Stavanger weather in September

In September, Stavanger sees average daytime highs of 15°C and overnight lows near 11°C, with 201 mm of rain across 17.1 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 13°C by the end. The sky is clear or mostly clear about 16% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Stavanger's 6th-clearest and 7th-windiest month. For the whole year in context, see Stavanger's year-round climate.

Daytime high
15°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
201 mm
17.1 wet days
Daylight
12 h 30 min
6:16 AM – 6:47 PM
Cloud cover
70%
6th clearest
Wind
17 km/h
7th windiest
Solar energy
2.37 kWh/m²
Travel score
3.6
out of 10

Stavanger is city in Stavanger Municipality, Norway.

Air quality
Good
PM2.5 7.8 µg/m³ · 2019
Density
3,673/km²
people per km²
Founded
1125

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 13°C by the end.

A typical September day in Stavanger reaches about 15°C in the afternoon and slips back to 11°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 17°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
11612
21612
31612
41612
51612
61612
71612
81612
91512
101512
111511
121511
131511
141511
151511
161511
171511
181511
191411
201411
211411
221410
231410
241410
251410
261410
271310
281310
291310
301310

How September really feels in Stavanger

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.

Stavanger weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 19518.57.56.70.0
Feb / 15616.27.48.80.0
Mar / 13316.35.511.40.2
Apr / 9414.31.614.11.4
May12° / 9313.40.116.52.9
Jun15° / 10°10214.30183.8
Jul17° / 13°12215.3017.44.6
Aug17° / 13°16916.9015.24.6
Sep15° / 11°20117.1012.63.6
Oct11° / 22218.50.19.92.1
Nov / 21018.51.57.40.8
Dec / 20919.14.760.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 67%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33664
43565
53565
63664
73565
83565
93466
103466
113367
123367
133367
143367
153367
163367
173367
183268
193268
203268
213268
223268
233367
243367
253367
263367
273367
283367
293367
303367

Chance of precipitation in September

Any precipitation

Stavanger gets around 201 mm of rain over 17.1 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 57% and peaks near 60% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
157
257
357
457
558
658
758
858
958
1058
1158
1258
1357
1457
1557
1656
1756
1856
1955
2055
2155
2255
2355
2456
2556
2657
2758
2858
2959
3060

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 (%)
18614
28713
38812
48812
58911
68911
79010
89010
99010
10919
11919
12919
13928
14928
15937
16937
17946
18946
19955
20955
21955
22964
23964
24964
25973
26973
27973
28973
29982
30982

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3018light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 48 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 150 minutes over September. Sunrise moves from 5:41 AM to 6:48 AM, and sunset from 7:32 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:417:32
213.85:447:29
313.75:467:26
413.65:487:23
513.55:517:20
613.45:537:17
713.35:557:14
813.25:587:11
913.16:007:08
1013.06:027:05
1113.06:047:02
1212.96:076:59
1312.86:096:56
1412.76:116:53
1512.66:146:50
1612.56:166:47
1712.46:186:44
1812.36:216:41
1912.26:236:38
2012.26:256:35
2112.16:286:32
2212.06:306:29
2311.96:326:25
2411.86:346:22
2511.76:376:19
2611.66:396:16
2711.56:416:13
2811.46:446:10
2911.46:466:07
3011.36:486:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.37 kWh/m².

For context, solar energy here swings from a low near 0.21 kWh/m² to a high of 5.39 kWh/m² in June across the year — September's 2.37 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
42.9Moderate
52.9Moderate
62.8Moderate
72.8Moderate
82.7Moderate
92.7Moderate
102.6Moderate
112.6Moderate
122.5Moderate
132.5Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.3Moderate
182.3Moderate
192.2Moderate
202.2Moderate
212.1Moderate
222.1Moderate
232.0Moderate
242.0Moderate
252.0Dim
261.9Dim
271.9Dim
281.9Dim
291.8Dim
301.8Dim
Planning a trip in September

Is September a good time to visit Stavanger?

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

3.6
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

September is a weaker month for outdoor sightseeing in Stavanger.

What to pack for Stavanger in September

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

In September, Stavanger sees daytime highs around 15°C and nights near 11°C. Pack rain gear. Worth having: a warm layer. About 17 days see rain.

rain geara warm layer

Sea temperature near Stavanger 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 18 km away) is warmest in August at about 16°C and coldest in March near 5°C.

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

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan6Bracing
Feb5Bracing
Mar5Bracing
Apr6Bracing
May9Bracing
Jun12Bracing
Jul15Bracing
Aug16Cool
Sep15Bracing
Oct12Bracing
Nov10Bracing
Dec7Bracing

UV index in Stavanger 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 Stavanger 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
May5Moderate
Jun5Moderate
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Stavanger?

Stavanger sits at 59.0°N, 5.7°E, 15 m above sea level, in Norway. The nearest listed city is Sola, 10 km away.

YtrebygdaNesttunBergen

Topography around Stavanger

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

Within 3 km, the terrain around Stavanger 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, significant variations in elevation — a maximum elevation change of 432 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,381 m.

The land around Stavanger is covered by water (36%), artificial surfaces (31%) and trees (22%) within 3 km, water (54%) and grassland (20%) within 16 km, and water (43%), grassland (29%) and trees (22%) within 80 km.

3 km
98 m
16 km
432 m
80 km
1,381 m
treesgrasslandcroplandartificial surfaceswatermoss and lichen
September weather nearby: Sola 10 km · Sandnes 13 km · Time 26 km · Haugesund 56 km · Ytrebygda 151 km · Nesttun 151 km · Bergen 160 km · Kristiansand 160 km

Norway travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 91% of US
price level, 2025
GDP per capita
$94,594
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
2.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 613
Religion
Church of Norway 68%other Christian 4%Muslim 3%Roman Catholic 3%

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 Stavanger (58.9701°, 5.7333°, elevation 15 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).