Constanța in Fall
In fall (September, October and November), Constanța sees average daytime highs around 17°C and overnight lows near 13°C, with 146 mm of precipitation over about 20 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 24°C in early September to 9°C by late November. The sky is clear or mostly clear about 38% of the time across fall, and the air most often feels dry.
Fall is Constanța's 2nd-best season to visit on our travel score. For the whole year in context, see Constanța's year-round climate.
- Avg daytime high
- 17°C
- 2nd-warmest season
- Avg overnight low
- 13°C
- Precipitation
- 146 mm
- 20 wet days
- Avg wind
- 19 km/h
- Travel score
- 5.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Constanța in Fall
Over the season highs ease from about 24°C in early September to 9°C by late November.
A typical fall day in Constanța reaches about 17°C and drops to 13°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Constanța
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Constanța 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 5° / 1° | 44 | 7.3 | 3.6 | 9.1 | 0.0 |
| Feb | 5° / 2° | 33 | 6.2 | 2.4 | 10.2 | 0.2 |
| Mar | 8° / 4° | 41 | 7.8 | 1.1 | 11.6 | 1.5 |
| Apr | 12° / 8° | 33 | 6.9 | 0.1 | 13.2 | 3.6 |
| May | 18° / 14° | 36 | 6.9 | 0 | 14.5 | 6.4 |
| Jun | 23° / 19° | 39 | 6.8 | 0 | 15.3 | 7.7 |
| Jul | 26° / 21° | 30 | 4.9 | 0 | 15 | 8.1 |
| Aug | 26° / 22° | 31 | 4.8 | 0 | 13.8 | 8.2 |
| Sep | 22° / 18° | 51 | 5.9 | 0 | 12.3 | 7.6 |
| Oct | 17° / 13° | 50 | 6.8 | 0 | 10.8 | 5.6 |
| Nov | 11° / 8° | 45 | 7.1 | 0.6 | 9.4 | 3.0 |
| Dec | 7° / 3° | 46 | 8 | 2.2 | 8.7 | 0.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 38% of the time across fall.
Chance of precipitation in Fall
Constanța gets around 146 mm of rain and snow over 20 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 19 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 06 min in early September to 9 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.9 kWh/m².
Is fall a good time to visit Constanța?
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.
fall is a reasonable time to visit Constanța for sightseeing.
What to pack for Constanța in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Constanța sees daytime highs around 17°C and nights near 13°C. Pack a warm layer. About 20 days see rain.
Sea temperature near Constanța in Fall
The nearest coast averages about 18°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 20 km away) is warmest in August at about 25°C and coldest in February near 6°C.
It's comfortable for a long swim from Jun 12 to Sep 29 — about 3.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 7 | 6 | 7 | 10 | 16 | 21 | 24 | 25 | 22 | 18 | 14 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 7 | Bracing |
| Feb | 6 | Bracing |
| Mar | 7 | Bracing |
| Apr | 10 | Bracing |
| May | 16 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 22 | Refreshing |
| Oct | 18 | Cool |
| Nov | 14 | Bracing |
| Dec | 10 | Bracing |
UV index in Constanța in Fall
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 Constanța peaks around July 18 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 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 7 | 6 | 8 | 8 | 8 | 6 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 7 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Constanța in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Constanța is worst in March — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Constanța's WHO annual average of 12.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 13 | 20 | 14 | 13 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 13 | Moderate |
| Mar | 20 | Moderate |
| Apr | 14 | Moderate |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Moderate |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 8 | Good |
Where is Constanța?
Constanța sits at 44.2°N, 28.6°E, 40 m above sea level, in Romania. The nearest listed city is Năvodari, 15 km away.
Topography around Constanța
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Constanța.
Within 3 km, the terrain around Constanța has only modest variations in elevation — a maximum elevation change of 68 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 96 m; within 80 km, significant variations in elevation — a maximum elevation change of 397 m.
The land around Constanța is covered by artificial surfaces (61%) within 3 km, water (51%) and cropland (32%) within 16 km, and cropland (52%) and water (31%) within 80 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
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 Constanța (44.1807°, 28.6343°, elevation 40 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.