September weather forecast
Olympia, Greece

As September rolls in, Olympia experiences a subtle shift in weather. While the city carries forth some of August's warmth, this month ushers in the first signs of the impending autumn. Still, the area remains dry with an average rainfall of 27mm (1.06"), creating ideal conditions to explore the Grecian ruins. The evenings become increasingly cooler providing a delightful contrast to the warm days. This month perfectly balances the dust and heat of summer with the crisp air of fall, offering some of the best weather for outdoor pursuits.

Temperature

Olympia's average high-temperature in September is a moderately hot 28°C (82.4°F), marking an insignificant difference from the 30°C (86°F) of August. Olympia reports a substantial plunge from daytime highs during the nights of September, with an average low-temperature of 16°C (60.8°F).

Rainfall

In Olympia, during September, the rain falls for 3 days and regularly aggregates up to 27mm (1.06") of precipitation. In Olympia, during the entire year, the rain falls for 91 days and collects up to 776mm (30.55") of precipitation.

Daylight

The average length of the day in September in Olympia is 12h and 25min.
On the first day of the month, sunrise is at 07:04 and sunset at 20:02. On the last day of September, in Olympia, sunrise is at 07:28 and sunset at 19:18 EEST.

Sunshine

The average sunshine in September is 10h.

UV index

The average daily maximum UV index in September in Olympia is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 during September translates into the following guidance:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.