Sparta weather in September

In September, Sparta sees average daytime highs of 26°C and overnight lows near 16°C, with 35 mm of rain across 5.7 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 28°C in the first days to 24°C by the end. The sky is clear or mostly clear about 70% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Sparta's 4th-clearest and 9th-windiest month. For the whole year in context, see Sparta's year-round climate.

Daytime high
26°
4th warmest
Overnight low
16°
9th coldest
Rainfall
35 mm
5.7 wet days
Daylight
12 h 12 min
6:18 AM – 6:32 PM
Cloud cover
27%
4th clearest
Wind
6 km/h
9th windiest
Solar energy
5.31 kWh/m²
Travel score
7.8
out of 10

Sparta is modern town in Laconia, Greece, near the site of ancient Sparta.

Density
192/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 28°C in the first days to 24°C by the end.

A typical September day in Sparta reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12918
22918
32818
42818
52818
62817
72817
82817
92717
102717
112717
122717
132716
142716
152616
162616
172616
182616
192616
202616
212615
222515
232515
242515
252515
262515
272515
282414
292414
302414

Sparta 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
Jan11° / 8510.51.39.72.7
Feb12° / 8310.81.810.62.9
Mar14° / 7410.10.711.74.2
Apr18° / 488.1012.96.1
May23° / 12°417.70147.6
Jun28° / 17°274.1014.57.5
Jul30° / 19°133014.36.2
Aug30° / 20°194.3013.46.1
Sep26° / 16°355.7012.37.8
Oct22° / 12°496.60117.4
Nov16° / 898.60105.5
Dec12° / 9611.11.19.53.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2937
3937
4928
5919
6919
7919
89010
99010
109010
118911
128812
138812
148812
158713
168713
178614
188515
198515
208317
218317
228218
238119
248119
258020
268020
277921
287921
297822
307723

Chance of precipitation in September

Any precipitation

Sparta gets around 35 mm of rain over 5.7 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 19% and peaks near 20% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
116
217
317
418
518
618
718
818
918
1018
1118
1218
1318
1418
1518
1618
1718
1819
1919
2019
2119
2219
2320
2420
2520
2620
2720
2820
2920
3020

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14441141
24441141
34542131
44542130
54542130
64541130
74641130
84741120
94740120
104840120
114939110
125039110
135039110
145139100
15533890
16533890
17543790
18563680
19573580
20583480
21603370
22613270
23623170
24643060
25643060
26652960
27662860
28682750
29692650
30692650

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 6:05 AM to 6:30 AM, and sunset from 6:55 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:056:55
212.86:066:53
312.86:076:52
412.76:086:50
512.76:086:49
612.66:096:47
712.66:106:46
812.66:116:44
912.56:126:43
1012.56:136:41
1112.46:136:40
1212.46:146:38
1312.46:156:36
1412.36:166:35
1512.36:176:33
1612.26:186:32
1712.26:186:30
1812.26:196:28
1912.16:206:27
2012.16:216:25
2112.06:226:24
2212.06:236:22
2311.96:246:20
2411.96:246:19
2511.96:256:17
2611.86:266:16
2711.86:276:14
2811.76:286:13
2911.76:296:11
3011.76:306:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.31 kWh/m².

For context, solar energy here swings from a low near 2.09 kWh/m² to a high of 7.47 kWh/m² in June across the year — September's 5.31 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Bright
45.9Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Sparta

In seasonPeak

None of Sparta's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Sparta's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Sparta?

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

7.8
Sightseeing
1st-best month of the year
7.7
Beach & pool
4th-best month of the year

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

What to pack for Sparta in September

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

In September, Sparta sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Sparta 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 35 km away) is warmest in August at about 26°C and coldest in February near 16°C.

It's comfortable for a long swim from May 28 to Nov 26 — about 6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Sparta 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 Sparta peaks around June 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 10Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr8Very high
May7Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Sparta 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 Sparta is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (September, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodApr 1315 µg/m³Sep 238 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar14Moderate
Apr15Moderate
May13Moderate
Jun11Good
Jul11Good
Aug15Moderate
Sep8Good
Oct9Good
Nov10Good
Dec8Good
Location & terrain

Where is Sparta?

Sparta sits at 37.1°N, 22.4°E, 206 m above sea level, in Greece. The nearest listed city is Kalamata, 28 km away.

TrípoliNafplioÁrgosArchaia OlympiaKórinthosPýrgosAmaliáda

Topography around Sparta

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

Within 3 km, the terrain around Sparta has only modest variations in elevation — a maximum elevation change of 177 m around an average of 219 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,285 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,372 m.

The land around Sparta is covered by trees (66%) within 3 km, trees (66%) within 16 km, and trees (42%) and water (39%) within 80 km.

3 km
177 m
16 km
2,285 m
80 km
2,372 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kalamata 28 km · Trípoli 49 km · Nafplio 64 km · Árgos 68 km · Archaia Olympia 95 km · Kórinthos 107 km · Pýrgos 110 km · Amaliáda 125 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 Sparta (37.0745°, 22.4301°, elevation 206 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).