Altamura weather in September

In September, Altamura sees average daytime highs of 26°C and overnight lows near 16°C, with 46 mm of rain across 7.1 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 28°C in the first days to 24°C by the end. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels comfortable.

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 Altamura's 4th-clearest and 10th-windiest month. For the whole year in context, see Altamura's year-round climate.

Daytime high
26°
4th warmest
Overnight low
16°
9th coldest
Rainfall
46 mm
7.1 wet days
Daylight
12 h 18 min
5:40 AM – 5:56 PM
Cloud cover
41%
4th clearest
Wind
9 km/h
10th windiest
Solar energy
4.73 kWh/m²
Travel score
7.3
out of 10

Altamura is chief town of the homonym municipality.

Air quality
Moderate
PM2.5 11.7 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 28°C in the first days to 24°C by the end.

A typical September day in Altamura reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12918
22918
32818
42818
52817
62817
72817
82817
92717
102717
112717
122716
132716
142716
152616
162616
172616
182616
192616
202615
212515
222515
232515
242515
252515
262515
272415
282414
292414
302414

Altamura 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° / 5280.99.42.9
Feb12° / 5491.210.43.2
Mar15° / 589.30.411.74.6
Apr18° / 579.60.113.15.9
May23° / 13°428.1014.27.3
Jun28° / 17°356.3014.96.8
Jul31° / 20°224.7014.65.7
Aug31° / 20°235013.65.6
Sep26° / 16°467.1012.37.3
Oct22° / 12°527.7010.97.1
Nov16° / 658.30.19.75.4
Dec12° / 578.70.99.13.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28218
38020
48020
57921
67822
77723
87723
97624
107525
117525
127525
137426
147426
157327
167327
177327
187228
197228
207228
217129
227129
237030
247030
256931
266931
276832
286832
296832
306733

Chance of precipitation in September

Any precipitation

Altamura gets around 46 mm of rain over 7.1 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 23% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
121
222
323
423
524
624
724
824
924
1024
1124
1224
1324
1423
1523
1623
1723
1823
1923
2023
2123
2223
2323
2423
2523
2623
2724
2824
2925
3025

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 37% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12237329
22337328
32437327
42537327
52637326
62637315
72737315
82738315
92838304
102838294
112939294
122939284
132939284
143039274
153139264
163239264
173339253
183439243
193538233
203738233
213837223
223937213
234136203
244236202
254336192
264435182
274535182
284635172
294735162
304835152

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:25 AM to 5:55 AM, and sunset from 6:22 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:256:22
212.95:266:20
312.95:276:19
412.85:286:17
512.85:296:15
612.75:306:14
712.75:316:12
812.65:326:10
912.65:336:08
1012.55:346:07
1112.55:356:05
1212.55:366:03
1312.45:376:01
1412.45:386:00
1512.35:395:58
1612.35:405:56
1712.25:415:54
1812.25:425:53
1912.15:435:51
2012.15:445:49
2112.05:455:47
2212.05:465:46
2311.95:475:44
2411.95:485:42
2511.85:495:40
2611.85:505:39
2711.85:515:37
2811.75:525:35
2911.75:545:33
3011.65:555:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.73 kWh/m².

For context, solar energy here swings from a low near 1.74 kWh/m² to a high of 7.14 kWh/m² in June across the year — September's 4.73 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.4Bright
234.4Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.1Bright
294.1Bright
304.0Bright
Planning a trip in September

Is September a good time to visit Altamura?

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

7.3
Sightseeing
1st-best month of the year
7.2
Beach & pool
4th-best month of the year

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

What to pack for Altamura in September

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

In September, Altamura sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Altamura 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 43 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 Jun 2 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 Altamura 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 Altamura 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
Apr5High
May7High
Jun9Very high
Jul10Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Altamura?

Altamura sits at 40.8°N, 16.5°E, 467 m above sea level, in Italy. The nearest listed city is Gravina in Puglia, 11 km away.

Topography around Altamura

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

Within 3 km, the terrain around Altamura has only modest variations in elevation — a maximum elevation change of 111 m around an average of 421 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 413 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,809 m.

The land around Altamura is covered by cropland (34%), grassland (29%) and artificial surfaces (26%) within 3 km, cropland (58%) and grassland (24%) within 16 km, and cropland (28%), trees (27%) and water (25%) within 80 km.

3 km
111 m
16 km
413 m
80 km
1,809 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Gravina in Puglia 11 km · Santeramo in Colle 18 km · Matera 18 km · Acquaviva delle Fonti 26 km · Palo del Colle 29 km · Gioia del Colle 32 km · Ginosa 33 km · Ruvo di Puglia 33 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 Altamura (40.8266°, 16.5495°, elevation 467 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).