St. Augustine in september: average Weather, Temperature and Climate
Weather in St. Augustine in september 2025
The weather in St. Augustine in the month of september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
77°F
Clear/Sunny
32% of time
29%
27%
9%
Weather at 12pm
86°F
Clear/Sunny
36% of time
23%
22%
16%
Weather at 6pm
81°F
Clear/Sunny
35% of time
25%
22%
15%
Weather at 3am
77°F
38%
31%
23%
6%
Evolution of daily average temperature and precipitation in St. Augustine in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in St. Augustine in september.
The climate of St. Augustine in september is tolerable
The weather in september in St. Augustine is wet (with 9.3in of rainfall over 13 days). The situation is deteriorating compared to the previous month since in august there is an average of 10.4in of precipitation over 18 days.
The climate quite pleasant there september. Temperatures are up to 88°F. The minimum is 77°F. Thus, the mean temperature average on this month of september in St. Augustine is 83°F. Note that seasonal normals in contrast with those observed in St. Augustine in september with a maximum record of 95°F in 2018 and a minimum record of 65°F in 2009. You can expect to have about 20 days with temperatures above 86°F, or 67 of the month.
Day length in St. Augustine in september is 12:20. Sunrise is at 06:10 and sets at 18:30.
With a good weather, september is a good month to go in this city.
St. Augustine: another month?
If you can push back the dates of your trip, we advise you to go in october to St. Augustine. more information
September: another location in Florida?
If you want to go to Florida in september, there are destinations with better weather than St. Augustine:
In september, Everglades National Park, Apalachicola, Cedar Key, Falling Waters State Park, Fort Walton Beach and Gainesville have good weather.
Seasonal average climate and temperature of St. Augustine in september
Check below seasonal norms These datas are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 95°F (2018) | ||||
| Lowest record temperature | 65°F (2009) | ||||
| Number of days at +86°F | 20 day(s) (67%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 84°F | ||||
| Lowest sea temperature | 82°F | ||||
| Highest sea temperature | 85°F | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.3in | ||||
| Number of days with rainfall | 13 day(s) (42%) | ||||
| Record daily rainfall | 8.6in (2017) | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.37km | ||||
| Cloud cover | 33% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:10 | ||||
| Time of sunset | 18:30 | ||||
| Length of day | 12:20 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in St. Augustine in september 2024:
74°F to 88°F
74°F to 90°F
76°F to 88°F
76°F to 88°F
76°F to 90°F
74°F to 88°F
74°F to 86°F
72°F to 86°F
74°F to 77°F
74°F to 85°F
74°F to 81°F
74°F to 83°F
74°F to 81°F
74°F to 86°F
74°F to 85°F
74°F to 85°F
76°F to 86°F
76°F to 90°F
77°F to 86°F
74°F to 88°F
76°F to 83°F
76°F to 88°F
74°F to 95°F
76°F to 94°F
77°F to 86°F
77°F to 85°F
81°F to 90°F
77°F to 92°F
79°F to 85°F
77°F to 90°F
Map: other cities in Florida in september
Cities near St. Augustine:
| Palm Coast in september | tolerable weather |
| Jacksonville in september | good weather |
| Daytona Beach in september | tolerable weather |
| Fernandina Beach in september | tolerable weather |
| Ocala National Forest in september | tolerable weather |
| Gainesville in september | good weather |
| New Smyrna Beach in september | good weather |
| Lake City in september | good weather |
| Titusville in september | tolerable weather |
| Orlando in september | tolerable weather |
| Cedar Key in september | good weather |
| Cocoa Beach in september | tolerable weather |
Click over cities on the map for information about the weather in september.
St. Augustine
perfect weather
good
tolerable
bad
very bad
Weather data for St. Augustine in september:
Weather data for St. Augustine for september are derived from an average of the weather forecast since 2009 in St. Augustine. There is a margin of error and these forecasts are to be considered as general information only. The weather in St. Augustine can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to St. Augustine.