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September weather forecast in Syasstroy

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

	760 mmHg		76%
	7 m/s		+16

31 August, Sunday. day, 16°; night, 13°; partly cloudy

1 September, mon

	761 mmHg		76%
	6.6 m/s		+15

1 September, Monday. day, 16°; night, 13°; clear

2 September, tue

	762 mmHg		77%
	6.6 m/s		+15

2 September, Tuesday. day, 16°; night, 13°; rain

3 September, wed

	761 mmHg		79%
	7.1 m/s		+15

3 September, Wednesday. day, 16°; night, 13°; rain

4 September, thu

	762 mmHg		78%
	6.8 m/s		+15

4 September, Thursday. day, 15°; night, 12°; rain

5 September, fri

	762 mmHg		78%
	6.8 m/s		+15

5 September, Friday. day, 16°; night, 12°; partly cloudy

6 September, sat

	761 mmHg		79%
	6.8 m/s		+15

6 September, Saturday. day, 16°; night, 13°; partly cloudy

7 September, sun

	760 mmHg		81%
	6.5 m/s		+15

7 September, Sunday. day, 15°; night, 12°; rain

8 September, mon

	760 mmHg		80%
	6.8 m/s		+15

8 September, Monday. day, 16°; night, 12°; partly cloudy

9 September, tue

	760 mmHg		79%
	7.3 m/s		+15

9 September, Tuesday. day, 15°; night, 12°; clear

10 September, wed

	761 mmHg		78%
	7 m/s		+15

10 September, Wednesday. day, 15°; night, 12°; clear

11 September, thu

	762 mmHg		77%
	6.5 m/s		+15

11 September, Thursday. day, 15°; night, 12°; clear

12 September, fri

	760 mmHg		80%
	7.2 m/s		+15

12 September, Friday. day, 15°; night, 12°; overcast

13 September, sat

	759 mmHg		79%
	7.9 m/s		+14

13 September, Saturday. day, 15°; night, 12°; rain

14 September, sun

	759 mmHg		76%
	8 m/s		+14

14 September, Sunday. day, 14°; night, 11°; rain

15 September, mon

	758 mmHg		78%
	8.1 m/s		+14

15 September, Monday. day, 13°; night, 11°; rain

16 September, tue

	759 mmHg		80%
	7.6 m/s		+13

16 September, Tuesday. day, 13°; night, 10°; rain

17 September, wed

	760 mmHg		79%
	7.2 m/s		+13

17 September, Wednesday. day, 13°; night, 10°; rain

18 September, thu

	761 mmHg		79%
	7.8 m/s		+13

18 September, Thursday. day, 13°; night, 10°; partly cloudy

19 September, fri

	761 mmHg		79%
	7.8 m/s		+13

19 September, Friday. day, 13°; night, 10°; rain

20 September, sat

	762 mmHg		79%
	7.6 m/s		+13

20 September, Saturday. day, 13°; night, 10°; partly cloudy

21 September, sun

	762 mmHg		79%
	7.2 m/s		+13

21 September, Sunday. day, 13°; night, 10°; overcast

22 September, mon

	761 mmHg		80%
	7.5 m/s		+13

22 September, Monday. day, 13°; night, 10°; partly cloudy

23 September, tue

	759 mmHg		80%
	7.7 m/s		+13

23 September, Tuesday. day, 12°; night, 9°; partly cloudy

24 September, wed

	759 mmHg		80%
	7.8 m/s		+13

24 September, Wednesday. day, 12°; night, 9°; rain

25 September, thu

	761 mmHg		79%
	7.8 m/s		+12

25 September, Thursday. day, 12°; night, 9°; partly cloudy

26 September, fri

	762 mmHg		79%
	6.9 m/s		+12

26 September, Friday. day, 11°; night, 9°; overcast

27 September, sat

	761 mmHg		81%
	7.1 m/s		+12

27 September, Saturday. day, 12°; night, 9°; overcast

28 September, sun

	760 mmHg		81%
	7.7 m/s		+12

28 September, Sunday. day, 11°; night, 8°; rain

29 September, mon

	760 mmHg		80%
	7.7 m/s		+12

29 September, Monday. day, 10°; night, 8°; rain

30 September, tue

	760 mmHg		82%
	7.3 m/s		+11

30 September, Tuesday. day, 11°; night, 8°; rain

1 October, wed

	760 mmHg		81%
	7.7 m/s		+11

1 October, Wednesday. day, 10°; night, 8°; clear

2 October, thu

	760 mmHg		81%
	7.3 m/s		+11

2 October, Thursday. day, 10°; night, 8°; rain

3 October, fri

	760 mmHg		83%
	7.3 m/s		+11

3 October, Friday. day, 10°; night, 8°; partly cloudy

4 October, sat

	760 mmHg		84%
	7.9 m/s		+11

4 October, Saturday. day, 10°; night, 8°; rain

Average data for 10 years

Syasstroy September

4

sunny days

14

days with precipitation

10

cloudy days

4 sunny days; 14 days with precipitation; 10 cloudy days;

79

%

air humidity

5.5

m/s

WindS

82

mm of precipitation

(10% of annual average)

+14

°C

Water temperature

air humidity 79%; 82 millimeters of precipitation (10% of annual average); Wind southerly 5.5 Meters per second; Water temperature +14°

Weather graphs for September

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

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S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

SW

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

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16

17

18

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20

21

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23

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29

30

Daytime temperature

Night-time temperature

Cities near you

Saint Petersburg
Petrozavodsk
Veliky Novgorod
Sortavala
Vyborg
Borovichy
Kirovsk
Ostashkov
Vishniy Volochek

Cities with similar weather in September

Novosibirsk
Pskov
Cheboksary
Ulyanovsk
Helsinki
Riga
Cherepovets
Tallinn
Rybinsk

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

In September, the weather in Syasstroy is typically warm. Average daily high temperature in September is about 14 degrees above zero. On average, Syasstroy has 14 rainy, 8 partly cloudy, 4 sunny, and 4 cloudy days in September. The rains are usually heavy. September as well as October and November is considered the most uncomfortable time to visit Syasstroy.

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