Temperatures in September
It's hot in September in Dry Tortugas National Park with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 27°C and 29°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Dry Tortugas National Park 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 Dry Tortugas National Park with hot temperatures, averaging around 30°C during the day and nights close to 29°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 stays the same at 30°C, with nights close to 28°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 Dry Tortugas National Park will be around 30°C, with nights close to 28°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 342 mm of precipitation, spread over 19 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance this month is 63% per day. Though that seems frequent, the weather’s variable. There are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Dry Tortugas National Park. 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.
Dry Tortugas National Park in September |
UK | ||
|---|---|---|---|
 Average Temperature |
30°C | 20°C | |
 High Temp |
30°C | 22°C | |
| Low Temp |
29°C | 17°C | |
 Total Precipitation |
342 mm | 44 mm | |
| Rainy Days |
19 days | 8 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Dry Tortugas National Park?
After some sun? Then September isn’t the best time to be in Dry Tortugas National Park. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Dry Tortugas National Park runs from June to November.
Temperature records for Dry Tortugas National Park in September
With 32°C, Dry Tortugas National Park hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 27°C in 2017. The extreme night temperatures ranged from a low of 20°C to a high of 30°C.
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Daily Temperature in September in Dry Tortugas National Park
This chart shows the average daily temperatures, both day and night, for each day in September in Dry Tortugas National Park, 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 Dry Tortugas National Park
The chart below shows the average daily precipitation in September for Dry Tortugas National Park, 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 19 days of rain in Dry Tortugas National Park.
Daily UV Index in September in Dry Tortugas National Park
This chart shows the average daily UV index in September in Dry Tortugas National Park, 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 Dry Tortugas National Park Over the Years
This chart shows the average temperature in September in Dry Tortugas National Park, measured in degrees Celsius, over the past years.
Total Precipitation in September in Dry Tortugas National Park Over the Years
This chart shows the average precipitation in September in Dry Tortugas National Park, 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 Dry Tortugas National Park
Click on a specific day in September for detailed info on the typical weather on that day in Dry Tortugas National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Dry Tortugas National Park
Have you been to Dry Tortugas National Park in September?
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Average Weather in Dry Tortugas National Park by Month
Click on a month below to see detailed weather info for Dry Tortugas National Park. 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 Dry Tortugas National Park for all months at once
