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Climate
Statistics · City
Normal high in September in Siesta Key
1991–2020 · 1 data point
43 of 391 · Towns of Florida
Updated Oct 21, 2026
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 1991–2020
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Latest value · 1991–2020
90 °F
Towns of Florida · 2020
43 of 391
Place 1 is the highest value.
Weather through the year long-term average 1991–2020 · Sarasota Bradenton Ap weather station, 14 km away
73°
52°
Jan
75°
55°
Feb
78°
58°
Mar
83°
63°
Apr
87°
68°
May
90°
74°
Jun
91°
75°
Jul
92°
75°
Aug
90°
74°
Sep
86°
68°
Oct
80°
60°
Nov
75°
55°
Dec
2.8
1.9
2.8
2.5
2.6
7.0
7.4
9.1
6.0
2.8
1.8
2.3
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 | |
| … | |||
| 40 | Riverview | 90 °F | |
| 41 | Sarasota | 90 °F | |
| 42 | Seffner | 90 °F | |
| 43 | Siesta Key | 90 °F | |
| 44 | South Bradenton | 90 °F | |
| 45 | South Gate Ridge | 90 °F | |
| 46 | Tampa | 90 °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
Statistics: Siesta Key
Average daily high
83 °F
1991–2020
Average daily low
65 °F
1991–2020
Normal annual rainfall
49.0 in
1991–2020
Days at 90 °F (32 °C) or hotter
85
1991–2020
Days with 0.1 in (2.5 mm) of rain or more
66
1991–2020
Average annual temperature
74 °F
2025 · Sarasota County
Annual precipitation
40.4 in
2025 · Sarasota County
CO₂ emissions per person
13.6
2024 · United States