Monthly climate guide
Nafplio weather in September
Expect hot weather in Nafplio in September: afternoons reach about 28°C (82°F), while nights drop to around 16°C (61°F). Around 42 mm of rain falls over the month (fairly dry), and skies are mostly sunny. Daytime highs are 4°C cooler than August and 6°C warmer than October.
What stands out in September
- Seasonally, September counts as early autumn in Nafplio.
- Just 160 km apart, but Nafplio runs about 2°C warmer than Kýthira this month.
- Afternoons and nights feel like different seasons, roughly 12°C apart.
- It cools down fast from here: October is about 6°C cooler.
Avg high
28°C
82°F
Avg low
16°C
61°F
Rainfall
42 mm
fairly dry
Humidity
59%
relative
Sky
28%
cloud · mostly sunny
Nafplio weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 9°C / 49°F | 2°C / 36°F | 101 mm | 85% | 62% |
| February | 11°C / 51°F | 3°C / 38°F | 80 mm | 84% | 64% |
| March | 13°C / 56°F | 4°C / 40°F | 63 mm | 79% | 59% |
| April | 18°C / 64°F | 7°C / 45°F | 29 mm | 72% | 51% |
| May | 23°C / 73°F | 11°C / 52°F | 28 mm | 65% | 49% |
| June | 28°C / 83°F | 16°C / 61°F | 43 mm | 57% | 30% |
| July | 32°C / 89°F | 19°C / 66°F | 19 mm | 49% | 16% |
| August | 32°C / 89°F | 19°C / 66°F | 14 mm | 49% | 16% |
| September | 28°C / 82°F | 16°C / 61°F | 42 mm | 59% | 28% |
| October | 21°C / 71°F | 12°C / 53°F | 58 mm | 71% | 45% |
| November | 16°C / 60°F | 8°C / 46°F | 79 mm | 81% | 58% |
| December | 11°C / 52°F | 4°C / 39°F | 96 mm | 84% | 57% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
- Sunglasses
Is September a good time to visit Nafplio?
Compare the months in the chart above to find your ideal window.
Best time to visit Nafplio →Other Greece cities in September
Cite or embed this data
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Nafplio weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/greece/nafplio/september
<a href="https://weathercompare.eu/weather/greece/nafplio/september">Nafplio weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/greece/nafplio" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Nafplio weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/greece/nafplio/september">Nafplio weather in September</a> – WeatherCompare</p>
Nafplio in September: quick answers
Is September a good time to visit Nafplio?
Yes. September is one of the best months for Nafplio, with highs around 28°C and about 42 mm of rain.
How warm is Nafplio in September?
Average highs are about 28°C (82°F) and average lows about 16°C (61°F), based on 10 years of daily data.
Does it rain a lot in Nafplio in September?
Nafplio typically gets around 42 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Nafplio (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.