Castelfranco Emilia weather in September

In September, Castelfranco Emilia sees average daytime highs of 24°C and overnight lows near 15°C, with 82 mm of rain across 9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 22°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 Castelfranco Emilia's 3rd-clearest and 6th-windiest month. For the whole year in context, see Castelfranco Emilia's year-round climate.

Daytime high
24°
4th warmest
Overnight low
15°
9th coldest
Rainfall
82 mm
9 wet days
Daylight
12 h 18 min
6:01 AM – 6:19 PM
Cloud cover
44%
3rd clearest
Wind
6 km/h
6th windiest
Solar energy
4.21 kWh/m²
Travel score
7.1
out of 10

Castelfranco Emilia 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 27°C in the first days to 22°C by the end.

A typical September day in Castelfranco Emilia reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12717
22717
32717
42616
52616
62616
72616
82616
92516
102516
112515
122515
132515
142415
152415
162415
172415
182415
192414
202314
212314
222314
232314
242314
252214
262213
272213
282213
292213
302213

How September really feels in Castelfranco Emilia

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.

Castelfranco Emilia weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 547.83.191.1
Feb / 718.12.910.12.1
Mar14° / 728.71.611.64.2
Apr18° / 8811.50.313.25.5
May22° / 13°9010.8014.66.7
Jun27° / 17°698.6015.36.8
Jul30° / 19°527.10155.8
Aug29° / 19°618.5013.96.0
Sep24° / 15°829012.37.1
Oct18° / 11°9210.20.110.75.9
Nov12° / 10410.81.29.43.2
Dec / 779.12.38.71.4

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 19% of September, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27426
37525
47426
57426
67426
77426
87327
97228
107228
117129
127030
137030
146832
156832
166634
176634
186535
196535
206436
216436
226436
236337
246337
256238
266238
276139
286040
296040
305941

Chance of precipitation in September

Any precipitation

Castelfranco Emilia gets around 82 mm of rain over 9 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 31% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
131
231
331
431
530
630
730
830
931
1031
1131
1231
1331
1431
1531
1631
1731
1831
1931
2031
2131
2230
2330
2430
2530
2630
2730
2830
2931
3031

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 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
122313610
22432359
32533348
42633347
52734336
62834335
72935324
83035323
93135313
103235312
113335302
123435302
133534292
143634292
153733282
163933272
174032261
184232251
194431241
204531231
214731221
224830211
234930191
245130181
255131171
265231161
275431150
285432140
295532130
305632120

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 5:43 AM to 6:18 AM, and sunset from 6:48 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:436:48
213.05:446:46
313.05:456:44
412.95:466:43
512.95:486:41
612.85:496:39
712.85:506:37
812.75:516:35
912.75:536:33
1012.65:546:31
1112.65:556:29
1212.55:566:27
1312.55:576:25
1412.45:596:23
1512.46:006:21
1612.36:016:19
1712.36:026:17
1812.26:036:15
1912.16:056:13
2012.16:066:11
2112.06:076:09
2212.06:086:08
2311.96:106:06
2411.96:116:04
2511.86:126:02
2611.86:136:00
2711.76:145:58
2811.76:165:56
2911.66:175:54
3011.66:185:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.21 kWh/m².

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 6.69 kWh/m² in July across the year — September's 4.21 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.6Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.2Bright
164.2Bright
174.1Bright
184.0Bright
194.0Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Castelfranco Emilia?

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

7.1
Sightseeing
1st-best month of the year
6.0
Beach & pool
4th-best month of the year

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

What to pack for Castelfranco Emilia in September

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

In September, Castelfranco Emilia sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Castelfranco Emilia 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 Castelfranco Emilia peaks around July 13 at about 8 (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 highHighModerateLowJul 13UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Castelfranco Emilia 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 Castelfranco Emilia is worst in March — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1919 µg/m³Sep 1213 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar19Moderate
Apr18Moderate
May16Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct15Moderate
Nov14Moderate
Dec16Moderate
Location & terrain

Where is Castelfranco Emilia?

Castelfranco Emilia sits at 44.6°N, 11.0°E, 42 m above sea level, in Italy. The nearest listed city is Modena, 11 km away.

Topography around Castelfranco Emilia

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

Within 3 km, the terrain around Castelfranco Emilia has only modest variations in elevation — a maximum elevation change of 23 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 336 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,112 m.

The land around Castelfranco Emilia is covered by cropland (42%) and grassland (26%) within 3 km, cropland (45%) and grassland (24%) within 16 km, and cropland (40%) and trees (36%) within 80 km.

3 km
23 m
16 km
336 m
80 km
2,112 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Modena 11 km · San Giovanni in Persiceto 12 km · Vignola 13 km · Formigine 16 km · Zola Predosa 18 km · Fiorano 20 km · Sassuolo 22 km · Casalecchio di Reno 22 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 Castelfranco Emilia (44.5945°, 11.0498°, elevation 42 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).