Râmnicu Vâlcea weather in September

In September, Râmnicu Vâlcea sees average daytime highs of 22°C and overnight lows near 11°C, with 73 mm of rain across 8.3 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 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 42% 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 Râmnicu Vâlcea's 3rd-clearest and 5th-windiest month. For the whole year in context, see Râmnicu Vâlcea's year-round climate.

Daytime high
22°
4th warmest
Overnight low
11°
9th coldest
Rainfall
73 mm
8.3 wet days
Daylight
12 h 18 min
6:08 AM – 6:26 PM
Cloud cover
50%
3rd clearest
Wind
6 km/h
5th windiest
Solar energy
3.88 kWh/m²
Travel score
7.0
out of 10

Râmnicu Vâlcea is locality in Vâlcea County, Romania.

Air quality
Moderate
PM2.5 14 µg/m³ · 2018

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 24°C in the first days to 19°C by the end.

A typical September day in Râmnicu Vâlcea reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 27°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12413
22413
32413
42412
52412
62312
72312
82312
92312
102312
112212
122211
132211
142211
152211
162211
172111
182111
192111
202110
212110
222010
232010
242010
252010
262010
27199
28199
29199
30199

How September really feels in Râmnicu Vâlcea

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.

Râmnicu Vâlcea 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 / -4°468.15.890.0
Feb / -3°447.95.410.10.2
Mar10° / 6010.43.611.62.4
Apr16° / 7511.50.413.24.7
May21° / 10°9514.5014.65.8
Jun25° / 14°10814.4015.46.2
Jul27° / 15°8712.3015.16.5
Aug27° / 15°7410.4013.96.9
Sep22° / 11°738.3012.37.0
Oct16° / 698.90.210.74.9
Nov / 598.42.49.31.7
Dec / -2°618.94.88.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26832
36832
46733
56733
66733
76634
86634
96535
106535
116436
126337
136238
146139
156040
165941
175842
185743
195644
205545
215545
225446
235347
245347
255248
265248
275248
285248
295149
305248

Chance of precipitation in September

Any precipitation

Râmnicu Vâlcea gets around 73 mm of rain over 8.3 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 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
129
228
328
427
526
626
725
825
925
1025
1125
1225
1326
1426
1527
1628
1728
1829
1929
2030
2130
2230
2330
2430
2530
2630
2730
2830
2930
3030

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14439171
24738140
35038130
45237110
5553690
6563680
7583660
8603550
9613540
10633430
11643330
12643330
13663220
14673120
15683020
16683020
17692920
18702820
19712720
20712630
21732430
22742330
23752230
24762130
25781930
26781930
27791830
28801730
29811630
30821530

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 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 5:49 AM to 6:25 AM, and sunset from 6:55 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:496:55
213.15:506:54
313.05:516:52
413.05:536:50
512.95:546:48
612.85:556:46
712.85:566:44
812.75:586:42
912.75:596:40
1012.66:006:38
1112.66:016:36
1212.56:036:34
1312.56:046:32
1412.46:056:30
1512.46:066:28
1612.36:086:26
1712.36:096:24
1812.26:106:22
1912.16:116:20
2012.16:136:18
2112.06:146:16
2212.06:156:14
2311.96:166:12
2411.96:186:10
2511.86:196:08
2611.86:206:06
2711.76:216:04
2811.76:236:02
2911.66:246:00
3011.66:255:59

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.88 kWh/m².

For context, solar energy here swings from a low near 1.26 kWh/m² to a high of 6.03 kWh/m² in June across the year — September's 3.88 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.3Bright
94.3Bright
104.2Bright
114.2Bright
124.1Bright
134.0Bright
144.0Moderate
153.9Moderate
163.9Moderate
173.8Moderate
183.7Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.5Moderate
233.5Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.3Moderate
283.2Moderate
293.2Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Râmnicu Vâlcea?

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

7.0
Sightseeing
1st-best month of the year
4.6
Beach & pool
4th-best month of the year

September is one of the better times to visit Râmnicu Vâlcea for general sightseeing.

What to pack for Râmnicu Vâlcea in September

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

In September, Râmnicu Vâlcea sees daytime highs around 22°C and nights near 11°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Râmnicu Vâlcea 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 Râmnicu Vâlcea peaks around July 16 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 highModerateLowJul 16UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr8Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Râmnicu Vâlcea 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 Râmnicu Vâlcea is worst in March — around 17 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Râmnicu Vâlcea's WHO annual average of 14 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2417 µg/m³Dec 1410 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar17Moderate
Apr17Moderate
May17Moderate
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep12Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Râmnicu Vâlcea?

Râmnicu Vâlcea sits at 45.1°N, 24.4°E, 237 m above sea level, in Romania. The nearest listed city is Curtea de Argeş, 24 km away.

MioveniPiteştiDrăgăşaniCisnădieSlatinaSibiuPetrila

Topography around Râmnicu Vâlcea

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

Within 3 km, the terrain around Râmnicu Vâlcea has significant variations in elevation — a maximum elevation change of 329 m around an average of 286 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 686 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,390 m.

The land around Râmnicu Vâlcea is covered by trees (50%) and artificial surfaces (27%) within 3 km, trees (71%) within 16 km, and trees (64%) within 80 km.

3 km
329 m
16 km
686 m
80 km
2,390 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Curtea de Argeş 24 km · Mioveni 48 km · Piteşti 48 km · Drăgăşani 51 km · Cisnădie 71 km · Slatina 74 km · Sibiu 80 km · Petrila 84 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 Râmnicu Vâlcea (45.1°, 24.3667°, elevation 237 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. 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).