Ploieşti weather in September

In September, Ploieşti sees average daytime highs of 22°C and overnight lows near 12°C, with 57 mm of rain across 7.2 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 25°C in the first days to 20°C by the end. The sky is clear or mostly clear about 43% 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 Ploieşti's 3rd-clearest and 5th-windiest month. For the whole year in context, see Ploieşti's year-round climate.

Daytime high
22°
4th warmest
Overnight low
12°
9th coldest
Rainfall
57 mm
7.2 wet days
Daylight
12 h 18 min
6:01 AM – 6:20 PM
Cloud cover
49%
3rd clearest
Wind
8 km/h
5th windiest
Solar energy
3.97 kWh/m²
Travel score
7.3
out of 10

Ploieşti is constituent locality of the city of Ploiești, Romania.

Air quality
Elevated
PM2.5 19.4 µg/m³ · 2018
Founded
1503

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 25°C in the first days to 20°C by the end.

A typical September day in Ploieşti reaches about 22°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°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)
12514
22514
32513
42513
52413
62413
72413
82413
92412
102412
112312
122312
132312
142312
152312
162212
172211
182211
192211
202211
212111
222111
232111
242110
252110
262010
272010
282010
292010
302010

How September really feels in Ploieşti

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.

Ploieşti 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°407.1590.0
Feb / -3°366.94.110.10.3
Mar10° / 498.6311.62.5
Apr16° / 5910.30.413.24.9
May21° / 11°7713014.66.1
Jun25° / 15°8512.9015.36.4
Jul27° / 16°729.9015.16.6
Aug28° / 16°468.2013.96.8
Sep22° / 12°577.2012.37.3
Oct16° / 577.70.410.75.4
Nov / 497.31.79.42.0
Dec / -2°497.54.18.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
27030
37030
47030
57030
66931
76931
86931
96832
106832
116733
126634
136634
146535
156337
166238
176238
186139
195941
205941
215842
225743
235644
245644
255644
265545
275545
285545
295644
305545

Chance of precipitation in September

Any precipitation

Ploieşti gets around 57 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 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
326
426
525
625
724
824
923
1023
1123
1223
1323
1423
1523
1623
1723
1823
1923
2023
2123
2224
2324
2424
2524
2623
2723
2823
2923
3023

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 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1523117
2543115
3573013
4602911
5612910
664288
765287
866286
967285
1069274
1170273
1271263
1371263
1472253
1572253
1673243
1774233
1874233
1974224
2075214
2176204
2276195
2376195
2477185
2578175
2678175
2779165
2879165
2980155
3080155

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:43 AM to 6:19 AM, and sunset from 6:49 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:436:49
213.15:446:47
313.05:456:45
412.95:466:43
512.95:476:41
612.85:496:39
712.85:506:37
812.75:516:35
912.75:526:33
1012.65:546:31
1112.65:556:29
1212.55:566:27
1312.55:576:25
1412.45:596:23
1512.46:006:21
1612.36:016:20
1712.36:026:18
1812.26:036:16
1912.16:056:14
2012.16:066:12
2112.06:076:10
2212.06:086:08
2311.96:106:06
2411.96:116:04
2511.86:126:02
2611.86:136:00
2711.76:155:58
2811.76:165:56
2911.66:175:54
3011.66:195:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.97 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 5.99 kWh/m² in July across the year — September's 3.97 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.1Bright
144.1Bright
154.0Bright
164.0Moderate
173.9Moderate
183.8Moderate
193.8Moderate
203.7Moderate
213.7Moderate
223.6Moderate
233.6Moderate
243.5Moderate
253.5Moderate
263.4Moderate
273.4Moderate
283.3Moderate
293.3Moderate
303.2Moderate
Planning a trip in September

Is September a good time to visit Ploieşti?

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
5.2
Beach & pool
4th-best month of the year

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

What to pack for Ploieşti in September

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

In September, Ploieşti sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Ploieşti 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 Ploieşti peaks around July 17 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 17UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr8Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Ploieşti 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 Ploieşti is worst in March — around 23 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Ploieşti's WHO annual average of 19.4 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2023 µg/m³Dec 1316 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar23Moderate
Apr22Moderate
May20Moderate
Jun22Moderate
Jul22Moderate
Aug19Moderate
Sep16Moderate
Oct16Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Ploieşti?

Ploieşti sits at 45.0°N, 26.0°E, 161 m above sea level, in Romania. The nearest listed city is Băicoi, 16 km away.

BufteaTârgovişteSector 1

Topography around Ploieşti

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

Within 3 km, the terrain around Ploieşti has only modest variations in elevation — a maximum elevation change of 44 m around an average of 165 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 314 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,460 m.

The land around Ploieşti is covered by artificial surfaces (55%) within 3 km, cropland (48%) and trees (26%) within 16 km, and trees (43%) and cropland (39%) within 80 km.

3 km
44 m
16 km
314 m
80 km
2,460 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Băicoi 16 km · Moreni 30 km · Câmpina 30 km · Mizil 35 km · Breaza 38 km · Buftea 44 km · Târgovişte 44 km · Sector 1 51 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 Ploieşti (44.95°, 26.0167°, elevation 161 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).