Samobor weather in September

In September, Samobor sees average daytime highs of 22°C and overnight lows near 12°C, with 97 mm of rain across 10.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 20°C by the end. The sky is clear or mostly clear about 35% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Samobor's 4th-clearest and 8th-windiest month. For the whole year in context, see Samobor's year-round climate.

Daytime high
22°
4th warmest
Overnight low
12°
9th coldest
Rainfall
97 mm
10.4 wet days
Daylight
12 h 18 min
5:42 AM – 6:01 PM
Cloud cover
56%
4th clearest
Wind
7 km/h
8th windiest
Solar energy
3.64 kWh/m²
Travel score
6.6
out of 10

Samobor is settlement of the City of Samobor, Croatia.

Density
1,019/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 25°C in the first days to 20°C by the end.

A typical September day in Samobor reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12514
22514
32514
42414
52414
62413
72413
82413
92313
102313
112313
122313
132312
142312
152212
162212
172212
182212
192212
202211
212111
222111
232111
242111
252111
262111
272010
282010
292010
302010

How September really feels in Samobor

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.

Samobor weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°508.14.68.90.0
Feb / -1°578.33.810.11.0
Mar13° / 609.82.111.63.4
Apr17° / 7010.30.413.35.4
May22° / 11°9112.6014.76.3
Jun26° / 15°8511.3015.56.5
Jul28° / 17°7710.4015.26.2
Aug28° / 16°839.8013.96.3
Sep22° / 12°9710.4012.36.6
Oct17° / 839.10.110.75.3
Nov10° / 839.81.69.32.4
Dec / -1°709.63.58.50.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25743
35743
45644
55644
65644
75545
85545
95446
105347
115347
125248
135248
145248
155050
165050
175050
184951
194951
204852
214852
224852
234852
244951
254951
264852
274852
284852
294951
304852

Chance of precipitation in September

Any precipitation

Samobor gets around 97 mm of rain over 10.4 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
336
436
536
636
737
837
937
1037
1137
1237
1337
1436
1536
1636
1736
1835
1935
2035
2134
2234
2333
2433
2533
2632
2732
2833
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 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13633283
23833273
33934252
44034242
54035232
64136221
74136211
84237211
94337201
104337190
114437180
124537170
134737160
144837150
155036140
165235130
175335120
185534110
195732110
205931100
21613090
22632980
23652870
24662860
25682750
26682750
27692740
28712630
29712630
30712630

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 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 96 minutes over September. Sunrise moves from 5:23 AM to 6:00 AM, and sunset from 6:31 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:236:31
213.15:246:29
313.05:256:27
413.05:276:25
512.95:286:23
612.95:296:21
712.85:306:19
812.85:326:17
912.75:336:15
1012.65:346:13
1112.65:366:11
1212.55:376:09
1312.55:386:07
1412.45:396:05
1512.45:416:03
1612.35:426:01
1712.35:435:59
1812.25:445:57
1912.25:465:55
2012.15:475:53
2112.05:485:51
2212.05:505:49
2311.95:515:47
2411.95:525:45
2511.85:545:43
2611.85:555:41
2711.75:565:39
2811.75:575:37
2911.65:595:35
3011.56:005:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.64 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 5.93 kWh/m² in July across the year — September's 3.64 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.0Bright
84.0Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.6Moderate
173.6Moderate
183.5Moderate
193.5Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.3Moderate
243.3Moderate
253.2Moderate
263.2Moderate
273.1Moderate
283.1Moderate
293.1Moderate
303.0Moderate
Planning a trip in September

Is September a good time to visit Samobor?

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

6.6
Sightseeing
1st-best month of the year
4.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Samobor for sightseeing.

What to pack for Samobor in September

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

In September, Samobor sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Samobor 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 Samobor peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 16UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Samobor 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 Samobor is worst in March — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2218 µg/m³Sep 1713 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar19Moderate
Apr18Moderate
May16Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct14Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Samobor?

Samobor sits at 45.8°N, 15.7°E, 153 m above sea level, in Croatia. The nearest listed city is Zaprešić, 9.0 km away.

Velika GoricaSesveteKarlovacNovo Mesto

Topography around Samobor

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

Within 3 km, the terrain around Samobor has significant variations in elevation — a maximum elevation change of 299 m around an average of 190 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 759 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,442 m.

The land around Samobor is covered by trees (47%) and grassland (27%) within 3 km, trees (59%) and grassland (22%) within 16 km, and trees (70%) within 80 km.

3 km
299 m
16 km
759 m
80 km
1,442 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Zaprešić 9.0 km · Centar 20 km · Zagreb 20 km · Žumberak 24 km · Velika Gorica 30 km · Sesvete 31 km · Karlovac 37 km · Novo Mesto 43 km

Croatia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 53% of US
price level, 2025
GDP per capita
$27,104
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
87%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
7.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 617
Religion
Roman Catholic 79%other Christian 5%none or atheist 5%Orthodox 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 Samobor (45.8031°, 15.7181°, elevation 153 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).