Volos weather in September

In September, Volos sees average daytime highs of 24°C and overnight lows near 20°C, with 63 mm of rain across 6.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 68% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Volos's 4th-clearest and 8th-windiest month. For the whole year in context, see Volos's year-round climate.

Daytime high
24°
4th warmest
Overnight low
20°
9th coldest
Rainfall
63 mm
6.4 wet days
Daylight
12 h 18 min
6:15 AM – 6:30 PM
Cloud cover
31%
4th clearest
Wind
9 km/h
8th windiest
Solar energy
4.85 kWh/m²
Travel score
8.0
out of 10

Volos is coastal port city in Thessaly, Greece.

Air quality
Elevated
PM2.5 15.8 µg/m³ · 2019
Density
3,109/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 26°C in the first days to 23°C by the end.

A typical September day in Volos reaches about 24°C in the afternoon and slips back to 20°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62622
72521
82521
92521
102521
112521
122521
132521
142521
152420
162420
172420
182420
192420
202420
212420
222420
232419
242319
252319
262319
272319
282319
292319
302319

Volos weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 10110.91.79.52.5
Feb11° / 8510.61.710.52.9
Mar13° / 859.60.511.74.0
Apr16° / 12°456.80135.7
May21° / 16°445.6014.17.5
Jun25° / 21°193.4014.78.4
Jul28° / 23°263.1014.58.3
Aug28° / 24°243.5013.58.2
Sep24° / 20°636.4012.38.0
Oct20° / 16°8890116.7
Nov16° / 12°838.909.85.0
Dec12° / 11211.61.19.33.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% 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 20%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
28911
38911
48911
58713
68713
78713
88614
98614
108515
118515
128317
138317
148218
158218
168020
178020
187822
197822
207723
217624
227624
237426
247426
257426
267228
277228
287129
297030
307030

Chance of precipitation in September

Any precipitation

Volos gets around 63 mm of rain over 6.4 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 20% and peaks near 23% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
115
216
317
417
518
618
718
819
919
1019
1119
1219
1320
1420
1520
1620
1721
1821
1922
2022
2123
2223
2323
2423
2523
2623
2723
2823
2923
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131540392
241641372
351742352
451843332
551944312
662044291
762045271
862145261
972246251
1072346241
1172346231
1282446221
1382447210
1492447200
1592447190
16102546190
17112546180
18122545180
19132544170
20142643170
21152642170
22162641160
23172740160
24182839150
25192838150
26202936140
27213035140
28213134130
29213233130
30223432120

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
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
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 6:01 AM to 6:28 AM, and sunset from 6:55 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:016:55
212.96:026:53
312.86:036:52
412.86:046:50
512.76:056:49
612.76:056:47
712.66:066:45
812.66:076:44
912.66:086:42
1012.56:096:40
1112.56:106:39
1212.46:116:37
1312.46:126:35
1412.36:136:34
1512.36:146:32
1612.36:156:30
1712.26:166:28
1812.26:176:27
1912.16:186:25
2012.16:196:23
2112.06:206:22
2212.06:216:20
2311.96:226:18
2411.96:236:17
2511.96:246:15
2611.86:256:13
2711.86:256:12
2811.76:266:10
2911.76:276:08
3011.66:286:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.85 kWh/m².

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 7.31 kWh/m² in June across the year — September's 4.85 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.3Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
154.9Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.6Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.1Bright
304.0Bright
Planning a trip in September

Is September a good time to visit Volos?

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

8.0
Sightseeing
4th-best month of the year
6.9
Beach & pool
4th-best month of the year

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

What to pack for Volos in September

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

In September, Volos sees daytime highs around 24°C and nights near 20°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Volos 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 31 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 28 to Nov 1 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Volos 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 Volos peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 22UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Volos 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 Volos is worst in August — around 44 µg/m³ PM2.5 (poor), about 4.9× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Volos's WHO annual average of 15.8 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodAug 1640 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb14Moderate
Mar18Moderate
Apr18Moderate
May15Moderate
Jun13Moderate
Jul14Moderate
Aug44Poor
Sep12Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Volos?

Volos sits at 39.4°N, 22.9°E, 52 m above sea level, in Greece. The nearest listed city is Néa Ionía, 2.0 km away.

LárisaLamíaKardítsaTríkalaLivadeiáDelphiKateríni

Topography around Volos

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

Within 3 km, the terrain around Volos has significant variations in elevation — a maximum elevation change of 388 m around an average of 55 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,603 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,945 m.

The land around Volos is covered by artificial surfaces (46%) and trees (21%) within 3 km, trees (46%) and water (26%) within 16 km, and water (46%) and trees (28%) within 80 km.

3 km
388 m
16 km
1,603 m
80 km
1,945 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Néa Ionía 2.0 km · Lárisa 54 km · Lamía 69 km · Kardítsa 88 km · Tríkala 103 km · Livadeiá 104 km · Delphi 106 km · Kateríni 107 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 Volos (39.3692°, 22.9477°, elevation 52 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).