Termoli weather in September

In September, Termoli sees average daytime highs of 24°C and overnight lows near 20°C, with 63 mm of rain across 7.2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 5th-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 55% 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 Termoli's 4th-clearest and 7th-windiest month. For the whole year in context, see Termoli's year-round climate.

Daytime high
24°
4th warmest
Overnight low
20°
9th coldest
Rainfall
63 mm
7.2 wet days
Daylight
12 h 18 min
5:46 AM – 6:03 PM
Cloud cover
40%
4th clearest
Wind
13 km/h
7th windiest
Solar energy
4.53 kWh/m²
Travel score
7.6
out of 10

Termoli is chief town of the homonym municipality.

Air quality
Moderate
PM2.5 10.3 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 Termoli reaches about 24°C in the afternoon and slips back to 20°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 27°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)
12622
22621
32621
42621
52521
62521
72521
82521
92520
102520
112520
122520
132420
142420
152420
162420
172420
182419
192419
202319
212319
222319
232319
242319
252318
262318
272318
282218
292218
302218

Termoli weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 7410.30.79.33.0
Feb12° / 559.90.510.33.1
Mar14° / 548.80.211.74.2
Apr16° / 12°498013.15.6
May20° / 16°356.2014.37.2
Jun25° / 20°354.70158.2
Jul27° / 23°243.6014.78.2
Aug27° / 23°274.2013.78.0
Sep24° / 20°637.2012.37.6
Oct20° / 16°648.3010.96.8
Nov16° / 12°789.709.65.2
Dec13° / 8111.70.393.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% 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 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
27921
37921
47723
57624
67624
77525
87327
97327
107228
117228
127129
137129
147129
157129
167030
176931
186931
196931
206931
216931
226733
236832
246733
256733
266733
276733
286733
296634
306634

Chance of precipitation in September

Any precipitation

Termoli gets around 63 mm of rain over 7.2 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 24% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
121
222
322
422
523
623
723
823
923
1023
1124
1224
1324
1424
1524
1624
1725
1825
1925
2025
2125
2225
2325
2425
2525
2625
2726
2826
2926
3027

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 29% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1611303815
2712313713
3713333711
4813343610
581435358
681536357
781537346
881637345
991737334
1091737334
1191837333
1291937323
13102037322
14102037312
15102137302
16112237292
17112436272
18122536261
19132636241
20142736221
21142836201
22152936191
23163036171
24173037161
25173137141
26183238130
27183238110
28193338100
2919333890
3019343980

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 5:30 AM to 6:01 AM, and sunset from 6:30 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:306:30
212.95:316:28
312.95:326:26
412.95:336:24
512.85:346:23
612.85:356:21
712.75:366:19
812.75:376:17
912.65:386:15
1012.65:406:14
1112.55:416:12
1212.55:426:10
1312.45:436:08
1412.45:446:06
1512.35:456:05
1612.35:466:03
1712.25:476:01
1812.25:485:59
1912.15:495:57
2012.15:505:55
2112.05:515:54
2212.05:525:52
2311.95:545:50
2411.95:555:48
2511.85:565:46
2611.85:575:45
2711.75:585:43
2811.75:595:41
2911.66:005:39
3011.66:015:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.53 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 6.9 kWh/m² in June across the year — September's 4.53 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
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
274.0Bright
284.0Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Is September a good time to visit Termoli?

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

7.6
Sightseeing
4th-best month of the year
6.4
Beach & pool
4th-best month of the year

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

What to pack for Termoli in September

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

In September, Termoli sees daytime highs around 24°C and nights near 20°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Termoli 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 17 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Oct 16 — about 4.6 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct20Refreshing
Nov17Cool
Dec15Cool

UV index in Termoli 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 Termoli peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Termoli?

Termoli sits at 42.0°N, 15.0°E, 15 m above sea level, in Italy. The nearest listed city is San Salvo, 22 km away.

Topography around Termoli

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

Within 3 km, the terrain around Termoli has only modest variations in elevation — a maximum elevation change of 108 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 378 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,770 m.

The land around Termoli is covered by water (52%) within 3 km, water (55%) and cropland (30%) within 16 km, and water (35%), trees (26%) and cropland (26%) within 80 km.

3 km
108 m
16 km
378 m
80 km
2,770 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: San Salvo 22 km · Vasto 27 km · Torremaggiore 43 km · San Severo 47 km · San Nicandro Garganico 51 km · Lanciano 56 km · Campobasso 56 km · Lucera 62 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 Termoli (41.9999°, 14.9939°, elevation 15 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).