Kaliningrad weather in September

In September, Kaliningrad sees average daytime highs of 18°C and overnight lows near 10°C, with 59 mm of rain across 10.2 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 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 21% 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 Kaliningrad's 6th-clearest and 7th-windiest month. For the whole year in context, see Kaliningrad's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Rainfall
59 mm
10.2 wet days
Daylight
12 h 24 min
6:19 AM – 6:45 PM
Cloud cover
64%
6th clearest
Wind
13 km/h
7th windiest
Solar energy
2.95 kWh/m²
Travel score
5.5
out of 10

Kaliningrad is Russian Baltic city between Poland and Lithuania.

Density
2,114/km²
people per km²
Founded
1255

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 20°C in the first days to 16°C by the end.

A typical September day in Kaliningrad reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52011
61911
71911
81911
91911
101911
111911
121811
131810
141810
151810
161810
171810
181710
191710
20179
21179
22179
23179
24169
25169
26169
27169
28168
29158
30158

How September really feels in Kaliningrad

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.

Kaliningrad 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 / -3°4710.95.47.60.0
Feb / -3°4010.25.49.30.0
Mar / -1°4410.53.411.50.4
Apr12° / 439.91.113.73.2
May17° / 5811.2015.85.5
Jun20° / 11°7212016.96.0
Jul23° / 14°8913.1016.56.3
Aug22° / 14°7612.6014.76.3
Sep18° / 10°5910.2012.55.5
Oct12° / 6011.50.110.22.9
Nov / 5011.11.88.20.5
Dec / -1°4911.44.87.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44258
54258
64258
74159
84060
94060
104060
113961
123961
133862
143961
153961
163862
173961
183961
193961
203961
214060
224060
234060
244060
254060
263961
273862
283862
293862
303763

Chance of precipitation in September

Any precipitation

Kaliningrad gets around 59 mm of rain over 10.2 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 35% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
241
341
441
540
640
739
838
938
1037
1136
1235
1334
1433
1532
1632
1731
1831
1930
2030
2130
2230
2331
2431
2532
2633
2733
2834
2935
3036

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 (%)
162344
263334
364324
465314
567303
668293
770273
871263
973243
1074233
1176213
1277203
1378193
1481172
1582162
1683152
1784142
1886131
1987121
2088111
2189101
229091
239190
249280
259280
269280
279370
289370
299370
309370

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
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light 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 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 5:51 AM to 6:46 AM, and sunset from 7:25 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:517:25
213.55:537:22
313.45:547:19
413.35:567:17
513.35:587:14
613.26:007:12
713.16:027:09
813.06:047:06
913.06:067:04
1012.96:087:01
1112.86:106:59
1212.76:126:56
1312.76:136:53
1412.66:156:51
1512.56:176:48
1612.46:196:45
1712.46:216:43
1812.36:236:40
1912.26:256:37
2012.16:276:35
2112.16:296:32
2212.06:316:29
2311.96:336:27
2411.86:346:24
2511.86:366:22
2611.76:386:19
2711.66:406:16
2811.56:426:14
2911.46:446:11
3011.46:466:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.95 kWh/m².

For context, solar energy here swings from a low near 0.4 kWh/m² to a high of 5.78 kWh/m² in June across the year — September's 2.95 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.3Moderate
83.3Moderate
93.2Moderate
103.2Moderate
113.1Moderate
123.1Moderate
133.0Moderate
143.0Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.5Moderate
272.5Moderate
282.4Moderate
292.4Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Kaliningrad?

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

5.5
Sightseeing
4th-best month of the year
1.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Kaliningrad for sightseeing.

What to pack for Kaliningrad in September

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

In September, Kaliningrad sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Kaliningrad 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 30 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
Apr6Bracing
May10Bracing
Jun15Bracing
Jul18Cool
Aug19Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Kaliningrad in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kaliningrad peaks around June 22 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 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 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul5High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Kaliningrad?

Kaliningrad sits at 54.7°N, 20.5°E, 2 m above sea level, in Russia. The nearest listed city is Svetlyy, 24 km away.

Topography around Kaliningrad

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

Within 3 km, the terrain around Kaliningrad has only modest variations in elevation — a maximum elevation change of 41 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 75 m; within 80 km, only modest variations in elevation — a maximum elevation change of 222 m.

The land around Kaliningrad is covered by artificial surfaces (54%) and trees (32%) within 3 km, grassland (38%) and trees (34%) within 16 km, and water (34%), trees (24%) and grassland (22%) within 80 km.

3 km
41 m
16 km
75 m
80 km
222 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Svetlyy 24 km · Zelenogradsk 28 km · Baltiysk 39 km · Bartoszyce 54 km · Braniewo 58 km · Lidzbark Warmiński 65 km · Chernyakhovsk 84 km · Kętrzyn 90 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 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 Kaliningrad (54.7064°, 20.511°, elevation 2 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).