Bor weather in September

In September, Bor sees average daytime highs of 21°C and overnight lows near 11°C, with 59 mm of rain across 8.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-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 44% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Bor's 3rd-clearest and 9th-windiest month. For the whole year in context, see Bor's year-round climate.

Daytime high
21°
4th warmest
Overnight low
11°
9th coldest
Rainfall
59 mm
8.3 wet days
Daylight
12 h 18 min
5:17 AM – 5:35 PM
Cloud cover
48%
3rd clearest
Wind
8 km/h
9th windiest
Solar energy
4.11 kWh/m²
Travel score
7.0
out of 10

Bor is city in Serbia.

Density
46/km²
people per km²
Founded
2018

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 Bor reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°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 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12413
22413
32413
42412
52312
62312
72312
82312
92312
102312
112211
122211
132211
142211
152211
162111
172111
182111
192110
202110
212010
222010
232010
242010
252010
26199
27199
28199
29199
30199

How September really feels in Bor

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.

Bor weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°5410.37.99.10.0
Feb / -3°519.46.710.20.1
Mar10° / 6410.84.511.62.1
Apr15° / 7212.50.913.24.4
May20° / 10°8213.6014.55.8
Jun24° / 14°8213015.26.5
Jul27° / 15°7211.10156.7
Aug27° / 15°579013.87.1
Sep21° / 11°598.3012.37.0
Oct15° / 598.90.510.84.8
Nov / 609.43.19.41.5
Dec / -3°6210.76.28.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
36931
46931
56733
66733
76634
86634
96535
106535
116436
126436
136337
146337
156238
166238
176238
186139
196040
205941
215941
225842
235743
245743
255644
265644
275644
285545
295545
305446

Chance of precipitation in September

Any precipitation

Bor gets around 59 mm of rain over 8.3 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
226
326
426
526
626
726
826
926
1026
1126
1226
1327
1427
1527
1628
1728
1829
1929
2030
2130
2230
2330
2430
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 (%)
1563410
258339
360328
462317
564306
665296
767285
868284
969274
1069274
1171263
1271263
1372253
1472253
1573243
1673243
1774233
1876222
1976222
2077212
2177212
2279201
2379201
2480191
2580191
2681181
2783170
2883170
2984160
3085150

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 8 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
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min 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 90 minutes over September. Sunrise moves from 4:59 AM to 5:34 AM, and sunset from 6:03 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.14:596:03
213.05:006:02
313.05:026:00
412.95:035:58
512.95:045:56
612.85:055:54
712.85:065:52
812.75:085:50
912.75:095:48
1012.65:105:46
1112.65:115:45
1212.55:125:43
1312.55:135:41
1412.45:155:39
1512.45:165:37
1612.35:175:35
1712.25:185:33
1812.25:195:31
1912.15:215:29
2012.15:225:27
2112.05:235:25
2212.05:245:23
2311.95:255:21
2411.95:275:19
2511.85:285:18
2611.85:295:16
2711.75:305:14
2811.75:315:12
2911.65:335:10
3011.65:345:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.11 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 6.29 kWh/m² in June across the year — September's 4.11 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.8Bright
44.8Bright
54.7Bright
64.6Bright
74.6Bright
84.5Bright
94.5Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.3Moderate
Planning a trip in September

Is September a good time to visit Bor?

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
4.5
Beach & pool
4th-best month of the year

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

What to pack for Bor in September

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

In September, Bor sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Bor in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bor 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
Mar4Moderate
Apr8Very high
May7High
Jun8Very high
Jul9Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Bor?

Bor sits at 44.1°N, 22.1°E, 405 m above sea level, in Serbia. The nearest listed city is Zaječar, 23 km away.

NegotinSokobanjaKnjazevacĆuprijaVidinCalafatJagodina

Topography around Bor

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

Within 3 km, the terrain around Bor has significant variations in elevation — a maximum elevation change of 473 m around an average of 420 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,050 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,700 m.

The land around Bor is covered by trees (49%) within 3 km, trees (59%) and grassland (29%) within 16 km, and trees (59%) and cropland (22%) within 80 km.

3 km
473 m
16 km
1,050 m
80 km
1,700 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Zaječar 23 km · Negotin 39 km · Sokobanja 51 km · Knjazevac 58 km · Ćuprija 60 km · Vidin 64 km · Calafat 68 km · Jagodina 68 km

Serbia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 45% of US
price level, 2025
GDP per capita
$15,262
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
75%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
7.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 579
Religion
Serbian Orthodox 81%unknown 5%Islam 4%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 Bor (44.0749°, 22.0959°, elevation 405 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).