Bassano del Grappa weather in September

In September, Bassano del Grappa sees average daytime highs of 21°C and overnight lows near 13°C, with 136 mm of rain across 13.4 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 23°C in the first days to 19°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 30 min by month's end. Set against the rest of the year, September is Bassano del Grappa's 4th-clearest and 6th-windiest month. For the whole year in context, see Bassano del Grappa's year-round climate.

Daytime high
21°
4th warmest
Overnight low
13°
9th coldest
Rainfall
136 mm
13.4 wet days
Daylight
12 h 18 min
5:58 AM – 6:17 PM
Cloud cover
54%
4th clearest
Wind
5 km/h
6th windiest
Solar energy
3.84 kWh/m²
Travel score
6.1
out of 10

Bassano del Grappa is chief town of the homonym municipality.

Air quality
Elevated
PM2.5 16.1 µg/m³ · 2019

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 23°C in the first days to 19°C by the end.

A typical September day in Bassano del Grappa reaches about 21°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12415
22415
32314
42314
52314
62314
72314
82314
92214
102213
112213
122213
132213
142213
152113
162113
172113
182112
192112
202112
212012
222012
232012
242012
252012
262011
271911
281911
291911
301911

How September really feels in Bassano del Grappa

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.

Bassano del Grappa 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 / -1°586.73.58.90.4
Feb / -0°627.24.310.11.2
Mar12° / 8710.13.311.63.1
Apr16° / 124161.613.34.1
May20° / 11°15218.40.214.75.1
Jun24° / 15°13818.9015.45.5
Jul26° / 17°12418.6015.25.6
Aug26° / 17°12316.8013.95.9
Sep21° / 13°13613.4012.36.1
Oct16° / 13510.50.310.75.0
Nov11° / 15010.21.39.32.5
Dec / -1°867.538.50.7

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 21% of September, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16238
26238
36337
46337
56238
66238
76238
86238
96238
106238
116139
126139
136040
146040
155941
165842
175743
185644
195545
205446
215446
225347
235248
245149
255050
265050
274852
284753
294753
304753

Chance of precipitation in September

Any precipitation

Bassano del Grappa gets around 136 mm of rain over 13.4 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 45% and peaks near 54% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
154
253
352
452
551
650
749
849
948
1047
1147
1246
1345
1445
1544
1644
1744
1844
1943
2043
2143
2242
2342
2441
2541
2641
2741
2841
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 49% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12734345
22934324
33135304
43336283
53536263
63637252
73738232
83938222
94038212
104138191
114238181
124338171
134438161
144638151
154738141
164937140
175037130
185236120
195435110
205634100
21573490
22583390
23603280
24623170
25633160
26643060
27653050
28662950
29682840
30682840

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over September. Sunrise moves from 5:39 AM to 6:16 AM, and sunset from 6:47 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:396:47
213.15:406:45
313.05:416:43
413.05:436:41
512.95:446:39
612.95:456:37
712.85:466:35
812.85:486:33
912.75:496:31
1012.65:506:29
1112.65:516:27
1212.55:536:25
1312.55:546:23
1412.45:556:21
1512.45:576:19
1612.35:586:17
1712.35:596:15
1812.26:006:13
1912.26:026:11
2012.16:036:09
2112.06:046:07
2212.06:066:05
2311.96:076:03
2411.96:086:01
2511.86:105:59
2611.86:115:57
2711.76:125:55
2811.76:135:53
2911.66:155:51
3011.56:165:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.84 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 5.99 kWh/m² in July across the year — September's 3.84 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.1Bright
114.0Bright
124.0Moderate
133.9Moderate
143.9Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Bassano del Grappa?

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

6.1
Sightseeing
1st-best month of the year
3.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Bassano del Grappa for sightseeing.

What to pack for Bassano del Grappa in September

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

In September, Bassano del Grappa sees daytime highs around 21°C and nights near 13°C. Pack rain gear. About 13 days see rain.

rain gear

Sea temperature near Bassano del Grappa 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 67 km away) is warmest in August at about 26°C and coldest in February near 9°C.

It's comfortable for a long swim from May 28 to Oct 7 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar10Bracing
Apr14Bracing
May18Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Bassano del Grappa 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 Bassano del Grappa peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May7High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Bassano del Grappa 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 Bassano del Grappa is worst in January — around 20 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (September, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Bassano del Grappa's WHO annual average of 16.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1720 µg/m³Sep 1412 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar20Moderate
Apr18Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug13Moderate
Sep12Moderate
Oct14Moderate
Nov14Moderate
Dec17Moderate
Location & terrain

Where is Bassano del Grappa?

Bassano del Grappa sits at 45.8°N, 11.7°E, 129 m above sea level, in Italy. The nearest listed city is Castelfranco Veneto, 19 km away.

Topography around Bassano del Grappa

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

Within 3 km, the terrain around Bassano del Grappa has significant variations in elevation — a maximum elevation change of 320 m around an average of 134 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,739 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,263 m.

The land around Bassano del Grappa is covered by artificial surfaces (39%), grassland (26%) and trees (24%) within 3 km, trees (40%) and grassland (28%) within 16 km, and trees (41%), cropland (23%) and grassland (22%) within 80 km.

3 km
320 m
16 km
1,739 m
80 km
3,263 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Castelfranco Veneto 19 km · Thiene 20 km · Montebelluna 25 km · Vicenza 28 km · Schio 29 km · Valdagno 36 km · Montecchio Maggiore-Alte Ceccato 38 km · Arcella 40 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 Bassano del Grappa (45.7666°, 11.7274°, elevation 129 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).