Sopron weather in September

In September, Sopron sees average daytime highs of 20°C and overnight lows near 11°C, with 78 mm of rain across 9.7 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 32% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Sopron's 3rd-clearest and 8th-windiest month. For the whole year in context, see Sopron's year-round climate.

Daytime high
20°
4th warmest
Overnight low
11°
9th coldest
Rainfall
78 mm
9.7 wet days
Daylight
12 h 18 min
5:38 AM – 5:58 PM
Cloud cover
58%
3rd clearest
Wind
11 km/h
8th windiest
Solar energy
3.51 kWh/m²
Travel score
6.3
out of 10

Sopron is city in Hungary.

Air quality
Good
PM10 19.6 µg/m³ · 2018
Density
368/km²
people per km²

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 22°C in the first days to 18°C by the end.

A typical September day in Sopron reaches about 20°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12214
22213
32213
42213
52213
62213
72113
82112
92112
102112
112112
122112
132012
142012
152012
162011
172011
182011
191911
201911
211911
221911
231910
241910
251810
261810
271810
281810
291810
301810

How September really feels in Sopron

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.

Sopron weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°327.74.38.70.0
Feb / -1°327.73.69.90.2
Mar10° / 479.82.411.62.2
Apr15° / 489.50.813.34.6
May20° / 10°8013.2014.95.8
Jun23° / 14°8212.4015.76.5
Jul25° / 16°8812.6015.46.5
Aug25° / 15°8410.7014.16.8
Sep20° / 11°789.7012.46.3
Oct14° / 559.30.310.64.3
Nov / 508.91.89.11.4
Dec / -1°408.33.58.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35347
45248
55248
65149
75050
85050
95050
104852
114753
124753
134753
144753
154753
164753
174654
184753
194753
204753
214852
224852
234852
244753
254852
264852
274753
284753
294654
304555

Chance of precipitation in September

Any precipitation

Sopron gets around 78 mm of rain over 9.7 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
434
535
635
735
835
935
1035
1134
1234
1334
1433
1533
1633
1732
1832
1932
2031
2131
2231
2330
2430
2530
2630
2730
2831
2931
3031

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15432131
25631121
35731111
45931100
5613090
6613090
7623080
8623170
9623170
10643060
11653050
12662950
13672940
14682840
15702730
16712630
17732430
18752320
19762220
20782020
21801910
22821710
23831610
24841510
25851410
26861310
27871210
28871210
29881200
30891100

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 13 h 12 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over September. Sunrise moves from 5:17 AM to 5:58 AM, and sunset from 6:30 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:176:30
213.25:186:28
313.15:206:26
413.05:216:24
513.05:226:21
612.95:246:19
712.95:256:17
812.85:276:15
912.85:286:13
1012.75:296:11
1112.65:316:09
1212.65:326:07
1312.55:346:05
1412.55:356:02
1512.45:366:00
1612.35:385:58
1712.35:395:56
1812.25:415:54
1912.25:425:52
2012.15:435:50
2112.05:455:47
2212.05:465:45
2311.95:485:43
2411.95:495:41
2511.85:505:39
2611.75:525:37
2711.75:535:35
2811.65:555:33
2911.65:565:30
3011.55:585:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.51 kWh/m².

For context, solar energy here swings from a low near 0.96 kWh/m² to a high of 5.72 kWh/m² in June across the year — September's 3.51 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.0Bright
54.0Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.3Moderate
213.3Moderate
223.2Moderate
233.2Moderate
243.1Moderate
253.1Moderate
263.1Moderate
273.0Moderate
283.0Moderate
292.9Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Sopron?

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

6.3
Sightseeing
4th-best month of the year
3.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Sopron for sightseeing.

What to pack for Sopron in September

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

In September, Sopron sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Sopron in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sopron peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Sopron in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Sopron is worst in June — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJun 1316 µg/m³Nov 1012 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul14Moderate
Aug15Moderate
Sep12Moderate
Oct12Good
Nov12Good
Dec15Moderate
Location & terrain

Where is Sopron?

Sopron sits at 47.7°N, 16.6°E, 217 m above sea level, in Hungary. The nearest listed city is Eisenstadt, 19 km away.

Wiener NeustadtBadenMödlingSzombathelyEisenzickenPerchtoldsdorfSárvár

Topography around Sopron

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

Within 3 km, the terrain around Sopron has significant variations in elevation — a maximum elevation change of 255 m around an average of 230 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 495 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,959 m.

The land around Sopron is covered by trees (39%), artificial surfaces (28%) and grassland (23%) within 3 km, trees (32%) and cropland (29%) within 16 km, and trees (42%) and cropland (40%) within 80 km.

3 km
255 m
16 km
495 m
80 km
1,959 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Eisenstadt 19 km · Wiener Neustadt 30 km · Baden 45 km · Mödling 50 km · Szombathely 51 km · Eisenzicken 52 km · Perchtoldsdorf 54 km · Sárvár 54 km

Hungary travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$25,907
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
7.7
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 590
Religion
no answer 40%Catholic 30%none 16%Calvinist 10%

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 Sopron (47.685°, 16.5905°, elevation 217 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).