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September weather forecast in Port Clinton

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

	748 mmHg		71%
	6.9 m/s		+24

31 August, Sunday. day, 25°; night, 21°; clear

1 September, mon

	748 mmHg		73%
	6.7 m/s		+23

1 September, Monday. day, 24°; night, 21°; clear

2 September, tue

	748 mmHg		73%
	6.9 m/s		+24

2 September, Tuesday. day, 25°; night, 21°; clear

3 September, wed

	748 mmHg		71%
	6.8 m/s		+23

3 September, Wednesday. day, 25°; night, 21°; clear

4 September, thu

	748 mmHg		72%
	7 m/s		+23

4 September, Thursday. day, 25°; night, 21°; clear

5 September, fri

	749 mmHg		71%
	6.6 m/s		+23

5 September, Friday. day, 24°; night, 21°; clear

6 September, sat

	748 mmHg		72%
	6.8 m/s		+23

6 September, Saturday. day, 24°; night, 20°; clear

7 September, sun

	747 mmHg		73%
	7.6 m/s		+22

7 September, Sunday. day, 24°; night, 21°; rain

8 September, mon

	747 mmHg		75%
	8.1 m/s		+22

8 September, Monday. day, 23°; night, 20°; rain

9 September, tue

	747 mmHg		75%
	7.6 m/s		+22

9 September, Tuesday. day, 22°; night, 19°; partly cloudy

10 September, wed

	749 mmHg		73%
	7.4 m/s		+22

10 September, Wednesday. day, 22°; night, 19°; clear

11 September, thu

	749 mmHg		72%
	7.1 m/s		+22

11 September, Thursday. day, 22°; night, 19°; clear

12 September, fri

	748 mmHg		74%
	7.2 m/s		+22

12 September, Friday. day, 23°; night, 19°; rain

13 September, sat

	747 mmHg		74%
	7 m/s		+21

13 September, Saturday. day, 23°; night, 19°; rain

14 September, sun

	748 mmHg		72%
	7.3 m/s		+22

14 September, Sunday. day, 22°; night, 19°; partly cloudy

15 September, mon

	749 mmHg		71%
	7.6 m/s		+20

15 September, Monday. day, 21°; night, 18°; clear

16 September, tue

	750 mmHg		72%
	6.4 m/s		+20

16 September, Tuesday. day, 21°; night, 18°; clear

17 September, wed

	749 mmHg		73%
	7 m/s		+21

17 September, Wednesday. day, 21°; night, 18°; clear

18 September, thu

	748 mmHg		74%
	6.9 m/s		+20

18 September, Thursday. day, 22°; night, 18°; clear

19 September, fri

	748 mmHg		74%
	7.4 m/s		+20

19 September, Friday. day, 21°; night, 18°; clear

20 September, sat

	748 mmHg		74%
	7.1 m/s		+21

20 September, Saturday. day, 22°; night, 18°; overcast

21 September, sun

	748 mmHg		76%
	7.4 m/s		+21

21 September, Sunday. day, 22°; night, 18°; rain

22 September, mon

	748 mmHg		73%
	8 m/s		+21

22 September, Monday. day, 21°; night, 17°; overcast

23 September, tue

	748 mmHg		74%
	7.5 m/s		+21

23 September, Tuesday. day, 20°; night, 17°; clear

24 September, wed

	748 mmHg		72%
	7.7 m/s		+20

24 September, Wednesday. day, 20°; night, 16°; partly cloudy

25 September, thu

	747 mmHg		74%
	8.1 m/s		+19

25 September, Thursday. day, 20°; night, 17°; overcast

26 September, fri

	747 mmHg		77%
	7.9 m/s		+20

26 September, Friday. day, 20°; night, 17°; rain

27 September, sat

	746 mmHg		74%
	8.5 m/s		+19

27 September, Saturday. day, 20°; night, 17°; rain

28 September, sun

	746 mmHg		77%
	8.3 m/s		+19

28 September, Sunday. day, 20°; night, 16°; rain

29 September, mon

	747 mmHg		75%
	8.2 m/s		+19

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

30 September, tue

	748 mmHg		74%
	8 m/s		+18

30 September, Tuesday. day, 19°; night, 15°; partly cloudy

1 October, wed

	748 mmHg		72%
	7.9 m/s		+17

1 October, Wednesday. day, 18°; night, 15°; clear

2 October, thu

	748 mmHg		74%
	8.3 m/s		+17

2 October, Thursday. day, 19°; night, 15°; partly cloudy

3 October, fri

	748 mmHg		74%
	8.6 m/s		+17

3 October, Friday. day, 18°; night, 15°; rain

4 October, sat

	748 mmHg		76%
	8.1 m/s		+17

4 October, Saturday. day, 18°; night, 15°; rain

Average data for 10 years

Port Clinton September

14

sunny days

9

days with precipitation

5

cloudy days

14 sunny days; 9 days with precipitation; 5 cloudy days;

74

%

air humidity

5.3

m/s

WindS

82

mm of precipitation

(8% of annual average)

+21

°C

Water temperature

air humidity 74%; 82 millimeters of precipitation (8% of annual average); Wind southerly 5.3 Meters per second; Water temperature +21°

Weather graphs for September

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

SE

SE

S

S

S

S

S

S

S

SE

S

S

SW

S

S

S

SE

S

SE

S

S

S

S

S

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

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8

9

10

11

12

13

14

15

16

17

18

19

20

21

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29

30

Daytime temperature

Night-time temperature

Cities near you

Detroit
Pittsburgh
Indianapolis
Cleveland
Macedonia
Michigan City
Burlington
Milan
London

Cities with similar weather in September

Suhum
Burgas
Varna
Tivat
The Sunny Beach
Podgorica
The Golden Sands
Chicago
Pomorie

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

September in Port Clinton is the sunniest month of the year. In September, the weather in Port Clinton is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Port Clinton has 14 sunny, 9 rainy, 4 partly cloudy, and 3 cloudy days in September. The rains are usually heavy.

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