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Florianopolis weather in September

Weather in Florianopolis: September

Average day temperature: 70.7°F
Average night temperature: 61.9°F
Sea water temperature: 66.3°F
Number of sunny days: 11 days
Day length: 11.6 - 12.3 hours
Number of rainy days: 4 days
Precipitation totals: 3.5 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 83°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during September were 72.0°F and 62.2°F.

Sea water temperature in Florianopolis in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
59
62
65
68
71
74
77

The average sea water temperature in September of 2024 was 67.0°F. The highest and lowest sea temperatures during the month were 70.0°F and 64.6°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
33%
27%
40%

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.9
1.7
2.6
3.5
4.4
5.2
6.1
4.5
3.0
4.2
2.1
2.0
3.6
5.1
2.5
3.4
4.9
4.9
4.5
3.0
4.2
3.5
2.1
2.0
3.6
5.1
2.5
3.4
4.9
4.9

Precipitation total value in Florianopolis in September is 3.5 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.6
3.9
5.2
6.6
7.9
9.2
10.5
7.2
7.6
7.6
7.1
6.4
6.3
6.6
6.7
6.9
6.9
7.3
7.2
7.6
7.6
7.4
7.1
6.4
6.3
6.6
6.7
6.9
6.9
7.3

The average wind speed value in September is 7.4 mph It makes September one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.2
2.3
3.5
4.7
5.8
7.0
8.2
5.3
5.2
3.9
6.6
6.5
6.1
6.3
5.5
6.0
6.8
5.9
5.3
5.2
3.9
6.1
6.6
6.5
6.1
6.3
5.5
6.0
6.8
5.9

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: 6.1.

Best time for vacation in Florianopolis

Sunniest months:
July 16 days
June 15 days
August 15 days
Warmest months:
February 82.6 °F
January 82.3 °F
March 80.3 °F
Warmest sea temp:
February 78.9 °F
January 78.5 °F
March 77.7 °F
Coldest months:
July 67.7 °F
June 68.5 °F
August 68.7 °F
Rainiest months:
January 7 days
February 7 days
December 6 days
Windiest months:
November 8.1 mph
October 8.1 mph
September 7.9 mph

Florianopolis on a weather map

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Places in Brazil:
Name
°F
+72°F
+79°F
+73°F
+81°F
+81°F
+70°F
+82°F
+68°F
+73°F
+73°F
+73°F
+68°F
+75°F
24 Hours Forecast
Florianopolis
Local time: 19:02
April 11, friday
2100
66°F
E
1 mph
April 12, saturday
0000
66°F
NE
2 mph
0300
66°F
E
2 mph
0600
64°F
E
2 mph
0900
73°F
W
1 mph
1200
77°F
SW
6 mph
1500
75°F
SW
7 mph
1800
70°F
SW
2 mph
Units of measurement: °C / °F