Klaipėda weather in September

In September, Klaipėda sees average daytime highs of 17°C and overnight lows near 10°C, with 67 mm of rain across 11.3 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Klaipėda's 6th-clearest and 7th-windiest month. For the whole year in context, see Klaipėda's year-round climate.

Daytime high
17°
4th warmest
Overnight low
10°
9th coldest
Rainfall
67 mm
11.3 wet days
Daylight
12 h 30 min
6:16 AM – 6:43 PM
Cloud cover
64%
6th clearest
Wind
15 km/h
7th windiest
Solar energy
2.84 kWh/m²
Travel score
5.1
out of 10
Air quality
Elevated
PM2.5 15.6 µg/m³ · 2019

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 19°C in the first days to 15°C by the end.

A typical September day in Klaipėda reaches about 17°C in the afternoon and slips back to 10°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 21°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11912
21912
31912
41912
51912
61911
71811
81811
91811
101811
111811
121711
131711
141710
151710
161710
171710
181610
191610
201610
21169
22169
23169
24159
25159
26159
27159
28158
29158
30148

How September really feels in Klaipėda

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.

Klaipėda weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°5711.76.27.40.0
Feb / -3°4610.369.20.0
Mar / -1°429.83.511.40.2
Apr11° / 378.8113.82.7
May16° / 428.8015.95.4
Jun19° / 11°5910.2017.16.1
Jul22° / 14°7412.1016.76.4
Aug22° / 14°7912.9014.86.2
Sep17° / 10°6711.3012.55.1
Oct11° / 75130.310.12.5
Nov / 6312.22.480.4
Dec / -1°6113.25.66.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
34060
43961
53862
63862
73862
83862
93862
103862
113862
123862
133862
143862
153862
163862
173862
183862
193862
203961
213961
223961
234060
243961
253961
263961
273862
283763
293664
303664

Chance of precipitation in September

Any precipitation

Klaipėda gets around 67 mm of rain over 11.3 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 38% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
242
342
442
541
641
741
840
940
1040
1139
1239
1338
1437
1537
1636
1736
1835
1935
2035
2135
2235
2335
2435
2535
2636
2737
2837
2938
3039

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
160364
261354
363343
465323
566313
668302
770282
871272
973252
1076231
1177221
1279201
1380191
1482171
1583161
1684151
1785141
1886131
1987121
2089110
2190100
2290100
2390100
249190
259190
269190
279280
289280
299370
309370

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 36 min at the start of September to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 138 minutes over September. Sunrise moves from 5:46 AM to 6:44 AM, and sunset from 7:24 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:467:24
213.55:487:21
313.55:507:19
413.45:527:16
513.35:547:13
613.25:567:11
713.25:587:08
813.16:007:05
913.06:027:02
1012.96:047:00
1112.86:066:57
1212.86:086:54
1312.76:106:52
1412.66:126:49
1512.56:146:46
1612.56:166:43
1712.46:186:41
1812.36:206:38
1912.26:226:35
2012.16:246:32
2112.16:266:30
2212.06:286:27
2311.96:306:24
2411.86:326:22
2511.76:346:19
2611.76:366:16
2711.66:386:13
2811.56:406:11
2911.46:426:08
3011.36:446:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.84 kWh/m².

For context, solar energy here swings from a low near 0.34 kWh/m² to a high of 5.8 kWh/m² in June across the year — September's 2.84 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.3Moderate
63.3Moderate
73.2Moderate
83.2Moderate
93.1Moderate
103.1Moderate
113.0Moderate
123.0Moderate
132.9Moderate
142.9Moderate
152.8Moderate
162.8Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.6Moderate
212.6Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.4Moderate
262.4Moderate
272.3Moderate
282.3Moderate
292.2Moderate
302.2Moderate
Planning a trip in September

Is September a good time to visit Klaipėda?

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

5.1
Sightseeing
5th-best month of the year
1.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Klaipėda for sightseeing.

What to pack for Klaipėda in September

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

In September, Klaipėda sees daytime highs around 17°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Klaipėda in September

The nearest coast averages about 16°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 19°C and coldest in February near 2°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb2Bracing
Mar3Bracing
Apr5Bracing
May10Bracing
Jun14Bracing
Jul18Cool
Aug19Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Klaipėda in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Klaipėda peaks around June 19 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 19UV 6Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul5High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Klaipėda 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 Klaipėda is worst in March — around 20 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Klaipėda's WHO annual average of 15.6 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2320 µg/m³Dec 1511 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar20Moderate
Apr20Moderate
May17Moderate
Jun18Moderate
Jul17Moderate
Aug18Moderate
Sep16Moderate
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Klaipėda?

Klaipėda sits at 55.7°N, 21.1°E, 6 m above sea level, in Lithuania. The nearest listed city is Gargždai, 16 km away.

KretingaPalangaPlungeTelsiaiSovetskTaurageLiepāja

Topography around Klaipėda

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

Within 3 km, the terrain around Klaipėda has only modest variations in elevation — a maximum elevation change of 43 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 227 m.

The land around Klaipėda is covered by artificial surfaces (38%) and trees (30%) within 3 km, water (42%) within 16 km, and water (31%), trees (28%) and grassland (22%) within 80 km.

3 km
43 m
16 km
65 m
80 km
227 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Gargždai 16 km · Kretinga 21 km · Palanga 24 km · Plunge 50 km · Telsiai 76 km · Sovetsk 84 km · Taurage 88 km · Liepāja 89 km

Lithuania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$32,959
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2.6
per 100k, 2023
Road deaths
8.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 543
Religion
Roman Catholic 74%none 6%Russian Orthodox 4%other 1%

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 Klaipėda (55.7068°, 21.1391°, elevation 6 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).