Quartiere Otto weather in September

In September, Quartiere Otto sees average daytime highs of 24°C and overnight lows near 16°C, with 119 mm of rain across 9.5 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 22°C by the end. The sky is clear or mostly clear about 47% 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 Quartiere Otto's 3rd-clearest and 6th-windiest month. For the whole year in context, see Quartiere Otto's year-round climate.

Daytime high
24°
4th warmest
Overnight low
16°
9th coldest
Rainfall
119 mm
9.5 wet days
Daylight
12 h 18 min
6:08 AM – 6:27 PM
Cloud cover
47%
3rd clearest
Wind
6 km/h
6th windiest
Solar energy
3.97 kWh/m²
Travel score
7.0
out of 10

Quartiere Otto is neighborhood in Milan, Italy.

Density
13,008/km²
people per km²

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 22°C by the end.

A typical September day in Quartiere Otto reaches about 24°C in the afternoon and slips back to 16°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°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12718
22718
32617
42617
52617
62617
72617
82617
92516
102516
112516
122516
132516
142416
152416
162415
172415
182415
192315
202315
212315
222315
232314
242214
252214
262214
272214
282214
292114
302114

How September really feels in Quartiere Otto

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.

Quartiere Otto 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 / 596.71.48.91.2
Feb10° / 576.61.510.12.4
Mar15° / 7180.611.64.7
Apr18° / 96110.113.25.8
May23° / 14°10711.9014.76.5
Jun27° / 18°10110.3015.46.3
Jul30° / 20°769.4015.15.3
Aug29° / 20°10610.3013.95.7
Sep24° / 16°1199.5012.37.0
Oct18° / 11°12510.1010.75.7
Nov12° / 14110.70.49.33.1
Dec / 737.41.68.61.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% 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 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26931
36832
46832
56832
66832
76733
86733
96733
106634
116634
126535
136535
146436
156337
166337
176238
186238
196139
206139
216040
225941
235842
245842
255743
265644
275545
285446
295347
305248

Chance of precipitation in September

Any precipitation

Quartiere Otto gets around 119 mm of rain over 9.5 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 33% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
133
233
332
432
532
632
732
832
932
1032
1133
1233
1333
1433
1534
1634
1734
1834
1934
2033
2133
2233
2332
2432
2532
2632
2732
2833
2933
3034

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. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
126243614
227243514
328253413
430263312
531263211
631273210
732273110
83327319
93327318
103427318
113527317
123627317
133726316
143726316
153826305
163927304
174027294
184127293
194228283
204328272
214429262
224529251
234530231
244631221
254732200
264734190
274835180
284835160
294936150
305036140

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 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 5:49 AM to 6:26 AM, and sunset from 6:57 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:496:57
213.15:516:55
313.05:526:53
413.05:536:51
512.95:546:49
612.95:566:47
712.85:576:45
812.75:586:43
912.76:006:41
1012.66:016:39
1112.66:026:37
1212.56:036:35
1312.56:056:33
1412.46:066:31
1512.46:076:29
1612.36:086:27
1712.36:106:25
1812.26:116:23
1912.26:126:21
2012.16:136:19
2112.06:156:17
2212.06:166:15
2311.96:176:13
2411.96:196:11
2511.86:206:09
2611.86:216:07
2711.76:226:05
2811.76:246:03
2911.66:256:01
3011.56:265:59

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.97 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.36 kWh/m² in July across the year — September's 3.97 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.1Bright
144.0Bright
154.0Moderate
163.9Moderate
173.9Moderate
183.8Moderate
193.8Moderate
203.7Moderate
213.6Moderate
223.6Moderate
233.5Moderate
243.5Moderate
253.4Moderate
263.4Moderate
273.3Moderate
283.3Moderate
293.2Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Quartiere Otto?

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

7.0
Sightseeing
1st-best month of the year
5.8
Beach & pool
4th-best month of the year

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

What to pack for Quartiere Otto in September

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

In September, Quartiere Otto sees daytime highs around 24°C and nights near 16°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Quartiere Otto 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 Quartiere Otto 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 December 22 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 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Quartiere Otto 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 Quartiere Otto 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 Quartiere Otto?

Quartiere Otto sits at 45.5°N, 9.1°E, 128 m above sea level, in Italy. The nearest listed city is Chinatown, 3.0 km away.

Topography around Quartiere Otto

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

Within 3 km, the terrain around Quartiere Otto has only modest variations in elevation — a maximum elevation change of 62 m around an average of 131 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 151 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,535 m.

The land around Quartiere Otto is covered by artificial surfaces (62%) and trees (27%) within 3 km, artificial surfaces (41%), cropland (24%) and trees (21%) within 16 km, and cropland (38%) and trees (36%) within 80 km.

3 km
62 m
16 km
151 m
80 km
2,535 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Chinatown 3.0 km · Quarto Oggiaro 3.0 km · Brera 4.0 km · Milan 5.0 km · Novate Milanese 5.0 km · Cesano Boscone 6.0 km · Corsico 7.0 km · Bollate 7.0 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 Quartiere Otto (45.4861°, 9.1392°, elevation 128 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).