Cres weather in September

In September, Cres sees average daytime highs of 22°C and overnight lows near 17°C, with 171 mm of rain across 10 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 4th-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 49% 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 Cres's 4th-clearest and 7th-windiest month. For the whole year in context, see Cres's year-round climate.

Daytime high
22°
4th warmest
Overnight low
17°
9th coldest
Rainfall
171 mm
10 wet days
Daylight
12 h 18 min
5:47 AM – 6:06 PM
Cloud cover
44%
4th clearest
Wind
12 km/h
7th windiest
Solar energy
4.05 kWh/m²
Travel score
6.8
out of 10

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 Cres reaches about 22°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, September runs about 4°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12419
22419
32419
42419
52319
62319
72319
82318
92318
102318
112218
122218
132218
142218
152217
162217
172217
182117
192117
202117
212117
222116
232116
242016
252016
262016
272016
282016
292016
302016

Cres weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 13312.41.191.4
Feb / 130111.610.11.7
Mar12° / 11210.60.711.63.0
Apr15° / 11°9810.60.113.24.5
May19° / 15°1009.8014.66.3
Jun23° / 19°646.9015.37.6
Jul26° / 21°535.4015.17.9
Aug26° / 21°766.3013.97.8
Sep22° / 17°17110012.36.8
Oct18° / 14°18612.7010.75.5
Nov13° / 10°22714.30.29.43.4
Dec10° / 17713.118.61.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
36931
46931
57030
66931
76931
86832
96832
106832
116832
126733
136733
146634
156535
166535
176436
186436
196337
206337
216238
226238
236238
246238
256139
266139
276139
286040
296040
305941

Chance of precipitation in September

Any precipitation

Cres gets around 171 mm of rain over 10 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 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
126
226
327
428
529
629
730
831
932
1033
1134
1235
1335
1436
1536
1636
1737
1837
1937
2037
2137
2237
2337
2438
2538
2639
2739
2840
2941
3041

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
116243722
217253721
318253719
419263717
520273715
621273714
722283713
823283712
924283711
1025283710
112628369
122728369
132928368
143027357
153227357
163327346
173527336
183627325
193827315
203927304
214127294
224227283
234327273
244328272
254428262
264429251
274530251
284530241
294531231
304631231

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

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 5:29 AM to 6:05 AM, and sunset from 6:35 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:296:35
213.15:306:33
313.05:316:31
412.95:336:29
512.95:346:28
612.85:356:26
712.85:366:24
812.75:386:22
912.75:396:20
1012.65:406:18
1112.65:416:16
1212.55:426:14
1312.55:446:12
1412.45:456:10
1512.45:466:08
1612.35:476:06
1712.35:496:04
1812.25:506:02
1912.15:516:00
2012.15:525:58
2112.05:545:56
2212.05:555:54
2311.95:565:52
2411.95:575:50
2511.85:595:48
2611.86:005:46
2711.76:015:44
2811.76:025:42
2911.66:045:40
3011.66:055:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.05 kWh/m².

For context, solar energy here swings from a low near 1.2 kWh/m² to a high of 6.5 kWh/m² in July across the year — September's 4.05 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.2Bright
134.1Bright
144.1Bright
154.0Bright
164.0Moderate
173.9Moderate
183.9Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.7Moderate
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 Cres?

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

6.8
Sightseeing
4th-best month of the year
4.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Cres for sightseeing.

What to pack for Cres in September

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

In September, Cres sees daytime highs around 22°C and nights near 17°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Cres in September

The nearest coast averages about 21°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 24°C and coldest in February near 11°C.

It's comfortable for a long swim from Jun 8 to Oct 3 — about 3.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar11Bracing
Apr13Bracing
May17Cool
Jun21Refreshing
Jul24Refreshing
Aug24Warm
Sep21Refreshing
Oct19Cool
Nov16Cool
Dec14Bracing

UV index in Cres 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 Cres peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highModerateLowJul 17UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Cres?

Cres sits at 45.0°N, 14.4°E, 0 m above sea level, in Croatia. The nearest listed city is Rijeka, 41 km away.

RijekaPulaRovinjKoperDivačaPiranTriestePostojna

Topography around Cres

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

Within 3 km, the terrain around Cres has significant variations in elevation — a maximum elevation change of 351 m around an average of 128 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 639 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,766 m.

The land around Cres is covered by trees (64%) and water (23%) within 3 km, water (66%) and trees (26%) within 16 km, and trees (47%) and water (43%) within 80 km.

3 km
351 m
16 km
639 m
80 km
1,766 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Rijeka 41 km · Pula 46 km · Rovinj 63 km · Koper 84 km · Divača 88 km · Piran 91 km · Trieste 91 km · Postojna 92 km

Croatia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 53% of US
price level, 2025
GDP per capita
$27,104
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
87%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
7.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 617
Religion
Roman Catholic 79%other Christian 5%none or atheist 5%Orthodox 3%

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 Cres (44.9609°, 14.4125°, elevation 0 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).