Žiar nad Hronom weather in September

In September, Žiar nad Hronom sees average daytime highs of 19°C and overnight lows near 9°C, with 74 mm of rain across 9.9 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 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 31% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Žiar nad Hronom's 3rd-clearest and 6th-windiest month. For the whole year in context, see Žiar nad Hronom's year-round climate.

Daytime high
19°
4th warmest
Overnight low
9th coldest
Rainfall
74 mm
9.9 wet days
Daylight
12 h 24 min
5:28 AM – 5:49 PM
Cloud cover
58%
3rd clearest
Wind
8 km/h
6th windiest
Solar energy
3.44 kWh/m²
Travel score
5.9
out of 10

Žiar nad Hronom is town in Slovakia.

Air quality
Moderate
PM2.5 12.9 µg/m³ · 2019
Density
434/km²
people per km²
Founded
1075

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 21°C in the first days to 17°C by the end.

A typical September day in Žiar nad Hronom reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 24°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)
12111
22111
32111
42111
52111
62010
72010
82010
92010
102010
112010
121910
131910
14199
15199
16199
17189
18189
19189
20189
21188
22188
23178
24178
25178
26178
27178
28178
29167
30167

How September really feels in Žiar nad Hronom

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.

Žiar nad Hronom 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 / -5°489.97.18.50.0
Feb / -4°469.36.39.80.0
Mar / -0°5410.33.211.61.3
Apr14° / 59100.713.44.0
May19° / 9414.10155.5
Jun22° / 12°9913.4015.86.1
Jul24° / 13°9913.5015.56.5
Aug24° / 13°8511.5014.16.8
Sep19° / 749.9012.45.9
Oct13° / 629.90.310.63.5
Nov / 6010.62.990.8
Dec / -3°549.95.88.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25446
35347
45347
55248
65149
75149
85050
94951
104951
114951
124951
134951
144951
154852
164951
174852
184852
194753
204753
214753
224753
234753
244753
254654
264654
274654
284555
294555
304357

Chance of precipitation in September

Any precipitation

Žiar nad Hronom gets around 74 mm of rain over 9.9 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
335
435
535
635
735
835
935
1035
1135
1235
1334
1434
1534
1634
1734
1834
1933
2033
2133
2232
2332
2431
2531
2631
2731
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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
164297
266286
368275
469265
571254
672244
773243
874233
975232
1076222
1177212
1279201
1379201
1480191
1581181
1682171
1783161
1884151
1986131
2087121
2188111
2290100
2390100
249190
259280
269280
279370
289370
299370
309460

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 18 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 108 minutes over September. Sunrise moves from 5:07 AM to 5:49 AM, and sunset from 6:22 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:076:22
213.25:086:20
313.15:106:18
413.15:116:16
513.05:126:13
613.05:146:11
712.95:156:09
812.85:176:07
912.85:186:05
1012.75:206:03
1112.75:216:00
1212.65:235:58
1312.55:245:56
1412.55:265:54
1512.45:275:52
1612.45:285:49
1712.35:305:47
1812.25:315:45
1912.25:335:43
2012.15:345:41
2112.05:365:38
2212.05:375:36
2311.95:395:34
2411.95:405:32
2511.85:425:30
2611.75:435:27
2711.75:455:25
2811.65:465:23
2911.65:475:21
3011.55:495:19

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.44 kWh/m².

For context, solar energy here swings from a low near 0.83 kWh/m² to a high of 5.75 kWh/m² in June across the year — September's 3.44 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.0Bright
44.0Bright
53.9Moderate
63.9Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.5Moderate
153.5Moderate
163.4Moderate
173.4Moderate
183.3Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
263.0Moderate
272.9Moderate
282.9Moderate
292.8Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Žiar nad Hronom?

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

5.9
Sightseeing
4th-best month of the year
2.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Žiar nad Hronom for sightseeing.

What to pack for Žiar nad Hronom in September

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

In September, Žiar nad Hronom sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Žiar nad Hronom 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 Žiar nad Hronom peaks around July 12 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 12UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Žiar nad Hronom 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 Žiar nad Hronom is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Žiar nad Hronom's WHO annual average of 12.9 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1816 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar14Moderate
Apr15Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep12Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Žiar nad Hronom?

Žiar nad Hronom sits at 48.6°N, 18.8°E, 279 m above sea level, in Slovakia. The nearest listed city is Handlová, 16 km away.

PrievidzaBanská BystricaBojnicePartizánskeLeviceBánovce nad Bebravou

Topography around Žiar nad Hronom

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

Within 3 km, the terrain around Žiar nad Hronom has significant variations in elevation — a maximum elevation change of 274 m around an average of 297 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,106 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,907 m.

The land around Žiar nad Hronom is covered by trees (37%), grassland (27%) and cropland (20%) within 3 km, trees (76%) within 16 km, and trees (58%) and cropland (27%) within 80 km.

3 km
274 m
16 km
1,106 m
80 km
1,907 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Handlová 16 km · Zvolen 22 km · Prievidza 26 km · Banská Bystrica 27 km · Bojnice 29 km · Partizánske 34 km · Levice 46 km · Bánovce nad Bebravou 46 km

Slovakia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$28,544
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
6.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 606
Religion
Roman Catholic 56%none 24%Evangelical Church of the Augsburg Confession 5%Greek Catholic 4%

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 Žiar nad Hronom (48.5918°, 18.8496°, elevation 279 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).