Trecate weather in September

In September, Trecate sees average daytime highs of 24°C and overnight lows near 15°C, with 134 mm of rain across 9.9 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 26°C in the first days to 21°C by the end. The sky is clear or mostly clear about 43% 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 Trecate's 3rd-clearest and 4th-windiest month. For the whole year in context, see Trecate's year-round climate.

Daytime high
24°
4th warmest
Overnight low
15°
9th coldest
Rainfall
134 mm
9.9 wet days
Daylight
12 h 18 min
6:10 AM – 6:29 PM
Cloud cover
49%
3rd clearest
Wind
6 km/h
4th windiest
Solar energy
3.93 kWh/m²
Travel score
6.9
out of 10

Trecate 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 26°C in the first days to 21°C by the end.

A typical September day in Trecate reaches about 24°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°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)
12617
22617
32617
42617
52617
62517
72516
82516
92516
102516
112516
122416
132416
142415
152415
162415
172315
182315
192315
202315
212314
222214
232214
242214
252214
262214
272114
282114
292113
302113

How September really feels in Trecate

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.

Trecate 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 / 636.51.78.91.1
Feb10° / 656.51.510.12.3
Mar14° / 797.90.711.64.6
Apr18° / 11311.2013.25.7
May23° / 14°12612.4014.76.4
Jun27° / 17°11511.1015.46.4
Jul29° / 20°839.1015.15.7
Aug28° / 19°11310.8013.95.9
Sep24° / 15°1349.9012.36.9
Oct18° / 11°14010.2010.75.5
Nov12° / 16310.20.49.33.0
Dec / 7471.88.61.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26535
36535
46535
56535
66535
76436
86436
96436
106436
116238
126238
136238
146139
156139
165941
175941
185842
195842
205743
215644
225545
235446
245347
255446
265347
275248
285149
295149
305050

Chance of precipitation in September

Any precipitation

Trecate gets around 134 mm of rain over 9.9 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
233
333
433
533
632
732
832
933
1033
1133
1233
1333
1434
1534
1634
1734
1835
1935
2035
2135
2234
2334
2434
2534
2634
2735
2835
2936
3036

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 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
127233415
229243314
330243313
432253212
533263111
633263110
73427309
83527308
93627307
103627307
113727306
123827305
133927305
143927294
154027294
164127284
174228273
184328273
194428262
204429252
214530232
224631221
234632211
244733191
254834180
264935160
274936150
285036140
295137120
305237110

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 5:51 AM to 6:28 AM, and sunset from 6:58 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:516:58
213.15:526:56
313.05:546:55
413.05:556:53
512.95:566:51
612.95:576:49
712.85:596:47
812.76:006:45
912.76:016:43
1012.66:026:41
1112.66:046:39
1212.56:056:37
1312.56:066:35
1412.46:076:33
1512.46:096:31
1612.36:106:29
1712.36:116:27
1812.26:126:25
1912.26:146:23
2012.16:156:21
2112.06:166:19
2212.06:186:17
2311.96:196:15
2411.96:206:13
2511.86:216:11
2611.86:236:09
2711.76:246:07
2811.76:256:05
2911.66:276:03
3011.66:286:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.93 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.35 kWh/m² in July across the year — September's 3.93 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.2Bright
124.1Bright
134.1Bright
144.0Bright
154.0Moderate
163.9Moderate
173.8Moderate
183.8Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.5Moderate
233.5Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.3Moderate
283.2Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Trecate?

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

6.9
Sightseeing
1st-best month of the year
5.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Trecate for sightseeing.

What to pack for Trecate in September

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

In September, Trecate sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Trecate 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 Trecate 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 1 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 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Trecate 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 Trecate is worst in March — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2221 µg/m³Nov 1414 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar21Moderate
Apr20Moderate
May17Moderate
Jun20Moderate
Jul17Moderate
Aug15Moderate
Sep14Moderate
Oct14Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Trecate?

Trecate sits at 45.4°N, 8.7°E, 136 m above sea level, in Italy. The nearest listed city is Galliate, 6.0 km away.

Topography around Trecate

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

Within 3 km, the terrain around Trecate has only modest variations in elevation — a maximum elevation change of 21 m around an average of 136 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 142 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,146 m.

The land around Trecate is covered by cropland (75%) within 3 km, cropland (58%) within 16 km, and trees (39%) and cropland (35%) within 80 km.

3 km
21 m
16 km
142 m
80 km
3,146 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Galliate 6.0 km · Novara 9.0 km · Magenta 12 km · Abbiategrasso 15 km · Vigevano 16 km · Bareggio 21 km · Parabiago 22 km · Busto Arsizio 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 Trecate (45.434°, 8.7364°, elevation 136 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).