Prijedor weather in September

In September, Prijedor sees average daytime highs of 23°C and overnight lows near 12°C, with 101 mm of rain across 10.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 21°C by the end. The sky is clear or mostly clear about 36% 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 Prijedor's 4th-clearest and 9th-windiest month. For the whole year in context, see Prijedor's year-round climate.

Daytime high
23°
4th warmest
Overnight low
12°
9th coldest
Rainfall
101 mm
10.5 wet days
Daylight
12 h 18 min
5:38 AM – 5:57 PM
Cloud cover
54%
4th clearest
Wind
6 km/h
9th windiest
Solar energy
3.73 kWh/m²
Travel score
6.7
out of 10

Prijedor is city in Bosnia and Herzegovina.

Air quality
Very high
PM2.5 36.7 µg/m³ · 2016
Density
44/km²
people per km²
Founded
2012

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 21°C by the end.

A typical September day in Prijedor reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12514
22514
32514
42413
52413
62413
72413
82413
92413
102312
112312
122312
132312
142312
152312
162212
172212
182211
192211
202211
212211
222111
232111
242111
252110
262110
272110
282110
292010
302010

How September really feels in Prijedor

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.

Prijedor weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°6810.25.990.0
Feb / -1°679.85.310.11.0
Mar13° / 7511.33.211.63.4
Apr17° / 8612.50.813.25.1
May22° / 11°10913.2014.66.2
Jun25° / 14°9511.9015.36.6
Jul28° / 16°8710.9015.16.5
Aug27° / 16°759013.96.6
Sep23° / 12°10110.5012.36.7
Oct17° / 789.70.310.75.5
Nov11° / 8710.52.39.32.7
Dec / -1°781158.60.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
35941
45842
55842
65743
75644
85644
95545
105545
115545
125446
135446
145446
155347
165347
175446
185347
195347
205347
215248
225248
235347
245347
255347
265347
275347
285347
295347
305248

Chance of precipitation in September

Any precipitation

Prijedor gets around 101 mm of rain over 10.5 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
232
333
433
533
634
735
835
936
1036
1136
1237
1337
1437
1537
1637
1737
1837
1937
2036
2136
2236
2335
2435
2535
2635
2735
2834
2934
3034

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 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13235303
23435292
33535272
43736261
53836251
63937241
74037221
84038211
94138201
104238190
114338180
124538170
134638160
144837150
155037140
165236120
175435110
185534110
195733100
20603190
21623080
22632980
23652870
24662770
25682660
26692560
27702550
28712450
29722440
30722440

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 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 5:20 AM to 5:56 AM, and sunset from 6:26 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:206:26
213.15:216:24
313.05:226:22
412.95:236:20
512.95:256:18
612.85:266:16
712.85:276:14
812.75:286:12
912.75:306:11
1012.65:316:09
1112.65:326:07
1212.55:336:05
1312.55:346:03
1412.45:366:01
1512.45:375:59
1612.35:385:57
1712.35:395:55
1812.25:415:53
1912.15:425:51
2012.15:435:49
2112.05:445:47
2212.05:465:45
2311.95:475:43
2411.95:485:41
2511.85:495:39
2611.85:515:37
2711.75:525:35
2811.75:535:33
2911.65:545:31
3011.65:565:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.73 kWh/m².

For context, solar energy here swings from a low near 1.15 kWh/m² to a high of 5.97 kWh/m² in July across the year — September's 3.73 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
74.1Bright
84.1Bright
94.0Bright
104.0Moderate
113.9Moderate
123.9Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.2Moderate
303.2Moderate
Planning a trip in September

Is September a good time to visit Prijedor?

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

6.7
Sightseeing
1st-best month of the year
4.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Prijedor for sightseeing.

What to pack for Prijedor in September

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

In September, Prijedor sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes and rain gear. About 11 days see rain.

light clothesrain gear

UV index in Prijedor 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 Prijedor peaks around July 14 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Prijedor 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 Prijedor is worst in March — around 47 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Prijedor's WHO annual average of 36.7 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 2246 µg/m³Dec 1130 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb37Poor
Mar47Poor
Apr46Poor
May41Poor
Jun40Poor
Jul34Moderate
Aug37Poor
Sep31Moderate
Oct31Moderate
Nov31Moderate
Dec30Moderate
Location & terrain

Where is Prijedor?

Prijedor sits at 45.0°N, 16.7°E, 140 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Banja Luka, 45 km away.

Banja LukaBosanska KrupaCazinBihaćVelika KladušaJajcePožega

Topography around Prijedor

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

Within 3 km, the terrain around Prijedor has only modest variations in elevation — a maximum elevation change of 66 m around an average of 144 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 705 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,852 m.

The land around Prijedor is covered by grassland (38%), trees (24%) and artificial surfaces (22%) within 3 km, trees (68%) and grassland (20%) within 16 km, and trees (72%) within 80 km.

3 km
66 m
16 km
705 m
80 km
1,852 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Banja Luka 45 km · Bosanska Krupa 46 km · Sisak 60 km · Cazin 61 km · Bihać 69 km · Velika Kladuša 75 km · Jajce 83 km · Požega 86 km

Bosnia and Herzegovina travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$10,382
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
86%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
13.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 591
Religion
Muslim 51%Orthodox 31%Roman Catholic 15%other 1%

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 Prijedor (44.9799°, 16.714°, elevation 140 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).