Cecina weather in September

In September, Cecina sees average daytime highs of 23°C and overnight lows near 19°C, with 82 mm of rain across 8.1 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 58% of the time in September, and the air most often feels humid.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Cecina's 4th-clearest and 8th-windiest month. For the whole year in context, see Cecina's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
19°
9th coldest
Rainfall
82 mm
8.1 wet days
Daylight
12 h 18 min
6:04 AM – 6:21 PM
Cloud cover
38%
4th clearest
Wind
12 km/h
8th windiest
Solar energy
4.5 kWh/m²
Travel score
7.4
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 21°C by the end.

A typical September day in Cecina reaches about 23°C in the afternoon and slips back to 19°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12521
22521
32421
42421
52421
62420
72420
82420
92420
102420
112420
122320
132320
142319
152319
162319
172319
182319
192319
202219
212219
222219
232218
242218
252218
262218
272218
282118
292118
302118

Cecina weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 679.70.29.22.7
Feb11° / 658.60.610.22.9
Mar13° / 587.90.111.63.9
Apr15° / 12°649013.24.9
May19° / 16°497014.56.7
Jun23° / 19°345.2015.18.0
Jul25° / 22°182.5014.98.7
Aug26° / 22°263.9013.88.3
Sep23° / 19°828.1012.37.4
Oct19° / 16°11210.4010.86.3
Nov15° / 12°12712.809.54.4
Dec12° / 9211.40.28.83.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38218
48218
58119
68020
77921
87921
97723
107723
117525
127426
137426
147228
157228
167129
177129
187030
197030
207030
216931
226931
236931
246832
256832
266832
276832
286733
296733
306634

Chance of precipitation in September

Any precipitation

Cecina gets around 82 mm of rain over 8.1 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 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
121
221
321
422
522
623
724
824
925
1026
1127
1227
1328
1428
1529
1629
1730
1830
1931
2031
2131
2231
2331
2431
2531
2631
2731
2832
2932
3032

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 29% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1616283515
2617293413
3719293411
4819303310
582031339
692131327
792131326
8102132315
9112132315
10112132314
11122132313
12132132313
13132132312
14142132312
15152132302
16162132291
17162133291
18172232271
19182232261
20192333241
21202333231
22212433211
23212533201
24222634180
25222634170
26232734160
27232834140
28232934130
29243034120
30243034110

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours 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 84 minutes over September. Sunrise moves from 5:46 AM to 6:20 AM, and sunset from 6:49 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:466:49
213.05:486:47
312.95:496:45
412.95:506:43
512.85:516:42
612.85:526:40
712.75:536:38
812.75:546:36
912.65:566:34
1012.65:576:32
1112.55:586:30
1212.55:596:29
1312.46:006:27
1412.46:016:25
1512.36:026:23
1612.36:046:21
1712.26:056:19
1812.26:066:17
1912.16:076:15
2012.16:086:13
2112.06:096:12
2212.06:106:10
2311.96:126:08
2411.96:136:06
2511.86:146:04
2611.86:156:02
2711.76:166:00
2811.76:175:58
2911.66:195:57
3011.66:205:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.5 kWh/m².

For context, solar energy here swings from a low near 1.5 kWh/m² to a high of 7.05 kWh/m² in July across the year — September's 4.5 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.1Bright
65.0Bright
75.0Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.0Bright
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.7Moderate
Planning a trip in September

Hazard calendar for Cecina

In seasonPeak

In September, Cecina sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Cecina's rainy season runs September–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Cecina?

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

7.4
Sightseeing
4th-best month of the year
5.7
Beach & pool
4th-best month of the year

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

What to pack for Cecina in September

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

In September, Cecina sees daytime highs around 23°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Cecina in September

The nearest coast averages about 23°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 14 km away) is warmest in August at about 25°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 3 to Oct 22 — about 4.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov18Cool
Dec16Cool

UV index in Cecina 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 Cecina peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 12UV 9Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr6High
May6High
Jun8Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Cecina?

Cecina sits at 43.3°N, 10.5°E, 15 m above sea level, in Italy. The nearest listed city is Rosignano Solvay-Castiglioncello, 11 km away.

Topography around Cecina

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

Within 3 km, the terrain around Cecina has only modest variations in elevation — a maximum elevation change of 54 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 672 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,305 m.

The land around Cecina is covered by grassland (31%) and cropland (20%) within 3 km, water (39%) and trees (30%) within 16 km, and water (46%) and trees (34%) within 80 km.

3 km
54 m
16 km
672 m
80 km
1,305 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Rosignano Solvay-Castiglioncello 11 km · Livorno 31 km · Pontedera 41 km · Cascina 41 km · Piombino 42 km · Pisa 46 km · Follonica 47 km · San Miniato 49 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 Cecina (43.3062°, 10.5173°, elevation 15 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).