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 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
At the start of September, Conch Key's average high-temperature reaches a still warm 84.6°F (29.2°C), subtly different from the preceding month. Conch Key's nights throughout September are marked by an average low temperature of 82°F (27.8°C), a minor drop from the day's high.Heat index
The heat index value during September is evaluated at a hot 93.2°F (34°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly important for children. 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.
Humidity
In Conch Key, the average relative humidity in September is 74%.Rainfall
The month with the most rainfall is September, when the rain falls for 23 days and typically aggregates up to 4.21" (107mm) of precipitation.Daylight
The average length of the day in September is 12h and 17min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:41 pm. On the last day of September, in Conch Key, sunrise is at 7:15 am and sunset at 7:11 pm EDT.
Sunshine
In Conch Key, the average sunshine in September is 9h.UV index
April through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 7 translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
How hot does it get in Conch Key in September?
What is the average humidity in September in Conch Key?
What is the wettest month in Conch Key?
How much does it rain in Conch Key in September?
What is the average length of the day in September in Conch Key?
When are sunrise and sunset in September in Conch Key?
How long on average sun shines in September in Conch Key?
What is the month with the highest UV index in Conch Key?
How high is the UV index in September in Conch Key?
Average temperature in September
Conch Key, FL
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.9°F).
- Average low temperature in September: 82°F
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (67.5°F).
Average pressure in September
Conch Key, FL
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).
Average wind speed in September
Conch Key, FL
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).
Average humidity in September
Conch Key, FL
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).
Average rainfall in September
Conch Key, FL
- Average rainfall in September: 4.21"
The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in September
Conch Key, FL
- Average rainfall days in September: 23 days
The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).
Average daylight in September /
Average sunshine in September
Conch Key, FL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Conch Key, FL
- Average sunshine days in September: 4.6 days
The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).
Average UV index in September
Conch Key, FL
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in September
Conch Key, FL
- Average cloud cover in September: 28
The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility in September
Conch Key, 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).
Conch Key, Florida, USA
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