Borlänge weather in September

In September, Borlänge sees average daytime highs of 15°C and overnight lows near 6°C, with 47 mm of rain across 8.9 wet days and about 12.6 hours of daylight. It is the 5th-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 18% 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 Borlänge's 5th-clearest and 7th-windiest month. For the whole year in context, see Borlänge's year-round climate.

Daytime high
15°
5th warmest
Overnight low
9th coldest
Rainfall
47 mm
8.9 wet days
Daylight
12 h 30 min
5:36 AM – 6:09 PM
Cloud cover
68%
5th clearest
Wind
11 km/h
7th windiest
Solar energy
2.4 kWh/m²
Travel score
4.4
out of 10

Borlänge is urban area in Borlänge Municipality, Sweden.

Air quality
Excellent
PM2.5 5 µg/m³ · 2015
Founded
1944

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 Borlänge reaches about 15°C in the afternoon and slips back to 6°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 19°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°151015202530
Avg high (°C)Avg low (°C)
1178
2178
3178
4178
5178
6168
7168
8168
9167
10167
11167
12157
13157
14157
15157
16156
17156
18146
19146
20146
21146
22146
23135
24135
25135
26135
27135
28125
29125
30124

How September really feels in Borlänge

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.

Borlänge weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -7°388.77.66.30.0
Feb-1° / -7°287.27.28.60.0
Mar / -5°307.45.911.30.1
Apr / -1°3682.614.22.0
May15° / 5611.30.716.94.4
Jun19° / 7612.1018.55.5
Jul21° / 11°7712.6017.86.0
Aug20° / 10°8113.4015.45.6
Sep15° / 478.9012.64.4
Oct / 5510.11.29.71.4
Nov / -2°499.84.97.10.0
Dec-1° / -5°449.88.25.50.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% 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 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23268
33268
43367
53268
63367
73466
83466
93367
103565
113565
123565
133565
143565
153565
163466
173466
183565
193565
203466
213565
223565
233565
243664
253565
263565
273466
283466
293466
303367

Chance of precipitation in September

Any precipitation

Borlänge gets around 47 mm of rain over 8.9 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 31% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
334
433
532
631
730
830
930
1030
1129
1229
1329
1429
1529
1630
1730
1830
1930
2030
2130
2230
2331
2431
2531
2632
2732
2832
2933
3033

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19082
29172
39262
49352
59451
69541
79541
89631
99730
109730
119820
129820
139820
149820
159820
169910
179910
189910
199910
209910
219910
229910
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 11 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
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 4:59 AM to 6:11 AM, and sunset from 6:57 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.04:596:57
213.95:016:54
313.85:046:51
413.75:066:47
513.65:096:44
613.55:116:41
713.45:146:38
813.35:166:35
913.25:196:31
1013.15:216:28
1113.05:246:25
1212.95:266:22
1312.85:296:19
1412.75:316:15
1512.65:346:12
1612.55:366:09
1712.55:396:06
1812.45:416:03
1912.35:445:59
2012.25:465:56
2112.15:495:53
2212.05:515:50
2311.95:545:46
2411.85:565:43
2511.75:595:40
2611.66:015:37
2711.56:045:34
2811.46:065:30
2911.36:095:27
3011.26:115:24

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.4 kWh/m².

For context, solar energy here swings from a low near 0.16 kWh/m² to a high of 5.32 kWh/m² in June across the year — September's 2.4 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
42.9Moderate
52.9Moderate
62.8Moderate
72.8Moderate
82.7Moderate
92.7Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.5Moderate
142.5Moderate
152.4Moderate
162.4Moderate
172.3Moderate
182.3Moderate
192.2Moderate
202.2Moderate
212.1Moderate
222.1Moderate
232.0Moderate
242.0Dim
251.9Dim
261.9Dim
271.9Dim
281.8Dim
291.8Dim
301.7Dim
Planning a trip in September

Is September a good time to visit Borlänge?

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

4.4
Sightseeing
4th-best month of the year
0.4
Beach & pool
5th-best month of the year

September is a reasonable time to visit Borlänge for sightseeing.

What to pack for Borlänge in September

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

In September, Borlänge sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Borlänge in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Borlänge peaks around June 16 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 16UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul4Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Borlänge?

Borlänge sits at 60.5°N, 15.4°E, 124 m above sea level, in Sweden. The nearest listed city is Falun, 17 km away.

GävleKöpingVästeråsEnköpingÖrebro

Topography around Borlänge

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

Within 3 km, the terrain around Borlänge has only modest variations in elevation — a maximum elevation change of 130 m around an average of 138 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 387 m; within 80 km, significant variations in elevation — a maximum elevation change of 539 m.

The land around Borlänge is covered by trees (43%) and artificial surfaces (25%) within 3 km, trees (68%) within 16 km, and trees (82%) within 80 km.

3 km
130 m
16 km
387 m
80 km
539 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Falun 17 km · Ludvika 40 km · Sandviken 74 km · Gävle 95 km · Köping 112 km · Västerås 115 km · Enköping 131 km · Örebro 135 km

Sweden travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 87% of US
price level, 2025
GDP per capita
$63,133
2025
Happiness
7.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 609
Religion
Church of Sweden 54%none or unspecified 37%other 9%

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 Borlänge (60.4858°, 15.4371°, elevation 124 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).