Location & Surroundings
Sejny is a town in Podlasie, Poland with 5,872 inhabitants, at 136 m elevation. The nearest larger town is Suwalki, 27 km to the west. The national capital Warsaw is about 260 km to the southwest. The nearest airport is Marijampole West, 51 km away.
Also known as: Сейны · Seinai
Overview
Sejny is a Wikidata entity.
It is located in Poland.
Basic Data
- Country Poland
- Type seat of a third-order administrative division (PPLA3)
Geography
-
Coordinates
54° 6' 29" N, 23° 20' 49" E
- Elevation DEM: 136 m
- Timezone Europe/Warsaw
- Time Shift GMT 1 (DST 2)
Statistics & Country
- Population 5,872
- Pop. Density 1,676 p/km²
- Built-up 11.3%
- Settlement Semi-dense urban cluster
- Currency Zloty (PLN)
- Phone Prefix +48
Sun & Local Time
- Local time 04:37
- Sunrise 06:17
- Sunset 16:02
- Day length 9 h 45 min
Nearby
Alternate Names
ru
Сейны
lt
Seinai
Weather in Sejny
Current conditions and a 3-day (72-hour) weather forecast for Sejny, updated from the NOAA GFS model.
Now 5.9 C with mostly clear skies and a 2.4 m/s south-easterly wind. Next 24h: 4.8 to 12.6 C, max wind 2.5 m/s. No precipitation expected. Solar peaks near 261 W/m2.
Temperature
5.9 C
Wind
2.4 m/s SE (155 deg)
Humidity
78 %
Pressure
1,027.3 hPa
Clouds
5 %
Precip
0.00 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 5.9 | 2.4 | 155 | 78 | 1,027.3 | - / 0.00 | 5 | 0.0 | n/a |
| 6h | 4.8 | 2.1 | 160 | 93 | 1,026.9 | 0.00 / 0.00 | 5 | 0.0 | n/a |
| 12h | 5.1 | 2.3 | 145 | 96 | 1,026.5 | 0.00 / 0.00 | 5 | 1.6 | n/a |
| 18h | 12.6 | 2.5 | 147 | 65 | 1,024.5 | 0.00 / 0.00 | 5 | 261.5 | n/a |
| Tomorrow | 9.2 | 2.2 | 135 | 79 | 1,024.4 | 0.00 / 0.00 | 100 | 65.0 | n/a |
| 30h | 8.6 | 1.2 | 193 | 82 | 1,024.3 | 0.00 / 0.00 | 98 | 0.0 | n/a |
| 36h | 8.9 | 1.3 | 186 | 83 | 1,025.1 | 0.09 / 0.09 | 97 | 0.3 | n/a |
| 42h | 12.0 | 2.0 | 252 | 70 | 1,025.8 | 0.00 / 0.00 | 61 | 149.3 | n/a |
| Thursday | 9.2 | 1.6 | 317 | 88 | 1,027.2 | 0.00 / 0.00 | 86 | 43.7 | n/a |
| 54h | 6.7 | 2.1 | 322 | 95 | 1,027.7 | 0.00 / 0.00 | 8 | 0.0 | n/a |
| 60h | 5.3 | 1.7 | 303 | 94 | 1,028.0 | 0.00 / 0.00 | 1 | 1.3 | n/a |
| 66h | 11.1 | 3.0 | 298 | 76 | 1,026.8 | 0.00 / 0.00 | 70 | 200.9 | n/a |
| Friday | 9.7 | 2.5 | 319 | 76 | 1,027.0 | 0.04 / 0.04 | 100 | 32.3 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-27 18:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Sejny?
Now 5.9 C with mostly clear skies and a 2.4 m/s south-easterly wind. Next 24h: 4.8 to 12.6 C, max wind 2.5 m/s. No precipitation expected. Solar peaks near 261 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Sejny today?
Sunrise around 06:17 and sunset around 16:02 (local time). Day length about 9h 45m.
What is the local time in Sejny?
Local time is 04:37. Time zone: Europe/Warsaw (UTC+01:00).
What type of place is Sejny?
Sejny is a seat of a third-order administrative division.
How many people live in Sejny?
Population about 5,872.
What is the elevation of Sejny?
DEM 136 m.
Where is Sejny located?
It is at 54.10802, 23.34698 (latitude, longitude).
Which country is Sejny in?
It is in Poland.
Links
- Wikidata entry Wikidata entry