Ulyanovsk weather in September

In September, Ulyanovsk sees average daytime highs of 17°C and overnight lows near 9°C, with 53 mm of rain across 8.9 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 14°C by the end. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Ulyanovsk's 6th-clearest and 7th-windiest month. For the whole year in context, see Ulyanovsk's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Rainfall
53 mm
8.9 wet days
Daylight
12 h 24 min
5:28 AM – 5:54 PM
Cloud cover
67%
6th clearest
Wind
13 km/h
7th windiest
Solar energy
2.94 kWh/m²
Travel score
5.3
out of 10

Ulyanovsk is city in Ulyanovsk Oblast, Russia.

Density
1,977/km²
people per km²
Founded
1648

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 14°C by the end.

A typical September day in Ulyanovsk reaches about 17°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 23°C. Set against its neighbours, September runs about 6°C cooler than August and about 8°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42011
51911
61911
71911
81911
91910
101810
111810
121810
131810
14179
15179
16179
17179
18169
19168
20168
21168
22158
23158
24157
25157
26147
27147
28147
29146
30136

How September really feels in Ulyanovsk

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.

Ulyanovsk weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -12°308.69.67.70.0
Feb-7° / -13°257.27.69.30.0
Mar-0° / -7°307.56.811.50.0
Apr10° / 387.51.713.72.3
May19° / 448.80.115.76.1
Jun23° / 14°6210.3016.86.7
Jul25° / 16°599.8016.47.0
Aug23° / 14°579.3014.77.0
Sep17° / 538.9012.55.3
Oct / 489.71.510.21.7
Nov / -4°358.25.88.20.0
Dec-5° / -10°3299.87.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24258
34258
44258
54060
63961
73961
83961
93961
103862
113862
123664
133664
143664
153664
163763
173763
183664
193664
203664
213664
223565
233466
243466
253466
263268
273268
283169
293169
303169

Chance of precipitation in September

Any precipitation

Ulyanovsk gets around 53 mm of rain over 8.9 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 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
528
628
728
828
929
1029
1129
1230
1330
1430
1531
1631
1731
1831
1931
2031
2131
2231
2331
2431
2531
2631
2730
2830
2930
3030

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
176195
278184
379174
481163
582153
684142
785132
886122
988111
1089101
119091
129280
139280
149370
159460
169550
179640
189640
199730
209730
219820
229820
239820
249910
259910
269910
279910
289910
299910
309910

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 30 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over September. Sunrise moves from 5:00 AM to 5:54 AM, and sunset from 6:32 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:006:32
213.55:026:30
313.45:046:27
413.35:056:25
513.25:076:22
613.25:096:20
713.15:116:17
813.05:136:15
913.05:156:12
1012.95:176:09
1112.85:196:07
1212.75:206:04
1312.75:226:02
1412.65:245:59
1512.55:265:56
1612.45:285:54
1712.45:305:51
1812.35:325:48
1912.25:335:46
2012.15:355:43
2112.15:375:41
2212.05:395:38
2311.95:415:35
2411.85:435:33
2511.85:455:30
2611.75:475:28
2711.65:495:25
2811.55:505:22
2911.55:525:20
3011.45:545:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.94 kWh/m².

For context, solar energy here swings from a low near 0.49 kWh/m² to a high of 5.88 kWh/m² in June across the year — September's 2.94 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.6Moderate
33.6Moderate
43.5Moderate
53.5Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.2Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
162.9Moderate
172.9Moderate
182.8Moderate
192.8Moderate
202.7Moderate
212.7Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Ulyanovsk?

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

5.3
Sightseeing
5th-best month of the year
1.4
Beach & pool
5th-best month of the year

September is a reasonable time to visit Ulyanovsk for sightseeing.

What to pack for Ulyanovsk in September

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

In September, Ulyanovsk sees daytime highs around 17°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Ulyanovsk in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ulyanovsk peaks around June 21 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 21UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May4Moderate
Jun6High
Jul6High
Aug4Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Ulyanovsk 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 Ulyanovsk is worst in March — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2315 µg/m³Dec 187 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar15Moderate
Apr14Moderate
May7Good
Jun8Good
Jul12Moderate
Aug10Good
Sep8Good
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is Ulyanovsk?

Ulyanovsk sits at 54.3°N, 48.4°E, 176 m above sea level, in Russia. The nearest listed city is Novoul’yanovsk, 20 km away.

Topography around Ulyanovsk

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

Within 3 km, the terrain around Ulyanovsk has only modest variations in elevation — a maximum elevation change of 174 m around an average of 129 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 200 m; within 80 km, significant variations in elevation — a maximum elevation change of 315 m.

The land around Ulyanovsk is covered by artificial surfaces (45%) and trees (33%) within 3 km, water (35%) and trees (20%) within 16 km, and cropland (47%) and trees (24%) within 80 km.

3 km
174 m
16 km
200 m
80 km
315 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Novoul’yanovsk 20 km · Buinsk 72 km · Dimitrovgrad 81 km · Tolyatti 109 km · Barysh 112 km · Zhigulëvsk 127 km · Alatyr’ 130 km · Syzran 130 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Ulyanovsk (54.3282°, 48.3866°, elevation 176 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).