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SunnyDays

ERA5 almanac comparison — 8 years of real data

Naples vs Turks & Caicos: weather in September

Turks & Caicos edges out Naples for sun in September: 16% clear historically versus 9% (8-year ERA5 average, a 7-point gap). Naples also sees measurably more rain than Turks & Caicos this month (72% vs 50% of days). Both are viable — Turks & Caicos is the safer bet.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific September. For the actual forecast right now, each destination links to its live page below.

Naples

FL

Clear days, September
9%
Sample size
n=240 days
Avg high
88°F
Early September (1st–15th)
6%
Late September (16th–end)
12%
Rain frequency
72% of days
See the live forecast →

Turks & Caicos

Turks & Caicos Is

Clear days, September
16%
Sample size
n=240 days
Avg high
85°F
Early September (1st–15th)
19%
Late September (16th–end)
13%
Rain frequency
50% of days

Frequently asked

Is Naples or Turks & Caicos warmer in September?

Naples runs warmer by day in September. Naples averages highs of 88°F (highs n=240 days); Turks & Caicos averages highs of 85°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Naples or Turks & Caicos in September?

Naples is measurably wetter than Turks & Caicos. Days with measurable rain: Naples 72%, Turks & Caicos 50% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in September, Naples or Turks & Caicos?

Turks & Caicos edges out Naples for sun in September: 16% clear historically versus 9% (8-year ERA5 average, a 7-point gap). Naples also sees measurably more rain than Turks & Caicos this month (72% vs 50% of days). Both are viable — Turks & Caicos is the safer bet.

Compare Naples vs Turks & Caicos in another month

All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.