Bacău in Fall

In fall (September, October and November), Bacău sees average daytime highs around 15°C and overnight lows near 6°C, with 124 mm of precipitation over about 18 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 24°C in early September to 5°C by late November. The sky is clear or mostly clear about 32% of the time across fall, and the air most often feels dry.

Fall is Bacău's 2nd-best season to visit on our travel score. For the whole year in context, see Bacău's year-round climate.

Avg daytime high
15°C
3rd-warmest season
Avg overnight low
6°C
Precipitation
124 mm
18 wet days
Avg wind
9 km/h
Travel score
4.7
2nd-best season
Months
Sep · Oct · Nov

Temperature in Bacău in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 24°C in early September to 5°C by late November.

A typical fall day in Bacău reaches about 15°C and drops to 6°C overnight. The warmest of the three months is September, the coolest November.

-10°10°20°30°SepOctNov

How fall really feels in Bacău

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 24 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
24
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Bacău weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°305.85.48.80.0
Feb / -4°286.34.6100.1
Mar / 398.12.711.62.0
Apr16° / 4890.413.35.0
May22° / 11°6410.1014.86.6
Jun25° / 15°8110.3015.66.8
Jul27° / 16°708.7015.26.8
Aug27° / 16°446.30147.2
Sep22° / 11°466.4012.47.3
Oct15° / 4460.110.75.2
Nov / 355.729.21.6
Dec / -4°366.74.48.40.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Bacău gets around 124 mm of rain and snow over 18 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 9 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 h 12 min in early September to 8 h 42 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 2.5 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Bacău?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.7
Sightseeing
2nd-best month of the year
1.9
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Bacău for sightseeing.

What to pack for Bacău in Fall

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

In fall, Bacău sees daytime highs around 15°C and nights near 6°C. Pack a warm layer. About 18 days see rain.

a warm layer

UV index in Bacău in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bacău peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 19UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Bacău in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Bacău is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Bacău's WHO annual average of 12.9 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1516 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar16Moderate
Apr14Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep12Good
Oct10Good
Nov11Good
Dec9Good
Location & terrain

Where is Bacău?

Bacău sits at 46.6°N, 26.9°E, 165 m above sea level, in Romania. The nearest listed city is Buhuşi, 23 km away.

AdjudPiatra NeamţVasluiBârlad

Topography around Bacău

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

Within 3 km, the terrain around Bacău has only modest variations in elevation — a maximum elevation change of 82 m around an average of 167 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 591 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,614 m.

The land around Bacău is covered by artificial surfaces (43%) within 3 km, trees (38%), cropland (33%) and grassland (21%) within 16 km, and trees (45%), cropland (32%) and grassland (21%) within 80 km.

3 km
82 m
16 km
591 m
80 km
1,614 m
treesgrasslandcroplandartificial surfaceswaterwetland
Fall weather nearby: Buhuşi 23 km · Moineşti 34 km · Roman 39 km · Comăneşti 40 km · Adjud 56 km · Piatra Neamţ 59 km · Vaslui 63 km · Bârlad 69 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 Bacău (46.5672°, 26.9138°, elevation 165 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.