Vulcan weather in September

In September, Vulcan sees average daytime highs of 18°C and overnight lows near 8°C, with 92 mm of precipitation across 11.9 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 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 34% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Vulcan's 3rd-clearest and 9th-windiest month. For the whole year in context, see Vulcan's year-round climate.

Daytime high
18°
4th warmest
Overnight low
9th coldest
Precipitation
92 mm
11.9 wet days
Daylight
12 h 18 min
6:12 AM – 6:31 PM
Cloud cover
56%
3rd clearest
Wind
5 km/h
9th windiest
Solar energy
3.78 kWh/m²
Travel score
5.5
out of 10

Vulcan is locality in Hunedoara County, Romania.

Air quality
Good
PM10 22.3 µg/m³ · 2018
Founded
1462

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 20°C in the first days to 16°C by the end.

A typical September day in Vulcan reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 23°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12010
2209
3209
4209
5199
6199
7199
8199
9198
10198
11188
12188
13188
14188
15188
16188
17188
18178
19177
20177
21177
22177
23177
24167
25167
26167
27166
28166
29166
30166

How September really feels in Vulcan

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Vulcan 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 daysSnow daysDaylight (hours)Travel score
Jan / -6°531110.58.90.0
Feb / -5°5210.89.310.10.0
Mar / -2°72137.711.60.7
Apr12° / 10315.92.813.22.7
May17° / 13719.20.214.74.2
Jun20° / 10°15017.7015.45.2
Jul22° / 11°13917.1015.15.8
Aug22° / 11°10814.3013.96.3
Sep18° / 9211.90.112.35.5
Oct13° / 689.8110.73.5
Nov / -0°5710.35.39.30.9
Dec / -5°6211.49.18.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26040
36040
45941
55941
65842
75743
85842
95743
105644
115644
125644
135545
145446
155347
165248
175248
185248
195149
204951
214951
224951
234951
244951
254852
264852
274852
284852
294852
304852

Chance of precipitation in September

Any precipitation

Vulcan gets around 92 mm of rain and snow over 11.9 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 44% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
144
243
343
442
541
641
740
839
939
1038
1138
1238
1338
1438
1538
1639
1739
1839
1939
2040
2140
2239
2339
2439
2538
2637
2737
2836
2935
3035

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
178211
281190
384160
486140
588120
690100
79190
89370
99460
109550
119550
129640
139640
149640
159730
169730
179730
189730
199730
209730
219730
229730
239730
249730
259730
269820
279820
289820
299820
309820

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min 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 90 minutes over September. Sunrise moves from 5:53 AM to 6:30 AM, and sunset from 7:00 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:537:00
213.15:546:58
313.05:566:56
413.05:576:54
512.95:586:52
612.95:596:51
712.86:016:49
812.76:026:47
912.76:036:45
1012.66:046:43
1112.66:066:41
1212.56:076:39
1312.56:086:37
1412.46:096:35
1512.46:116:33
1612.36:126:31
1712.36:136:29
1812.26:146:27
1912.16:166:25
2012.16:176:23
2112.06:186:21
2212.06:196:19
2311.96:216:17
2411.96:226:15
2511.86:236:13
2611.86:256:11
2711.76:266:09
2811.76:276:07
2911.66:286:05
3011.66:306:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.78 kWh/m².

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 5.86 kWh/m² in June across the year — September's 3.78 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.2Bright
84.2Bright
94.1Bright
104.1Bright
114.0Bright
124.0Moderate
133.9Moderate
143.9Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Vulcan?

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

5.5
Sightseeing
3rd-best month of the year
1.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Vulcan for sightseeing.

What to pack for Vulcan in September

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

In September, Vulcan sees daytime highs around 18°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Vulcan in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vulcan peaks around July 14 at about 8 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr8Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Vulcan?

Vulcan sits at 45.4°N, 23.3°E, 757 m above sea level, in Romania. The nearest listed city is Lupeni, 3.0 km away.

HunedoaraOrăştieCugirDeva

Topography around Vulcan

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

Within 3 km, the terrain around Vulcan has large variations in elevation — a maximum elevation change of 840 m around an average of 780 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,462 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,416 m.

The land around Vulcan is covered by trees (72%) and grassland (20%) within 3 km, trees (78%) within 16 km, and trees (70%) and grassland (21%) within 80 km.

3 km
840 m
16 km
1,462 m
80 km
2,416 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Lupeni 3.0 km · Petroşani 9.0 km · Petrila 14 km · Târgu Jiu 37 km · Hunedoara 50 km · Orăştie 50 km · Cugir 51 km · Deva 62 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

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 Vulcan (45.3833°, 23.2667°, elevation 757 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. 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).