September weather forecast
Belspur, FL

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Weather in September

September, the first month of the autumn in Belspur, is still a hot month, with an average temperature varying between 86.9°F (30.5°C) and 77.4°F (25.2°C).

Temperature

During September, Belspur observes a subtle ascent to a still tropical 86.9°F (30.5°C) from August's 88.5°F (31.4°C) in the average high-temperature. The low-temperature average for Belspur during September stands at a moderately hot 77.4°F (25.2°C).

Heat index

The heat index value for September is calculated to be a fiery hot 100.4°F (38°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The average relative humidity in September is 75%.

Rainfall

In September, the rain falls for 23.5 days. Throughout September, 4.61" (117mm) of precipitation is accumulated. In Belspur, during the entire year, the rain falls for 183.1 days and collects up to 34.92" (887mm) of precipitation.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of September in Belspur, 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

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 unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the UV index of 7 transforms into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

In September, the average high-temperature and low-temperature are 86.9°F (30.5°C) and 77.4°F (25.2°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 100.4°F (38°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

How many days does it rain in September?

In Belspur, in September, during 23.5 rainfall days, 4.61" (117mm) of precipitation is typically accumulated.

How many hours of daylight does Belspur have in September?

In Belspur, the average day length in September is 12h and 19min.

What time are sunrise and sunset in September in Belspur?

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.

How long on average sun shines in September in Belspur?

In September, the average sunshine duration is 9h.

What are the months with the highest UV index?

The months with the highest UV index are May through September, with an average maximum UV index of 7.

What is the UV index reading in September?

In Belspur, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Belspur, FL

Average temperature in September - Belspur, FL
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (68.5°F).

  • Average low temperature in September: 77.4°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).

Average pressure in September
Belspur, FL

Average pressure in September - Belspur, FL
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

Average wind speed in September
Belspur, FL

Average wind speed in September - Belspur, FL
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

Average humidity in September
Belspur, FL

Average humidity in September - Belspur, FL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are March, April and May (72%).

Average rainfall in September
Belspur, FL

Average rainfall in September - Belspur, FL
  • Average rainfall in September: 4.61"

The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").

Average rainfall days in September
Belspur, FL

Average rainfall days in September - Belspur, FL
  • Average rainfall days in September: 23.5 days

The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, February and November (8.3 days).

Average daylight in September /
Average sunshine in September
Belspur, FL

Average daylight in September / Average sunshine in September - Belspur, 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 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 30min).

Average sunshine days in September
Belspur, FL

Average sunshine days in September - Belspur, FL
  • Average sunshine days in September: 4.5 days

The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).

Average UV index in September
Belspur, FL

Average UV index in September - Belspur, 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
Belspur, FL

Average cloud cover in September - Belspur, FL
  • Average cloud cover in September: 28

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 22).

Average visibility in September
Belspur, FL

Average visibility in September - Belspur, 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).

Belspur, Florida, USA

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