Tulun weather in September

In September, Tulun sees average daytime highs of 14°C and overnight lows near 3°C, with 56 mm of precipitation across 11 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 17°C in the first days to 11°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 36 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Tulun's 3rd-clearest and 4th-windiest month. For the whole year in context, see Tulun's year-round climate.

Daytime high: 14°; 5th warmest
Overnight low: 3°; 9th coldest
Precipitation: 56 mm; 11 wet days
Daylight: 12 h 24 min; 6:59 AM – 7:25 PM
Cloud cover: 67%; 3rd clearest
Wind: 9 km/h; 4th windiest
Solar energy: 3.22 kWh/m²
Travel score: 3.9; out of 10

Tulun is town in Irkutsk Oblast, Russia.

Density: 383/km²; people per km²
Founded: 1735

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Tulun year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 11°C by the end.

A typical September day in Tulun reaches about 14°C in the afternoon and slips back to 3°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 21°C. Set against its neighbours, September runs about 7°C cooler than August and about 9°C warmer than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	18	18	17	17	17	17	16	16	16	16	15	15	15	14	14	14	14	13	13	13	13	12	12	12	11	11	11	11	10	10
Avg low (°C)	7	7	7	6	6	6	6	5	5	5	4	4	4	4	3	3	3	3	2	2	2	2	1	1	1	1	0	0	0	0

	Avg high (°C)	Avg low (°C)
1	18	7
2	18	7
3	17	7
4	17	6
5	17	6
6	17	6
7	16	6
8	16	5
9	16	5
10	16	5
11	15	4
12	15	4
13	15	4
14	14	4
15	14	3
16	14	3
17	14	3
18	13	3
19	13	2
20	13	2
21	13	2
22	12	2
23	12	1
24	12	1
25	11	1
26	11	1
27	11	0
28	11	0
29	10	0
30	10	0

How September really feels in Tulun

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 13 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in September is cold — wind chill drags the overnight "feels like" below the raw low.

Tulun 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-16° / -25°	7	2.7	4.4	7.6	0.0
Feb	-10° / -22°	7	2.6	4.7	9.3	0.0
Mar	-1° / -14°	12	4	5	11.5	0.0
Apr	8° / -3°	24	6.9	3.8	13.7	1.5
May	16° / 3°	45	10.9	1.4	15.8	4.8
Jun	22° / 10°	72	12	0	16.9	6.2
Jul	24° / 13°	77	12.5	0	16.4	6.5
Aug	21° / 10°	82	12.7	0	14.7	6.0
Sep	14° / 3°	56	11	0.8	12.5	3.9
Oct	5° / -4°	27	7.7	4.1	10.2	0.6
Nov	-6° / -14°	17	5.9	7.5	8.2	0.0
Dec	-14° / -22°	14	4.7	7.2	7.1	0.0

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 17% of September, with mostly cloudy or overcast conditions the remaining 63%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	38	38	37	37	38	38	38	37	38	38	38	37	38	38	37	38	37	37	36	36	36	35	36	36	36	36	36	36	36	36
Cloudier (%)	62	62	63	63	62	62	62	63	62	62	62	63	62	62	63	62	63	63	64	64	64	65	64	64	64	64	64	64	64	64

	Clearer (%)	Cloudier (%)
1	38	62
2	38	62
3	37	63
4	37	63
5	38	62
6	38	62
7	38	62
8	37	63
9	38	62
10	38	62
11	38	62
12	37	63
13	38	62
14	38	62
15	37	63
16	38	62
17	37	63
18	37	63
19	36	64
20	36	64
21	36	64
22	35	65
23	36	64
24	36	64
25	36	64
26	36	64
27	36	64
28	36	64
29	36	64
30	36	64

Chance of precipitation in September

Any precipitationSnow

Tulun gets around 56 mm of rain and snow over 11 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 42% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	42	42	42	41	41	40	40	40	39	38	38	37	37	36	36	35	35	35	34	34	34	33	33	32	32	31	31	31	30	29
Snow chance (%)	0	0	0	0	0	1	1	1	1	1	2	2	2	2	2	2	3	3	3	3	4	4	4	4	4	5	5	5	5	5

	Rain chance (%)	Snow chance (%)
1	42	0
2	42	0
3	42	0
4	41	0
5	41	0
6	40	1
7	40	1
8	40	1
9	39	1
10	38	1
11	38	2
12	37	2
13	37	2
14	36	2
15	36	2
16	35	2
17	35	3
18	35	3
19	34	3
20	34	3
21	34	4
22	33	4
23	33	4
24	32	4
25	32	4
26	31	5
27	31	5
28	31	5
29	30	5
30	29	5

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	96	97	98	98	98	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	4	3	2	2	2	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	96	4
2	97	3
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	9	calm
26	9	calm
27	9	calm
28	9	calm
29	9	calm
30	9	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 36 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 132 minutes over September. Sunrise moves from 6:31 AM to 7:26 AM, and sunset from 8:04 PM to 6:48 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	13.6	13.5	13.4	13.3	13.3	13.2	13.1	13.0	13.0	12.9	12.8	12.7	12.7	12.6	12.5	12.4	12.4	12.3	12.2	12.1	12.1	12.0	11.9	11.8	11.8	11.7	11.6	11.5	11.5	11.4
Sunrise (AM)	6:31	6:33	6:34	6:36	6:38	6:40	6:42	6:44	6:46	6:48	6:50	6:51	6:53	6:55	6:57	6:59	7:01	7:03	7:05	7:07	7:08	7:10	7:12	7:14	7:16	7:18	7:20	7:22	7:24	7:26
Sunset (PM)	8:04	8:02	7:59	7:56	7:54	7:51	7:49	7:46	7:43	7:41	7:38	7:36	7:33	7:30	7:28	7:25	7:22	7:20	7:17	7:15	7:12	7:09	7:07	7:04	7:01	6:59	6:56	6:54	6:51	6:48

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.6	6:31	8:04
2	13.5	6:33	8:02
3	13.4	6:34	7:59
4	13.3	6:36	7:56
5	13.3	6:38	7:54
6	13.2	6:40	7:51
7	13.1	6:42	7:49
8	13.0	6:44	7:46
9	13.0	6:46	7:43
10	12.9	6:48	7:41
11	12.8	6:50	7:38
12	12.7	6:51	7:36
13	12.7	6:53	7:33
14	12.6	6:55	7:30
15	12.5	6:57	7:28
16	12.4	6:59	7:25
17	12.4	7:01	7:22
18	12.3	7:03	7:20
19	12.2	7:05	7:17
20	12.1	7:07	7:15
21	12.1	7:08	7:12
22	12.0	7:10	7:09
23	11.9	7:12	7:07
24	11.8	7:14	7:04
25	11.8	7:16	7:01
26	11.7	7:18	6:59
27	11.6	7:20	6:56
28	11.5	7:22	6:54
29	11.5	7:24	6:51
30	11.4	7:26	6:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.22 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 6 kWh/m² in June across the year — September's 3.22 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	3.9	3.8	3.8	3.7	3.7	3.6	3.6	3.5	3.5	3.5	3.4	3.4	3.3	3.3	3.2	3.2	3.1	3.1	3.1	3.0	3.0	2.9	2.9	2.9	2.8	2.8	2.7	2.7	2.6	2.6
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.9	Moderate
2	3.8	Moderate
3	3.8	Moderate
4	3.7	Moderate
5	3.7	Moderate
6	3.6	Moderate
7	3.6	Moderate
8	3.5	Moderate
9	3.5	Moderate
10	3.5	Moderate
11	3.4	Moderate
12	3.4	Moderate
13	3.3	Moderate
14	3.3	Moderate
15	3.2	Moderate
16	3.2	Moderate
17	3.1	Moderate
18	3.1	Moderate
19	3.1	Moderate
20	3.0	Moderate
21	3.0	Moderate
22	2.9	Moderate
23	2.9	Moderate
24	2.9	Moderate
25	2.8	Moderate
26	2.8	Moderate
27	2.7	Moderate
28	2.7	Moderate
29	2.6	Moderate
30	2.6	Moderate

Planning a trip in September

Is September a good time to visit Tulun?

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

3.9

Sightseeing

5th-best month of the year

0.4

Beach & pool

5th-best month of the year

September is a weaker month for outdoor sightseeing in Tulun.

What to pack for Tulun in September

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

In September, Tulun sees daytime highs around 14°C and nights near 3°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Tulun in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tulun 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 19 at about 0 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	2	4	5	6	6	5	3	2	1	0
Level	Low	Low	Low	Moderate	High	High	High	High	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	2	Low
Apr	4	Moderate
May	5	High
Jun	6	High
Jul	6	High
Aug	5	High
Sep	3	Moderate
Oct	2	Low
Nov	1	Low
Dec	0	Low

Air quality in Tulun 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 Tulun is worst in May — around 17 µg/m³ PM2.5 (moderate), about 9.7× the cleanest month (December, 2 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	4	5	6	16	17	12	15	13	8	9	4	2
Level	Good	Good	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	4	Good
Feb	5	Good
Mar	6	Good
Apr	16	Moderate
May	17	Moderate
Jun	12	Moderate
Jul	15	Moderate
Aug	13	Moderate
Sep	8	Good
Oct	9	Good
Nov	4	Good
Dec	2	Good

Location & terrain

Where is Tulun?

Tulun sits at 54.6°N, 100.6°E, 484 m above sea level, in Russia. The nearest listed city is Nizhneudinsk, 106 km away.

Topography around Tulun

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

Within 3 km, the terrain around Tulun has only modest variations in elevation — a maximum elevation change of 96 m around an average of 485 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 224 m; within 80 km, significant variations in elevation — a maximum elevation change of 433 m.

The land around Tulun is covered by trees (42%), grassland (27%) and artificial surfaces (20%) within 3 km, trees (47%), grassland (28%) and cropland (20%) within 16 km, and trees (74%) within 80 km.

3 km

96 m

trees 42%

16 km

224 m

trees 47%

80 km

433 m

trees 74%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← August Tulun year-round climate October →Best places to visit in September

September weather nearby: Nizhneudinsk 106 km · Sayansk 115 km · Zima 119 km · Vikhorevka 177 km · Chunskiy 180 km · Bratsk 186 km · Tayshet 223 km · Cheremkhovo 228 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

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 Tulun (54.5676°, 100.5766°, elevation 484 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).

	Avg high (°C)	Avg low (°C)
1	18	7
2	18	7
3	17	7
4	17	6
5	17	6
6	17	6
7	16	6
8	16	5
9	16	5
10	16	5
11	15	4
12	15	4
13	15	4
14	14	4
15	14	3
16	14	3
17	14	3
18	13	3
19	13	2
20	13	2
21	13	2
22	12	2
23	12	1
24	12	1
25	11	1
26	11	1
27	11	0
28	11	0
29	10	0
30	10	0

	Clearer (%)	Cloudier (%)
1	38	62
2	38	62
3	37	63
4	37	63
5	38	62
6	38	62
7	38	62
8	37	63
9	38	62
10	38	62
11	38	62
12	37	63
13	38	62
14	38	62
15	37	63
16	38	62
17	37	63
18	37	63
19	36	64
20	36	64
21	36	64
22	35	65
23	36	64
24	36	64
25	36	64
26	36	64
27	36	64
28	36	64
29	36	64
30	36	64

	Rain chance (%)	Snow chance (%)
1	42	0
2	42	0
3	42	0
4	41	0
5	41	0
6	40	1
7	40	1
8	40	1
9	39	1
10	38	1
11	38	2
12	37	2
13	37	2
14	36	2
15	36	2
16	35	2
17	35	3
18	35	3
19	34	3
20	34	3
21	34	4
22	33	4
23	33	4
24	32	4
25	32	4
26	31	5
27	31	5
28	31	5
29	30	5
30	29	5

	Dry (%)	Comfortable (%)
1	96	4
2	97	3
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

	Avg high (°C)	Avg low (°C)
1	18	7
2	18	7
3	17	7
4	17	6
5	17	6
6	17	6
7	16	6
8	16	5
9	16	5
10	16	5
11	15	4
12	15	4
13	15	4
14	14	4
15	14	3
16	14	3
17	14	3
18	13	3
19	13	2
20	13	2
21	13	2
22	12	2
23	12	1
24	12	1
25	11	1
26	11	1
27	11	0
28	11	0
29	10	0
30	10	0

	Clearer (%)	Cloudier (%)
1	38	62
2	38	62
3	37	63
4	37	63
5	38	62
6	38	62
7	38	62
8	37	63
9	38	62
10	38	62
11	38	62
12	37	63
13	38	62
14	38	62
15	37	63
16	38	62
17	37	63
18	37	63
19	36	64
20	36	64
21	36	64
22	35	65
23	36	64
24	36	64
25	36	64
26	36	64
27	36	64
28	36	64
29	36	64
30	36	64

	Rain chance (%)	Snow chance (%)
1	42	0
2	42	0
3	42	0
4	41	0
5	41	0
6	40	1
7	40	1
8	40	1
9	39	1
10	38	1
11	38	2
12	37	2
13	37	2
14	36	2
15	36	2
16	35	2
17	35	3
18	35	3
19	34	3
20	34	3
21	34	4
22	33	4
23	33	4
24	32	4
25	32	4
26	31	5
27	31	5
28	31	5
29	30	5
30	29	5

	Dry (%)	Comfortable (%)
1	96	4
2	97	3
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

	Avg high (°C)	Avg low (°C)
1	18	7
2	18	7
3	17	7
4	17	6
5	17	6
6	17	6
7	16	6
8	16	5
9	16	5
10	16	5
11	15	4
12	15	4
13	15	4
14	14	4
15	14	3
16	14	3
17	14	3
18	13	3
19	13	2
20	13	2
21	13	2
22	12	2
23	12	1
24	12	1
25	11	1
26	11	1
27	11	0
28	11	0
29	10	0
30	10	0

	Clearer (%)	Cloudier (%)
1	38	62
2	38	62
3	37	63
4	37	63
5	38	62
6	38	62
7	38	62
8	37	63
9	38	62
10	38	62
11	38	62
12	37	63
13	38	62
14	38	62
15	37	63
16	38	62
17	37	63
18	37	63
19	36	64
20	36	64
21	36	64
22	35	65
23	36	64
24	36	64
25	36	64
26	36	64
27	36	64
28	36	64
29	36	64
30	36	64

	Rain chance (%)	Snow chance (%)
1	42	0
2	42	0
3	42	0
4	41	0
5	41	0
6	40	1
7	40	1
8	40	1
9	39	1
10	38	1
11	38	2
12	37	2
13	37	2
14	36	2
15	36	2
16	35	2
17	35	3
18	35	3
19	34	3
20	34	3
21	34	4
22	33	4
23	33	4
24	32	4
25	32	4
26	31	5
27	31	5
28	31	5
29	30	5
30	29	5

	Dry (%)	Comfortable (%)
1	96	4
2	97	3
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0