San Cataldo weather in September

In September, San Cataldo sees average daytime highs of 26°C and overnight lows near 16°C, with 37 mm of rain across 5.8 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 61% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is San Cataldo's 4th-clearest and 11th-windiest month. For the whole year in context, see San Cataldo's year-round climate.

Daytime high
26°
4th warmest
Overnight low
16°
10th coldest
Rainfall
37 mm
5.8 wet days
Daylight
12 h 12 min
5:51 AM – 6:05 PM
Cloud cover
36%
4th clearest
Wind
8 km/h
11th windiest
Solar energy
5.05 kWh/m²
Travel score
7.6
out of 10

San Cataldo is chief town of the homonym municipality.

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 28°C in the first days to 25°C by the end.

A typical September day in San Cataldo reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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°35°151015202530
Avg high (°C)Avg low (°C)
12918
22918
32817
42817
52817
62817
72817
82817
92717
102717
112716
122716
132716
142716
152716
162616
172616
182616
192616
202615
212615
222615
232515
242515
252515
262515
272515
282515
292514
302414

San Cataldo weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 5389.73.5
Feb13° / 538.110.63.6
Mar15° / 498.611.74.7
Apr18° / 478.312.96.1
May23° / 12°254.6147.9
Jun27° / 16°173.314.57.7
Jul30° / 18°5114.36.6
Aug30° / 19°112.413.46.3
Sep26° / 16°375.812.37.6
Oct22° / 13°627.4117.4
Nov17° / 568.1105.9
Dec13° / 517.99.54.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% 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 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28812
38812
48614
58614
68515
78416
88317
98317
108218
118218
128119
138119
148020
157921
167822
177822
187822
197624
207624
217624
227525
237525
247426
257426
267327
277228
287228
297228
307129

Chance of precipitation in September

Any precipitation

San Cataldo gets around 37 mm of rain over 5.8 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 19% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
111
212
313
413
514
615
715
816
917
1017
1118
1218
1319
1419
1520
1620
1721
1821
1921
2022
2122
2222
2322
2422
2522
2622
2722
2822
2922
3022

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11938386
21938376
31939376
41939376
51840375
61840365
71841365
81841355
91942355
101942345
112042344
122042334
132142334
142242334
152242324
162342313
172442313
182542303
192642293
202842283
212941272
223041262
233241252
243341242
253441232
263541221
273642211
283742201
293842191
303943181

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.

0246810151015202530
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 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 5:38 AM to 6:04 AM, and sunset from 6:29 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:386:29
212.85:396:28
312.85:406:26
412.75:416:25
512.75:426:23
612.65:436:21
712.65:446:20
812.65:446:18
912.55:456:17
1012.55:466:15
1112.45:476:14
1212.45:486:12
1312.45:496:10
1412.35:506:09
1512.35:506:07
1612.25:516:05
1712.25:526:04
1812.25:536:02
1912.15:546:01
2012.15:555:59
2112.05:565:57
2212.05:565:56
2311.95:575:54
2411.95:585:53
2511.95:595:51
2611.86:005:49
2711.86:015:48
2811.76:025:46
2911.76:035:45
3011.76:045:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.05 kWh/m².

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 7.6 kWh/m² in July across the year — September's 5.05 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.7Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.4Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
Planning a trip in September

Is September a good time to visit San Cataldo?

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

7.6
Sightseeing
3rd-best month of the year
7.5
Beach & pool
4th-best month of the year

September is one of the better times to visit San Cataldo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Cataldo in September

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

In September, San Cataldo sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near San Cataldo in September

The nearest coast averages about 24°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 41 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 5 to Nov 12 — about 5.3 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug26Warm
Sep24Warm
Oct22Refreshing
Nov20Cool
Dec17Cool

UV index in San Cataldo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Cataldo peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighModerateHighVery highVery highHighModerateJul 15UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr5Moderate
May5High
Jun9Very high
Jul10Extreme
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Low

Air quality in San Cataldo 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 San Cataldo is worst in April — around 17 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 11 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1717 µg/m³Dec 1411 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar16Moderate
Apr17Moderate
May16Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is San Cataldo?

San Cataldo sits at 37.5°N, 14.0°E, 625 m above sea level, in Italy. The nearest listed city is Caltanissetta, 7.0 km away.

Topography around San Cataldo

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

Within 3 km, the terrain around San Cataldo has significant variations in elevation — a maximum elevation change of 368 m around an average of 555 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 765 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,958 m.

The land around San Cataldo is covered by grassland (45%) and trees (28%) within 3 km, cropland (45%) and grassland (37%) within 16 km, and grassland (34%), water (28%) and cropland (22%) within 80 km.

3 km
368 m
16 km
765 m
80 km
1,958 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Caltanissetta 7.0 km · Canicattì 19 km · Enna 27 km · Favara 34 km · Piazza Armerina 36 km · Palma di Montechiaro 38 km · Agrigento 41 km · Licata 43 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%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 San Cataldo (37.4841°, 13.9854°, elevation 625 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. 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).