Normal weather in Key West in September

The weather in Key West in September has an average temperature of around 32°C during the day. On average, September sees 185 mm of rain in Key West. The wind speed is 3 Beaufort and mainly comes from Southeast.

After August, September in Key West starts with a temperature of 32°C and ends around October at 31°C.

Temperature per day in September in Key West

This graph shows the average daily maximum temperatures in September in Key West, indicated in degrees Celsius.

Precipitation per day in September in Key West

This graph shows the average daily precipitation in September in Key West, indicated in millimeters.

UV index per day in September in Key West

This graph shows the average daily UV index in September in Key West.

Check out the weather in Key West

« August October »

Average daily weather in September

1 September

32° 29°

1,0 mm

3

8

2 September

32° 29°

2,6 mm

4

8

3 September

32° 28°

3,5 mm

3

8

4 September

33° 28°

2,6 mm

3

7

5 September

32° 28°

1,9 mm

3

8

6 September

33° 28°

7,0 mm

3

7

7 September

32° 28°

8,2 mm

3

7

8 September

32° 28°

4,2 mm

3

7

9 September

32° 28°

6,5 mm

4

7

10 September

32° 28°

22,3 mm

4

6

11 September

32° 28°

4,8 mm

4

8

12 September

31° 27°

18,6 mm

4

7

13 September

32° 28°

3,4 mm

3

7

14 September

32° 27°

6,3 mm

3

7

15 September

32° 28°

2,5 mm

3

7

16 September

32° 28°

1,8 mm

3

7

17 September

32° 27°

13,0 mm

3

7

18 September

32° 28°

0,8 mm

3

7

19 September

32° 28°

1,1 mm

3

7

20 September

32° 28°

2,7 mm

3

8

21 September

32° 28°

4,0 mm

3

7

22 September

32° 27°

2,7 mm

3

6

23 September

31° 26°

15,3 mm

3

7

24 September

31° 27°

5,3 mm

3

7

25 September

32° 28°

0,5 mm

3

7

26 September

32° 27°

6,5 mm

3

6

27 September

30° 27°

23,3 mm

4

6

28 September

31° 27°

8,9 mm

4

6

29 September

31° 27°

2,4 mm

3

7

30 September

31° 27°

1,5 mm

4

7

Average weather in Key West per month

Click on a month below to see in detail how the weather typically is in Key West and what to expect. Based on the historical weather data of Key West, you can view the average temperature, precipitation, wind, and UV index for each day of the month.