Varkaus weather in September

In September, Varkaus sees average daytime highs of 13°C and overnight lows near 7°C, with 56 mm of rain across 10.8 wet days and about 12.6 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 10°C by the end. The sky is clear or mostly clear about 12% 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 Varkaus's 7th-clearest and 7th-windiest month. For the whole year in context, see Varkaus's year-round climate.

Daytime high
13°
5th warmest
Overnight low
9th coldest
Rainfall
56 mm
10.8 wet days
Daylight
12 h 36 min
5:45 AM – 6:21 PM
Cloud cover
75%
7th clearest
Wind
12 km/h
7th windiest
Solar energy
2.05 kWh/m²
Travel score
3.4
out of 10

Varkaus is urban area in North Savo region, Finland.

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 10°C by the end.

A typical September day in Varkaus reaches about 13°C in the afternoon and slips back to 7°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 17°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)
11610
21610
31610
4169
5159
6159
7159
8159
9159
10148
11148
12148
13148
14138
15137
16137
17137
18137
19127
20127
21126
22126
23126
24116
25116
26116
27116
28105
29105
30105

How September really feels in Varkaus

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.

Varkaus weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -10°3810.211.65.70.0
Feb-5° / -10°318.39.28.30.0
Mar / -7°318.78.911.30.0
Apr / -1°338.4414.40.7
May13° / 52100.417.33.7
Jun18° / 11°7513.3019.25.2
Jul21° / 13°8412.7018.45.9
Aug19° / 12°7112.5015.75.5
Sep13° / 5610.8012.63.4
Oct / 5511.52.29.50.6
Nov / -2°4911.37.26.60.0
Dec-3° / -7°4611.811.34.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22773
32773
42773
52773
62773
72872
82872
92773
102773
112872
122872
132773
142773
152674
162674
172674
182674
192575
202476
212476
222377
232278
242179
252278
262179
272179
282179
292080
302080

Chance of precipitation in September

Any precipitation

Varkaus gets around 56 mm of rain over 10.8 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 37% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
338
438
538
638
738
838
938
1038
1138
1238
1338
1438
1538
1637
1737
1837
1937
2036
2136
2235
2335
2435
2535
2634
2734
2834
2935
3035

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
184151
285141
386131
487121
588111
689101
79190
89280
99370
109460
119460
129550
139640
149640
159730
169730
179730
189820
199820
209820
219910
229910
239910
249910
2510000
2610000
2710000
2810000
2910000
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 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 5:04 AM to 6:23 AM, and sunset from 7:12 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:047:12
214.05:077:09
313.95:107:05
413.85:137:02
513.75:156:58
613.65:186:55
713.55:216:51
813.45:246:48
913.35:266:45
1013.25:296:41
1113.15:326:38
1213.05:346:34
1312.95:376:31
1412.85:406:27
1512.75:426:24
1612.65:456:21
1712.55:486:17
1812.45:516:14
1912.35:536:10
2012.25:566:07
2112.15:596:03
2212.06:016:00
2311.96:045:56
2411.86:075:53
2511.76:105:50
2611.66:125:46
2711.56:155:43
2811.46:185:39
2911.36:205:36
3011.26:235:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.05 kWh/m².

For context, solar energy here swings from a low near 0.08 kWh/m² to a high of 5.22 kWh/m² in June across the year — September's 2.05 kWh/m² falls in the middle.

0123151015202530
Solar energy (kWh/m²)Level
12.8Moderate
22.7Moderate
32.6Moderate
42.6Moderate
52.5Moderate
62.5Moderate
72.4Moderate
82.4Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.2Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.0Moderate
172.0Dim
181.9Dim
191.9Dim
201.8Dim
211.8Dim
221.7Dim
231.7Dim
241.6Dim
251.6Dim
261.6Dim
271.5Dim
281.4Dim
291.4Dim
301.4Dim
Planning a trip in September

Is September a good time to visit Varkaus?

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

3.4
Sightseeing
5th-best month of the year
0.1
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Varkaus.

What to pack for Varkaus in September

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

In September, Varkaus sees daytime highs around 13°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Varkaus 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 Varkaus peaks around July 13 at about 5 (moderate) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJul 13UV 5Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar1Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Varkaus?

Varkaus sits at 62.3°N, 27.9°E, 76 m above sea level, in Finland. The nearest listed city is Pieksämäki, 38 km away.

KuopioSavonlinnaMikkeliSiilinjärviLaukaaJoensuuJyväskylä

Topography around Varkaus

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

Within 3 km, the terrain around Varkaus has only modest variations in elevation — a maximum elevation change of 58 m around an average of 84 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 132 m; within 80 km, only modest variations in elevation — a maximum elevation change of 178 m.

The land around Varkaus is covered by trees (49%) and water (29%) within 3 km, trees (72%) within 16 km, and trees (72%) and water (23%) within 80 km.

3 km
58 m
16 km
132 m
80 km
178 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Pieksämäki 38 km · Kuopio 65 km · Savonlinna 72 km · Mikkeli 76 km · Siilinjärvi 86 km · Laukaa 100 km · Joensuu 102 km · Jyväskylä 112 km

Finland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$56,149
2025
Happiness
7.8 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 603
Religion
Lutheran 67%none 31%other 2%Greek Orthodox 1%

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 Varkaus (62.3153°, 27.873°, elevation 76 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. 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).