September weather forecast
Cluster Springs, FL

Share

Weather in September

September, the first month of the autumn in Cluster Springs, is also a hot month, with an average temperature fluctuating between 71.2°F (21.8°C) and 87.4°F (30.8°C).

Temperature

September's onset sees an average high-temperature of a still tropical 87.4°F (30.8°C), exhibiting a slight fluctuation from the previous month. Cluster Springs anticipates an average minimum temperature of 71.2°F (21.8°C) in the month of September.

Heat index

The heat index in September is calculated to be a torrid 100.4°F (38°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Cluster Springs, in September, it is raining for 15.5 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 145 rainfall days, and 17.91" (455mm) of precipitation is accumulated.

Snowfall

In Cluster Springs, snow does not fall in February through December.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:30 pm CDT.

Sunshine

The average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 30, 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 87.4°F (30.8°C) and 71.2°F (21.8°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is calculated to be 100.4°F (38°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How many days does it rain in September?

In Cluster Springs, in September, during 15.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When it does not snow?

February through December are months without snowfall.

How many hours of daylight does Cluster Springs have in September?

In Cluster Springs, the average day length in September is 12h and 20min.

What time are sunrise and sunset in September in Cluster Springs?

On the first day of September, sunrise is at 6:21 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:30 pm CDT.

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

In September, the average sunshine duration is 9.2h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cluster Springs, FL

Average temperature in September - Cluster Springs, FL
  • Average high temperature in September: 87.4°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in September: 71.2°F

The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

Average pressure in September
Cluster Springs, FL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in September
Cluster Springs, FL

Average wind speed in September - Cluster Springs, FL
  • Average wind speed in September: 5.1mph

The windiest months (with the highest average wind speed) are January, February and March (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Cluster Springs, FL

Average humidity in September - Cluster Springs, FL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are May and October (70%).

Average rainfall in September
Cluster Springs, FL

Average rainfall in September - Cluster Springs, FL
  • Average rainfall in September: 1.22"

The wettest month (with the highest rainfall) is August (2.95").
The driest months (with the least rainfall) are January and November (0.83").

Average rainfall days in September
Cluster Springs, FL

Average rainfall days in September - Cluster Springs, FL
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in September
Cluster Springs, FL

Average snowfall in September - Cluster Springs, FL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Cluster Springs, FL

Average snowfall days in September - Cluster Springs, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Cluster Springs, 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: 9h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).

Average sunshine days in September
Cluster Springs, FL

Average sunshine days in September - Cluster Springs, FL
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is November (21.8 days).
The months with the least sunshine days are July and August (6.3 days).

Average UV index in September
Cluster Springs, FL

Average UV index in September - Cluster Springs, 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 3).

Average cloud cover in September
Cluster Springs, FL

Average cloud cover in September - Cluster Springs, FL
  • Average cloud cover in September: 26

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in September
Cluster Springs, FL

Average visibility in September - Cluster Springs, 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).

Cluster Springs, Florida, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location