 11min.On the first day of September in Tolosa, sunrise is at 5:29 am and sunset at 5:49 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 5:30 pm PST.
Sunshine
In September, the average sunshine in Tolosa is 8.3h.UV index
The months with the highest UV index in Tolosa are April through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Attention! UV radiation is markedly stronger with water and sand reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tolosa, Philippines
- Average high temperature in September: 30.7°C
The warmest month (with the highest average high temperature) is May (31.3°C).
The month with the lowest average high temperature is January (27.7°C).
- Average low temperature in September: 24°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is March (22.9°C).
Average pressure in September
Tolosa, Philippines
- Average pressure in September: 1008.5mbar
The month with the highest atmospheric pressure is February (1011.9mbar).
The months with the lowest atmospheric pressure are July and August (1008.2mbar).
Average wind speed in September
Tolosa, Philippines
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest month (with the lowest average wind speed) is June (6.4km/h).
Average humidity in September
Tolosa, Philippines
- Average humidity in September: 81%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are May and August (80%).
Average rainfall in September
Tolosa, Philippines
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is September (37mm).
Average rainfall days in September
Tolosa, Philippines
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is January (22.9 days).
The month with the least rainy days is September (14.6 days).
Average sea temperature in September
Tolosa, Philippines
- Average sea temperature in September: 29.3°C
The best months for swimming (with the highest average sea temperature) are June and October (29.8°C).
The coldest month (with the lowest average sea temperature) is February (27.3°C).
Average daylight in September /
Average sunshine in September
Tolosa, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 8h and 18min
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 36min).
Average sunshine days in September
Tolosa, Philippines
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is August (14.8 days).
The month with the least sunshine days is January (5 days).
Average UV index in September
Tolosa, Philippines
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 6).
Average cloud cover in September
Tolosa, Philippines
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in September
Tolosa, Philippines
- Average visibility in September: 9km
The months with the highest visibility are June, August and September (9km).
The months with the lowest visibility are January, February, March, April, May, July, October, November and December (8km).





