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September weather forecast in Ayan

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

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

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

31 August, sun

	743 mmHg		80%
	4.5 m/s		+14

31 August, Sunday. day, 14°; night, 10°; overcast

1 September, mon

	743 mmHg		82%
	4.8 m/s		+14

1 September, Monday. day, 14°; night, 10°; rain

2 September, tue

	743 mmHg		77%
	5.1 m/s		+14

2 September, Tuesday. day, 14°; night, 10°; partly cloudy

3 September, wed

	744 mmHg		76%
	5 m/s		+14

3 September, Wednesday. day, 14°; night, 9°; clear

4 September, thu

	743 mmHg		80%
	4.8 m/s		+14

4 September, Thursday. day, 14°; night, 9°; partly cloudy

5 September, fri

	743 mmHg		80%
	4.6 m/s		+13

5 September, Friday. day, 14°; night, 9°; rain

6 September, sat

	742 mmHg		79%
	5.3 m/s		+13

6 September, Saturday. day, 13°; night, 8°; rain

7 September, sun

	742 mmHg		77%
	5.5 m/s		+13

7 September, Sunday. day, 14°; night, 8°; rain

8 September, mon

	743 mmHg		77%
	6.1 m/s		+13

8 September, Monday. day, 13°; night, 8°; rain

9 September, tue

	744 mmHg		77%
	5.6 m/s		+13

9 September, Tuesday. day, 12°; night, 8°; rain

10 September, wed

	742 mmHg		78%
	5.5 m/s		+13

10 September, Wednesday. day, 12°; night, 8°; rain

11 September, thu

	743 mmHg		74%
	5.4 m/s		+13

11 September, Thursday. day, 12°; night, 7°; rain

12 September, fri

	743 mmHg		71%
	5.5 m/s		+13

12 September, Friday. day, 12°; night, 7°; partly cloudy

13 September, sat

	743 mmHg		72%
	5.4 m/s		+13

13 September, Saturday. day, 12°; night, 7°; partly cloudy

14 September, sun

	743 mmHg		70%
	5.7 m/s		+13

14 September, Sunday. day, 12°; night, 6°; clear

15 September, mon

	744 mmHg		74%
	5.5 m/s		+12

15 September, Monday. day, 11°; night, 6°; rain

16 September, tue

	744 mmHg		75%
	4.69 m/s		+12

16 September, Tuesday. day, 11°; night, 6°; clear

17 September, wed

	744 mmHg		72%
	4.69 m/s		+12

17 September, Wednesday. day, 11°; night, 6°; partly cloudy

18 September, thu

	744 mmHg		73%
	5.1 m/s		+11

18 September, Thursday. day, 10°; night, 6°; rain

19 September, fri

	743 mmHg		71%
	6.1 m/s		+12

19 September, Friday. day, 10°; night, 5°; overcast

20 September, sat

	742 mmHg		69%
	6.4 m/s		+11

20 September, Saturday. day, 9°; night, 5°; clear

21 September, sun

	744 mmHg		70%
	5.8 m/s		+11

21 September, Sunday. day, 9°; night, 4°; clear

22 September, mon

	746 mmHg		71%
	5 m/s		+11

22 September, Monday. day, 9°; night, 5°; clear

23 September, tue

	746 mmHg		72%
	5.3 m/s		+11

23 September, Tuesday. day, 9°; night, 4°; clear

24 September, wed

	746 mmHg		73%
	5.5 m/s		+11

24 September, Wednesday. day, 9°; night, 4°; clear

25 September, thu

	747 mmHg		75%
	5.2 m/s		+10

25 September, Thursday. day, 9°; night, 4°; partly cloudy

26 September, fri

	746 mmHg		74%
	4.9 m/s		+10

26 September, Friday. day, 9°; night, 4°; clear

27 September, sat

	745 mmHg		76%
	5.2 m/s		+10

27 September, Saturday. day, 8°; night, 4°; overcast

28 September, sun

	744 mmHg		72%
	6.6 m/s		+10

28 September, Sunday. day, 8°; night, 3°; rain

29 September, mon

	744 mmHg		67%
	6.3 m/s		+10

29 September, Monday. day, 7°; night, 3°; partly cloudy

30 September, tue

	744 mmHg		66%
	5.5 m/s		+9

30 September, Tuesday. day, 7°; night, 2°; clear

1 October, wed

	744 mmHg		67%
	6.4 m/s		+9

1 October, Wednesday. day, 6°; night, 2°; overcast

2 October, thu

	744 mmHg		67%
	6.7 m/s		+9

2 October, Thursday. day, 5°; night, 2°; partly cloudy

3 October, fri

	744 mmHg		67%
	6.3 m/s		+9

3 October, Friday. day, 5°; night, 2°; partly cloudy

4 October, sat

	744 mmHg		69%
	6 m/s		+9

4 October, Saturday. day, 5°; night, 1°; overcast

Average data for 10 years

Ayan September

10

sunny days

11

days with precipitation

10

cloudy days

10 sunny days; 11 days with precipitation; 10 cloudy days;

74

%

air humidity

3.6

m/s

WindSW

111

mm of precipitation

(14% of annual average)

+12

°C

Water temperature

air humidity 74%; 111 millimeters of precipitation (14% of annual average); Wind south-westerly 3.6 Meters per second; Water temperature +12°

Weather graphs for September

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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SW

SW

S

S

S

SW

SW

S

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

SW

S

SW

SW

SW

1

Average data for 10 years

2

3

4

5

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10

11

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14

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20

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30

Daytime temperature

Night-time temperature

Cities near you

Tugur
Chumikan
Yugorenok
Solnechnyy
Kherpuchi
Mnogovershinny
Nelkan
Udinsk
Oglongi

Cities with similar weather in September

Saint Petersburg
Novosibirsk
Pskov
Cheboksary
Petrozavodsk
Veliky Novgorod
Helsinki
Cherepovets
Tallinn

The weather forecast for September 2025 is based on historical data from the past 10 years.

In September, the weather in Ayan is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, Ayan has 11 rainy, 10 sunny, 7 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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