Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The advent of September signifies a minor shift to an average high-temperature of a still tropical 88°F (31.1°C), aligning closely with August. Sirmans encounters an average low-temperature of 70°F (21.1°C) during September nights.Heat index
September's mean heat index is calculated to be a blisteringly hot 104°F (40°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. 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 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. 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. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
The average relative humidity in September in Sirmans is 77%.Rainfall
In Sirmans, in September, it is raining for 19.2 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 181.5 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in September in Sirmans is 12h and 20min.On the first day of September in Sirmans, sunrise is at 7:11 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September in Sirmans is 8.4h.UV index
The average daily maximum UV index in September in Sirmans, Florida, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
How hot is September in Sirmans?
What is the average humidity in September in Sirmans?
How much does it rain in Sirmans in September?
When it does not snow in Sirmans?
What is the average length of the day in September in Sirmans?
What time are sunrise and sunset in September in Sirmans?
How long on average sun shines in September in Sirmans?
What is the UV index intensity in September in Sirmans?
Average temperature in September
Sirmans, FL
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in September: 70°F
The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (43°F).
Average pressure in September
Sirmans, 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
Sirmans, FL
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Sirmans, FL
- Average humidity in September: 77%
The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Sirmans, FL
- Average rainfall in September: 3.35"
The wettest month (with the highest rainfall) is August (5.2").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in September
Sirmans, FL
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall days in September
Sirmans, 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
Sirmans, 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 months with the most sunshine are May and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Sirmans, FL
- Average sunshine days in September: 7.9 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is August (3.7 days).
Average UV index in September
Sirmans, FL
- Average UV index in September: 6
The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Sirmans, FL
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are May and October (Cloud cover 30).
Average visibility in September
Sirmans, FL
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Sirmans, Florida, USA
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