Temperatures in September
It's hot in September in Jacksonville Beach with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 32°C. At night, you can expect temperatures between 22°C and 25°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Jacksonville Beach in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Jacksonville Beach with hot temperatures, averaging around 32°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-September
By mid-September, the average daytime temperature drops to around 31°C, with nights close to 25°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of September
By the end of September, the average daytime temperature in Jacksonville Beach will be around 30°C, with nights close to 24°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in September
In September, there is an average of 382 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 41% per day this month. The weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Jacksonville Beach. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Jacksonville Beach in September |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 20°C | |
 High Temp |
32°C | 22°C | |
| Low Temp |
28°C | 17°C | |
 Total Precipitation |
382 mm | 44 mm | |
| Rainy Days |
12 days | 8 days | |
August
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Jacksonville Beach?
After some sun? Then September isn’t the best time to be in Jacksonville Beach. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Jacksonville Beach runs from June to November.
Temperature records for Jacksonville Beach in September
With 36°C, Jacksonville Beach hit the highest temperature in the last 10 years in September 2018. The lowest daytime temperature in this month was 23°C in 2014. The extreme night temperatures ranged from a low of 16°C to a high of 28°C.
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Daily Temperature in September in Jacksonville Beach
This chart shows the average daily temperatures, both day and night, for each day in September in Jacksonville Beach, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Jacksonville Beach
The chart below shows the average daily precipitation in September for Jacksonville Beach, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 12 days of rain in Jacksonville Beach.
Daily UV Index in September in Jacksonville Beach
This chart shows the average daily UV index in September in Jacksonville Beach, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Jacksonville Beach Over the Years
This chart shows the average temperature in September in Jacksonville Beach, measured in degrees Celsius, over the past years.
Total Precipitation in September in Jacksonville Beach Over the Years
This chart shows the average precipitation in September in Jacksonville Beach, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Jacksonville Beach
Click on a specific day in September for detailed info on the typical weather on that day in Jacksonville Beach. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Jacksonville Beach
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Average Weather in Jacksonville Beach by Month
Click on a month below to see detailed weather info for Jacksonville Beach. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Jacksonville Beach for all months at once
