Zărnești weather in September

In September, Zărnești sees average daytime highs of 17°C and overnight lows near 8°C, with 75 mm of precipitation across 10.8 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 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 31% 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 Zărnești's 3rd-clearest and 6th-windiest month. For the whole year in context, see Zărnești's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Precipitation
75 mm
10.8 wet days
Daylight
12 h 18 min
6:04 AM – 6:23 PM
Cloud cover
57%
3rd clearest
Wind
6 km/h
6th windiest
Solar energy
3.75 kWh/m²
Travel score
5.5
out of 10

Zărnești is locality in Brașov County, Romania.

Founded
1367

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 19°C in the first days to 15°C by the end.

A typical September day in Zărnești reaches about 17°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12010
2209
3199
4199
5199
6199
7199
8198
9188
10188
11188
12188
13188
14188
15188
16178
17177
18177
19177
20177
21177
22167
23167
24167
25166
26166
27156
28156
29156
30156

How September really feels in Zărnești

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.

Zărnești 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-1° / -8°388.38.98.90.0
Feb / -7°388.17.910.10.0
Mar / -3°5711.37.911.60.3
Apr11° / 8515.23.313.32.4
May16° / 12818.90.414.74.0
Jun20° / 10°13418.7015.45.0
Jul22° / 12°13117.4015.15.6
Aug22° / 12°11315.3013.96.0
Sep17° / 7510.80.112.35.5
Oct12° / 578.61.510.73.3
Nov / -1°488.34.79.30.7
Dec / -6°458.47.48.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25644
35545
45644
55545
65545
75545
85545
95446
105446
115446
125347
135347
145248
155149
165248
175149
185050
195050
204951
214951
224852
234753
244753
254654
264654
274753
284654
294654
304753

Chance of precipitation in September

Any precipitationSnow

Zărnești gets around 75 mm of rain and snow over 10.8 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 44% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1440
2430
3420
4410
5400
6380
7370
8370
9360
10350
11350
12350
13350
14350
15350
16350
17350
18360
19360
20360
21360
22350
23350
24350
25341
26341
27331
28331
29321
30312

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
18515
28713
38911
4919
5928
6937
7946
8955
9964
10973
11973
12973
13982
14982
15982
16982
17982
18982
19982
20982
21982
22973
23973
24973
25973
26973
27973
28982
29982
30982

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:45 AM to 6:22 AM, and sunset from 6:52 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:456:52
213.15:466:50
313.05:476:48
413.05:486:46
512.95:506:44
612.95:516:42
712.85:526:41
812.85:536:39
912.75:556:37
1012.65:566:35
1112.65:576:33
1212.55:596:31
1312.56:006:29
1412.46:016:27
1512.46:026:25
1612.36:046:23
1712.36:056:20
1812.26:066:18
1912.26:076:16
2012.16:096:14
2112.06:106:12
2212.06:116:10
2311.96:136:08
2411.96:146:06
2511.86:156:04
2611.86:166:02
2711.76:186:00
2811.76:195:58
2911.66:205:56
3011.56:225:54

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 1.3 kWh/m² to a high of 5.69 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
223.4Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Hazard calendar for Zărnești

In seasonPeak

In September, Zărnești sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Zărnești's rainy season runs April–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Zărnești?

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

5.5
Sightseeing
3rd-best month of the year
1.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Zărnești for sightseeing.

What to pack for Zărnești in September

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

In September, Zărnești sees daytime highs around 17°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Zărnești 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 Zărnești peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highModerateLowJul 18UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Zărnești?

Zărnești sits at 45.6°N, 25.3°E, 716 m above sea level, in Romania. The nearest listed city is Râşnov, 11 km away.

FăgărașSfântu GheorgheBreaza

Topography around Zărnești

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

Within 3 km, the terrain around Zărnești has large variations in elevation — a maximum elevation change of 919 m around an average of 818 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,917 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,298 m.

The land around Zărnești is covered by trees (54%) and grassland (30%) within 3 km, trees (69%) and grassland (23%) within 16 km, and trees (62%) and grassland (25%) within 80 km.

3 km
919 m
16 km
1,917 m
80 km
2,298 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Râşnov 11 km · Codlea 19 km · Brasov 24 km · Sinaia 30 km · Săcele 31 km · Făgăraș 42 km · Sfântu Gheorghe 50 km · Breaza 50 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 Zărnești (45.5609°, 25.3179°, elevation 716 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).