Asprópyrgos weather in September

In September, Asprópyrgos sees average daytime highs of 28°C and overnight lows near 19°C, with 17 mm of rain across 2.8 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 26°C by the end. The sky is clear or mostly clear about 77% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Asprópyrgos's 4th-clearest and 9th-windiest month. For the whole year in context, see Asprópyrgos's year-round climate.

Daytime high
28°
4th warmest
Overnight low
19°
9th coldest
Rainfall
17 mm
2.8 wet days
Daylight
12 h 12 min
6:13 AM – 6:27 PM
Cloud cover
24%
4th clearest
Wind
9 km/h
9th windiest
Solar energy
5.2 kWh/m²
Travel score
7.8
out of 10

Asprópyrgos is city in Attica region, Greece.

Density
297/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 26°C by the end.

A typical September day in Asprópyrgos reaches about 28°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
42921
52921
62920
72920
82920
92920
102820
112820
122820
132820
142819
152819
162819
172719
182719
192719
202719
212719
222719
232618
242618
252618
262618
272618
282618
292618
302518

Asprópyrgos weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 557.90.69.73.3
Feb13° / 487.30.610.53.8
Mar15° / 526.70.211.75.2
Apr19° / 11°285.10137.1
May24° / 16°224.80148.1
Jun29° / 20°102.3014.66.9
Jul32° / 22°51.1014.45.7
Aug31° / 23°41.2013.55.9
Sep28° / 19°172.8012.37.8
Oct23° / 15°314.40117.9
Nov17° / 11°496.809.96.1
Dec13° / 618.10.49.43.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2964
3964
4964
5955
6955
7946
8946
9937
10937
11928
12919
13919
14919
158911
168911
178911
188812
198713
208713
218614
228515
238515
248416
258317
268317
278218
288119
298119
307921

Chance of precipitation in September

Any precipitation

Asprópyrgos gets around 17 mm of rain over 2.8 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 12% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
15
26
36
46
56
67
77
87
97
107
118
128
138
149
159
1610
1710
1810
1911
2011
2111
2211
2312
2412
2512
2612
2712
2812
2912
3012

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11834425
21935415
32035405
42036395
52137385
62138374
72239364
82239344
92340334
102341324
112342313
122343313
132443303
142443293
152543293
162643283
172742283
182842273
192941274
203040264
213139264
223239254
233438254
243537244
253636244
263735234
273934234
284034224
294034224
304134214

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over September. Sunrise moves from 5:59 AM to 6:25 AM, and sunset from 6:51 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:596:51
212.86:006:50
312.86:016:48
412.76:026:47
512.76:036:45
612.76:046:43
712.66:056:42
812.66:066:40
912.56:076:39
1012.56:076:37
1112.56:086:35
1212.46:096:34
1312.46:106:32
1412.36:116:30
1512.36:126:29
1612.26:136:27
1712.26:146:26
1812.26:146:24
1912.16:156:22
2012.16:166:21
2112.06:176:19
2212.06:186:17
2311.96:196:16
2411.96:206:14
2511.96:216:13
2611.86:226:11
2711.86:236:09
2811.76:246:08
2911.76:246:06
3011.76:256:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.2 kWh/m².

For context, solar energy here swings from a low near 1.86 kWh/m² to a high of 7.44 kWh/m² in June across the year — September's 5.2 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
35.9Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.3Bright
155.3Bright
165.2Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
214.9Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Asprópyrgos?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.8
Sightseeing
3rd-best month of the year
8.4
Beach & pool
4th-best month of the year

September is one of the better times to visit Asprópyrgos for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Asprópyrgos in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Asprópyrgos sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Asprópyrgos in September

The nearest coast averages about 25°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 28 to Nov 16 — about 5.7 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Asprópyrgos in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Asprópyrgos peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 13UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Asprópyrgos in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Asprópyrgos is worst in August — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodAug 1221 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr15Moderate
May14Moderate
Jun12Good
Jul18Moderate
Aug21Moderate
Sep11Good
Oct10Good
Nov10Good
Dec8Good
Location & terrain

Where is Asprópyrgos?

Asprópyrgos sits at 38.1°N, 23.6°E, 35 m above sea level, in Greece. The nearest listed city is Elefsína, 5.0 km away.

Topography around Asprópyrgos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Asprópyrgos.

Within 3 km, the terrain around Asprópyrgos has only modest variations in elevation — a maximum elevation change of 135 m around an average of 35 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,261 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,724 m.

The land around Asprópyrgos is covered by artificial surfaces (48%) and grassland (23%) within 3 km, artificial surfaces (27%) and trees (26%) within 16 km, and water (45%) and trees (25%) within 80 km.

3 km
135 m
16 km
1,261 m
80 km
1,724 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Elefsína 5.0 km · Fylí 8.0 km · Petroúpolis 9.0 km · Chaïdári 9.0 km · Korydallós 10 km · Áno Liósia 10 km · Agía Varvára 10 km · Kamaterón 10 km

Greece travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$26,948
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
8.3
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 592
Religion
other 3%Muslim 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Asprópyrgos (38.0613°, 23.5897°, elevation 35 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).