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 snowfall 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
August's transformation into September witnesses an average high-temperature of a still hot 88.2°F (31.2°C), noting a minor change from the preceding month. The average temperature during September nights dips to an agreeable 72.7°F (22.6°C).Heat index
September's average heat index is estimated at a scorching 105.8°F (41°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
July through September, with an average relative humidity of 78%, are the most humid months.Rainfall
In Belleview Heights, during September, the rain falls for 18.5 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Belleview Heights, during the entire year, the rain falls for 159.3 days and collects up to 21.1" (536mm) of precipitation.Snowfall
In Belleview Heights, Florida, snow does not fall in February through December.Daylight
In September, the average length of the day is 12h and 19min.On the first day of September, sunrise is at 7:06 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 6 transforms into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What are the most humid months?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
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 UV index reading in September?
Average temperature in September
Belleview Heights, FL
- Average high temperature in September: 88.2°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 (66.6°F).
- Average low temperature in September: 72.7°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in September
Belleview Heights, FL
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in September
Belleview Heights, FL
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in September
Belleview Heights, FL
- Average humidity in September: 78%
The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Belleview Heights, FL
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is March (0.71").
Average rainfall days in September
Belleview Heights, FL
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is November (7 days).
Average snowfall days in September
Belleview Heights, FL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Belleview Heights, FL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is May (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Belleview Heights, FL
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is July (6.3 days).
Average UV index in September
Belleview Heights, FL
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Belleview Heights, FL
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 29).
Average visibility in September
Belleview Heights, 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).
Belleview Heights, Florida, USA
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