10 day forecast Monthly forecast Weather map

City or area

Go to comparison

September weather forecast in Thomaston

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

	755 mmHg		76%
	5.1 m/s		+17

31 August, Sunday. day, 22°; night, 15°; clear

1 September, mon

	756 mmHg		76%
	4.9 m/s		+17

1 September, Monday. day, 22°; night, 15°; clear

2 September, tue

	757 mmHg		77%
	4.9 m/s		+17

2 September, Tuesday. day, 20°; night, 13°; clear

3 September, wed

	755 mmHg		80%
	5.1 m/s		+17

3 September, Wednesday. day, 21°; night, 14°; clear

4 September, thu

	754 mmHg		79%
	4.8 m/s		+17

4 September, Thursday. day, 21°; night, 14°; clear

5 September, fri

	756 mmHg		76%
	5 m/s		+16

5 September, Friday. day, 21°; night, 14°; clear

6 September, sat

	757 mmHg		77%
	4.69 m/s		+16

6 September, Saturday. day, 21°; night, 14°; clear

7 September, sun

	756 mmHg		80%
	4.9 m/s		+16

7 September, Sunday. day, 21°; night, 14°; partly cloudy

8 September, mon

	755 mmHg		81%
	5 m/s		+16

8 September, Monday. day, 21°; night, 14°; overcast

9 September, tue

	755 mmHg		80%
	5.1 m/s		+16

9 September, Tuesday. day, 20°; night, 14°; rain

10 September, wed

	756 mmHg		80%
	5.1 m/s		+16

10 September, Wednesday. day, 19°; night, 14°; rain

11 September, thu

	757 mmHg		78%
	5.4 m/s		+16

11 September, Thursday. day, 20°; night, 13°; rain

12 September, fri

	757 mmHg		78%
	5.2 m/s		+16

12 September, Friday. day, 20°; night, 13°; clear

13 September, sat

	756 mmHg		81%
	4.8 m/s		+16

13 September, Saturday. day, 19°; night, 13°; clear

14 September, sun

	756 mmHg		82%
	5 m/s		+16

14 September, Sunday. day, 20°; night, 13°; rain

15 September, mon

	756 mmHg		82%
	5.3 m/s		+16

15 September, Monday. day, 19°; night, 13°; rain

16 September, tue

	757 mmHg		80%
	5.4 m/s		+15

16 September, Tuesday. day, 18°; night, 12°; partly cloudy

17 September, wed

	757 mmHg		78%
	5 m/s		+15

17 September, Wednesday. day, 18°; night, 11°; clear

18 September, thu

	756 mmHg		80%
	5.1 m/s		+15

18 September, Thursday. day, 18°; night, 12°; rain

19 September, fri

	757 mmHg		78%
	5.3 m/s		+15

19 September, Friday. day, 18°; night, 11°; clear

20 September, sat

	757 mmHg		81%
	5.3 m/s		+15

20 September, Saturday. day, 18°; night, 11°; partly cloudy

21 September, sun

	757 mmHg		78%
	5.2 m/s		+15

21 September, Sunday. day, 18°; night, 12°; clear

22 September, mon

	756 mmHg		80%
	5.4 m/s		+15

22 September, Monday. day, 18°; night, 12°; overcast

23 September, tue

	755 mmHg		77%
	5.6 m/s		+15

23 September, Tuesday. day, 18°; night, 12°; rain

24 September, wed

	757 mmHg		75%
	5.4 m/s		+15

24 September, Wednesday. day, 17°; night, 11°; clear

25 September, thu

	757 mmHg		78%
	5.3 m/s		+15

25 September, Thursday. day, 17°; night, 11°; partly cloudy

26 September, fri

	757 mmHg		81%
	5.1 m/s		+15

26 September, Friday. day, 18°; night, 11°; partly cloudy

27 September, sat

	756 mmHg		82%
	5.2 m/s		+15

27 September, Saturday. day, 18°; night, 11°; partly cloudy

28 September, sun

	755 mmHg		84%
	5.5 m/s		+15

28 September, Sunday. day, 17°; night, 12°; rain

29 September, mon

	756 mmHg		80%
	6 m/s		+15

29 September, Monday. day, 16°; night, 11°; rain

30 September, tue

	756 mmHg		79%
	5.4 m/s		+15

30 September, Tuesday. day, 16°; night, 10°; clear

1 October, wed

	756 mmHg		80%
	5.2 m/s		+14

1 October, Wednesday. day, 16°; night, 10°; partly cloudy

2 October, thu

	756 mmHg		80%
	5.2 m/s		+14

2 October, Thursday. day, 16°; night, 10°; overcast

3 October, fri

	757 mmHg		77%
	5.1 m/s		+14

3 October, Friday. day, 16°; night, 9°; clear

4 October, sat

	758 mmHg		80%
	5.2 m/s		+14

4 October, Saturday. day, 15°; night, 9°; overcast

Average data for 10 years

Thomaston September

13

sunny days

9

days with precipitation

7

cloudy days

13 sunny days; 9 days with precipitation; 7 cloudy days;

79

%

air humidity

3.6

m/s

WindSW

101

mm of precipitation

(9% of annual average)

+16

°C

Water temperature

air humidity 79%; 101 millimeters of precipitation (9% of annual average); Wind south-westerly 3.6 Meters per second; Water temperature +16°

Weather graphs for September

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

SW

S

SW

SW

SW

SW

S

SW

S

SW

SW

SW

S

SW

SW

SW

SW

S

S

S

SW

S

SW

SW

S

S

SW

S

SW

S

1

Average data for 10 years

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

Daytime temperature

Night-time temperature

Cities near you

Boston
Colchester
Quebec
Saint John
Portland
Berlin
Bangor
New Bedford
Saint Johnsbury

Cities with similar weather in September

Copenhagen
Vancouver
Gdansk
Looe
Montreal
Bruges
Liverpool
Brighton
Rostock

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

September in Thomaston is the sunniest month of the year. In September, the weather in Thomaston is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Thomaston has 13 sunny, 9 rainy, 6 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

Links

Help Terms of use Contact us

For partners

Advertisement Yandex.Weather API

Weather forecasts

Hourly forecast Detailed 10 day forecast Monthly forecast Weather map Magnetic storms

Download app

English

English
Русский

Source data: Yandex.Traffic, Roshydromet FSBI "CAO", NOAA, © OpenStreetMap

© 2017–2025 YANDEX LLC