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Statistics · City
Normal high in September in Jupiter Island
1991–2020 · 1 data point
231 of 391 · Towns of Florida
Updated Oct 23, 2026
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 1991–2020
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Latest value · 1991–2020
89 °F
Towns of Florida · 2020
231 of 391
Place 1 is the highest value.
Weather through the year long-term average 1991–2020 · Port Salerno 5W weather station, 15 km away
74°
54°
Jan
76°
55°
Feb
78°
58°
Mar
83°
62°
Apr
86°
67°
May
89°
71°
Jun
90°
73°
Jul
91°
74°
Aug
89°
72°
Sep
85°
68°
Oct
79°
62°
Nov
76°
57°
Dec
3.2
2.3
4.0
2.9
5.7
9.6
7.0
9.0
9.2
5.1
3.4
2.9
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 | |
|---|---|---|---|
| 391 | Hastings | 86 °F | |
| 390 | Neptune Beach | 86 °F | |
| 389 | Jacksonville Beach | 86 °F | |
| 388 | Atlantic Beach | 86 °F | |
| 387 | Palm Coast | 86 °F | |
| 386 | Flagler Beach | 86 °F | |
| 385 | Fernandina Beach | 86 °F | |
| 384 | Bunnell | 86 °F | |
| 383 | Wewahitchka | 86 °F | |
| 382 | Mexico Beach | 86 °F | |
| 381 | Sawgrass | 86 °F | |
| 380 | Nocatee | 86 °F | |
| 379 | New Smyrna Beach | 86 °F | |
| 378 | Edgewater | 86 °F | |
| 377 | Warrington | 86 °F | |
| 376 | Titusville | 87 °F | |
| 375 | Port St John | 87 °F | |
| 374 | Mims | 87 °F | |
| 373 | Merritt Island | 87 °F | |
| 372 | Cocoa | 87 °F | |
| 371 | Cape Canaveral | 87 °F | |
| 370 | St George Island | 87 °F | |
| 369 | Port St Joe | 87 °F | |
| 368 | Eastpoint | 87 °F | |
| 367 | Carrabelle | 87 °F | |
| … | |||
| 234 | Molino | 89 °F | |
| 233 | Miramar Beach | 89 °F | |
| 232 | Mary Esther | 89 °F | |
| 231 | Jupiter Island | 89 °F | |
| 230 | Indiantown | 89 °F | |
| 229 | Hurlburt Field | 89 °F | |
| 228 | Hobe Sound | 89 °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
Jupiter Island in numbers
Average daily high
83 °F
1991–2020
Average daily low
64 °F
1991–2020
Normal annual rainfall
64.2 in
1991–2020
Days at 90 °F (32 °C) or hotter
86
1991–2020
Days with 0.1 in (2.5 mm) of rain or more
93
1991–2020
Average annual temperature
76 °F
2025 · Martin County
Annual precipitation
43.0 in
2025 · Martin County
CO₂ emissions per person
13.6
2024 · United States