Ukmerge weather in September

In September, Ukmerge sees average daytime highs of 17°C and overnight lows near 9°C, with 51 mm of rain across 9.9 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 19°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 24 min by month's end. Set against the rest of the year, September is Ukmerge's 6th-clearest and 7th-windiest month. For the whole year in context, see Ukmerge's year-round climate.

Daytime high
17°
5th warmest
Overnight low
9th coldest
Rainfall
51 mm
9.9 wet days
Daylight
12 h 24 min
6:02 AM – 6:29 PM
Cloud cover
68%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
2.71 kWh/m²
Travel score
5.2
out of 10

Ukmerge is city in Lithuania.

Density
986/km²
people per km²
Founded
1225

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 14°C by the end.

A typical September day in Ukmerge reaches about 17°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 22°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12011
22011
31911
41910
51910
61910
71910
81810
91810
101810
11189
12189
13179
14179
15179
16179
17178
18168
19168
20168
21168
22168
23158
24158
25157
26157
27157
28147
29147
30147

How September really feels in Ukmerge

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.

Ukmerge weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -5°4610.98.17.50.0
Feb-0° / -5°4010.17.59.20.0
Mar / -2°4110.14.611.40.2
Apr12° / 45101.413.83.1
May18° / 5811.40.115.95.5
Jun21° / 11°7412.90175.9
Jul23° / 13°8412016.66.5
Aug22° / 13°7812.1014.86.3
Sep17° / 519.9012.55.2
Oct10° / 5811.20.810.12.2
Nov / 4810.63.48.10.1
Dec / -3°4911.47.470.0

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 13% of September, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23565
33466
43466
53466
63367
73367
83367
93367
103367
113367
123367
133367
143367
153367
163466
173367
183367
193466
203466
213466
223466
233367
243367
253367
263169
273169
283169
293169
303070

Chance of precipitation in September

Any precipitation

Ukmerge gets around 51 mm of rain over 9.9 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 34% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
337
437
536
636
735
835
935
1034
1134
1234
1333
1433
1533
1633
1732
1832
1932
2032
2131
2231
2331
2432
2532
2632
2732
2832
2933
3033

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
175232
275232
376222
477212
578202
679192
779192
880182
981172
1082162
1183152
1285141
1385141
1486131
1587121
1688111
1789101
189091
199181
209271
219460
229460
239550
249640
259640
269640
279730
289730
299730
309820

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 36 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over September. Sunrise moves from 5:33 AM to 6:29 AM, and sunset from 7:09 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:337:09
213.55:357:06
313.45:377:03
413.45:397:01
513.35:416:58
613.25:426:55
713.15:446:53
813.15:466:50
913.05:486:47
1012.95:506:45
1112.85:526:42
1212.85:546:39
1312.75:566:37
1412.65:586:34
1512.56:006:31
1612.46:026:29
1712.46:046:26
1812.36:066:23
1912.26:086:21
2012.16:106:18
2112.16:126:15
2212.06:146:13
2311.96:166:10
2411.86:186:07
2511.76:206:04
2611.76:226:02
2711.66:245:59
2811.56:265:56
2911.46:275:54
3011.46:295:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.71 kWh/m².

For context, solar energy here swings from a low near 0.34 kWh/m² to a high of 5.48 kWh/m² in June across the year — September's 2.71 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
222.4Moderate
232.4Moderate
242.3Moderate
252.3Moderate
262.2Moderate
272.2Moderate
282.1Moderate
292.1Moderate
302.0Moderate
Planning a trip in September

Is September a good time to visit Ukmerge?

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

5.2
Sightseeing
5th-best month of the year
1.3
Beach & pool
5th-best month of the year

September is a reasonable time to visit Ukmerge for sightseeing.

What to pack for Ukmerge in September

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

In September, Ukmerge sees daytime highs around 17°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Ukmerge 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 Ukmerge peaks around June 22 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 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 22UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Ukmerge?

Ukmerge sits at 55.3°N, 24.8°E, 72 m above sea level, in Lithuania. The nearest listed city is Jonava, 36 km away.

JonavaKėdainiaiPanevėžysUtenaDainava (Kaunas)EiguliaiPašilaičiaiFabijoniškės

Topography around Ukmerge

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

Within 3 km, the terrain around Ukmerge has only modest variations in elevation — a maximum elevation change of 52 m around an average of 73 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, significant variations in elevation — a maximum elevation change of 254 m.

The land around Ukmerge is covered by cropland (34%) and trees (30%) within 3 km, cropland (46%) and trees (35%) within 16 km, and trees (44%) and cropland (35%) within 80 km.

3 km
52 m
16 km
137 m
80 km
254 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Jonava 36 km · Kėdainiai 49 km · Panevėžys 59 km · Utena 61 km · Dainava (Kaunas) 62 km · Eiguliai 63 km · Pašilaičiai 65 km · Fabijoniškės 65 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 Ukmerge (55.25°, 24.75°, elevation 72 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. 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).