Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's weather displays an average high-temperature of a still hot 88.3°F (31.3°C), slightly varied from August's 90°F (32.2°C). Fort Lonesome experiences a mean temperature of 74.8°F (23.8°C) during September nights.Heat index
The heat index in September is calculated to be an extremely hot 105.8°F (41°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are of high significance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
The most humid month is September, with an average relative humidity of 77%.Rainfall
In September, the rain falls for 20.1 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. In Fort Lonesome, during the entire year, the rain falls for 159.5 days and collects up to 15.16" (385mm) of precipitation.Daylight
In Fort Lonesome, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 7 translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the most humid month?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Fort Lonesome have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Fort Lonesome have in September?
What are the months with the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Fort Lonesome, FL
- Average high temperature in September: 88.3°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (68.7°F).
- Average low temperature in September: 74.8°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).
Average pressure in September
Fort Lonesome, FL
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in September
Fort Lonesome, FL
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Fort Lonesome, FL
- Average humidity in September: 77%
The month with the highest relative humidity is September (77%).
The months with the lowest relative humidity are March, April and May (71%).
Average rainfall in September
Fort Lonesome, FL
- Average rainfall in September: 1.5"
The wettest months (with the highest rainfall) are July and August (2.68").
The driest months (with the least rainfall) are January, February and March (0.47").
Average rainfall days in September
Fort Lonesome, FL
- Average rainfall days in September: 20.1 days
The month with the highest number of rainy days is August (24.1 days).
The month with the least rainy days is February (6.7 days).
Average daylight in September /
Average sunshine in September
Fort Lonesome, FL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Fort Lonesome, FL
- Average sunshine days in September: 6.9 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is August (4.1 days).
Average UV index in September
Fort Lonesome, 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 month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Fort Lonesome, FL
- Average cloud cover in September: 29
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is May (Cloud cover 23).
Average visibility in September
Fort Lonesome, 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).
Fort Lonesome, Florida, USA
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