September weather forecast
Jennings, FL

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Weather in September

September, the first month of the autumn in Jennings, is also a hot month, with an average temperature fluctuating between 70.5°F (21.4°C) and 88.2°F (31.2°C).

Temperature

Transitioning into September, Jennings experiences an average high-temperature of a still hot 88.2°F (31.2°C), marking a minor shift from the preceding month. Throughout September nights, Jennings registers an average low-temperature of 70.5°F (21.4°C).

Heat index

During September, the heat index is estimated at a blistering 104°F (40°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Jennings, the average relative humidity in September is 76%.

Rainfall

In Jennings, in September, during 16.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Jennings, during the entire year, the rain falls for 160.1 days and collects up to 24.49" (622mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

In Jennings, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 7:09 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:18 pm EDT.

Sunshine

In Jennings, the average sunshine in September is 8.4h.

UV index

In Jennings, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Jennings in September?

In September, the average high-temperature and low-temperature in Jennings, Florida, are 88.2°F (31.2°C) and 70.5°F (21.4°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in September is estimated at 104°F (40°C).

What is the average humidity in September in Jennings?

In Jennings, Florida, the average relative humidity in September is 76%.

How much does it rain in Jennings in September?

In Jennings, Florida, during September, the rain falls for 16.7 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow in Jennings?

In Jennings, Florida, snow does not fall in March through December.

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

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

When is the sunrise / sunset in September in Jennings?

On the first day of September in Jennings, sunrise is at 7:09 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:18 pm EDT.

How long on average sun shines in September in Jennings?

In Jennings, the average sunshine duration in September is 8.4h.

How high is the UV index in September in Jennings?

In September, the average daily maximum UV index in Jennings is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to 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
Jennings, FL

Average temperature in September - Jennings, FL
  • Average high temperature in September: 88.2°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (61.7°F).

  • Average low temperature in September: 70.5°F

The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average pressure in September
Jennings, FL

Average pressure in September - Jennings, FL
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in September
Jennings, FL

Average wind speed in September - Jennings, FL
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Jennings, FL

Average humidity in September - Jennings, FL
  • Average humidity in September: 76%

The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are April and May (70%).

Average rainfall in September
Jennings, FL

Average rainfall in September - Jennings, FL
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is November (0.98").

Average rainfall days in September
Jennings, FL

Average rainfall days in September - Jennings, FL
  • Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.6 days).

Average snowfall days in September
Jennings, FL

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

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

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

Average daylight in September / Average sunshine in September - Jennings, FL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Jennings, FL

Average sunshine days in September - Jennings, FL
  • Average sunshine days in September: 11.6 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is August (5.5 days).

Average UV index in September
Jennings, FL

Average UV index in September - Jennings, FL
  • Average UV index in September: 6

The 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 3).

Average cloud cover in September
Jennings, FL

Average cloud cover in September - Jennings, FL
  • Average cloud cover in September: 35

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in September
Jennings, FL

Average visibility in September - Jennings, FL
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are September and December (5mi).

Jennings, Florida, USA

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