Humenné weather in September

In September, Humenné sees average daytime highs of 19°C and overnight lows near 9°C, with 72 mm of rain across 10.2 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 17°C by the end. The sky is clear or mostly clear about 29% 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 Humenné's 3rd-clearest and 9th-windiest month. For the whole year in context, see Humenné's year-round climate.

Daytime high
19°
4th warmest
Overnight low
9th coldest
Rainfall
72 mm
10.2 wet days
Daylight
12 h 24 min
5:16 AM – 5:37 PM
Cloud cover
59%
3rd clearest
Wind
8 km/h
9th windiest
Solar energy
3.34 kWh/m²
Travel score
6.0
out of 10

Humenné is town in the Prešov Region in eastern Slovakia.

Air quality
Elevated
PM2.5 17.7 µg/m³ · 2019
Density
1,064/km²
people per km²
Founded
1317

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 17°C by the end.

A typical September day in Humenné 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 25°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)
12211
22211
32211
42111
52111
62111
72110
82110
92010
102010
112010
122010
132010
14199
15199
16199
17199
18199
19189
20189
21189
22188
23188
24188
25178
26178
27178
28178
29178
30167

How September really feels in Humenné

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.

Humenné 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°4911.18.98.50.0
Feb / -4°5110.37.99.80.0
Mar / -1°4810.53.711.61.2
Apr14° / 5811.41.113.44.1
May19° / 89140155.6
Jun23° / 12°9213.6015.96.2
Jul24° / 14°10913.7015.56.4
Aug24° / 13°7211.1014.26.8
Sep19° / 7210.2012.46.0
Oct13° / 659.90.310.53.7
Nov / 5810.53.58.90.8
Dec / -3°5711.48.68.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25347
35347
45248
55149
65050
75050
84951
94951
104852
114753
124654
134654
144555
154555
164555
174456
184456
194456
204357
214258
224258
234258
244258
254258
264258
274258
284258
294258
304258

Chance of precipitation in September

Any precipitation

Humenné gets around 72 mm of rain over 10.2 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
236
336
436
535
635
735
835
935
1035
1134
1234
1334
1434
1534
1633
1733
1833
1933
2033
2133
2233
2333
2433
2532
2632
2732
2832
2932
3032

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
161309
263298
364288
466277
568266
669256
771245
872235
974224
1074224
1175214
1277203
1378193
1479183
1581172
1682162
1782162
1883152
1985141
2086131
2186131
2287121
2388111
2488111
2590100
2690100
279190
289190
299190
309280

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 9 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
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
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 4:54 AM to 5:37 AM, and sunset from 6:10 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.34:546:10
213.24:556:08
313.14:576:06
413.14:586:04
513.05:006:02
613.05:015:59
712.95:035:57
812.85:045:55
912.85:065:53
1012.75:075:51
1112.75:095:48
1212.65:105:46
1312.55:125:44
1412.55:135:42
1512.45:155:40
1612.45:165:37
1712.35:175:35
1812.25:195:33
1912.25:205:31
2012.15:225:28
2112.05:235:26
2212.05:255:24
2311.95:265:22
2411.95:285:20
2511.85:295:17
2611.75:315:15
2711.75:325:13
2811.65:345:11
2911.65:355:09
3011.55:375:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.34 kWh/m².

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.6 kWh/m² in June across the year — September's 3.34 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.0Bright
34.0Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.3Moderate
173.3Moderate
183.2Moderate
193.2Moderate
203.1Moderate
213.1Moderate
223.0Moderate
233.0Moderate
242.9Moderate
252.9Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.7Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Humenné?

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

6.0
Sightseeing
4th-best month of the year
2.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Humenné for sightseeing.

What to pack for Humenné in September

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

In September, Humenné 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 Humenné 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 Humenné peaks around July 11 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 11UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May6High
Jun7Very high
Jul7Very high
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Humenné 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 Humenné is worst in June — around 22 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Humenné's WHO annual average of 17.7 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1922 µg/m³Dec 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun22Moderate
Jul21Moderate
Aug20Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec12Moderate
Location & terrain

Where is Humenné?

Humenné sits at 48.9°N, 21.9°E, 152 m above sea level, in Slovakia. The nearest listed city is Vranov nad Topľou, 18 km away.

TrebišovUzhhorodPrešovKošiceBardejov

Topography around Humenné

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

Within 3 km, the terrain around Humenné has significant variations in elevation — a maximum elevation change of 256 m around an average of 200 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 950 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,382 m.

The land around Humenné is covered by trees (47%) and grassland (20%) within 3 km, trees (64%) within 16 km, and trees (61%) and cropland (23%) within 80 km.

3 km
256 m
16 km
950 m
80 km
1,382 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Vranov nad Topľou 18 km · Snina 18 km · Michalovce 20 km · Trebišov 37 km · Uzhhorod 44 km · Prešov 50 km · Košice 54 km · Bardejov 61 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 Humenné (48.9371°, 21.9163°, elevation 152 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).