September weather forecast
Salt Springs, FL

Weather in September

The first month of the autumn, September, is still a hot month in Salt Springs, Florida, with average temperature fluctuating between 88.7°F (31.5°C) and 73.4°F (23°C).

Temperature

In Salt Springs, the average high-temperature is practically the same as in August - a still hot 88.7°F (31.5°C). In Salt Springs, the average low-temperature is 73.4°F (23°C).

Heat index

The average heat index in September is evaluated at a blistering 107.2°F (41.8°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. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, clothing). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

August and September, with an average relative humidity of 78%, are most humid months in Salt Springs.

Rainfall

In September, the rain falls for 17.2 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. In Salt Springs, during the entire year, the rain falls for 159.8 days and collects up to 21.93" (557mm) of precipitation.

Daylight

In Salt Springs, the average length of the day is 12.3h.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In Salt Springs, Florida, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Salt Springs?

The average high-temperature, in September, is 88.7°F (31.5°C), while the average low-temperature is 73.4°F (23°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 107.2°F (41.8°C).

What is the most humid month in Salt Springs?

Months with the highest humidity in Salt Springs are August and September, with an average relative humidity of 78%.

What is the average humidity in September in Salt Springs?

In Salt Springs, the average relative humidity in September is 78%.

How many days does it rain in September in Salt Springs?

In Salt Springs, Florida, in September, it is raining for 17.2 days, with typically 2.01" (51mm) of accumulated precipitation.

What is the average length of the day in September in Salt Springs?

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

How long on average sun shines in September in Salt Springs?

The average sunshine in September in Salt Springs, Florida, is 8.5h.

What is the UV index reading in September in Salt Springs?

In Salt Springs, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Salt Springs, FL

Average temperature in September - Salt Springs, FL
  • Average high temperature in September: 88.7°F

The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (66.7°F).

  • Average low temperature in September: 73.4°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).

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Average pressure in September
Salt Springs, FL

Average pressure in September - Salt Springs, 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").

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Average wind speed in September
Salt Springs, FL

Average wind speed in September - Salt Springs, FL
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is July (4.1mph).

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Average humidity in September
Salt Springs, FL

Average humidity in September - Salt Springs, FL
  • Average humidity in September: 78%

Months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in September
Salt Springs, FL

Average rainfall in September - Salt Springs, FL
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is March (0.94").

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Average rainfall days in September
Salt Springs, FL

Average rainfall days in September - Salt Springs, FL
  • Average rainfall days in September: 17.2 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (8.4 days).

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Average daylight in September /
Average sunshine in September
Salt Springs, FL

Average daylight in September / Average sunshine in September - Salt Springs, 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: 8.5h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in September
Salt Springs, FL

Average sunshine days in September - Salt Springs, FL
  • Average sunshine days in September: 10.9 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (7.9 days).

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Average UV index in September
Salt Springs, FL

Average UV index in September - Salt Springs, 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).

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Average cloud cover in September
Salt Springs, FL

Average cloud cover in September - Salt Springs, FL
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 30).

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Average visibility in September
Salt Springs, FL

Average visibility in September - Salt Springs, 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).

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