Botevgrad weather in September

In September, Botevgrad sees average daytime highs of 22°C and overnight lows near 11°C, with 61 mm of rain across 8.6 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 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 46% 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 Botevgrad's 3rd-clearest and 7th-windiest month. For the whole year in context, see Botevgrad's year-round climate.

Daytime high
22°
4th warmest
Overnight low
11°
9th coldest
Rainfall
61 mm
8.6 wet days
Daylight
12 h 18 min
6:11 AM – 6:28 PM
Cloud cover
47%
3rd clearest
Wind
6 km/h
7th windiest
Solar energy
4.25 kWh/m²
Travel score
7.0
out of 10

Botevgrad is city in Botevgrad municipality, Sofia oblast, Bulgaria.

Density
392/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 24°C in the first days to 19°C by the end.

A typical September day in Botevgrad reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12413
22412
32412
42412
52312
62312
72312
82312
92311
102311
112211
122211
132211
142211
152211
162211
172211
182110
192110
202110
212110
222110
232010
242010
25209
26209
27209
28209
29199
30199

How September really feels in Botevgrad

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.

Botevgrad 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 / -5°468.66.49.20.0
Feb / -4°468.46.310.20.3
Mar10° / 6911.65.711.62.1
Apr15° / 82131.313.14.3
May20° / 10315.1014.45.5
Jun24° / 13°9714.3015.16.3
Jul26° / 15°8311.1014.86.9
Aug26° / 14°588.4013.87.4
Sep22° / 11°618.6012.37.0
Oct16° / 588.30.810.85.2
Nov10° / 437.42.49.52.2
Dec / -3°519.36.28.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% 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 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27129
37030
47030
56931
66931
76832
86832
96733
106733
116634
126634
136535
146535
156436
166436
176337
186238
196139
206139
216040
226040
235941
245743
255743
265644
275545
285545
295446
305347

Chance of precipitation in September

Any precipitation

Botevgrad gets around 61 mm of rain over 8.6 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 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
527
627
727
826
926
1026
1126
1226
1326
1426
1526
1626
1727
1827
1928
2028
2128
2229
2329
2429
2530
2630
2730
2830
2930
3030

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 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
153407
255396
358375
460364
562344
664333
765323
868302
969292
1070282
1171272
1272262
1373252
1474242
1575232
1675232
1777221
1877221
1978211
2079201
2179201
2280191
2380191
2481181
2582171
2683161
2785150
2886140
2986140
3087130

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:54 AM to 6:26 AM, and sunset from 6:55 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:546:55
213.05:556:54
312.95:566:52
412.95:576:50
512.85:586:48
612.85:596:46
712.76:006:44
812.76:026:43
912.66:036:41
1012.66:046:39
1112.56:056:37
1212.56:066:35
1312.46:076:33
1412.46:086:32
1512.36:096:30
1612.36:116:28
1712.26:126:26
1812.26:136:24
1912.16:146:22
2012.16:156:20
2112.06:166:18
2212.06:176:17
2311.96:186:15
2411.96:206:13
2511.86:216:11
2611.86:226:09
2711.76:236:07
2811.76:246:05
2911.66:256:04
3011.66:266:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.25 kWh/m².

For context, solar energy here swings from a low near 1.5 kWh/m² to a high of 6.26 kWh/m² in June across the year — September's 4.25 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.1Bright
204.0Bright
214.0Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Botevgrad?

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

7.0
Sightseeing
2nd-best month of the year
4.7
Beach & pool
4th-best month of the year

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

What to pack for Botevgrad in September

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

In September, Botevgrad sees daytime highs around 22°C and nights near 11°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Botevgrad 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 Botevgrad peaks around July 11 at about 9 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 11UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Botevgrad 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 Botevgrad is worst in April — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1215 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar15Moderate
Apr15Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov12Moderate
Dec10Good
Location & terrain

Where is Botevgrad?

Botevgrad sits at 42.9°N, 23.8°E, 385 m above sea level, in Bulgaria. The nearest listed city is Vratsa, 38 km away.

VratsaSofiaPanagyurishteBerkovitsaSamokovPernikMontanaTroyan

Topography around Botevgrad

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

Within 3 km, the terrain around Botevgrad has significant variations in elevation — a maximum elevation change of 407 m around an average of 374 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,477 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,724 m.

The land around Botevgrad is covered by cropland (40%) and trees (34%) within 3 km, trees (80%) within 16 km, and trees (55%) and cropland (25%) within 80 km.

3 km
407 m
16 km
1,477 m
80 km
2,724 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Vratsa 38 km · Sofia 45 km · Panagyurishte 56 km · Berkovitsa 65 km · Samokov 66 km · Pernik 71 km · Montana 73 km · Troyan 75 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 Botevgrad (42.908°, 23.7927°, elevation 385 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).