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 commences with an average high-temperature of a still hot 86.7°F (30.4°C), showing little deviation from August's 87.8°F (31°C). A slight dip in temperature to a warm 77.9°F (25.5°C) marks the average nights in Nokomis Beach during September.Heat index
September's heat index is evaluated at a very hot 100.4°F (38°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.For clarity, heat index numbers account for light winds and areas under shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. 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 are especially crucial for babies and toddlers. 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.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in September is 76%.Rainfall
In Nokomis Beach, in September, during 19.2 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Nokomis Beach, during the entire year, the rain falls for 150.8 days and collects up to 17.13" (435mm) of precipitation.Daylight
The average length of the day in September is 12h and 19min.On the first day of September, sunrise is at 7:09 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September in Nokomis Beach is 9.1h.UV index
The months with the highest UV index in Nokomis Beach 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the month with the highest UV index?
How high is the UV index in September?
Average temperature in September
Nokomis Beach, FL
- Average high temperature in September: 86.7°F
The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in September: 77.9°F
The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (57°F).
Average pressure in September
Nokomis Beach, 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
Nokomis Beach, FL
- Average wind speed in September: 7.8mph
The windiest months (with the highest average wind speed) are January and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Nokomis Beach, FL
- Average humidity in September: 76%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Nokomis Beach, FL
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is August (3.54").
The driest months (with the least rainfall) are February and March (0.43").
Average rainfall days in September
Nokomis Beach, FL
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is February (6.4 days).
Average daylight in September /
Average sunshine in September
Nokomis Beach, FL
- Average daylight in September: 12h and 2min
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: 9h and 1min
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 36min).
Average sunshine days in September
Nokomis Beach, FL
- Average sunshine days in September: 7 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is August (6 days).
Average UV index in September
Nokomis Beach, 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 and December (UV index 5).
Average cloud cover in September
Nokomis Beach, FL
- Average cloud cover in September: 27
The months with the most cloud cover are January and December (Cloud cover 29).
The month with the least cloud cover is May (Cloud cover 22).
Average visibility in September
Nokomis Beach, 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).
Nokomis Beach, Florida, USA
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