Ágios Athanásios, Greece — Weather in September 2026

Climate Overview

Ágios Athanásios, Greece in September has warm conditions, with highs averaging 27.8°C (82°F). Temperatures drop noticeably between day and night. Sea temperature reaches 27.1°C (81°F).

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 30°C (87°F) at the start to 25°C (76°F) by month's end.

Rainfall is heaviest during the first third of the month, while the middle tends to be drier.

Expect around 11.2h of sunshine at the start of September, decreasing to 8.9h by the end.

The warmest days tend to fall around the 1th, averaging 31.1°C (88°F).

Compared to August, this month is about 5°C cooler with 0 fewer rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

28°C / 18°C

Feels Like

28°C / 18°C

Rain

4 days · 22 mm

Sunshine

10.4h / day

Humidity

61% — Moderate

Wind

12 km/h

Wind Direction

S (191°)

Gusts

28 km/h

Daylight

12.5 h

Cloud Cover

35%

Clear Sky Days

11.4

UV Index

5.8 — High

Sea Temperature

27°C

Dew Point

15°C — Comfortable

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 07:11

Daylight 12.5h

Sunset 19:41

What to Expect

Daytime temperatures around 28°C (82°F) are ideal for full-day outdoor exploration.

Rain is uncommon in this month, so most days stay dry from morning through evening.

Recent yearly records for September have stayed close to the long-run average.

Compare Months

3days (24 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	9°C / 1°C	7°C / -3°C	8days (53 mm) Wet	6.5h Fair	76% Humid	2.5 Moderate	Poor	View Details
February	13°C / 3°C	10°C / 0°C	6days (33 mm) Good	7.2h Good	75% Muggy	3.3 Moderate	Fair	View Details
March	15°C / 6°C	14°C / 3°C	9days (68 mm) Wet	8.7h Good	73% Muggy	4.9 Moderate	Fair	View Details
April	20°C / 10°C	19°C / 8°C	6days (40 mm) Good	10.6h Excellent	67% Muggy	6.4 High	Good	View Details
May best	24°C / 14°C	24°C / 14°C	8days (54 mm) Wet	11.8h Excellent	63% Muggy	7.1 Very High	Excellent	View Details
June best	30°C / 20°C	32°C / 21°C	6days (37 mm) Good	12.9h Excellent	57% Moderate	7.9 Very High	Excellent	View Details
July	33°C / 22°C	35°C / 24°C	3days (24 mm) Excellent	13.1h Excellent	52% Moderate	8 Very High	Good	View Details
August	33°C / 22°C	34°C / 24°C	4days (24 mm) Good	12.5h Excellent	53% Moderate	7.4 Very High	Good	View Details
September best	28°C / 18°C	28°C / 18°C	4days (22 mm) Good	10.4h Excellent	61% Muggy	5.8 High	Excellent	View Details
October best	22°C / 12°C	21°C / 11°C	4days (40 mm) Good	8.3h Good	71% Muggy	4.2 Moderate	Excellent	View Details
November	16°C / 8°C	15°C / 6°C	9days (65 mm) Wet	6.4h Fair	78% Humid	2.6 Moderate	Good	View Details
December	11°C / 3°C	9°C / 0°C	7days (68 mm) Good	5.9h Fair	78% Humid	2 Low	Poor	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Ágios Athanásios?

September is typically excellent for visiting Ágios Athanásios, with average highs of 28°C (82°F) and around 4 rainy days. Ágios Athanásios, Greece in September has warm conditions, with highs averaging 27.8°C (82°F). Temperatures drop noticea

Does it rain a lot in Ágios Athanásios in September?

Ágios Athanásios typically sees around 4 rainy days in September with 22 mm (0.9 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Ágios Athanásios in September?

Evenings in Ágios Athanásios during September are mild at 18°C (64°F). A light cardigan is usually enough.

What should I pack for Ágios Athanásios in September?

With highs of 28°C (82°F) and lows of 18°C (64°F) in September, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

Is September among the best months weather-wise in Ágios Athanásios?

Yes, September offers some of the best weather conditions in Ágios Athanásios with comfortable temperatures and lower chances of rain.

What is the UV index in Ágios Athanásios in September?

The average UV index in Ágios Athanásios during September is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Ágios Athanásios in September?

Ágios Athanásios gets approximately 13 hours of daylight per day in September, with around 10 hours of sunshine.

Does it snow in Ágios Athanásios in September?

Snow is uncommon in Ágios Athanásios during September based on 10-year climate averages.

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