Topoľčany weather in September

In September, Topoľčany sees average daytime highs of 20°C and overnight lows near 10°C, with 71 mm of rain across 9.6 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 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 Topoľčany's 3rd-clearest and 7th-windiest month. For the whole year in context, see Topoľčany's year-round climate.

Daytime high
20°
4th warmest
Overnight low
10°
9th coldest
Rainfall
71 mm
9.6 wet days
Daylight
12 h 24 min
5:31 AM – 5:52 PM
Cloud cover
57%
3rd clearest
Wind
9 km/h
7th windiest
Solar energy
3.48 kWh/m²
Travel score
6.3
out of 10

Topoľčany is town and administrative center of Topoľčany district in the Nitra region of Slovakia.

Density
873/km²
people per km²
Founded
1173

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 Topoľčany reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 26°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)
12312
22312
32212
42212
52212
62212
72212
82111
92111
102111
112111
122111
132111
142011
152011
162010
172010
182010
191910
201910
211910
22199
23199
24199
25189
26189
27189
28189
29189
30178

How September really feels in Topoľčany

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.

Topoľčany 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 / -4°4395.28.50.0
Feb / -3°408.74.99.80.1
Mar / 489.72.111.61.9
Apr15° / 529.70.413.44.6
May20° / 8412.70155.9
Jun23° / 13°8912.3015.86.5
Jul25° / 14°8912.6015.56.5
Aug25° / 14°7610.7014.16.8
Sep20° / 10°719.6012.46.3
Oct14° / 569.40.210.64.1
Nov / 539.72.291.1
Dec / -2°48104.78.20.0

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 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35446
45446
55248
65248
75248
85149
95149
105050
115050
124951
135050
144951
154951
164951
174852
184852
194852
204852
214852
224852
234852
244852
254852
264753
274753
284753
294654
304555

Chance of precipitation in September

Any precipitation

Topoľčany gets around 71 mm of rain over 9.6 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 (%)
135
235
335
435
535
635
735
834
934
1034
1134
1233
1333
1433
1532
1632
1732
1832
1932
2031
2131
2231
2330
2430
2530
2630
2730
2830
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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1603010
262299
363298
465287
565287
667276
768275
869265
970264
1070264
1171254
1273243
1373243
1474233
1577212
1678202
1779192
1881172
1982162
2084151
2186131
2287121
2388111
2488111
2589101
269091
279091
289190
299190
309190

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:09 AM to 5:52 AM, and sunset from 6:25 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:096:25
213.25:116:22
313.15:126:20
413.15:146:18
513.05:156:16
613.05:176:14
712.95:186:12
812.85:206:10
912.85:216:07
1012.75:226:05
1112.75:246:03
1212.65:256:01
1312.55:275:59
1412.55:285:57
1512.45:305:54
1612.45:315:52
1712.35:335:50
1812.25:345:48
1912.25:365:46
2012.15:375:43
2112.05:385:41
2212.05:405:39
2311.95:415:37
2411.95:435:35
2511.85:445:32
2611.75:465:30
2711.75:475:28
2811.65:495:26
2911.65:505:24
3011.55:525:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.48 kWh/m².

For context, solar energy here swings from a low near 0.82 kWh/m² to a high of 5.8 kWh/m² in June across the year — September's 3.48 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
103.7Moderate
113.7Moderate
123.6Moderate
133.6Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.0Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Topoľčany?

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 Topoľčany for sightseeing.

What to pack for Topoľčany in September

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

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

rain gear

UV index in Topoľčany in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Topoľčany peaks around July 11 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 11UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Topoľčany 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 Topoľčany is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1716 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar14Moderate
Apr15Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug14Moderate
Sep12Moderate
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Topoľčany?

Topoľčany sits at 48.6°N, 18.2°E, 174 m above sea level, in Slovakia. The nearest listed city is Partizánske, 18 km away.

PiešťanyNitraHlohovecNové Mesto nad VáhomTrenčínBojnice

Topography around Topoľčany

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

Within 3 km, the terrain around Topoľčany has only modest variations in elevation — a maximum elevation change of 65 m around an average of 180 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 691 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,474 m.

The land around Topoľčany is covered by cropland (64%) within 3 km, cropland (52%) and trees (39%) within 16 km, and trees (45%) and cropland (40%) within 80 km.

3 km
65 m
16 km
691 m
80 km
1,474 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Partizánske 18 km · Bánovce nad Bebravou 19 km · Piešťany 25 km · Nitra 29 km · Hlohovec 31 km · Nové Mesto nad Váhom 33 km · Trenčín 38 km · Bojnice 39 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 Topoľčany (48.5636°, 18.1671°, elevation 174 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).