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Statistics · City
Normal high in September in Duck Key
1991–2020 · 1 data point
302 of 391 · Towns of Florida
Updated Oct 22, 2026
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 1991–2020
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Latest value · 1991–2020
88 °F
Towns of Florida · 2020
302 of 391
Place 1 is the highest value.
Weather through the year long-term average 1991–2020 · Duck Key weather station, 1 km away
74°
63°
Jan
77°
65°
Feb
79°
68°
Mar
82°
72°
Apr
85°
75°
May
88°
78°
Jun
89°
79°
Jul
89°
79°
Aug
88°
78°
Sep
84°
76°
Oct
79°
70°
Nov
77°
67°
Dec
1.6
1.9
1.8
1.8
2.7
5.1
3.6
5.7
6.1
6.0
2.4
1.7
High and low, °F
Precipitation, inches
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 1991–2020
Ranking · Towns of Florida
2020 · Place 1 is the highest value.
| # | Territory | Normal high in September | |
|---|---|---|---|
| 1 | Crystal Springs | 92 °F | |
| 2 | Dover | 92 °F | |
| 3 | Plant City | 92 °F | |
| 4 | Valrico | 92 °F | |
| 5 | Chokoloskee | 91 °F | |
| 6 | Florida City | 91 °F | |
| 7 | Belle Glade | 91 °F | |
| 8 | South Bay | 91 °F | |
| 9 | Grove City | 91 °F | |
| 10 | North Port | 91 °F | |
| 11 | Port Charlotte | 91 °F | |
| 12 | Punta Gorda | 91 °F | |
| 13 | Canal Point | 90 °F | |
| 14 | Pahokee | 90 °F | |
| 15 | Ave Maria | 90 °F | |
| 16 | Immokalee | 90 °F | |
| 17 | Anna Maria | 90 °F | |
| 18 | Bayshore Gardens | 90 °F | |
| 19 | Bloomingdale | 90 °F | |
| 20 | Bradenton | 90 °F | |
| 21 | Bradenton Beach | 90 °F | |
| 22 | Brandon | 90 °F | |
| 23 | Carrollwood | 90 °F | |
| 24 | Citrus Park | 90 °F | |
| 25 | Cortez | 90 °F | |
| … | |||
| 299 | Wellington | 88 °F | |
| 300 | West Palm Beach | 88 °F | |
| 301 | Westlake | 88 °F | |
| 302 | Duck Key | 88 °F | |
| 303 | Layton | 88 °F | |
| 304 | Pierson | 88 °F | |
| 305 | Seville | 88 °F | |
| … |
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 2020
What it means
The typical daytime high in September.
How it is calculated
Average daily maximum in September at the nearest weather station with a long record: 1991–2020, or the latest ten years.
Climate
Duck Key in numbers
Average daily high
83 °F
1991–2020
Average daily low
72 °F
1991–2020
Normal annual rainfall
40.4 in
1991–2020
Days at 90 °F (32 °C) or hotter
46
1991–2020
Days with 0.1 in (2.5 mm) of rain or more
57
1991–2020
Average annual temperature
78 °F
2025 · Monroe County
Annual precipitation
40.4 in
2025 · Monroe County
CO₂ emissions per person
13.6
2024 · United States