West Palm Beach in September
In September, West Palm Beach averages 30°C (85°F) during the day and 25°C (77°F) at night, with frequent rain — about 28 days of the month see precipitation (243 mm total).
Off-peakConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
It's peak hurricane season in West Palm Beach during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How September compares to the rest of the year in West Palm Beach
September is one of the warmest months in West Palm Beach (3rd of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 2°C above the annual average (27°C). September runs 1°C cooler than August (31°C) and cools 2°C in October (28°C).
September sunrise & sunset in West Palm Beach
Times shown for West Palm Beach local time (America/New_York), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in West Palm Beach — September
Golden-hour and blue-hour windows for the 15th of September, in West Palm Beach's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — West Palm Beach in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and West Palm Beach's popularity.
Crowds & pricing — September in West Palm Beach
This is off-peak for West Palm Beach — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: peak hazard season (1 active)
Sun & mosquito risk — September in West Palm Beach
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in West Palm Beach — September
Across the year West Palm Beach's sea swings from 24.9°C (February) to 31°C (August) — September sits at 30.7°C.
West Palm Beach in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 23°C / 73°F | 17°C / 62°F | 79 mm | 16 | — |
| February | 25°C / 76°F | 19°C / 66°F | 68 mm | 16 | — |
| March | 26°C / 78°F | 19°C / 67°F | 53 mm | 17 | — |
| April | 27°C / 81°F | 21°C / 70°F | 102 mm | 21 | — |
| May | 28°C / 82°F | 23°C / 73°F | 146 mm | 23 | — |
| June | 30°C / 85°F | 24°C / 76°F | 195 mm | 28 | — |
| July | 30°C / 87°F | 25°C / 78°F | 188 mm | 30 | — |
| August | 31°C / 87°F | 26°C / 78°F | 206 mm | 30 | — |
| September | 30°C / 85°F | 25°C / 77°F | 243 mm | 28 | — |
| October | 28°C / 82°F | 24°C / 74°F | 129 mm | 23 | — |
| November | 26°C / 79°F | 21°C / 70°F | 99 mm | 20 | — |
| December | 24°C / 76°F | 19°C / 66°F | 68 mm | 17 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for West Palm Beach in September →
Frequently asked questions
How hot is West Palm Beach in September?
In September, West Palm Beach averages a high of 30°C (85°F) and a low of 25°C (77°F) — generally hot.
Does it rain a lot in West Palm Beach in September?
September is quite rainy in West Palm Beach, with about 28 rainy days on average.
Is September a good time to visit West Palm Beach?
September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for West Palm Beach in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for West Palm Beach for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.