September weather forecast and climate
Belleview, FL

September, the first month of the autumn, in Belleview, is still a hot month, with average temperature varying between 88.2°F (31.2°C) and 72.7°F (22.6°C).

Temperature

In Belleview, Florida, the average high-temperature is almost the same as in August - a still tropical 88.2°F (31.2°C). In Belleview, the average low-temperature is 72.7°F (22.6°C).

Heat index

In September, the average heat index is estimated at a blistering 105.4°F (40.8°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, differences in body mass, height, and shape, wind, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

Months with the highest humidity in Belleview are July through September, with an average relative humidity of 78%.

Rainfall

In September, the rain falls for 18.5 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 159.3 rainfall days, and 21.1" (536mm) of precipitation is accumulated.

Snowfall

In Belleview, Florida, snow does not fall in February through December.

Daylight

In Belleview, Florida, the average length of the day is 12.3h.

Sunshine

In Belleview, the average sunshine in September is 8.6h.

UV index

In Belleview, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Belleview?

In September, in Belleview, Florida, the average high-temperature is 88.2°F (31.2°C), and the average low-temperature is 72.7°F (22.6°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, is estimated at 105.4°F (40.8°C).

What are the most humid months in Belleview?

Months with the highest humidity are July through September, with an average relative humidity of 78%.

What is the average humidity in September in Belleview?

In Belleview, Florida, the average relative humidity in September is 78%.

How many days does it rain in September in Belleview?

In Belleview, in September, during 18.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Belleview?

February through December are months without snowfall in Belleview.

What is the average length of the day in September in Belleview?

The average length of the day in September in Belleview is 12.3h.

How many hours of sunshine does Belleview have in September?

In September, the average sunshine in Belleview, Florida, is 8.6h.

What is the UV index intensity in September in Belleview?

The average daily maximum UV index in September in Belleview, Florida, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Belleview, 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, FL
  • Average pressure in September: 29.97"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is September (29.97").

Average wind speed in September - Belleview, 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, FL
  • Average humidity in September: 78%

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, 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, 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, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.1 days).
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, FL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is May (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 6h).

Average sunshine days in September - Belleview, 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, FL
  • Average UV index in September: 6

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, 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, FL
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).