Gävle weather in September

In September, Gävle sees average daytime highs of 16°C and overnight lows near 8°C, with 45 mm of rain across 8.8 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 6th-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 19% 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 Gävle's 5th-clearest and 7th-windiest month. For the whole year in context, see Gävle's year-round climate.

Daytime high
16°
4th warmest
Overnight low
9th coldest
Rainfall
45 mm
8.8 wet days
Daylight
12 h 36 min
5:29 AM – 6:02 PM
Cloud cover
66%
5th clearest
Wind
13 km/h
7th windiest
Solar energy
2.49 kWh/m²
Travel score
4.9
out of 10

Gävle is urban area in Gävle Municipality, Sweden.

Air quality
Good
PM10 16.2 µg/m³ · 2019
Founded
1446

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 Gävle reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°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)
11810
21810
3189
4189
5189
6179
7179
8179
9179
10178
11178
12168
13168
14168
15168
16168
17167
18157
19157
20157
21157
22157
23147
24146
25146
26146
27146
28136
29136
30136

How September really feels in Gävle

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.

Gävle weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -5°338.16.96.20.0
Feb / -6°287.16.98.50.0
Mar / -3°287.46.111.30.1
Apr / 337.62.214.22.1
May15° / 449.30.416.94.5
Jun19° / 6110.5018.65.9
Jul22° / 12°6811.5017.96.3
Aug21° / 11°7212015.56.0
Sep16° / 458.8012.64.9
Oct / 559.70.59.71.9
Nov / -0°469.93.970.1
Dec / -4°429.66.95.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23763
33862
43862
53862
63862
73961
83961
93961
103961
113961
124060
134060
144060
153961
163961
173961
183862
193763
203763
213763
223763
233664
243565
253664
263565
273565
283367
293367
303367

Chance of precipitation in September

Any precipitation

Gävle gets around 45 mm of rain over 8.8 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 30% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
134
233
332
432
531
631
730
830
930
1030
1130
1229
1329
1430
1530
1630
1730
1830
1930
2030
2130
2230
2329
2429
2529
2630
2730
2830
2930
3030

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 (%)
184133
286122
387112
488102
59091
69181
79181
89271
99370
109460
119460
129550
139550
149640
159640
169640
179730
189730
199820
209820
219820
229820
239910
249910
259910
269910
279910
289910
299910
309910

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 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
112light breeze
212light breeze
312light breeze
412light breeze
512light 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
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 4:52 AM to 6:04 AM, and sunset from 6:51 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.04:526:51
213.94:546:47
313.84:576:44
413.74:596:41
513.65:026:38
613.55:046:35
713.45:076:31
813.35:096:28
913.25:126:25
1013.15:146:22
1113.05:176:18
1212.95:196:15
1312.85:226:12
1412.75:246:09
1512.65:276:06
1612.65:296:02
1712.55:325:59
1812.45:345:56
1912.35:375:53
2012.25:395:49
2112.15:425:46
2212.05:445:43
2311.95:475:40
2411.85:495:36
2511.75:525:33
2611.65:545:30
2711.55:575:27
2811.45:595:23
2911.36:025:20
3011.26:045:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.49 kWh/m².

For context, solar energy here swings from a low near 0.16 kWh/m² to a high of 5.51 kWh/m² in June across the year — September's 2.49 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.0Moderate
53.0Moderate
62.9Moderate
72.9Moderate
82.8Moderate
92.8Moderate
102.8Moderate
112.7Moderate
122.7Moderate
132.6Moderate
142.6Moderate
152.5Moderate
162.5Moderate
172.4Moderate
182.4Moderate
192.3Moderate
202.3Moderate
212.2Moderate
222.2Moderate
232.1Moderate
242.1Moderate
252.0Moderate
262.0Dim
271.9Dim
281.9Dim
291.8Dim
301.8Dim
Planning a trip in September

Is September a good time to visit Gävle?

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
0.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Gävle for sightseeing.

What to pack for Gävle in September

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

In September, Gävle sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Gävle in September

The nearest coast averages about 13°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 14 km away) is warmest in August at about 17°C and coldest in February near 1°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
Feb1Bracing
Mar1Bracing
Apr2Bracing
May6Bracing
Jun11Bracing
Jul16Cool
Aug17Cool
Sep13Bracing
Oct9Bracing
Nov6Bracing
Dec3Bracing

UV index in Gävle 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 Gävle peaks around June 17 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 17UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr2Moderate
May4Moderate
Jun5Moderate
Jul4Moderate
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Gävle?

Gävle sits at 60.7°N, 17.1°E, 3 m above sea level, in Sweden. The nearest listed city is Sandviken, 21 km away.

Gamla UppsalaUppsalaBorlängeEnköpingHudiksvallVästerås

Topography around Gävle

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

Within 3 km, the terrain around Gävle has only modest variations in elevation — a maximum elevation change of 55 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 104 m; within 80 km, significant variations in elevation — a maximum elevation change of 499 m.

The land around Gävle is covered by trees (45%) and artificial surfaces (35%) within 3 km, trees (70%) within 16 km, and trees (63%) and water (26%) within 80 km.

3 km
55 m
16 km
104 m
80 km
499 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Sandviken 21 km · Falun 83 km · Gamla Uppsala 90 km · Uppsala 95 km · Borlänge 95 km · Enköping 116 km · Hudiksvall 117 km · Västerås 122 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 Gävle (60.6745°, 17.1417°, elevation 3 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).