Buzău weather in September

In September, Buzău sees average daytime highs of 22°C and overnight lows near 12°C, with 53 mm of rain across 7 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 25°C in the first days to 20°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 Buzău's 3rd-clearest and 6th-windiest month. For the whole year in context, see Buzău's year-round climate.

Daytime high
22°
4th warmest
Overnight low
12°
9th coldest
Rainfall
53 mm
7 wet days
Daylight
12 h 18 min
5:58 AM – 6:16 PM
Cloud cover
49%
3rd clearest
Wind
9 km/h
6th windiest
Solar energy
3.99 kWh/m²
Travel score
7.3
out of 10

Buzău is constituent locality of Buzău, Romania.

Air quality
Moderate
PM2.5 14.9 µg/m³ · 2010
Founded
1431

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 Buzău reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°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
32514
42414
52413
62413
72413
82413
92313
102313
112312
122312
132312
142312
152212
162212
172212
182211
192211
202111
212111
222111
232111
242011
252010
262010
272010
282010
292010
301910

How September really feels in Buzău

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.

Buzău 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
Jan / -4°366.44.990.0
Feb / -3°335.83.810.10.2
Mar10° / 457.9311.62.3
Apr16° / 5610.30.613.24.7
May21° / 11°7512.70.114.66.1
Jun25° / 15°8312.7015.46.4
Jul28° / 17°7610.7015.16.4
Aug27° / 16°488.2013.96.8
Sep22° / 12°537012.37.3
Oct16° / 506.40.310.75.3
Nov / 426.61.79.31.9
Dec / -2°446.53.98.60.0

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 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 (%)
17129
27129
37030
46931
56931
66931
76832
86832
96832
106733
116634
126535
136535
146436
156337
166238
176238
186139
196040
205941
215941
225842
235743
245743
255644
265545
275545
285545
295446
305446

Chance of precipitation in September

Any precipitation

Buzău gets around 53 mm of rain over 7 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 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
226
326
425
525
624
724
823
923
1023
1122
1222
1322
1422
1522
1622
1722
1822
1923
2023
2123
2223
2323
2423
2523
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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1603010
264288
366277
468266
570255
671254
772244
873243
975232
1075232
1175232
1275232
1376222
1476222
1577212
1677212
1778202
1878202
1978193
2079183
2180173
2280173
2381163
2480164
2581154
2681154
2781154
2882144
2982144
3083143

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:39 AM to 6:15 AM, and sunset from 6:46 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:396:46
213.15:406:44
313.05:426:42
413.05:436:40
512.95:446:38
612.85:456:36
712.85:466:34
812.75:486:32
912.75:496:30
1012.65:506:28
1112.65:516:26
1212.55:536:24
1312.55:546:22
1412.45:556:20
1512.45:566:18
1612.35:586:16
1712.35:596:14
1812.26:006:12
1912.16:016:10
2012.16:036:08
2112.06:046:06
2212.06:056:04
2311.96:066:02
2411.96:086:00
2511.86:095:58
2611.86:105:56
2711.76:125:54
2811.76:135:53
2911.66:145:51
3011.66:155:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.99 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.06 kWh/m² in June across the year — September's 3.99 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
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
183.9Moderate
193.8Moderate
203.8Moderate
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 Buzău?

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
5.1
Beach & pool
4th-best month of the year

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

What to pack for Buzău in September

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

In September, Buzău 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 Buzău 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 Buzău peaks around July 17 at about 8 (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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Buzău 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 Buzău is worst in March — around 19 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Buzău's WHO annual average of 14.9 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2019 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar19Moderate
Apr17Moderate
May16Moderate
Jun17Moderate
Jul17Moderate
Aug15Moderate
Sep13Moderate
Oct12Good
Nov12Good
Dec11Good
Location & terrain

Where is Buzău?

Buzău sits at 45.1°N, 26.8°E, 93 m above sea level, in Romania. The nearest listed city is Râmnicu Sărat, 31 km away.

UrziceniFocșaniPloieştiSloboziaBăicoiCâmpina

Topography around Buzău

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

Within 3 km, the terrain around Buzău has only modest variations in elevation — a maximum elevation change of 45 m around an average of 94 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 384 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,858 m.

The land around Buzău is covered by artificial surfaces (41%), grassland (22%) and cropland (21%) within 3 km, cropland (65%) within 16 km, and cropland (53%) and trees (31%) within 80 km.

3 km
45 m
16 km
384 m
80 km
1,858 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Râmnicu Sărat 31 km · Mizil 34 km · Urziceni 51 km · Focșani 67 km · Ploieşti 68 km · Slobozia 77 km · Băicoi 78 km · Câmpina 86 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 Buzău (45.15°, 26.8333°, elevation 93 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).