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 shift from August to September is characterized by an average high-temperature of a still hot 87.3°F (30.7°C), not significantly different from the 90.3°F (32.4°C) of August. Chiefland reports a consistent average low-temperature of 72.9°F (22.7°C) throughout September nights.Heat index
September's average heat index is computed to be a fiery hot 102.2°F (39°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
With an average relative humidity of 77%, September is the most humid month.Rainfall
In Chiefland, in September, it is raining for 18.7 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 154 rainfall days, and 21.69" (551mm) of precipitation is accumulated.Snowfall
In Chiefland, snow does not fall in January through November.Daylight
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 7:53 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 September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the most humid month?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Chiefland have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Chiefland?
What is the UV index intensity in September?
Average temperature in September
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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
Chiefland, 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).
Chiefland, Florida, USA
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