Khalándrion weather in September

In September, Khalándrion sees average daytime highs of 29°C and overnight lows near 19°C, with 15 mm of rain across 2.5 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 31°C in the first days to 27°C by the end. The sky is clear or mostly clear about 76% 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 Khalándrion's 4th-clearest and 9th-windiest month. For the whole year in context, see Khalándrion's year-round climate.

Daytime high
29°
4th warmest
Overnight low
19°
9th coldest
Rainfall
15 mm
2.5 wet days
Daylight
12 h 12 min
6:12 AM – 6:26 PM
Cloud cover
23%
4th clearest
Wind
9 km/h
9th windiest
Solar energy
5.26 kWh/m²
Travel score
7.1
out of 10

Khalándrion is suburb of Athens, Greece.

Density
6,870/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 31°C in the first days to 27°C by the end.

A typical September day in Khalándrion reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°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)
13121
23120
33120
43120
53120
63020
73020
83019
93019
103019
113019
122919
132919
142919
152919
162918
172918
182918
192818
202818
212818
222818
232818
242817
252717
262717
272717
282717
292717
302717

How September really feels in Khalándrion

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Khalándrion 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
Jan13° / 527.30.69.73.7
Feb14° / 477.20.610.54.2
Mar16° / 496.40.211.75.8
Apr21° / 11°295.40137.3
May26° / 15°234.90147.9
Jun31° / 20°112.5014.65.8
Jul33° / 22°61.3014.44.7
Aug33° / 22°41.1013.54.9
Sep29° / 19°152.5012.37.1
Oct24° / 15°273.90118.1
Nov18° / 11°456.609.96.4
Dec14° / 587.80.49.44.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% 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 10%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2973
3964
4955
5955
6955
7955
8946
9937
10937
11928
12928
13928
14919
159010
169010
178911
188911
198812
208713
218614
228614
238614
248416
258416
268317
278317
288218
298119
308119

Chance of precipitation in September

Any precipitation

Khalándrion gets around 15 mm of rain over 2.5 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 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
15
25
36
46
56
66
76
86
97
107
117
127
138
148
158
169
179
189
199
2010
2110
2210
2310
2410
2510
2610
2710
2810
2910
3010

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 37% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12739304
22839304
32939294
42938294
53038284
63138274
73138273
83238263
93338263
103339253
113339253
123439243
133439233
143440233
153540233
163539224
173639224
183638224
193738214
203837214
213936214
224035214
234035205
244134205
254233205
264332204
274432204
284532204
294531194
304632194

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 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
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 6:50 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:596:50
212.86:006:49
312.86:006:47
412.76:016:46
512.76:026:44
612.76:036:43
712.66:046:41
812.66:056:39
912.56:066:38
1012.56:076:36
1112.56:076:35
1212.46:086:33
1312.46:096:31
1412.36:106:30
1512.36:116:28
1612.26:126:26
1712.26:136:25
1812.26:146:23
1912.16:156:21
2012.16:156:20
2112.06:166:18
2212.06:176:17
2311.96:186:15
2411.96:196:13
2511.96:206:12
2611.86:216:10
2711.86:226:09
2811.76:236:07
2911.76:246:05
3011.76:256:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.26 kWh/m².

For context, solar energy here swings from a low near 1.9 kWh/m² to a high of 7.5 kWh/m² in June across the year — September's 5.26 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Bright
45.9Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.2Bright
185.1Bright
195.1Bright
205.0Bright
215.0Bright
224.9Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.5Bright
304.5Bright
Planning a trip in September

Is September a good time to visit Khalándrion?

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

7.1
Sightseeing
4th-best month of the year
8.6
Beach & pool
1st-best month of the year

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

What to pack for Khalándrion in September

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

In September, Khalándrion sees daytime highs around 29°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Khalándrion 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 23 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 Khalándrion 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 Khalándrion peaks around June 23 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 highHighModerateJun 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Khalándrion 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 Khalándrion is worst in August — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1418 µg/m³Dec 158 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar15Moderate
Apr14Moderate
May13Moderate
Jun11Good
Jul14Moderate
Aug19Moderate
Sep9Good
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Khalándrion?

Khalándrion sits at 38.0°N, 23.8°E, 194 m above sea level, in Greece. The nearest listed city is Cholargós, 3.0 km away.

Topography around Khalándrion

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

Within 3 km, the terrain around Khalándrion has only modest variations in elevation — a maximum elevation change of 160 m around an average of 199 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,156 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.

The land around Khalándrion is covered by artificial surfaces (81%) within 3 km, artificial surfaces (38%) and trees (26%) within 16 km, and water (54%) and trees (20%) within 80 km.

3 km
160 m
16 km
1,156 m
80 km
1,714 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Cholargós 3.0 km · Vrilissia 3.0 km · Maroúsi 3.0 km · Agía Paraskeví 3.0 km · Néa Ionía 4.0 km · Melíssia 4.0 km · Péfki 4.0 km · Irákleio 4.0 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 Khalándrion (38.0237°, 23.8007°, elevation 194 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).