Brasov weather in September

In September, Brasov sees average daytime highs of 20°C and overnight lows near 9°C, with 59 mm of rain across 8.5 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 22°C in the first days to 17°C by the end. The sky is clear or mostly clear about 37% 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 30 min by month's end. Set against the rest of the year, September is Brasov's 3rd-clearest and 6th-windiest month. For the whole year in context, see Brasov's year-round climate.

Daytime high
20°
4th warmest
Overnight low
9th coldest
Rainfall
59 mm
8.5 wet days
Daylight
12 h 18 min
6:02 AM – 6:21 PM
Cloud cover
53%
3rd clearest
Wind
6 km/h
6th windiest
Solar energy
3.75 kWh/m²
Travel score
6.5
out of 10

Brasov is locality in Brașov County, Romania.

Air quality
Elevated
PM2.5 17.1 µg/m³ · 2019

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 22°C in the first days to 17°C by the end.

A typical September day in Brasov reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 26°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)
12211
22211
32210
42210
52110
62110
72110
82110
9219
10219
11209
12209
13209
14209
15209
16209
17199
18198
19198
20198
21198
22198
23188
24188
25188
26187
27187
28177
29177
30177

How September really feels in Brasov

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.

Brasov 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 / -7°388.57.88.90.0
Feb / -6°368.36.710.10.0
Mar / -2°5110.45.611.61.2
Apr14° / 6611.71.813.33.7
May19° / 9014.20.114.75.4
Jun22° / 12°9513.7015.46.1
Jul24° / 13°9113015.16.7
Aug24° / 13°7410.2013.97.1
Sep20° / 598.5012.36.5
Oct14° / 517.80.910.74.4
Nov / 428.14.29.31.3
Dec / -5°438.56.78.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26238
36238
46139
56139
66139
76040
86040
96040
105941
115941
125842
135743
145743
155743
165644
175545
185446
195446
205446
215347
225248
235149
245248
255149
265149
275149
285050
295050
305050

Chance of precipitation in September

Any precipitation

Brasov gets around 59 mm of rain over 8.5 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 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
131
231
330
429
529
628
727
827
926
1026
1126
1226
1326
1426
1527
1627
1727
1828
1928
2029
2129
2229
2329
2429
2529
2629
2729
2828
2928
3028

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
173252
276231
378211
480191
582171
685150
786140
887130
988120
1089110
1190100
1290100
139190
149190
159190
169280
179280
189280
199280
209280
219280
229370
239370
249370
259370
269460
279460
289460
299550
309550

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 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over September. Sunrise moves from 5:43 AM to 6:20 AM, and sunset from 6:51 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:436:51
213.15:456:49
313.05:466:47
413.05:476:45
512.95:486:43
612.95:506:41
712.85:516:39
812.85:526:37
912.75:546:35
1012.65:556:33
1112.65:566:31
1212.55:576:29
1312.55:596:27
1412.46:006:25
1512.46:016:23
1612.36:026:21
1712.36:046:19
1812.26:056:17
1912.26:066:15
2012.16:086:13
2112.06:096:11
2212.06:106:09
2311.96:116:07
2411.96:136:05
2511.86:146:03
2611.86:156:01
2711.76:175:59
2811.76:185:57
2911.66:195:55
3011.56:205:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.75 kWh/m².

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 5.75 kWh/m² in June across the year — September's 3.75 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.3Bright
54.3Bright
64.2Bright
74.2Bright
84.1Bright
94.1Bright
104.0Bright
114.0Bright
124.0Moderate
133.9Moderate
143.9Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Brasov?

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

6.5
Sightseeing
3rd-best month of the year
3.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Brasov for sightseeing.

What to pack for Brasov in September

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

In September, Brasov sees daytime highs around 20°C and nights near 9°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Brasov 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 Brasov peaks around July 17 at about 9 (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 highHighModerateLowJul 17UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Brasov 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 Brasov is worst in April — around 21 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Brasov's WHO annual average of 17.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1721 µg/m³Dec 1411 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun21Moderate
Jul21Moderate
Aug19Moderate
Sep15Moderate
Oct12Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Brasov?

Brasov sits at 45.6°N, 25.6°E, 573 m above sea level, in Romania. The nearest listed city is Săcele, 9.0 km away.

BreazaFăgăraș

Topography around Brasov

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

Within 3 km, the terrain around Brasov has significant variations in elevation — a maximum elevation change of 408 m around an average of 613 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,341 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,345 m.

The land around Brasov is covered by artificial surfaces (55%) and trees (35%) within 3 km, trees (39%) and cropland (38%) within 16 km, and trees (64%) and grassland (23%) within 80 km.

3 km
408 m
16 km
1,341 m
80 km
2,345 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Săcele 9.0 km · Codlea 13 km · Râşnov 14 km · Zărnești 24 km · Sfântu Gheorghe 28 km · Sinaia 33 km · Breaza 52 km · Făgăraș 54 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 Brasov (45.6486°, 25.6061°, elevation 573 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).