Monopoli weather in September

In September, Monopoli sees average daytime highs of 25°C and overnight lows near 20°C, with 54 mm of rain across 7.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 60% of the time in September, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Monopoli's 4th-clearest and 10th-windiest month. For the whole year in context, see Monopoli's year-round climate.

Daytime high
25°
4th warmest
Overnight low
20°
9th coldest
Rainfall
54 mm
7.5 wet days
Daylight
12 h 18 min
5:37 AM – 5:53 PM
Cloud cover
37%
4th clearest
Wind
14 km/h
10th windiest
Solar energy
4.79 kWh/m²
Travel score
7.6
out of 10

Monopoli is chief town of the homonym municipality.

Air quality
Moderate
PM2.5 11.2 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 26°C in the first days to 23°C by the end.

A typical September day in Monopoli reaches about 25°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12722
22722
32621
42621
52621
62621
72621
82621
92621
102520
112520
122520
132520
142520
152520
162520
172520
182420
192419
202419
212419
222419
232419
242419
252319
262319
272318
282318
292318
302318

Monopoli weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 588.99.43.3
Feb12° / 589.410.43.4
Mar14° / 10°548.711.74.5
Apr17° / 12°498.513.15.8
May21° / 16°31614.37.4
Jun25° / 20°234.514.98.3
Jul28° / 23°18314.68.1
Aug28° / 23°183.513.67.5
Sep25° / 20°547.512.37.6
Oct21° / 16°658.110.97.0
Nov17° / 13°728.89.75.5
Dec13° / 619.69.13.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28317
38218
48218
58020
68020
77921
87921
97822
107822
117723
127723
137525
147525
157426
167426
177327
187327
197327
207228
217228
227228
237129
247129
257129
267030
277030
287030
296832
306832

Chance of precipitation in September

Any precipitation

Monopoli gets around 54 mm of rain over 7.5 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
121
222
323
423
524
624
724
825
925
1025
1125
1225
1325
1425
1525
1625
1725
1825
1925
2025
2126
2226
2326
2426
2526
2626
2726
2827
2927
3027

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
151029488
251129477
361130476
471230465
571331464
671331454
781431443
881432443
981432432
1081532432
1181632421
1281632421
1391733411
1491833401
1591833391
1691934371
1792034361
18102134340
19102235320
20112335310
21112435290
22122535270
23132636260
24132636240
25142637230
26152737210
27152738200
28162739180
29162739170
30172739160

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours 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 84 minutes over September. Sunrise moves from 5:22 AM to 5:52 AM, and sunset from 6:19 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:226:19
212.95:236:18
312.95:246:16
412.85:256:14
512.85:266:12
612.75:276:11
712.75:286:09
812.65:296:07
912.65:306:06
1012.55:316:04
1112.55:326:02
1212.55:336:00
1312.45:345:58
1412.45:355:57
1512.35:365:55
1612.35:375:53
1712.25:385:51
1812.25:395:50
1912.15:405:48
2012.15:415:46
2112.05:425:44
2212.05:435:43
2311.95:445:41
2411.95:455:39
2511.85:465:37
2611.85:475:36
2711.85:485:34
2811.75:505:32
2911.75:515:30
3011.65:525:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.79 kWh/m².

For context, solar energy here swings from a low near 1.74 kWh/m² to a high of 7.31 kWh/m² in June across the year — September's 4.79 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.5Bright
35.5Bright
45.4Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
Planning a trip in September

Is September a good time to visit Monopoli?

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

7.6
Sightseeing
3rd-best month of the year
6.7
Beach & pool
4th-best month of the year

September is one of the better times to visit Monopoli for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Monopoli in September

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

In September, Monopoli sees daytime highs around 25°C and nights near 20°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Monopoli in September

The nearest coast averages about 24°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 1 to Oct 19 — about 4.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct20Refreshing
Nov17Cool
Dec15Bracing

UV index in Monopoli in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monopoli peaks around July 17 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 17UV 10Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun9Very high
Jul10Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Monopoli 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 Monopoli is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Monopoli's WHO annual average of 11.2 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1015 µg/m³Dec 198 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb14Moderate
Mar15Moderate
Apr15Moderate
May12Moderate
Jun12Good
Jul10Good
Aug11Good
Sep9Good
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Monopoli?

Monopoli sits at 40.9°N, 17.3°E, 9 m above sea level, in Italy. The nearest listed city is Fasano, 14 km away.

Topography around Monopoli

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

Within 3 km, the terrain around Monopoli has only modest variations in elevation — a maximum elevation change of 81 m around an average of 24 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 415 m; within 80 km, large variations in elevation — a maximum elevation change of 671 m.

The land around Monopoli is covered by water (37%) and artificial surfaces (20%) within 3 km, water (50%) within 16 km, and water (43%) and cropland (21%) within 80 km.

3 km
81 m
16 km
415 m
80 km
671 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Fasano 14 km · Conversano 16 km · Putignano 18 km · Mola di Bari 21 km · Noci 22 km · Rutigliano 25 km · Noicattaro 28 km · Martina Franca 28 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 Monopoli (40.9492°, 17.2972°, elevation 9 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).