Cazin weather in September

In September, Cazin sees average daytime highs of 22°C and overnight lows near 11°C, with 115 mm of rain across 11.3 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 24°C in the first days to 20°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 Cazin's 4th-clearest and 9th-windiest month. For the whole year in context, see Cazin's year-round climate.

Daytime high
22°
4th warmest
Overnight low
11°
9th coldest
Rainfall
115 mm
11.3 wet days
Daylight
12 h 18 min
5:41 AM – 6:00 PM
Cloud cover
55%
4th clearest
Wind
6 km/h
9th windiest
Solar energy
3.72 kWh/m²
Travel score
6.4
out of 10

Cazin is city in Bosnia and Herzegovina.

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 20°C by the end.

A typical September day in Cazin 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 16°C and 27°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)
12413
22413
32413
42413
52413
62312
72312
82312
92312
102312
112212
122212
132211
142211
152211
162211
172111
182111
192111
202111
212110
222110
232110
242010
252010
262010
272010
282010
29209
30209

How September really feels in Cazin

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.

Cazin 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°7710.26.990.0
Feb / -2°8110.66.510.10.8
Mar12° / 8311.54.611.63.0
Apr16° / 9912.91.213.24.8
May21° / 10°12314.40.114.65.8
Jun25° / 14°9712.6015.36.5
Jul27° / 15°8510.9015.16.6
Aug27° / 15°8510013.96.8
Sep22° / 11°11511.3012.36.4
Oct17° / 9410.20.610.75.2
Nov11° / 10711.53.19.42.5
Dec / -1°94126.48.60.2

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 17% of September, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35644
45644
55545
65545
75446
85446
95347
105347
115347
125347
135347
145347
155347
165347
175347
185248
195248
205347
215347
225248
235248
245248
255347
265347
275248
285248
295149
305149

Chance of precipitation in September

Any precipitation

Cazin gets around 115 mm of rain over 11.3 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
338
438
538
639
739
839
940
1040
1140
1240
1340
1440
1539
1639
1739
1838
1938
2038
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 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13736252
23836242
34036231
44137221
54237201
64238191
74339180
84439170
94440160
104540150
114640140
124740130
134840120
145040100
15523990
16543880
17553780
18573670
19603460
20623260
21643150
22662950
23672850
24702640
25712540
26722440
27732430
28742330
29742330
30752230

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 5:23 AM to 5:59 AM, and sunset from 6:29 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:236:29
213.15:246:27
313.05:256:25
412.95:276:23
512.95:286:21
612.85:296:19
712.85:306:18
812.75:316:16
912.75:336:14
1012.65:346:12
1112.65:356:10
1212.55:366:08
1312.55:386:06
1412.45:396:04
1512.45:406:02
1612.35:416:00
1712.35:435:58
1812.25:445:56
1912.15:455:54
2012.15:465:52
2112.05:475:50
2212.05:495:48
2311.95:505:46
2411.95:515:44
2511.85:525:42
2611.85:545:40
2711.75:555:38
2811.75:565:36
2911.65:585:34
3011.65:595:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.72 kWh/m².

For context, solar energy here swings from a low near 1.11 kWh/m² to a high of 6.07 kWh/m² in July across the year — September's 3.72 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
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
153.7Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Cazin?

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

6.4
Sightseeing
4th-best month of the year
4.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Cazin for sightseeing.

What to pack for Cazin in September

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

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

rain gear

UV index in Cazin 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 Cazin peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highModerateLowJul 14UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7Very high
May6High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Cazin 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 Cazin is worst in March — around 17 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (September, 11 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2117 µg/m³Sep 2011 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar17Moderate
Apr16Moderate
May14Moderate
Jun14Moderate
Jul12Good
Aug12Moderate
Sep11Good
Oct11Good
Nov11Good
Dec11Good
Location & terrain

Where is Cazin?

Cazin sits at 45.0°N, 15.9°E, 325 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Bihać, 18 km away.

BihaćBosanska KrupaVelika KladušaPrijedor

Topography around Cazin

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

Within 3 km, the terrain around Cazin has only modest variations in elevation — a maximum elevation change of 236 m around an average of 392 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 731 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,936 m.

The land around Cazin is covered by trees (48%) and grassland (36%) within 3 km, trees (53%) and grassland (39%) within 16 km, and trees (76%) within 80 km.

3 km
236 m
16 km
731 m
80 km
1,936 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Bihać 18 km · Bosanska Krupa 19 km · Velika Kladuša 27 km · Prijedor 61 km · Sisak 65 km · Karlovac 66 km · Velika Gorica 84 km · Centar 94 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 Cazin (44.9669°, 15.9431°, elevation 325 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).