Târgu Secuiesc weather in September

In September, Târgu Secuiesc sees average daytime highs of 18°C and overnight lows near 8°C, with 54 mm of precipitation across 9.2 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 20°C in the first days to 16°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 Târgu Secuiesc's 3rd-clearest and 8th-windiest month. For the whole year in context, see Târgu Secuiesc's year-round climate.

Daytime high
18°
4th warmest
Overnight low
9th coldest
Precipitation
54 mm
9.2 wet days
Daylight
12 h 18 min
6:00 AM – 6:19 PM
Cloud cover
57%
3rd clearest
Wind
8 km/h
8th windiest
Solar energy
3.73 kWh/m²
Travel score
5.8
out of 10

Târgu Secuiesc is locality in Covasna County, Romania.

Founded
1407

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 20°C in the first days to 16°C by the end.

A typical September day in Târgu Secuiesc reaches about 18°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 24°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)
12110
22010
3209
4209
5209
6209
7199
8199
9198
10198
11198
12198
13188
14188
15188
16187
17187
18187
19177
20177
21177
22177
23177
24166
25166
26166
27166
28166
29166
30156

How September really feels in Târgu Secuiesc

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.

Târgu Secuiesc 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°327.47.78.90.0
Feb / -7°316.87100.0
Mar / -3°5210.57.611.60.5
Apr12° / 72132.713.32.8
May17° / 98150.414.74.8
Jun21° / 11°11416.3015.55.4
Jul23° / 12°10314.3015.26.2
Aug23° / 12°7711.50146.8
Sep18° / 549.20.112.35.8
Oct12° / 477.71.410.73.5
Nov / -1°346.84.49.20.7
Dec-0° / -6°387.678.50.0

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 18% of September, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25545
35446
45347
55347
65149
75149
85050
95050
105050
115050
124951
134852
144852
154852
164852
174852
184852
194654
204654
214654
224654
234654
244654
254654
264555
274555
284654
294654
304654

Chance of precipitation in September

Any precipitationSnow

Târgu Secuiesc gets around 54 mm of rain and snow over 9.2 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 30% and peaks near 37% 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 (%)
1370
2370
3360
4350
5350
6340
7330
8330
9320
10310
11310
12300
13300
14290
15290
16290
17280
18280
19280
20280
21280
22280
23281
24281
25281
26281
27281
28271
29272
30272

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
182171
285150
386140
488120
590100
69190
79280
89370
99460
109550
119550
129640
139640
149640
159640
169640
179640
189640
199640
209640
219640
229640
239640
249640
259640
269640
279730
289730
299730
309730

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:41 AM to 6:19 AM, and sunset from 6:49 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:416:49
213.15:426:48
313.05:436:46
413.05:456:44
512.95:466:42
612.95:476:40
712.85:496:38
812.85:506:36
912.75:516:34
1012.75:526:32
1112.65:546:30
1212.55:556:28
1312.55:566:26
1412.45:586:23
1512.45:596:21
1612.36:006:19
1712.36:016:17
1812.26:036:15
1912.26:046:13
2012.16:056:11
2112.06:076:09
2212.06:086:07
2311.96:096:05
2411.96:116:03
2511.86:126:01
2611.86:135:59
2711.76:155:57
2811.76:165:55
2911.66:175:53
3011.56:195:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.73 kWh/m².

For context, solar energy here swings from a low near 1.17 kWh/m² to a high of 5.75 kWh/m² in June across the year — September's 3.73 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
114.0Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.4Moderate
233.4Moderate
243.3Moderate
253.3Moderate
263.2Moderate
273.2Moderate
283.1Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Hazard calendar for Târgu Secuiesc

In seasonPeak

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

Târgu Secuiesc's rainy season runs March–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 Târgu Secuiesc?

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

5.8
Sightseeing
3rd-best month of the year
2.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Târgu Secuiesc for sightseeing.

What to pack for Târgu Secuiesc in September

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

In September, Târgu Secuiesc sees daytime highs around 18°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Târgu Secuiesc 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 Târgu Secuiesc 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highModerateLowJul 17UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Târgu Secuiesc?

Târgu Secuiesc sits at 46.0°N, 26.1°E, 571 m above sea level, in Romania. The nearest listed city is Sfântu Gheorghe, 31 km away.

Miercurea-CiucComăneştiSăceleBrasovMoineştiCodleaRâşnov

Topography around Târgu Secuiesc

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

Within 3 km, the terrain around Târgu Secuiesc has only modest variations in elevation — a maximum elevation change of 36 m around an average of 564 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 771 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,382 m.

The land around Târgu Secuiesc is covered by cropland (85%) within 3 km, cropland (46%) and trees (38%) within 16 km, and trees (64%) and grassland (22%) within 80 km.

3 km
36 m
16 km
771 m
80 km
2,382 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Sfântu Gheorghe 31 km · Miercurea-Ciuc 47 km · Comăneşti 52 km · Săcele 54 km · Brasov 57 km · Moineşti 60 km · Codlea 63 km · Râşnov 70 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 Târgu Secuiesc (46°, 26.1333°, elevation 571 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).