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 sea temperature 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
With the onset of September, Port Saint Joe's average high-temperature clocks in at a warm 84.7°F (29.3°C), showing a minor fluctuation from the previous month. Port Saint Joe experiences an average nighttime temperature of 76.5°F (24.7°C) in September, reflecting a minor difference from the day's peak.Heat index
For most parts of September, the heat index is appraised at a hot 93.2°F (34°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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 particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September in Port Saint Joe is 74%.Rainfall
In Port Saint Joe, in September, during 17.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 163 rainfall days, and 33.03" (839mm) of precipitation is accumulated.Snowfall
In Port Saint Joe, Florida, snow does not fall in January through November.Ocean temperature
In Port Saint Joe, the average seawater temperature in September is 83.5°F (28.6°C).Note: For any water activity, having surface water temperatures from 77°F (25°C) to 84.2°F (29°C) is considered outstanding and highly delightful for lengthened periods.
Daylight
The average length of the day in September in Port Saint Joe is 12h and 20min.On the first day of September in Port Saint Joe, sunrise is at 6:18 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 6:27 pm CDT.
Sunshine
In Port Saint Joe, 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 risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Port Saint Joe?
What is the average humidity in September in Port Saint Joe?
How many days does it rain in September in Port Saint Joe?
When it does not snow in Port Saint Joe?
What is the ocean temperature in September in Port Saint Joe?
How many hours of daylight does Port Saint Joe have in September?
What time are sunrise and sunset in September in Port Saint Joe?
How many hours of sunshine does Port Saint Joe have in September?
What is the UV index reading in September in Port Saint Joe?
Average temperature in September
Port Saint Joe, FL
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in September: 76.5°F
The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (50°F).
Average pressure in September
Port Saint Joe, 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
Port Saint Joe, FL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Port Saint Joe, FL
- Average humidity in September: 74%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Port Saint Joe, FL
- Average rainfall in September: 2.95"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in September
Port Saint Joe, FL
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (7.7 days).
Average snowfall days in September
Port Saint Joe, 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 sea temperature in September
Port Saint Joe, FL
- Average sea temperature in September: 83.6°F
The best month for swimming (with the highest average sea temperature) is August (86.1°F).
The coldest months (with the lowest average sea temperature) are January and February (63.8°F).
Average daylight in September /
Average sunshine in September
Port Saint Joe, 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: 9h and 1min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Port Saint Joe, FL
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is August (4.8 days).
Average UV index in September
Port Saint Joe, 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
Port Saint Joe, FL
- Average cloud cover in September: 24
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 20).
Average visibility in September
Port Saint Joe, 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).
Port Saint Joe, Florida, USA
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