September weather forecast and climate
Bahia Shores, FL

September, the first month of the autumn, in Bahia Shores, is still a tropical month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 77.9°F (25.5°C).

Temperature

In Bahia Shores, Florida, the average high-temperature is practically the same as in August - a still hot 86.5°F (30.3°C). The average low-temperature, in Bahia Shores, is 77.9°F (25.5°C).

Heat index

In September, the average heat index is evaluated at a torrid 98.4°F (36.9°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, differences in body mass, height, and shape, metabolic differences, and activity influence one's weather impression. 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 particularly important for children. 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in Bahia Shores is 74%.

Rainfall

In September, the rain falls for 17.5 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in Bahia Shores, there are 122.3 rainfall days, and 9.45" (240mm) of precipitation is accumulated.

Daylight

The average length of the day is 12.3h.

Sunshine

The average sunshine in September is 9.2h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Bahia Shores?

In September, in Bahia Shores, Florida, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 77.9°F (25.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines both air temperature and relative humidity, in September is evaluated at 98.4°F (36.9°C).

What is the average humidity in September in Bahia Shores?

In September, the average relative humidity is 74%.

How much does it rain in Bahia Shores in September?

In Bahia Shores, in September, during 17.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

What is the average length of the day in September in Bahia Shores?

In September, the average length of the day in Bahia Shores is 12.3h.

How many hours of sunshine does Bahia Shores have in September?

In September, the average sunshine in Bahia Shores is 9.2h.

What is the month with the highest UV index in Bahia Shores?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Bahia Shores, Florida.

What is the UV index reading in September in Bahia Shores?

In Bahia Shores, Florida, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Bahia Shores, FL
  • Average high temperature in September: 86.5°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 (66.7°F).

  • Average low temperature in September: 77.9°F

The month with the highest average low temperature is August (80.6°F).
The coldest month (with the lowest average low temperature) is January (56.3°F).

Average pressure in September - Bahia Shores, FL
  • Average pressure in September: 29.96"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.96").

Average wind speed in September - Bahia Shores, FL
  • Average wind speed in September: 7.9mph

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 (7mph).

Average humidity in September - Bahia Shores, FL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September - Bahia Shores, FL
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is March (0.12").

Average rainfall days in September - Bahia Shores, FL
  • Average rainfall days in September: 17.5 days

The month with the highest number of rainy days is August (18.5 days).
Months with the least rainy days are January, February and March (5.6 days).

Average daylight in September / Average sunshine in September - Bahia Shores, FL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in September: 9.2h

The month with the most sunshine is May (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 6.6h).

Average sunshine days in September - Bahia Shores, FL
  • Average sunshine days in September: 8 days

The month with the most sunshine days is March (24.3 days).
The month with the least sunshine days is August (5.6 days).

Average UV index in September - Bahia Shores, FL
  • Average UV index in September: 7

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 - Bahia Shores, FL
  • Average cloud cover in September: 26

Months with the most cloud cover are January and December (Cloud cover 29).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in September - Bahia Shores, 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).