Hottest (avg)
#4 / 12
Athens in September
September weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 12h
What to expect
September marks a typically very warm period of autumn, where temperatures are dropping quickly. Daytime highs average 28°C / 83°F, dropping to 19°C / 67°F at night.
The atmosphere is generally sunny and dry, perfect for uninterrupted outdoor plans.
September in context
How it compares to the rest of the year in Athens.
Wettest (avg)
#9 / 12
Daylight Hours
#6 / 12
Windiest (avg)
#10 / 12
Highest UV
#6 / 12
Most Humid
#8 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 12.4 hours
- UV index (max)
- 7
- Typical sun hours
- 06:06 – 18:32
Rain & Snow
- Total
-
- Rainy days
- 5
- Cloud cover
- 22%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 59%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is September a good time to visit Athens?
Typical September days in Athens reach highs of 28°C (82°F) with nights around 19°C (66°F). It usually feels hot by day and mild after dark. Overall, September sits in the middle of the Athens climate range.
What are temperatures like in September?
In September, you can usually expect highs of 28°C (82°F) and lows near 19°C (66°F). That means hot days and mild nights, so pack layers you can add or remove.
How much does it rain in September?
Rainfall in September averages 19 mm (0.75 in) across roughly 5 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in September?
You can expect about 12 hours of daylight in September. Sunrise is typically around 06:06 and sunset near 18:32. Daylight is fairly typical, with enough time for sightseeing.
Does the weather change during September?
September usually begins milder and cools down as the month goes on, so late-September can feel more like the next month.
How strong is the sun in September?
UV levels are often high (around 7). Regular sunscreen and a hat are recommended.
Is it windy in September?
In September, average wind speeds are around 9 km/h (6 mph), with gusts on the windiest days reaching about 53 km/h (33 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.