Sel’tso weather in September

In September, Sel’tso sees average daytime highs of 17°C and overnight lows near 8°C, with 55 mm of precipitation across 9.2 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 5th-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 20% 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 Sel’tso's 5th-clearest and 8th-windiest month. For the whole year in context, see Sel’tso's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
55 mm
9.2 wet days
Daylight
12 h 24 min
6:25 AM – 6:50 PM
Cloud cover
68%
5th clearest
Wind
13 km/h
8th windiest
Solar energy
2.91 kWh/m²
Travel score
5.3
out of 10

Sel’tso is town in Bryansk Oblast, Russia.

Density
551/km²
people per km²
Founded
1870

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 Sel’tso reaches about 17°C in the afternoon and slips back to 8°C overnight — a 9°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 6°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12011
22010
32010
42010
51910
61910
71910
8199
9199
10189
11189
12189
13189
14188
15178
16178
17178
18178
19167
20167
21167
22167
23167
24157
25156
26156
27156
28146
29146
30146

How September really feels in Sel’tso

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.

Sel’tso weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -8°3710.110.37.80.0
Feb-2° / -8°359.48.89.40.0
Mar / -4°3796.311.50.1
Apr12° / 439.71.113.73.1
May19° / 6311.4015.65.8
Jun22° / 13°7211.4016.66.3
Jul24° / 14°8613.7016.26.4
Aug23° / 13°6210.1014.66.8
Sep17° / 559.20.112.55.3
Oct10° / 5510.61.110.32.1
Nov / -2°459.34.28.40.0
Dec-2° / -6°429.79.17.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23565
33466
43466
53466
63466
73466
83466
93466
103466
113466
123466
133466
143466
153565
163565
173466
183565
193466
203466
213466
223466
233367
243367
253367
263268
273268
283169
293169
303070

Chance of precipitation in September

Any precipitation

Sel’tso gets around 55 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 31% and peaks near 34% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)
134
234
334
434
533
633
733
832
932
1032
1132
1231
1331
1430
1530
1629
1729
1828
1928
2028
2128
2228
2329
2429
2529
2629
2730
2830
2930
3031

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
177203
278202
379192
480182
582171
682171
783161
884151
985141
1086131
1189110
1290100
139190
149280
159370
169460
179550
189640
199640
209730
219730
229820
239820
249820
259910
269910
279910
289910
299910
309910

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light 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
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 5:59 AM to 6:51 AM, and sunset from 7:28 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:597:28
213.46:007:26
313.36:027:23
413.36:047:21
513.26:067:18
613.16:087:16
713.16:097:13
813.06:117:11
912.96:137:08
1012.86:157:06
1112.86:167:03
1212.76:187:01
1312.66:206:58
1412.66:226:55
1512.56:246:53
1612.46:256:50
1712.36:276:48
1812.36:296:45
1912.26:316:43
2012.16:336:40
2112.16:346:38
2212.06:366:35
2311.96:386:33
2411.86:406:30
2511.86:426:28
2611.76:436:25
2711.66:456:23
2811.56:476:20
2911.56:496:18
3011.46:516:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.91 kWh/m².

For context, solar energy here swings from a low near 0.47 kWh/m² to a high of 5.66 kWh/m² in June across the year — September's 2.91 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.3Moderate
83.3Moderate
93.2Moderate
103.2Moderate
113.1Moderate
123.1Moderate
133.0Moderate
143.0Moderate
153.0Moderate
162.9Moderate
172.9Moderate
182.8Moderate
192.8Moderate
202.7Moderate
212.7Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.4Moderate
272.4Moderate
282.3Moderate
292.3Moderate
302.2Moderate
Planning a trip in September

Is September a good time to visit Sel’tso?

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
1.5
Beach & pool
5th-best month of the year

September is a reasonable time to visit Sel’tso for sightseeing.

What to pack for Sel’tso in September

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

In September, Sel’tso sees daytime highs around 17°C and nights near 8°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Sel’tso 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 Sel’tso peaks around July 12 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May4Moderate
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Sel’tso?

Sel’tso sits at 53.4°N, 34.1°E, 157 m above sea level, in Russia. The nearest listed city is Bryansk, 18 km away.

Topography around Sel’tso

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

Within 3 km, the terrain around Sel’tso has only modest variations in elevation — a maximum elevation change of 65 m around an average of 166 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 103 m; within 80 km, only modest variations in elevation — a maximum elevation change of 181 m.

The land around Sel’tso is covered by trees (68%) within 3 km, trees (52%) and cropland (26%) within 16 km, and trees (64%) within 80 km.

3 km
65 m
16 km
103 m
80 km
181 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Bryansk 18 km · Dyat’kovo 30 km · Zhukovka 31 km · Lyudinovo 60 km · Karachev 65 km · Pochep 65 km · Kirov 79 km · Trubchevsk 90 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 Sel’tso (53.3683°, 34.1033°, elevation 157 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).