World Resorts USA St. Augustine Weather

St. Augustine weather in September

Weather in St. Augustine: September

Average day temperature: 85.3°F
Average night temperature: 74.0°F
Sea water temperature: 83.1°F
Number of sunny days: 6 days
Day length: 11.9 - 12.8 hours
Number of rainy days: 4 days
Precipitation totals: 2.3 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 95°F. At the same time the lowest night temperature was 66°F. Day and night temperature averages during September were 88.0°F and 73.3°F.

Sea water temperature in St. Augustine in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 83.4°F. The highest and lowest sea temperatures during the month were 84.6°F and 81.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in St. Augustine in September is 2.3 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 4.5 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.5.

Best time for vacation in St. Augustine

Sunniest months:
October 15 days
April 15 days
March 14 days
Warmest months:
August 89.0 °F
July 89.0 °F
June 87.1 °F
Warmest sea temp:
August 83.6 °F
July 83.1 °F
September 83.1 °F
Coldest months:
January 65.1 °F
December 67.2 °F
February 69.2 °F
Rainiest months:
July 7 days
August 5 days
September 4 days
Windiest months:
April 6.6 mph
January 6.2 mph
February 6.1 mph

St. Augustine on a weather map

St. Augustine
+72°F
NW 6 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+54°F
+77°F
+77°F
+88°F
+68°F
+81°F
+52°F
+77°F
+66°F
+59°F
+79°F
+81°F
+79°F
+68°F
24 Hours Forecast
St. Augustine
Local time: 22:29
May 13, monday
0000
73°F
NW
6 mph
0300
73°F
NW
7 mph
0600
73°F
NW
9 mph
0900
77°F
NW
9 mph
1200
79°F
NW
13 mph
1500
79°F
NW
16 mph
1800
77°F
NW
14 mph
2100
77°F
NW
16 mph
Units of measurement: °C / °F