Sortavala weather in September

In September, Sortavala sees average daytime highs of 14°C and overnight lows near 8°C, with 57 mm of rain across 10.6 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 16°C in the first days to 11°C by the end. The sky is clear or mostly clear about 13% of the time in September, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of September to 11 h 12 min by month's end. Set against the rest of the year, September is Sortavala's 6th-clearest and 7th-windiest month. For the whole year in context, see Sortavala's year-round climate.

Daytime high
14°
4th warmest
Overnight low
9th coldest
Rainfall
57 mm
10.6 wet days
Daylight
12 h 36 min
6:34 AM – 7:09 PM
Cloud cover
72%
6th clearest
Wind
14 km/h
7th windiest
Solar energy
2.22 kWh/m²
Travel score
3.7
out of 10

Sortavala is town in the Republic of Karelia, Russia.

Density
1,384/km²
people per km²
Founded
1468

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 16°C in the first days to 11°C by the end.

A typical September day in Sortavala reaches about 14°C in the afternoon and slips back to 8°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 9°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
21610
31610
41610
51610
61610
71610
81510
9159
10159
11159
12159
13149
14149
15148
16148
17138
18138
19138
20138
21137
22127
23127
24127
25127
26127
27117
28116
29116
30116

How September really feels in Sortavala

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.

Sortavala 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° / -9°5112.113.75.90.0
Feb-4° / -9°4410.512.18.40.0
Mar / -5°419.89.911.30.0
Apr / -0°358.43.614.30.7
May13° / 479.20.417.23.5
Jun17° / 10°6110.90195.4
Jul21° / 14°7011.6018.26.1
Aug19° / 12°7512.2015.65.7
Sep14° / 5710.6012.63.7
Oct / 64121.79.60.9
Nov / -1°6312.36.96.70.0
Dec-2° / -5°6513.412.750.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 72%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23169
33070
43070
53070
62971
73070
83070
93070
103070
113070
122971
132971
142971
152872
162872
172872
182971
192872
202872
212872
222872
232872
242773
252773
262773
272773
282674
292674
302674

Chance of precipitation in September

Any precipitation

Sortavala gets around 57 mm of rain over 10.6 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 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
336
436
536
636
736
836
936
1036
1136
1236
1336
1436
1536
1635
1735
1835
1935
2035
2135
2236
2336
2436
2537
2637
2738
2838
2939
3039

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
176222
279201
380191
481181
582171
683161
784151
885141
986131
1089110
1190100
129190
139280
149370
159460
169460
179550
189640
199730
209730
219820
229820
239820
249820
259910
269910
279910
289910
299910
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 15 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
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 14 h 06 min 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 174 minutes over September. Sunrise moves from 5:55 AM to 7:11 AM, and sunset from 7:59 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:557:59
214.05:577:56
313.96:007:52
413.86:037:49
513.76:057:46
613.66:087:42
713.56:117:39
813.46:137:36
913.36:167:32
1013.26:187:29
1113.16:217:26
1213.06:247:22
1312.96:267:19
1412.86:297:15
1512.76:327:12
1612.66:347:09
1712.56:377:05
1812.46:397:02
1912.36:426:59
2012.26:456:55
2112.16:476:52
2212.06:506:49
2311.96:536:45
2411.86:556:42
2511.76:586:38
2611.67:016:35
2711.57:036:32
2811.47:066:28
2911.37:096:25
3011.27:116:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.22 kWh/m².

For context, solar energy here swings from a low near 0.1 kWh/m² to a high of 5.67 kWh/m² in June across the year — September's 2.22 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
32.9Moderate
42.8Moderate
52.8Moderate
62.7Moderate
72.7Moderate
82.6Moderate
92.5Moderate
102.5Moderate
112.4Moderate
122.4Moderate
132.3Moderate
142.3Moderate
152.2Moderate
162.2Moderate
172.1Moderate
182.1Moderate
192.0Moderate
202.0Moderate
211.9Dim
221.9Dim
231.9Dim
241.8Dim
251.8Dim
261.7Dim
271.6Dim
281.6Dim
291.6Dim
301.5Dim
Planning a trip in September

Is September a good time to visit Sortavala?

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

3.7
Sightseeing
4th-best month of the year
0.2
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Sortavala.

What to pack for Sortavala in September

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

In September, Sortavala sees daytime highs around 14°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 Sortavala in September

The nearest coast averages about 13°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 16°C and coldest in March near 0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan2Bracing
Feb1Bracing
Mar0Bracing
Apr1Bracing
May3Bracing
Jun7Bracing
Jul14Bracing
Aug16Cool
Sep13Bracing
Oct9Bracing
Nov6Bracing
Dec4Bracing

UV index in Sortavala 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 Sortavala peaks around July 13 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateModerateLowJul 13UV 5Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar1Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5High
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Sortavala?

Sortavala sits at 61.7°N, 30.7°E, 3 m above sea level, in Russia. The nearest listed city is Priozërsk, 81 km away.

Topography around Sortavala

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

Within 3 km, the terrain around Sortavala has only modest variations in elevation — a maximum elevation change of 98 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 188 m; within 80 km, significant variations in elevation — a maximum elevation change of 292 m.

The land around Sortavala is covered by trees (47%) and water (21%) within 3 km, trees (66%) and water (23%) within 16 km, and trees (62%) and water (33%) within 80 km.

3 km
98 m
16 km
188 m
80 km
292 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Priozërsk 81 km · Savonlinna 98 km · Joensuu 110 km · Svetogorsk 119 km · Imatra 120 km · Kontiolahti 125 km · Lappeenranta 153 km · Vyborg 153 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 Sortavala (61.7123°, 30.7095°, elevation 3 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).