Isakogorka weather in September

In September, Isakogorka sees average daytime highs of 12°C and overnight lows near 6°C, with 65 mm of precipitation across 12 wet days and about 12.7 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 9°C by the end. The sky is clear or mostly clear about 8% of the time in September, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of September to 11 h 06 min by month's end. Set against the rest of the year, September is Isakogorka's 7th-clearest and 7th-windiest month. For the whole year in context, see Isakogorka's year-round climate.

Daytime high: 12°; 4th warmest
Overnight low: 6°; 9th coldest
Precipitation: 65 mm; 12 wet days
Daylight: 12 h 36 min; 5:52 AM – 6:31 PM
Cloud cover: 79%; 7th clearest
Wind: 11 km/h; 7th windiest
Solar energy: 1.84 kWh/m²
Travel score: 2.9; out of 10

Isakogorka is administrative division of the city of Arkhangelsk, Russia.

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

← August Isakogorka 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 15°C in the first days to 9°C by the end.

A typical September day in Isakogorka reaches about 12°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 17°C. Set against its neighbours, September runs about 6°C cooler than August and about 8°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)	15	15	15	15	14	14	14	14	14	13	13	13	13	12	12	12	12	12	11	11	11	11	11	10	10	10	10	9	9	9
Avg low (°C)	8	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6	6	5	5	5	5	5	5	5	4	4	4	4	4	4

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

How September really feels in Isakogorka

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Isakogorka weather by month

How September compares with the rest of the year at a glance. September is the 4th-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	-9° / -14°	32	9.6	11.4	4.8	0.0
Feb	-8° / -14°	24	7.9	9.5	7.9	0.0
Mar	-2° / -9°	29	8.6	9.5	11.2	0.0
Apr	5° / -4°	33	8.1	5.1	14.6	0.3
May	12° / 3°	57	11	2.1	18	3.0
Jun	18° / 8°	71	11.7	0	20.4	5.2
Jul	21° / 12°	76	12.4	0	19.3	6.0
Aug	18° / 10°	82	12.3	0	16.1	5.2
Sep	12° / 6°	65	12	0.1	12.7	2.9
Oct	5° / 0°	61	12.9	5	9.3	0.3
Nov	-2° / -6°	45	11	9.8	5.9	0.0
Dec	-6° / -11°	37	10.7	12.2	3.6	0.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 80%.

	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 (%)	23	23	23	23	23	22	22	22	21	21	20	19	19	18	18	18	18	18	17	17	18	18	18	18	19	19	19	19	19	19
Cloudier (%)	77	77	77	77	77	78	78	78	79	79	80	81	81	82	82	82	82	82	83	83	82	82	82	82	81	81	81	81	81	81

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	23	77
4	23	77
5	23	77
6	22	78
7	22	78
8	22	78
9	21	79
10	21	79
11	20	80
12	19	81
13	19	81
14	18	82
15	18	82
16	18	82
17	18	82
18	18	82
19	17	83
20	17	83
21	18	82
22	18	82
23	18	82
24	18	82
25	19	81
26	19	81
27	19	81
28	19	81
29	19	81
30	19	81

Chance of precipitation in September

Any precipitationSnow

Isakogorka gets around 65 mm of rain and snow over 12 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 40% and peaks near 42% on the wettest days, and about 0 day brings snow.

	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 (%)	38	38	38	39	39	39	40	40	40	41	41	41	41	41	41	42	42	42	42	41	41	41	40	40	40	40	40	39	39	39
Snow chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	2	2	3	3

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

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 97% 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 (%)	91	91	92	92	93	93	94	94	94	95	95	96	97	97	98	98	99	99	99	99	99	100	100	100	100	100	100	100	100	100
Comfortable (%)	9	9	8	8	7	7	6	6	6	5	5	4	3	3	2	2	1	1	1	1	1	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	91	9
2	91	9
3	92	8
4	92	8
5	93	7
6	93	7
7	94	6
8	94	6
9	94	6
10	95	5
11	95	5
12	96	4
13	97	3
14	97	3
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
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 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 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)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
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	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	12	calm
16	12	calm
17	12	calm
18	12	calm
19	12	calm
20	12	calm
21	12	calm
22	12	calm
23	12	calm
24	12	calm
25	12	calm
26	12	calm
27	12	calm
28	12	calm
29	12	calm
30	12	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 14 h 18 min at the start of September to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 192 minutes over September. Sunrise moves from 5:07 AM to 6:35 AM, and sunset from 7:27 PM to 5:39 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)	14.3	14.2	14.1	14.0	13.9	13.8	13.7	13.5	13.4	13.3	13.2	13.1	13.0	12.9	12.8	12.6	12.5	12.4	12.3	12.2	12.1	12.0	11.9	11.7	11.6	11.5	11.4	11.3	11.2	11.1
Sunrise (AM)	5:07	5:10	5:13	5:16	5:19	5:22	5:25	5:28	5:31	5:34	5:37	5:40	5:43	5:46	5:49	5:52	5:55	5:58	6:01	6:04	6:07	6:10	6:13	6:16	6:19	6:22	6:25	6:28	6:32	6:35
Sunset (PM)	7:27	7:24	7:20	7:16	7:12	7:09	7:05	7:01	6:57	6:54	6:50	6:46	6:42	6:39	6:35	6:31	6:27	6:24	6:20	6:16	6:12	6:09	6:05	6:01	5:57	5:54	5:50	5:46	5:43	5:39

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.3	5:07	7:27
2	14.2	5:10	7:24
3	14.1	5:13	7:20
4	14.0	5:16	7:16
5	13.9	5:19	7:12
6	13.8	5:22	7:09
7	13.7	5:25	7:05
8	13.5	5:28	7:01
9	13.4	5:31	6:57
10	13.3	5:34	6:54
11	13.2	5:37	6:50
12	13.1	5:40	6:46
13	13.0	5:43	6:42
14	12.9	5:46	6:39
15	12.8	5:49	6:35
16	12.6	5:52	6:31
17	12.5	5:55	6:27
18	12.4	5:58	6:24
19	12.3	6:01	6:20
20	12.2	6:04	6:16
21	12.1	6:07	6:12
22	12.0	6:10	6:09
23	11.9	6:13	6:05
24	11.7	6:16	6:01
25	11.6	6:19	5:57
26	11.5	6:22	5:54
27	11.4	6:25	5:50
28	11.3	6:28	5:46
29	11.2	6:32	5:43
30	11.1	6:35	5:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 1.84 kWh/m².

For context, solar energy here swings from a low near 0.03 kWh/m² to a high of 5.35 kWh/m² in June across the year — September's 1.84 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)	2.6	2.5	2.5	2.4	2.4	2.3	2.2	2.2	2.1	2.1	2.0	2.0	1.9	1.9	1.8	1.8	1.7	1.7	1.6	1.6	1.6	1.5	1.5	1.4	1.4	1.4	1.3	1.3	1.3	1.2
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim

	Solar energy (kWh/m²)	Level
1	2.6	Moderate
2	2.5	Moderate
3	2.5	Moderate
4	2.4	Moderate
5	2.4	Moderate
6	2.3	Moderate
7	2.2	Moderate
8	2.2	Moderate
9	2.1	Moderate
10	2.1	Moderate
11	2.0	Moderate
12	2.0	Dim
13	1.9	Dim
14	1.9	Dim
15	1.8	Dim
16	1.8	Dim
17	1.7	Dim
18	1.7	Dim
19	1.6	Dim
20	1.6	Dim
21	1.6	Dim
22	1.5	Dim
23	1.5	Dim
24	1.4	Dim
25	1.4	Dim
26	1.4	Dim
27	1.3	Dim
28	1.3	Dim
29	1.3	Dim
30	1.2	Dim

Planning a trip in September

Is September a good time to visit Isakogorka?

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

2.9

Sightseeing

5th-best month of the year

0.0

Beach & pool

4th-best month of the year

September is a weaker month for outdoor sightseeing in Isakogorka.

What to pack for Isakogorka in September

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

In September, Isakogorka sees daytime highs around 12°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Isakogorka in September

The nearest coast averages about 10°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 53 km away) is warmest in July at about 13°C and coldest in February near -1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	-1	-1	-1	0	4	9	13	13	10	6	3	0
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	-1	Bracing
Feb	-1	Bracing
Mar	-1	Bracing
Apr	0	Bracing
May	4	Bracing
Jun	9	Bracing
Jul	13	Bracing
Aug	13	Bracing
Sep	10	Bracing
Oct	6	Bracing
Nov	3	Bracing
Dec	0	Bracing

UV index in Isakogorka in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Isakogorka peaks around June 22 at about 4 (moderate) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).

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

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

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

Location & terrain

Where is Isakogorka?

Isakogorka sits at 64.4°N, 40.7°E, 15 m above sea level, in Russia. The nearest listed city is Novodvinsk, 9.0 km away.

Topography around Isakogorka

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

Within 3 km, the terrain around Isakogorka has only modest variations in elevation — a maximum elevation change of 54 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, only modest variations in elevation — a maximum elevation change of 218 m.

The land around Isakogorka is covered by trees (61%) within 3 km, trees (59%) within 16 km, and trees (63%) within 80 km.

3 km

54 m

trees 61%

16 km

83 m

trees 59%

80 km

218 m

trees 63%

treesgrasslandcroplandartificial surfaceswaterwetland

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

September weather nearby: Novodvinsk 9.0 km · Arkhangel’sk 12 km · Severodvinsk 41 km · Yagry 44 km · Onega 138 km · Mirnyy 188 km · Nyandoma 309 km · Segezha 317 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 Isakogorka (64.446°, 40.6531°, elevation 15 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).

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

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	23	77
4	23	77
5	23	77
6	22	78
7	22	78
8	22	78
9	21	79
10	21	79
11	20	80
12	19	81
13	19	81
14	18	82
15	18	82
16	18	82
17	18	82
18	18	82
19	17	83
20	17	83
21	18	82
22	18	82
23	18	82
24	18	82
25	19	81
26	19	81
27	19	81
28	19	81
29	19	81
30	19	81

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

	Dry (%)	Comfortable (%)
1	91	9
2	91	9
3	92	8
4	92	8
5	93	7
6	93	7
7	94	6
8	94	6
9	94	6
10	95	5
11	95	5
12	96	4
13	97	3
14	97	3
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
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	15	8
2	15	7
3	15	7
4	15	7
5	14	7
6	14	7
7	14	7
8	14	7
9	14	7
10	13	6
11	13	6
12	13	6
13	13	6
14	12	6
15	12	6
16	12	6
17	12	6
18	12	5
19	11	5
20	11	5
21	11	5
22	11	5
23	11	5
24	10	5
25	10	4
26	10	4
27	10	4
28	9	4
29	9	4
30	9	4

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	23	77
4	23	77
5	23	77
6	22	78
7	22	78
8	22	78
9	21	79
10	21	79
11	20	80
12	19	81
13	19	81
14	18	82
15	18	82
16	18	82
17	18	82
18	18	82
19	17	83
20	17	83
21	18	82
22	18	82
23	18	82
24	18	82
25	19	81
26	19	81
27	19	81
28	19	81
29	19	81
30	19	81

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

	Dry (%)	Comfortable (%)
1	91	9
2	91	9
3	92	8
4	92	8
5	93	7
6	93	7
7	94	6
8	94	6
9	94	6
10	95	5
11	95	5
12	96	4
13	97	3
14	97	3
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
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	15	8
2	15	7
3	15	7
4	15	7
5	14	7
6	14	7
7	14	7
8	14	7
9	14	7
10	13	6
11	13	6
12	13	6
13	13	6
14	12	6
15	12	6
16	12	6
17	12	6
18	12	5
19	11	5
20	11	5
21	11	5
22	11	5
23	11	5
24	10	5
25	10	4
26	10	4
27	10	4
28	9	4
29	9	4
30	9	4

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	23	77
4	23	77
5	23	77
6	22	78
7	22	78
8	22	78
9	21	79
10	21	79
11	20	80
12	19	81
13	19	81
14	18	82
15	18	82
16	18	82
17	18	82
18	18	82
19	17	83
20	17	83
21	18	82
22	18	82
23	18	82
24	18	82
25	19	81
26	19	81
27	19	81
28	19	81
29	19	81
30	19	81

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

	Dry (%)	Comfortable (%)
1	91	9
2	91	9
3	92	8
4	92	8
5	93	7
6	93	7
7	94	6
8	94	6
9	94	6
10	95	5
11	95	5
12	96	4
13	97	3
14	97	3
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
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