Borgomanero weather in September

In September, Borgomanero sees average daytime highs of 21°C and overnight lows near 14°C, with 188 mm of rain across 12 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 38% 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 Borgomanero's 5th-clearest and 7th-windiest month. For the whole year in context, see Borgomanero's year-round climate.

Daytime high
21°
4th warmest
Overnight low
14°
9th coldest
Rainfall
188 mm
12 wet days
Daylight
12 h 18 min
6:11 AM – 6:30 PM
Cloud cover
53%
5th clearest
Wind
4 km/h
7th windiest
Solar energy
3.84 kWh/m²
Travel score
6.3
out of 10

Borgomanero is chief town of the homonym municipality.

Air quality
Moderate
PM2.5 14.9 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 24°C in the first days to 19°C by the end.

A typical September day in Borgomanero reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°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)
12416
22416
32416
42316
52315
62315
72315
82315
92215
102215
112215
122215
132214
142214
152114
162114
172114
182114
192114
202014
212013
222013
232013
242013
252013
261913
271913
281913
291912
301912

Borgomanero weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 758.23.88.90.8
Feb / 748.63.310.11.5
Mar13° / 102101.811.63.6
Apr16° / 15413.30.413.34.7
May20° / 12°18115.8014.75.6
Jun24° / 16°15713.5015.46.3
Jul27° / 18°11511.2015.16.6
Aug26° / 18°14112.1013.96.6
Sep21° / 14°18812012.36.3
Oct16° / 10°21013.10.110.74.6
Nov11° / 20811.519.32.4
Dec / 858.438.61.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26436
36436
46436
56337
66238
76238
86238
96238
106139
116139
126040
135941
145842
155842
165644
175644
185446
195446
205248
215149
225149
235050
244951
254852
264753
274753
284654
294555
304456

Chance of precipitation in September

Any precipitation

Borgomanero gets around 188 mm of rain over 12 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 41% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
138
238
338
438
538
638
738
838
938
1038
1139
1239
1340
1441
1541
1642
1742
1842
1943
2043
2143
2243
2343
2443
2543
2644
2744
2844
2945
3045

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13330343
23431322
33632302
43733292
53833271
63934261
74035241
84135231
94235221
104335210
114435200
124535200
134635190
144734180
154834180
165034170
175133160
185233150
195333140
205433130
215732110
225832100
23593290
24603280
25613270
26633160
27643150
28643150
29653140
30673030

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 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
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:52 AM to 6:29 AM, and sunset from 7:00 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:527:00
213.15:536:58
313.05:546:56
413.05:566:54
512.95:576:52
612.95:586:50
712.86:006:48
812.86:016:46
912.76:026:44
1012.66:036:42
1112.66:056:40
1212.56:066:38
1312.56:076:36
1412.46:086:34
1512.46:106:32
1612.36:116:30
1712.36:126:28
1812.26:146:26
1912.26:156:24
2012.16:166:22
2112.06:176:20
2212.06:196:18
2311.96:206:16
2411.96:216:14
2511.86:236:12
2611.86:246:10
2711.76:256:08
2811.76:266:06
2911.66:286:04
3011.56:296:02

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 1.22 kWh/m² to a high of 6.18 kWh/m² in July across the year — September's 3.84 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.4Bright
64.4Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.1Bright
124.0Bright
134.0Moderate
143.9Moderate
153.9Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.3Moderate
253.3Moderate
263.2Moderate
273.2Moderate
283.1Moderate
293.1Moderate
303.0Moderate
Planning a trip in September

Is September a good time to visit Borgomanero?

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

6.3
Sightseeing
3rd-best month of the year
4.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Borgomanero for sightseeing.

What to pack for Borgomanero in September

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

In September, Borgomanero sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Borgomanero 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 Borgomanero peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Borgomanero 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 Borgomanero is worst in March — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Borgomanero's WHO annual average of 14.9 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2118 µg/m³Nov 1312 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar18Moderate
Apr18Moderate
May15Moderate
Jun17Moderate
Jul15Moderate
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov12Moderate
Dec13Moderate
Location & terrain

Where is Borgomanero?

Borgomanero sits at 45.7°N, 8.5°E, 307 m above sea level, in Italy. The nearest listed city is Verbania, 26 km away.

Topography around Borgomanero

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

Within 3 km, the terrain around Borgomanero has only modest variations in elevation — a maximum elevation change of 162 m around an average of 328 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,002 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,456 m.

The land around Borgomanero is covered by trees (52%), grassland (21%) and artificial surfaces (21%) within 3 km, trees (67%) within 16 km, and trees (44%) and cropland (22%) within 80 km.

3 km
162 m
16 km
1,002 m
80 km
4,456 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
September weather nearby: Verbania 26 km · Gallarate 26 km · Pallanza-Intra-Suna 28 km · Cassano Magnago 28 km · Galliate 31 km · Novara 31 km · Varese 31 km · Busto Arsizio 32 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 Borgomanero (45.6987°, 8.4623°, elevation 307 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).