Aprilia weather in September

In September, Aprilia sees average daytime highs of 24°C and overnight lows near 19°C, with 91 mm of rain across 9.2 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 4th-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 57% of the time in September, and the air most often feels humid.

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 Aprilia's 4th-clearest and 9th-windiest month. For the whole year in context, see Aprilia's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
91 mm
9.2 wet days
Daylight
12 h 18 min
5:55 AM – 6:12 PM
Cloud cover
40%
4th clearest
Wind
10 km/h
9th windiest
Solar energy
4.62 kWh/m²
Travel score
7.3
out of 10
Air quality
Good
PM10 23.4 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 22°C by the end.

A typical September day in Aprilia reaches about 24°C in the afternoon and slips back to 19°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 26°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12621
22621
32621
42521
52520
62520
72520
82520
92520
102520
112520
122420
132419
142419
152419
162419
172419
182419
192319
202319
212319
222319
232318
242318
252318
262318
272218
282218
292218
302218

Aprilia weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 8610.79.33.1
Feb12° / 8310.310.33.2
Mar14° / 819.911.74.2
Apr16° / 11°7410.513.15.2
May20° / 15°538.214.36.9
Jun24° / 19°295.1158.2
Jul27° / 22°193.314.78.4
Aug27° / 22°223.913.78.1
Sep24° / 19°919.212.37.3
Oct20° / 16°13111.110.96.4
Nov16° / 12°16013.89.74.7
Dec13° / 12112.393.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28218
38119
48020
57921
67822
77822
87723
97525
107525
117426
127426
137327
147327
157327
167327
177228
187228
197228
207030
217030
227030
237030
246931
256931
266931
276832
286832
296832
306832

Chance of precipitation in September

Any precipitation

Aprilia gets around 91 mm of rain over 9.2 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 31% and peaks near 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
123
223
324
425
526
627
727
828
928
1029
1130
1230
1331
1432
1532
1633
1733
1834
1934
2034
2134
2234
2334
2434
2534
2634
2734
2834
2934
3035

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1210294513
2311304412
3312324310
431333439
531334427
641435426
741436415
841437414
951538403
1051538392
1161539392
1261639382
1361639371
1471739361
1571840341
1681940331
1782040311
1892140291
1992241271
20102341251
21112441241
22112541221
23122642201
24122742180
25122842170
26132943150
27133043140
28133143120
29133243110
30143343100

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:40 AM to 6:10 AM, and sunset from 6:38 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:406:38
212.95:416:37
312.95:426:35
412.85:436:33
512.85:446:32
612.75:456:30
712.75:466:28
812.75:476:26
912.65:486:24
1012.65:496:23
1112.55:506:21
1212.55:516:19
1312.45:526:17
1412.45:536:16
1512.35:546:14
1612.35:556:12
1712.25:576:10
1812.25:586:08
1912.15:596:07
2012.16:006:05
2112.06:016:03
2212.06:026:01
2311.96:035:59
2411.96:045:58
2511.86:055:56
2611.86:065:54
2711.76:075:52
2811.76:085:50
2911.76:095:49
3011.66:105:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.62 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 7.14 kWh/m² in July across the year — September's 4.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.1Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.8Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.1Bright
264.0Bright
274.0Bright
284.0Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Hazard calendar for Aprilia

In seasonPeak

In September, Aprilia sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Aprilia's rainy season runs September–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Aprilia?

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

7.3
Sightseeing
4th-best month of the year
6.1
Beach & pool
4th-best month of the year

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

What to pack for Aprilia in September

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

In September, Aprilia sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Aprilia 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 at the nearest coast (about 23 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 31 to Nov 1 — about 5.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Aprilia 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 Aprilia peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 15UV 10Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Aprilia?

Aprilia sits at 41.6°N, 12.7°E, 80 m above sea level, in Italy. The nearest listed city is Ardea, 9.0 km away.

Topography around Aprilia

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

Within 3 km, the terrain around Aprilia has only modest variations in elevation — a maximum elevation change of 57 m around an average of 74 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 856 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,137 m.

The land around Aprilia is covered by artificial surfaces (32%) and cropland (25%) within 3 km, trees (32%) and cropland (20%) within 16 km, and trees (38%) and water (37%) within 80 km.

3 km
57 m
16 km
856 m
80 km
2,137 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Ardea 9.0 km · Marina di Ardea-Tor San Lorenzo 10 km · Genzano di Roma 13 km · Ariccia 14 km · Velletri 14 km · Cisterna di Latina 14 km · Albano Laziale 15 km · Pomezia 15 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 Aprilia (41.5945°, 12.6542°, elevation 80 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).