Nola weather in September

In September, Nola sees average daytime highs of 25°C and overnight lows near 16°C, with 98 mm of rain across 9.6 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 51% 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 Nola's 4th-clearest and 8th-windiest month. For the whole year in context, see Nola's year-round climate.

Daytime high
25°
4th warmest
Overnight low
16°
9th coldest
Rainfall
98 mm
9.6 wet days
Daylight
12 h 18 min
5:48 AM – 6:04 PM
Cloud cover
44%
4th clearest
Wind
6 km/h
8th windiest
Solar energy
4.54 kWh/m²
Travel score
7.1
out of 10

Nola 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 27°C in the first days to 23°C by the end.

A typical September day in Nola reaches about 25°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 21°C and 29°C. Set against its neighbours, September runs about 4°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12718
22718
32718
42717
52717
62717
72617
82617
92617
102617
112616
122616
132616
142516
152516
162516
172516
182516
192515
202415
212415
222415
232415
242415
252415
262315
272314
282314
292314
302314

Nola weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 110110.59.42.7
Feb12° / 10611.10.810.42.9
Mar14° / 11411.20.311.74.2
Apr18° / 11012.40.113.15.4
May22° / 12°799.8014.36.8
Jun26° / 16°436.9014.97.6
Jul29° / 19°254.8014.66.8
Aug29° / 19°285.3013.66.4
Sep25° / 16°989.6012.37.1
Oct21° / 12°14210.7010.96.5
Nov16° / 17513.40.19.74.6
Dec12° / 13912.20.39.13.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28020
37921
47822
57624
67624
77525
87426
97327
107228
117129
127129
137030
146931
156931
166931
176733
186733
196733
206634
216634
226634
236535
246535
256535
266436
276436
286337
296337
306337

Chance of precipitation in September

Any precipitation

Nola gets around 98 mm of rain over 9.6 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
228
329
430
530
631
731
832
932
1033
1133
1233
1333
1434
1534
1634
1734
1834
1934
2034
2133
2233
2333
2433
2532
2632
2732
2832
2932
3033

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1122040272
2132040252
3142140231
4152241211
5152341191
6162441181
7162542161
8172542151
9172642141
10182642131
11182742130
12192742120
13192841120
14202840110
15212940110
16212939100
17233037100
18243036100
1925313590
2027313490
2128313380
2230313180
2331313070
2432322960
2533332960
2633342850
2734352750
2834362640
2934372530
3035382430

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 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 5:33 AM to 6:03 AM, and sunset from 6:30 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:336:30
212.95:346:29
312.95:356:27
412.85:366:25
512.85:376:23
612.75:386:22
712.75:396:20
812.65:406:18
912.65:416:17
1012.55:426:15
1112.55:436:13
1212.55:446:11
1312.45:456:10
1412.45:466:08
1512.35:476:06
1612.35:486:04
1712.25:496:02
1812.25:506:01
1912.15:515:59
2012.15:525:57
2112.05:535:55
2212.05:545:54
2311.95:555:52
2411.95:565:50
2511.85:575:48
2611.85:595:47
2711.86:005:45
2811.76:015:43
2911.76:025:41
3011.66:035:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.54 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.95 kWh/m² in July across the year — September's 4.54 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.1Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.0Bright
274.0Moderate
283.9Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Is September a good time to visit Nola?

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

7.1
Sightseeing
2nd-best month of the year
6.4
Beach & pool
4th-best month of the year

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

What to pack for Nola in September

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

In September, Nola sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Nola 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 14 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 26 to Nov 7 — about 5.5 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Nola 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 Nola peaks around July 16 at about 9 (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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Nola 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 Nola is worst in April — around 22 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1021 µg/m³Sep 1714 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar21Moderate
Apr22Moderate
May18Moderate
Jun16Moderate
Jul16Moderate
Aug16Moderate
Sep14Moderate
Oct16Moderate
Nov16Moderate
Dec17Moderate
Location & terrain

Where is Nola?

Nola sits at 40.9°N, 14.5°E, 34 m above sea level, in Italy. The nearest listed city is Marigliano, 6.0 km away.

Topography around Nola

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

Within 3 km, the terrain around Nola has significant variations in elevation — a maximum elevation change of 332 m around an average of 56 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,571 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around Nola is covered by trees (56%) and artificial surfaces (32%) within 3 km, trees (64%) within 16 km, and trees (41%) and water (31%) within 80 km.

3 km
332 m
16 km
1,571 m
80 km
2,032 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Marigliano 6.0 km · Brusciano 9.0 km · Ottaviano 9.0 km · Somma Vesuviana 10 km · San Giuseppe Vesuviano 10 km · San Felice A Cancello 11 km · Pomigliano d'Arco 12 km · Sant'Anastasia 12 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 Nola (40.9261°, 14.5282°, elevation 34 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).