Vasastaden weather in September

In September, Vasastaden sees average daytime highs of 16°C and overnight lows near 9°C, with 50 mm of rain across 8.6 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 13°C by the end. The sky is clear or mostly clear about 21% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Vasastaden's 6th-clearest and 7th-windiest month. For the whole year in context, see Vasastaden's year-round climate.

Daytime high
16°
4th warmest
Overnight low
9th coldest
Rainfall
50 mm
8.6 wet days
Daylight
12 h 30 min
5:27 AM – 5:58 PM
Cloud cover
65%
6th clearest
Wind
13 km/h
7th windiest
Solar energy
2.73 kWh/m²
Travel score
4.9
out of 10

Vasastaden is urban district in Stockholm, Sweden.

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 18°C in the first days to 13°C by the end.

A typical September day in Vasastaden reaches about 16°C in the afternoon and slips back to 9°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 19°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11811
21811
31811
41810
51810
61710
71710
81710
91710
101710
11179
12169
13169
14169
15169
16169
17159
18158
19158
20158
21158
22158
23148
24148
25147
26147
27147
28137
29137
30137

How September really feels in Vasastaden

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.

Vasastaden weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°378.15.56.60.0
Feb / -4°307.66.38.70.0
Mar / -2°307.84.711.30.1
Apr / 337.91.514.11.9
May14° / 429.10.116.64.3
Jun18° / 10°6310.8018.15.7
Jul21° / 13°6610.8017.56.3
Aug20° / 12°6811.8015.36.0
Sep16° / 508.6012.64.9
Oct10° / 489.40.29.82.2
Nov / 4710.22.87.30.2
Dec / -2°4510.25.45.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33961
43961
54060
64060
74060
84159
94060
104159
114159
124159
134258
144258
154159
164159
174060
184060
194159
204060
214060
223961
234060
244060
253862
263862
273862
283862
293862
303862

Chance of precipitation in September

Any precipitation

Vasastaden gets around 50 mm of rain over 8.6 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 29% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
334
434
533
633
732
832
931
1031
1130
1230
1329
1429
1528
1628
1727
1827
1927
2027
2126
2226
2326
2426
2527
2627
2727
2827
2927
3028

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
172235
274224
375214
477203
578193
680182
781172
883161
984151
1085141
1186131
1288120
1389110
1490100
159190
169280
179370
189370
199460
209550
219550
229640
239640
249730
259730
269730
279730
289820
299820
309820

Wind in September

Winds average 13 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
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light 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 13 h 54 min at the start of September to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 156 minutes over September. Sunrise moves from 4:51 AM to 6:00 AM, and sunset from 6:44 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.94:516:44
213.84:546:41
313.74:566:38
413.64:586:35
513.55:016:32
613.45:036:29
713.35:056:26
813.25:086:23
913.25:106:19
1013.15:126:16
1113.05:156:13
1212.95:176:10
1312.85:196:07
1412.75:226:04
1512.65:246:01
1612.55:275:58
1712.45:295:55
1812.35:315:52
1912.25:345:49
2012.25:365:45
2112.15:385:42
2212.05:415:39
2311.95:435:36
2411.85:455:33
2511.75:485:30
2611.65:505:27
2711.55:525:24
2811.45:555:21
2911.35:575:18
3011.36:005:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.73 kWh/m².

For context, solar energy here swings from a low near 0.21 kWh/m² to a high of 5.87 kWh/m² in June across the year — September's 2.73 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.7Moderate
162.7Moderate
172.6Moderate
182.6Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.4Moderate
232.4Moderate
242.3Moderate
252.3Moderate
262.2Moderate
272.1Moderate
282.1Moderate
292.0Moderate
302.0Dim
Planning a trip in September

Is September a good time to visit Vasastaden?

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

4.9
Sightseeing
4th-best month of the year
0.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Vasastaden for sightseeing.

What to pack for Vasastaden in September

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

In September, Vasastaden sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Vasastaden in September

The nearest coast averages about 14°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 32 km away) is warmest in August at about 17°C and coldest in March near 2°C.

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

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar2Bracing
Apr3Bracing
May7Bracing
Jun12Bracing
Jul16Cool
Aug17Cool
Sep14Bracing
Oct10Bracing
Nov7Bracing
Dec5Bracing

UV index in Vasastaden 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 Vasastaden peaks around June 17 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateModerateLowJun 17UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Vasastaden?

Vasastaden sits at 59.4°N, 18.0°E, 35 m above sea level, in Sweden. The nearest listed city is Kungsholmen, 2.0 km away.

Topography around Vasastaden

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

Within 3 km, the terrain around Vasastaden has only modest variations in elevation — a maximum elevation change of 67 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, only modest variations in elevation — a maximum elevation change of 125 m.

The land around Vasastaden is covered by artificial surfaces (44%) and trees (36%) within 3 km, trees (55%) within 16 km, and trees (43%) and water (39%) within 80 km.

3 km
67 m
16 km
100 m
80 km
125 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Kungsholmen 2.0 km · Solna 2.0 km · Råsunda 3.0 km · Stockholm 3.0 km · Östermalm 3.0 km · Sundbyberg 4.0 km · Södermalm 5.0 km · Bromma 5.0 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 Vasastaden (59.35°, 18.0333°, elevation 35 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).