Svetogorsk weather in September

In September, Svetogorsk sees average daytime highs of 15°C and overnight lows near 8°C, with 56 mm of rain across 10.4 wet days and about 12.6 hours of daylight. It is the 5th-warmest and 5th-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 13% 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 Svetogorsk's 7th-clearest and 7th-windiest month. For the whole year in context, see Svetogorsk's year-round climate.

Daytime high
15°
5th warmest
Overnight low
9th coldest
Rainfall
56 mm
10.4 wet days
Daylight
12 h 36 min
6:42 AM – 7:16 PM
Cloud cover
72%
7th clearest
Wind
12 km/h
7th windiest
Solar energy
2.31 kWh/m²
Travel score
4.1
out of 10

Svetogorsk is town in Leningrad Oblast, Russia.

Density
315/km²
people per km²
Founded
1887

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 Svetogorsk reaches about 15°C in the afternoon and slips back to 8°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 19°C. Set against its neighbours, September runs about 6°C cooler than August and about 7°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11810
21710
31710
4179
5179
6179
7169
8169
9169
10168
11168
12158
13158
14158
15158
16157
17147
18147
19147
20147
21137
22136
23136
24136
25136
26126
27126
28126
29126
30125

How September really feels in Svetogorsk

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.

Svetogorsk weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -9°441112.16.10.0
Feb-4° / -10°389.19.58.50.0
Mar / -6°3798.411.30.0
Apr / -1°348.73.214.31.4
May15° / 479.20.3174.6
Jun19° / 10°6411.2018.75.9
Jul22° / 13°7211.50186.3
Aug20° / 12°7311.8015.56.0
Sep15° / 5610.4012.64.1
Oct / 5611.11.59.71.1
Nov / -2°5411.566.90.0
Dec-2° / -6°5312.110.65.30.0

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 17% of September, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
22971
32971
43070
53070
63070
73070
83070
93169
103169
113169
123169
133070
143070
153169
163169
173070
183070
193070
203070
213169
223070
232971
242971
252971
262971
272773
282872
292872
302872

Chance of precipitation in September

Any precipitation

Svetogorsk gets around 56 mm of rain over 10.4 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 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
434
534
634
735
835
936
1037
1137
1238
1338
1438
1538
1638
1738
1837
1937
2036
2136
2235
2335
2434
2534
2634
2734
2833
2934
3034

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
179201
281181
382171
483161
585141
686131
787121
888111
990100
109190
119280
129280
139370
149460
159460
169550
179550
189640
199640
209730
219730
229820
239820
249820
259910
269910
279910
289910
299910
3010000

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 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light 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 6:04 AM to 7:18 AM, and sunset from 8:05 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.06:048:05
213.96:068:02
313.86:097:58
413.76:117:55
513.66:147:52
613.56:177:49
713.46:197:45
813.36:227:42
913.26:247:39
1013.16:277:35
1113.06:297:32
1213.06:327:29
1312.96:347:26
1412.86:377:22
1512.76:407:19
1612.66:427:16
1712.56:457:12
1812.46:477:09
1912.36:507:06
2012.26:527:03
2112.16:556:59
2212.06:576:56
2311.97:006:53
2411.87:036:49
2511.77:056:46
2611.67:086:43
2711.57:106:40
2811.47:136:36
2911.37:156:33
3011.27:186:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.31 kWh/m².

For context, solar energy here swings from a low near 0.12 kWh/m² to a high of 5.48 kWh/m² in June across the year — September's 2.31 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
32.9Moderate
42.9Moderate
52.8Moderate
62.8Moderate
72.7Moderate
82.7Moderate
92.6Moderate
102.6Moderate
112.5Moderate
122.5Moderate
132.4Moderate
142.4Moderate
152.3Moderate
162.3Moderate
172.2Moderate
182.2Moderate
192.1Moderate
202.1Moderate
212.0Moderate
222.0Moderate
231.9Dim
241.9Dim
251.9Dim
261.8Dim
271.8Dim
281.7Dim
291.6Dim
301.6Dim
Planning a trip in September

Is September a good time to visit Svetogorsk?

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

4.1
Sightseeing
5th-best month of the year
0.4
Beach & pool
5th-best month of the year

September is a reasonable time to visit Svetogorsk for sightseeing.

What to pack for Svetogorsk in September

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

In September, Svetogorsk sees daytime highs around 15°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Svetogorsk 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 60 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 Svetogorsk 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 Svetogorsk peaks around June 23 at about 5 (moderate) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 23UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr2Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Svetogorsk?

Svetogorsk sits at 61.1°N, 28.9°E, 42 m above sea level, in Russia. The nearest listed city is Imatra, 9.0 km away.

Topography around Svetogorsk

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

Within 3 km, the terrain around Svetogorsk has only modest variations in elevation — a maximum elevation change of 78 m around an average of 61 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 151 m; within 80 km, only modest variations in elevation — a maximum elevation change of 244 m.

The land around Svetogorsk is covered by trees (75%) within 3 km, trees (74%) within 16 km, and trees (72%) and water (21%) within 80 km.

3 km
78 m
16 km
151 m
80 km
244 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Imatra 9.0 km · Lappeenranta 37 km · Vyborg 45 km · Priozërsk 69 km · Savonlinna 84 km · Mikkeli 106 km · Hamina 109 km · Sortavala 119 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 Svetogorsk (61.1121°, 28.8632°, elevation 42 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).