Vyborg weather in September

In September, Vyborg sees average daytime highs of 15°C and overnight lows near 8°C, with 59 mm of rain across 10.5 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 12°C by the end. The sky is clear or mostly clear about 15% of the time in September, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of September to 11 h 12 min by month's end. Set against the rest of the year, September is Vyborg's 6th-clearest and 7th-windiest month. For the whole year in context, see Vyborg's year-round climate.

Daytime high
15°
4th warmest
Overnight low
9th coldest
Rainfall
59 mm
10.5 wet days
Daylight
12 h 36 min
6:43 AM – 7:16 PM
Cloud cover
71%
6th clearest
Wind
14 km/h
7th windiest
Solar energy
2.34 kWh/m²
Travel score
4.1
out of 10

Vyborg is city in Leningrad Oblast, Russia.

Density
489/km²
people per km²
Founded
1293

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 17°C in the first days to 12°C by the end.

A typical September day in Vyborg reaches about 15°C in the afternoon and slips back to 8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 18°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11711
21711
31710
41710
51710
61610
71610
81610
91610
10169
11159
12159
13159
14159
15158
16148
17148
18148
19148
20148
21137
22137
23137
24137
25137
26127
27127
28127
29126
30126

How September really feels in Vyborg

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.

Vyborg weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -8°4711.5126.20.0
Feb-4° / -9°419.69.68.50.0
Mar / -6°389.48.111.30.0
Apr / -1°358.43.114.21.0
May14° / 458.90.216.94.0
Jun18° / 10°6310.7018.65.6
Jul21° / 14°6410.5017.96.4
Aug20° / 13°7111.2015.56.0
Sep15° / 5910.5012.64.1
Oct / 6612.11.49.71.1
Nov / -1°6112.35.770.0
Dec-1° / -5°5912.7105.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23268
33268
43367
53268
63268
73268
83268
93268
103367
113367
123268
133268
143268
153169
163169
173268
183169
193169
203169
213169
223070
233070
242971
252971
262971
272971
282971
292872
302872

Chance of precipitation in September

Any precipitation

Vyborg gets around 59 mm of rain over 10.5 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 36% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
333
433
534
634
734
835
935
1036
1137
1237
1337
1437
1537
1637
1737
1837
1937
2037
2136
2236
2336
2436
2535
2635
2735
2835
2936
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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
175241
276231
377221
479201
580191
681181
782171
885150
986140
1087130
1188120
1289110
1390100
149190
159280
169370
179460
189550
199640
209640
219730
229820
239820
249820
259910
269910
279910
289910
2910000
3010000

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 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
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light 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 14 hours at the start of September to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 168 minutes over September. Sunrise moves from 6:05 AM to 7:18 AM, and sunset from 8:04 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.06:058:04
213.96:088:01
313.86:107:58
413.76:137:55
513.66:157:51
613.56:187:48
713.46:207:45
813.36:237:42
913.26:257:39
1013.16:287:35
1113.06:307:32
1212.96:337:29
1312.86:357:26
1412.76:387:22
1512.66:407:19
1612.66:437:16
1712.56:457:13
1812.46:487:09
1912.36:507:06
2012.26:537:03
2112.16:557:00
2212.06:586:56
2311.97:006:53
2411.87:036:50
2511.77:056:47
2611.67:086:43
2711.57:106:40
2811.47:136:37
2911.37:156:34
3011.27:186:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.34 kWh/m².

For context, solar energy here swings from a low near 0.13 kWh/m² to a high of 5.49 kWh/m² in June across the year — September's 2.34 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
42.9Moderate
52.9Moderate
62.8Moderate
72.8Moderate
82.7Moderate
92.6Moderate
102.6Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.4Moderate
152.4Moderate
162.3Moderate
172.3Moderate
182.2Moderate
192.2Moderate
202.1Moderate
212.1Moderate
222.0Moderate
232.0Dim
241.9Dim
251.9Dim
261.8Dim
271.8Dim
281.7Dim
291.7Dim
301.6Dim
Planning a trip in September

Is September a good time to visit Vyborg?

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

4.1
Sightseeing
4th-best month of the year
0.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Vyborg for sightseeing.

What to pack for Vyborg in September

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

In September, Vyborg sees daytime highs around 15°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Vyborg in September

The nearest coast averages about 15°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 23 km away) is warmest in August at about 18°C and coldest in February near -0°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
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May7Bracing
Jun13Bracing
Jul17Cool
Aug18Cool
Sep15Bracing
Oct10Bracing
Nov6Bracing
Dec3Bracing

UV index in Vyborg in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vyborg peaks around July 10 at about 5 (high) — a little sun protection helps at midday. 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 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 10UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr2Moderate
May4Moderate
Jun5Moderate
Jul5High
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Vyborg?

Vyborg sits at 60.7°N, 28.8°E, 28 m above sea level, in Russia. The nearest listed city is Svetogorsk, 45 km away.

Topography around Vyborg

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

Within 3 km, the terrain around Vyborg has only modest variations in elevation — a maximum elevation change of 43 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, significant variations in elevation — a maximum elevation change of 252 m.

The land around Vyborg is covered by trees (41%), water (28%) and artificial surfaces (22%) within 3 km, trees (72%) within 16 km, and trees (63%) and water (31%) within 80 km.

3 km
43 m
16 km
124 m
80 km
252 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Svetogorsk 45 km · Lappeenranta 50 km · Imatra 52 km · Priozërsk 84 km · Hamina 86 km · Kurortnyy 87 km · Sosnovyy Bor 92 km · Sestroretsk 95 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 Vyborg (60.7076°, 28.7528°, elevation 28 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).