Silistra weather in September

In September, Silistra sees average daytime highs of 24°C and overnight lows near 14°C, with 51 mm of rain across 5.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 22°C by the end. The sky is clear or mostly clear about 50% 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 36 min by month's end. Set against the rest of the year, September is Silistra's 3rd-clearest and 7th-windiest month. For the whole year in context, see Silistra's year-round climate.

Daytime high
24°
4th warmest
Overnight low
14°
9th coldest
Rainfall
51 mm
5.9 wet days
Daylight
12 h 18 min
5:56 AM – 6:14 PM
Cloud cover
44%
3rd clearest
Wind
11 km/h
7th windiest
Solar energy
4.13 kWh/m²
Travel score
7.7
out of 10

Silistra is city in Silistra municipality, Silistra oblast, Bulgaria.

Density
1,086/km²
people per km²

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 26°C in the first days to 22°C by the end.

A typical September day in Silistra reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°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)
12716
22716
32615
42615
52615
62615
72615
82515
92515
102514
112514
122514
132514
142414
152414
162414
172414
182413
192313
202313
212313
222313
232313
242213
252213
262212
272212
282212
292112
302112

How September really feels in Silistra

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.

Silistra weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°457.24.79.10.0
Feb / -1°396.53.510.20.6
Mar11° / 498.82.311.62.8
Apr17° / 488.90.213.25.4
May22° / 12°579.5014.56.8
Jun27° / 16°6210015.26.8
Jul29° / 18°5080156.2
Aug29° / 18°375.7013.86.5
Sep24° / 14°515.9012.37.7
Oct18° / 496.50.110.86.1
Nov11° / 456.41.39.42.9
Dec / -1°467.53.48.80.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27624
37525
47525
57525
67426
77426
87426
97228
107228
117228
127129
137129
146931
156931
166931
176733
186733
196535
206436
216238
226238
236139
246040
255941
265842
275743
285743
295644
305545

Chance of precipitation in September

Any precipitation

Silistra gets around 51 mm of rain over 5.9 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 19% and peaks near 22% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
120
219
319
419
518
618
718
817
917
1017
1117
1217
1317
1417
1518
1618
1718
1819
1919
2020
2120
2220
2321
2421
2521
2621
2721
2821
2921
3022

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 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13239255
23439234
33639213
43839203
54039192
64139182
74339171
84439161
94539151
104639141
114739141
124838131
134938121
145037121
155136121
165335111
175434111
185533111
195632111
205731111
215830111
225929111
236127111
246226111
256325111
266424111
276523111
286622111
296622111
306721111

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over September. Sunrise moves from 5:39 AM to 6:13 AM, and sunset from 6:43 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:396:43
213.05:406:41
313.05:416:39
412.95:426:37
512.95:436:35
612.85:446:33
712.85:466:32
812.75:476:30
912.75:486:28
1012.65:496:26
1112.65:506:24
1212.55:526:22
1312.55:536:20
1412.45:546:18
1512.45:556:16
1612.35:566:14
1712.25:576:12
1812.25:596:10
1912.16:006:08
2012.16:016:07
2112.06:026:05
2212.06:036:03
2311.96:056:01
2411.96:065:59
2511.86:075:57
2611.86:085:55
2711.76:095:53
2811.76:115:51
2911.66:125:49
3011.66:135:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.13 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 6.32 kWh/m² in July across the year — September's 4.13 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.6Bright
84.5Bright
94.5Bright
104.5Bright
114.4Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.3Moderate
Planning a trip in September

Is September a good time to visit Silistra?

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

7.7
Sightseeing
1st-best month of the year
6.4
Beach & pool
4th-best month of the year

September is one of the better times to visit Silistra for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Silistra in September

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

In September, Silistra sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Silistra 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 Silistra peaks around July 19 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 19UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr7Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Silistra?

Silistra sits at 44.1°N, 27.3°E, 25 m above sea level, in Bulgaria. The nearest listed city is Olteniţa, 50 km away.

OlteniţaFeteştiFetești-GarăCernavodăDobrichMedgidia

Topography around Silistra

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

Within 3 km, the terrain around Silistra has only modest variations in elevation — a maximum elevation change of 129 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, significant variations in elevation — a maximum elevation change of 511 m.

The land around Silistra is covered by trees (30%) and cropland (24%) within 3 km, cropland (61%) within 16 km, and cropland (73%) within 80 km.

3 km
129 m
16 km
177 m
80 km
511 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Olteniţa 50 km · Slobozia 50 km · Feteşti 54 km · Fetești-Gară 56 km · Cernavodă 66 km · Dobrich 77 km · Medgidia 83 km · Urziceni 83 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Silistra (44.1171°, 27.2606°, elevation 25 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).