Plunge weather in September

In September, Plunge sees average daytime highs of 16°C and overnight lows near 9°C, with 64 mm of rain across 10.9 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 14°C by the end. The sky is clear or mostly clear about 20% 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 Plunge's 6th-clearest and 7th-windiest month. For the whole year in context, see Plunge's year-round climate.

Daytime high
16°
4th warmest
Overnight low
9th coldest
Rainfall
64 mm
10.9 wet days
Daylight
12 h 30 min
6:13 AM – 6:41 PM
Cloud cover
66%
6th clearest
Wind
13 km/h
7th windiest
Solar energy
2.75 kWh/m²
Travel score
4.9
out of 10

Plunge is city in Lithuania.

Density
630/km²
people per km²
Founded
1567

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 18°C in the first days to 14°C by the end.

A typical September day in Plunge reaches about 16°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°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)
11911
21911
31811
41810
51810
61810
71810
81810
91710
101710
11179
12179
13179
14179
15169
16169
17169
18168
19168
20168
21158
22158
23158
24158
25158
26157
27147
28147
29147
30147

How September really feels in Plunge

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.

Plunge weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -4°5711.37.27.40.0
Feb / -5°4710.17.29.20.0
Mar / -2°4510.54.911.40.2
Apr11° / 439.71.313.82.6
May16° / 5410.40165.1
Jun19° / 10°7312017.25.8
Jul22° / 13°8813.7016.76.1
Aug21° / 13°8413.2014.86.0
Sep16° / 6410.9012.54.9
Oct10° / 7012.70.510.12.2
Nov / 5511.52.880.2
Dec / -2°5811.96.86.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33763
43664
53664
63565
73565
83565
93565
103565
113565
123565
133565
143565
153565
163664
173664
183664
193763
203763
213862
223862
233763
243763
253763
263664
273664
283664
293565
303565

Chance of precipitation in September

Any precipitation

Plunge gets around 64 mm of rain over 10.9 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 37% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
241
340
440
540
639
739
839
939
1038
1138
1237
1337
1436
1536
1635
1735
1834
1934
2034
2134
2234
2334
2434
2534
2635
2735
2836
2937
3038

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
169292
270282
372262
473252
575241
676231
778211
879201
980191
1081181
1183161
1284151
1385141
1486131
1587121
1689110
1790100
189190
199190
209280
219280
229370
239370
249370
259460
269460
279460
289550
299550
309550

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 5:43 AM to 6:42 AM, and sunset from 7:21 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:437:21
213.65:457:19
313.55:477:16
413.45:497:13
513.35:517:11
613.25:537:08
713.25:557:05
813.15:577:03
913.05:597:00
1012.96:016:57
1112.96:036:54
1212.86:056:52
1312.76:076:49
1412.66:096:46
1512.56:116:43
1612.56:136:41
1712.46:156:38
1812.36:176:35
1912.26:196:32
2012.16:216:30
2112.16:236:27
2212.06:256:24
2311.96:276:21
2411.86:296:19
2511.76:316:16
2611.76:336:13
2711.66:356:10
2811.56:386:08
2911.46:406:05
3011.36:426:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.75 kWh/m².

For context, solar energy here swings from a low near 0.33 kWh/m² to a high of 5.63 kWh/m² in June across the year — September's 2.75 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.7Moderate
162.7Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.4Moderate
242.4Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.2Moderate
292.2Moderate
302.1Moderate
Planning a trip in September

Is September a good time to visit Plunge?

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

4.9
Sightseeing
5th-best month of the year
0.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Plunge for sightseeing.

What to pack for Plunge in September

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

In September, Plunge sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Plunge 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 at the nearest coast (about 55 km away) 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 Plunge 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 Plunge 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
Apr3Moderate
May5Moderate
Jun6High
Jul5High
Aug5High
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Plunge?

Plunge sits at 55.9°N, 21.8°E, 106 m above sea level, in Lithuania. The nearest listed city is Telsiai, 26 km away.

TelsiaiGargždaiKretingaPalangaKlaipėdaMazeikiaiTaurageLiepāja

Topography around Plunge

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

Within 3 km, the terrain around Plunge has only modest variations in elevation — a maximum elevation change of 57 m around an average of 120 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 167 m; within 80 km, only modest variations in elevation — a maximum elevation change of 229 m.

The land around Plunge is covered by grassland (38%) and trees (25%) within 3 km, trees (45%), grassland (28%) and cropland (24%) within 16 km, and trees (37%), cropland (27%) and grassland (22%) within 80 km.

3 km
57 m
16 km
167 m
80 km
229 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Telsiai 26 km · Gargždai 36 km · Kretinga 37 km · Palanga 48 km · Klaipėda 50 km · Mazeikiai 54 km · Taurage 78 km · Liepāja 84 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 Plunge (55.9114°, 21.8442°, elevation 106 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).