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September weather forecast in Dumfries

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

	746 mmHg		84%
	4.8 m/s		+16

31 August, Sunday. day, 16°; night, 8°; partly cloudy

1 September, mon

	745 mmHg		86%
	4.9 m/s		+16

1 September, Monday. day, 15°; night, 9°; overcast

2 September, tue

	745 mmHg		87%
	5 m/s		+16

2 September, Tuesday. day, 16°; night, 10°; overcast

3 September, wed

	744 mmHg		87%
	5 m/s		+16

3 September, Wednesday. day, 16°; night, 10°; overcast

4 September, thu

	745 mmHg		84%
	4.6 m/s		+16

4 September, Thursday. day, 16°; night, 10°; clear

5 September, fri

	745 mmHg		86%
	5 m/s		+16

5 September, Friday. day, 16°; night, 10°; overcast

6 September, sat

	743 mmHg		86%
	5.7 m/s		+16

6 September, Saturday. day, 15°; night, 10°; rain

7 September, sun

	743 mmHg		87%
	5.4 m/s		+16

7 September, Sunday. day, 16°; night, 9°; rain

8 September, mon

	743 mmHg		86%
	5.1 m/s		+16

8 September, Monday. day, 16°; night, 9°; rain

9 September, tue

	743 mmHg		86%
	5.3 m/s		+16

9 September, Tuesday. day, 15°; night, 9°; rain

10 September, wed

	743 mmHg		86%
	5 m/s		+16

10 September, Wednesday. day, 16°; night, 9°; overcast

11 September, thu

	742 mmHg		86%
	6 m/s		+16

11 September, Thursday. day, 15°; night, 9°; rain

12 September, fri

	743 mmHg		85%
	5.3 m/s		+16

12 September, Friday. day, 15°; night, 9°; rain

13 September, sat

	743 mmHg		86%
	5.8 m/s		+16

13 September, Saturday. day, 14°; night, 8°; rain

14 September, sun

	744 mmHg		86%
	5.5 m/s		+16

14 September, Sunday. day, 14°; night, 8°; partly cloudy

15 September, mon

	744 mmHg		86%
	4.9 m/s		+15

15 September, Monday. day, 14°; night, 8°; clear

16 September, tue

	743 mmHg		86%
	5.4 m/s		+15

16 September, Tuesday. day, 14°; night, 8°; clear

17 September, wed

	744 mmHg		86%
	4.8 m/s		+15

17 September, Wednesday. day, 14°; night, 7°; clear

18 September, thu

	744 mmHg		86%
	5.1 m/s		+15

18 September, Thursday. day, 14°; night, 8°; rain

19 September, fri

	744 mmHg		86%
	5.3 m/s		+15

19 September, Friday. day, 15°; night, 8°; rain

20 September, sat

	744 mmHg		87%
	5.3 m/s		+15

20 September, Saturday. day, 14°; night, 8°; overcast

21 September, sun

	744 mmHg		86%
	5.4 m/s		+15

21 September, Sunday. day, 15°; night, 8°; rain

22 September, mon

	744 mmHg		86%
	5.5 m/s		+15

22 September, Monday. day, 14°; night, 8°; partly cloudy

23 September, tue

	743 mmHg		86%
	5.5 m/s		+15

23 September, Tuesday. day, 14°; night, 7°; partly cloudy

24 September, wed

	742 mmHg		86%
	5.8 m/s		+15

24 September, Wednesday. day, 13°; night, 8°; rain

25 September, thu

	742 mmHg		87%
	5.6 m/s		+15

25 September, Thursday. day, 14°; night, 8°; rain

26 September, fri

	743 mmHg		87%
	5.6 m/s		+15

26 September, Friday. day, 13°; night, 8°; overcast

27 September, sat

	742 mmHg		87%
	5.6 m/s		+15

27 September, Saturday. day, 13°; night, 7°; overcast

28 September, sun

	742 mmHg		89%
	5.5 m/s		+15

28 September, Sunday. day, 13°; night, 8°; rain

29 September, mon

	742 mmHg		88%
	5.5 m/s		+15

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

30 September, tue

	740 mmHg		90%
	5.4 m/s		+15

30 September, Tuesday. day, 13°; night, 7°; rain

1 October, wed

	739 mmHg		87%
	5.7 m/s		+15

1 October, Wednesday. day, 13°; night, 7°; rain

2 October, thu

	740 mmHg		87%
	5.7 m/s		+15

2 October, Thursday. day, 12°; night, 6°; clear

3 October, fri

	740 mmHg		88%
	6.2 m/s		+14

3 October, Friday. day, 12°; night, 7°; rain

4 October, sat

	740 mmHg		88%
	6.3 m/s		+14

4 October, Saturday. day, 12°; night, 7°; rain

Average data for 10 years

Dumfries September

4

sunny days

15

days with precipitation

14

cloudy days

4 sunny days; 15 days with precipitation; 14 cloudy days;

86

%

air humidity

3.7

m/s

WindS

100

mm of precipitation

(8% of annual average)

+15

°C

Water temperature

air humidity 86%; 100 millimeters of precipitation (8% of annual average); Wind southerly 3.7 Meters per second; Water temperature +15°

Weather graphs for September

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

SW

SW

S

S

SW

S

S

S

SW

SW

SW

SW

S

SW

SW

SW

SW

S

S

S

S

S

S

S

S

S

SW

SW

S

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

Dublin
Edinburgh
Manchester
Liverpool
Trowbridge
Glasgow
Bristol
Louth
Birmingham

Cities with similar weather in September

Helsinki
Riga
Tallinn
Stockholm
Oslo
Yurmala
Palanga
Buenos Aires
Copenhagen

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

In September, the weather in Dumfries is typically warm. Average daily high temperature in September is about 15 degrees above zero. On average, Dumfries has 15 rainy, 8 cloudy, 4 sunny, and 3 partly cloudy days in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Dumfries.

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