Martin weather in September

In September, Martin sees average daytime highs of 17°C and overnight lows near 7°C, with 80 mm of rain across 11.6 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 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 25% 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 Martin's 3rd-clearest and 7th-windiest month. For the whole year in context, see Martin's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Rainfall
80 mm
11.6 wet days
Daylight
12 h 24 min
5:28 AM – 5:49 PM
Cloud cover
62%
3rd clearest
Wind
7 km/h
7th windiest
Solar energy
3.24 kWh/m²
Travel score
5.1
out of 10

Martin is city in northern Slovakia.

Air quality
Moderate
PM2.5 15 µg/m³ · 2019
Density
755/km²
people per km²
Founded
1284

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 19°C in the first days to 15°C by the end.

A typical September day in Martin reaches about 17°C in the afternoon and slips back to 7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1199
2199
3199
4199
5199
6189
7189
8188
9188
10188
11188
12178
13178
14178
15178
16177
17177
18167
19167
20167
21167
22167
23166
24166
25156
26156
27156
28156
29156
30156

How September really feels in Martin

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.

Martin 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-1° / -6°5911.49.98.50.0
Feb / -6°5710.99.29.80.0
Mar / -2°6611.9711.60.6
Apr12° / 6511.82.513.43.1
May17° / 9515.20154.7
Jun20° / 10°10415.3015.95.5
Jul22° / 12°11215.7015.65.8
Aug22° / 11°9112.4014.26.3
Sep17° / 8011.6012.45.1
Oct11° / 6910.81.310.52.8
Nov / -0°6310.95.28.90.4
Dec / -5°6211.79.88.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34654
44654
54555
64456
74357
84357
94258
104258
114159
124159
134159
144159
154060
164159
174159
184060
194060
203961
213961
224060
234159
244159
254060
264060
274060
284060
293961
303862

Chance of precipitation in September

Any precipitation

Martin gets around 80 mm of rain over 11.6 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 39% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
243
342
442
542
642
742
842
942
1041
1141
1241
1340
1440
1539
1639
1739
1838
1938
2037
2137
2237
2336
2436
2536
2636
2736
2836
2936
3036

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
177212
278202
379192
481181
582171
683161
785150
885150
986140
1087130
1188120
1289110
1389110
1490100
159190
169280
179280
189370
199370
209460
219550
229550
239640
249640
259730
269730
279730
289820
299820
309820

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
57calm
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 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 5:06 AM to 5:49 AM, and sunset from 6:22 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:066:22
213.25:076:20
313.25:096:18
413.15:106:16
513.05:126:14
613.05:136:11
712.95:156:09
812.85:166:07
912.85:186:05
1012.75:196:03
1112.75:216:00
1212.65:225:58
1312.55:235:56
1412.55:255:54
1512.45:265:52
1612.45:285:49
1712.35:295:47
1812.25:315:45
1912.25:325:43
2012.15:345:40
2112.05:355:38
2212.05:375:36
2311.95:385:34
2411.95:405:31
2511.85:415:29
2611.75:435:27
2711.75:445:25
2811.65:465:23
2911.65:475:20
3011.55:495:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.24 kWh/m².

For context, solar energy here swings from a low near 0.8 kWh/m² to a high of 5.41 kWh/m² in June across the year — September's 3.24 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.8Moderate
43.8Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.3Moderate
153.3Moderate
163.2Moderate
173.2Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.0Moderate
223.0Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.6Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Martin?

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

5.1
Sightseeing
4th-best month of the year
1.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Martin for sightseeing.

What to pack for Martin in September

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

In September, Martin sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Martin 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 Martin 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
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Martin 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 Martin is worst in June — around 19 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Martin's WHO annual average of 15 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1819 µg/m³Dec 1311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar17Moderate
Apr17Moderate
May17Moderate
Jun19Moderate
Jul18Moderate
Aug17Moderate
Sep14Moderate
Oct12Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Martin?

Martin sits at 49.1°N, 18.9°E, 400 m above sea level, in Slovakia. The nearest listed city is Rajecke Teplice, 19 km away.

RužomberokDolný KubínPovažská BystricaPrievidzaHandlováBojnice

Topography around Martin

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

Within 3 km, the terrain around Martin has only modest variations in elevation — a maximum elevation change of 150 m around an average of 419 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,351 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,221 m.

The land around Martin is covered by cropland (41%), artificial surfaces (24%) and trees (21%) within 3 km, trees (65%) within 16 km, and trees (71%) within 80 km.

3 km
150 m
16 km
1,351 m
80 km
2,221 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Rajecke Teplice 19 km · Žilina 22 km · Ružomberok 28 km · Dolný Kubín 32 km · Považská Bystrica 37 km · Prievidza 39 km · Handlová 40 km · Bojnice 40 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 Martin (49.0665°, 18.924°, elevation 400 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).