Veliko Tarnovo weather in September

In September, Veliko Tarnovo sees average daytime highs of 23°C and overnight lows near 12°C, with 64 mm of rain across 7.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-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 50% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Veliko Tarnovo's 3rd-clearest and 7th-windiest month. For the whole year in context, see Veliko Tarnovo's year-round climate.

Daytime high
23°
4th warmest
Overnight low
12°
9th coldest
Rainfall
64 mm
7.5 wet days
Daylight
12 h 18 min
6:03 AM – 6:20 PM
Cloud cover
44%
3rd clearest
Wind
7 km/h
7th windiest
Solar energy
4.29 kWh/m²
Travel score
7.4
out of 10

Veliko Tarnovo is city in Veliko Tarnovo municipality, Veliko Tarnovo oblast, Bulgaria.

Air quality
Elevated
PM2.5 22.9 µg/m³ · 2019
Density
1,948/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 Veliko Tarnovo reaches about 23°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
42514
52514
62414
72413
82413
92413
102413
112413
122313
132313
142313
152312
162312
172312
182212
192212
202212
212212
222212
232111
242111
252111
262111
272111
282011
292011
302010

How September really feels in Veliko Tarnovo

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.

Veliko Tarnovo weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°568.96.39.20.0
Feb / -2°548.55.910.20.5
Mar10° / 6811.14.311.62.4
Apr16° / 7211.60.913.14.7
May21° / 11°9714014.45.9
Jun25° / 15°8512.1015.16.6
Jul27° / 16°7910.2014.96.9
Aug27° / 16°506.9013.87.4
Sep23° / 12°647.5012.37.4
Oct17° / 597.80.510.85.6
Nov10° / 567.52.39.52.6
Dec / -2°629.75.88.90.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% 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 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27624
37525
47426
57426
67327
77327
87228
97228
107129
117129
127030
136931
146832
156733
166733
176535
186535
196436
206436
216337
226139
236139
246040
256040
266040
275842
285842
295743
305644

Chance of precipitation in September

Any precipitation

Veliko Tarnovo gets around 64 mm of rain over 7.5 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 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
224
324
424
524
624
723
823
923
1022
1122
1222
1322
1422
1523
1623
1723
1824
1924
2024
2125
2225
2325
2426
2526
2626
2726
2826
2926
3026

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14438171
24637161
34837141
45037130
55237110
65337100
7543790
8553780
9563770
10563770
11573760
12573760
13593650
14593650
15603550
16613450
17613450
18623350
19633250
20643150
21653050
22662950
23672850
24692740
25702640
26712540
27722530
28732430
29742330
30762220

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 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 5:46 AM to 6:19 AM, and sunset from 6:48 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:466:48
213.05:476:46
312.95:486:45
412.95:506:43
512.85:516:41
612.85:526:39
712.75:536:37
812.75:546:35
912.65:556:34
1012.65:566:32
1112.55:576:30
1212.55:596:28
1312.46:006:26
1412.46:016:24
1512.36:026:22
1612.36:036:20
1712.26:046:19
1812.26:056:17
1912.16:076:15
2012.16:086:13
2112.06:096:11
2212.06:106:09
2311.96:116:07
2411.96:126:05
2511.86:136:04
2611.86:156:02
2711.76:166:00
2811.76:175:58
2911.66:185:56
3011.66:195:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.29 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 6.32 kWh/m² in June across the year — September's 4.29 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.4Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.1Bright
204.0Bright
214.0Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.6Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Veliko Tarnovo?

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

7.4
Sightseeing
1st-best month of the year
5.5
Beach & pool
4th-best month of the year

September is one of the better times to visit Veliko Tarnovo for general sightseeing.

What to pack for Veliko Tarnovo in September

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

In September, Veliko Tarnovo sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes. About 8 days see rain.

light clothes

UV index in Veliko Tarnovo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Veliko Tarnovo peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr8Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Veliko Tarnovo 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 Veliko Tarnovo is worst in March — around 29 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 18 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Veliko Tarnovo's WHO annual average of 22.9 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2029 µg/m³Dec 1218 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb24Moderate
Mar29Moderate
Apr27Moderate
May26Moderate
Jun26Moderate
Jul23Moderate
Aug22Moderate
Sep18Moderate
Oct18Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Veliko Tarnovo?

Veliko Tarnovo sits at 43.1°N, 25.6°E, 207 m above sea level, in Bulgaria. The nearest listed city is Gorna Oryahovitsa, 8.0 km away.

GabrovoSevlievoKazanlakPopovoSvishtovZimniceaSliven

Topography around Veliko Tarnovo

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

Within 3 km, the terrain around Veliko Tarnovo has significant variations in elevation — a maximum elevation change of 288 m around an average of 236 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 652 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,352 m.

The land around Veliko Tarnovo is covered by trees (60%) and artificial surfaces (23%) within 3 km, trees (43%) and cropland (38%) within 16 km, and trees (48%) and cropland (37%) within 80 km.

3 km
288 m
16 km
652 m
80 km
2,352 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Gorna Oryahovitsa 8.0 km · Gabrovo 34 km · Sevlievo 43 km · Kazanlak 55 km · Popovo 57 km · Svishtov 64 km · Zimnicea 67 km · Sliven 72 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Veliko Tarnovo (43.0812°, 25.629°, elevation 207 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).