September weather forecastHull, FL
September
Weather in September
September, the first month of the autumn in Hull, is still a hot month, with temperature in the range of an average low of 74.3°F (23.5°C) and an average high of 88.3°F (31.3°C).Temperature
With the advent of September, Hull's high-temperatures adjust to a still tropical 88.3°F (31.3°C), closely aligning with the preceding month. Hull registers a consistent average low-temperature of 74.3°F (23.5°C) during September.Heat index
September's average heat index is evaluated at a blistering 107.6°F (42°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
With an average relative humidity of 80%, September is the most humid month in Hull.Rainfall
In Hull, in September, it is raining for 23.5 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 187.3 rainfall days, and 28.62" (727mm) of precipitation is accumulated.Daylight
The average length of the day in September in Hull is 12h and 19min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index in Hull, Florida. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 7 in September translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hull, FL
- Average high temperature in September: 88.3°F
The warmest months (with the highest average high temperature) are July and August (90.1°F).
The month with the lowest average high temperature is January (70.5°F).
- Average low temperature in September: 74.3°F
The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (52.9°F).
Average pressure in September
Hull, FL
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in September
Hull, FL
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in September
Hull, FL
- Average humidity in September: 80%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is March (70%).
Average rainfall in September
Hull, FL
- Average rainfall in September: 3.31"
The wettest month (with the highest rainfall) is August (5.08").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Hull, FL
- Average rainfall days in September: 23.5 days
The months with the highest number of rainy days are July and August (25.7 days).
The month with the least rainy days is January (8.6 days).
Average daylight in September /
Average sunshine in September
Hull, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are May and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Hull, FL
- Average sunshine days in September: 4.7 days
The month with the most sunshine days is January (20.7 days).
The months with the least sunshine days are July and August (3.6 days).
Average UV index in September
Hull, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 5).
Average cloud cover in September
Hull, FL
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in September
Hull, FL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
