Archaia Olympia weather in September

In September, Archaia Olympia sees average daytime highs of 26°C and overnight lows near 15°C, with 61 mm of rain across 7.9 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 66% 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 Archaia Olympia's 4th-clearest and 10th-windiest month. For the whole year in context, see Archaia Olympia's year-round climate.

Daytime high
26°
4th warmest
Overnight low
15°
10th coldest
Rainfall
61 mm
7.9 wet days
Daylight
12 h 12 min
6:21 AM – 6:35 PM
Cloud cover
31%
4th clearest
Wind
7 km/h
10th windiest
Solar energy
5.14 kWh/m²
Travel score
7.4
out of 10

Archaia Olympia is village in Greece, Peloponnese, Elis.

Density
2,774/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 Archaia Olympia reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°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)
12917
22917
32817
42817
52817
62817
72816
82716
92716
102716
112716
122716
132716
142616
152615
162615
172615
182615
192615
202515
212515
222515
232514
242514
252414
262414
272414
282414
292414
302414

Archaia Olympia 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° / 13112.429.72.6
Feb12° / 11912.42.310.52.8
Mar14° / 10712.71.111.74.0
Apr18° / 84110.112.95.7
May22° / 11°749.90147.1
Jun27° / 15°416.1014.67.4
Jul30° / 18°204.1014.36.2
Aug31° / 18°224.4013.45.9
Sep26° / 15°617.9012.37.4
Oct21° / 12°738.80117.0
Nov17° / 12310.30.2105.3
Dec12° / 12713.41.29.43.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3937
4928
5928
6919
79010
89010
98911
108812
118713
128614
138614
148515
158317
168317
178218
188119
198020
207921
217822
227624
237624
247525
257525
267426
277327
287228
297228
307129

Chance of precipitation in September

Any precipitation

Archaia Olympia gets around 61 mm of rain over 7.9 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 25% and peaks near 27% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
119
220
321
422
523
623
724
824
925
1025
1126
1226
1326
1426
1527
1627
1727
1827
1927
2027
2127
2227
2327
2427
2527
2627
2727
2827
2927
3027

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 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12539342
22639342
32640331
42640321
52641321
62741311
72742291
82842281
92943271
103043261
113143251
123243241
133343241
143343231
153443221
163543211
173643200
183843190
193942190
204042180
214241170
224341160
234440160
244540150
254739140
264839130
274939120
285039110
295139100
30523990

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:08 AM to 6:33 AM, and sunset from 6:59 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:086:59
212.86:096:57
312.86:096:56
412.76:106:54
512.76:116:53
612.66:126:51
712.66:136:49
812.66:146:48
912.56:156:46
1012.56:156:45
1112.46:166:43
1212.46:176:41
1312.46:186:40
1412.36:196:38
1512.36:206:37
1612.26:216:35
1712.26:226:33
1812.26:226:32
1912.16:236:30
2012.16:246:29
2112.06:256:27
2212.06:266:25
2311.96:276:24
2411.96:286:22
2511.96:296:20
2611.86:296:19
2711.86:306:17
2811.76:316:16
2911.76:326:14
3011.76:336:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.14 kWh/m².

For context, solar energy here swings from a low near 1.93 kWh/m² to a high of 7.4 kWh/m² in June across the year — September's 5.14 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.7Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.4Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
204.9Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Archaia Olympia

In seasonPeak

In September, Archaia Olympia sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Archaia Olympia's rainy season runs September–May, 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 Archaia Olympia?

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

7.4
Sightseeing
1st-best month of the year
7.2
Beach & pool
4th-best month of the year

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

What to pack for Archaia Olympia in September

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

In September, Archaia Olympia sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Archaia Olympia 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 22 km away) is warmest in August at about 26°C and coldest in March near 15°C.

It's comfortable for a long swim from May 25 to Nov 22 — about 6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar15Cool
Apr16Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Archaia Olympia 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 Archaia Olympia peaks around June 21 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 21UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Archaia Olympia 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 Archaia Olympia is worst in August — around 19 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1518 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar14Moderate
Apr16Moderate
May13Moderate
Jun11Good
Jul12Good
Aug19Moderate
Sep8Good
Oct9Good
Nov9Good
Dec8Good
Location & terrain

Where is Archaia Olympia?

Archaia Olympia sits at 37.6°N, 21.6°E, 0 m above sea level, in Greece. The nearest listed city is Pýrgos, 17 km away.

ZakynthosPatrasTrípoliAígioKalamataSparta

Topography around Archaia Olympia

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

Within 3 km, the terrain around Archaia Olympia has significant variations in elevation — a maximum elevation change of 270 m around an average of 72 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 800 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,347 m.

The land around Archaia Olympia is covered by trees (62%) and grassland (30%) within 3 km, trees (62%) and grassland (23%) within 16 km, and trees (42%) and water (40%) within 80 km.

3 km
270 m
16 km
800 m
80 km
2,347 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Pýrgos 17 km · Amaliáda 30 km · Zakynthos 66 km · Patras 67 km · Trípoli 68 km · Aígio 78 km · Kalamata 80 km · Sparta 95 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 Archaia Olympia (37.6479°, 21.6271°, elevation 0 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).