September weather forecast
Otter Creek, FL

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Weather in September

September, the first month of the autumn in Otter Creek, is still a tropical month, with an average temperature varying between 87.3°F (30.7°C) and 72.9°F (22.7°C).

Temperature

In September, Otter Creek experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 90.3°F (32.4°C) in August to a still tropical 87.3°F (30.7°C). The nighttime temperature in Otter Creek, Florida, dips to a pleasant 72.9°F (22.7°C) on average during September.

Heat index

Throughout September, the heat index is evaluated at a fiery hot 102.2°F (39°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The most humid month in Otter Creek is September, with an average relative humidity of 77%.

Rainfall

In Otter Creek, during September, the rain falls for 18.7 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Otter Creek, during the entire year, the rain falls for 154 days and collects up to 21.69" (551mm) of precipitation.

Snowfall

January through November are months without snowfall.

Daylight

In Otter Creek, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 7:09 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:17 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In Otter Creek, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Otter Creek in September?

In Otter Creek, 87.3°F (30.7°C) is the average high-temperature and 72.9°F (22.7°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 102.2°F (39°C).

What is the most humid month in Otter Creek?

With an average relative humidity of 77%, September is the most humid month.

What is the average humidity in September in Otter Creek?

The average relative humidity in September in Otter Creek is 77%.

How many days does it rain in September in Otter Creek?

In Otter Creek, during September, the rain falls for 18.7 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in Otter Creek?

In Otter Creek, snow does not fall in January through November.

What is the average length of the day in September in Otter Creek?

The average day length in September in Otter Creek, Florida, is 12h and 20min.

When is the sunrise / sunset in September in Otter Creek?

On the first day of September in Otter Creek, Florida, sunrise is at 7:09 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:17 pm EDT.

How long on average sun shines in September in Otter Creek?

The average sunshine duration in September in Otter Creek, Florida, is 8.6h.

How high is the UV index in September in Otter Creek?

In Otter Creek, Florida, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Otter Creek, FL

Average temperature in September - Otter Creek, FL
  • Average high temperature in September: 87.3°F

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is January (64°F).

  • Average low temperature in September: 72.9°F

The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

Average pressure in September
Otter Creek, FL

Average pressure in September - Otter Creek, FL
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

Average wind speed in September
Otter Creek, FL

Average wind speed in September - Otter Creek, FL
  • Average wind speed in September: 5.4mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in September
Otter Creek, FL

Average humidity in September - Otter Creek, FL
  • Average humidity in September: 77%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is January (71%).

Average rainfall in September
Otter Creek, FL

Average rainfall in September - Otter Creek, FL
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is November (0.83").

Average rainfall days in September
Otter Creek, FL

Average rainfall days in September - Otter Creek, FL
  • Average rainfall days in September: 18.7 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (6.6 days).

Average snowfall days in September
Otter Creek, FL

Average snowfall days in September - Otter Creek, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Otter Creek, FL

Average daylight in September / Average sunshine in September - Otter Creek, 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 July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in September
Otter Creek, FL

Average sunshine days in September - Otter Creek, FL
  • Average sunshine days in September: 8.8 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (5.8 days).

Average UV index in September
Otter Creek, FL

Average UV index in September - Otter Creek, FL
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in September
Otter Creek, FL

Average cloud cover in September - Otter Creek, FL
  • Average cloud cover in September: 31

The months with the most cloud cover are February and December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 25).

Average visibility in September
Otter Creek, FL

Average visibility in September - Otter Creek, 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).

Otter Creek, Florida, USA

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