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September weather forecast in Kenai

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

	752 mmHg		81%
	5.9 m/s		+14

31 August, Sunday. day, 13°; night, 11°; rain

1 September, mon

	752 mmHg		81%
	5.7 m/s		+13

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

2 September, tue

	753 mmHg		80%
	5.1 m/s		+13

2 September, Tuesday. day, 13°; night, 11°; clear

3 September, wed

	754 mmHg		81%
	5.4 m/s		+13

3 September, Wednesday. day, 13°; night, 11°; partly cloudy

4 September, thu

	755 mmHg		80%
	5.7 m/s		+13

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

5 September, fri

	754 mmHg		82%
	5.4 m/s		+13

5 September, Friday. day, 13°; night, 11°; rain

6 September, sat

	754 mmHg		81%
	5.9 m/s		+13

6 September, Saturday. day, 13°; night, 11°; overcast

7 September, sun

	753 mmHg		80%
	6 m/s		+13

7 September, Sunday. day, 13°; night, 11°; rain

8 September, mon

	754 mmHg		80%
	5.6 m/s		+13

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

9 September, tue

	753 mmHg		79%
	5.2 m/s		+13

9 September, Tuesday. day, 13°; night, 11°; rain

10 September, wed

	753 mmHg		79%
	5.8 m/s		+13

10 September, Wednesday. day, 13°; night, 11°; clear

11 September, thu

	754 mmHg		81%
	4.9 m/s		+13

11 September, Thursday. day, 13°; night, 10°; clear

12 September, fri

	754 mmHg		81%
	5.9 m/s		+13

12 September, Friday. day, 13°; night, 11°; rain

13 September, sat

	753 mmHg		81%
	5.9 m/s		+13

13 September, Saturday. day, 12°; night, 10°; rain

14 September, sun

	754 mmHg		79%
	5.8 m/s		+13

14 September, Sunday. day, 12°; night, 10°; rain

15 September, mon

	754 mmHg		79%
	5.6 m/s		+13

15 September, Monday. day, 12°; night, 10°; rain

16 September, tue

	752 mmHg		79%
	6 m/s		+12

16 September, Tuesday. day, 12°; night, 10°; rain

17 September, wed

	750 mmHg		79%
	6.9 m/s		+12

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

18 September, thu

	749 mmHg		77%
	5.9 m/s		+12

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

19 September, fri

	751 mmHg		78%
	5.4 m/s		+12

19 September, Friday. day, 11°; night, 9°; clear

20 September, sat

	751 mmHg		78%
	6.1 m/s		+12

20 September, Saturday. day, 11°; night, 9°; rain

21 September, sun

	751 mmHg		76%
	6.1 m/s		+12

21 September, Sunday. day, 11°; night, 9°; partly cloudy

22 September, mon

	748 mmHg		73%
	7 m/s		+12

22 September, Monday. day, 10°; night, 9°; partly cloudy

23 September, tue

	748 mmHg		75%
	7.4 m/s		+11

23 September, Tuesday. day, 10°; night, 8°; rain

24 September, wed

	748 mmHg		75%
	6.9 m/s		+11

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

25 September, thu

	749 mmHg		77%
	7.5 m/s		+11

25 September, Thursday. day, 10°; night, 8°; rain

26 September, fri

	751 mmHg		76%
	6.5 m/s		+11

26 September, Friday. day, 10°; night, 8°; clear

27 September, sat

	752 mmHg		74%
	6.4 m/s		+11

27 September, Saturday. day, 10°; night, 8°; clear

28 September, sun

	752 mmHg		74%
	6.1 m/s		+11

28 September, Sunday. day, 9°; night, 7°; partly cloudy

29 September, mon

	753 mmHg		74%
	6 m/s		+11

29 September, Monday. day, 9°; night, 7°; partly cloudy

30 September, tue

	753 mmHg		75%
	6.4 m/s		+11

30 September, Tuesday. day, 9°; night, 7°; partly cloudy

1 October, wed

	753 mmHg		73%
	6.4 m/s		+11

1 October, Wednesday. day, 9°; night, 7°; clear

2 October, thu

	753 mmHg		75%
	6.5 m/s		+11

2 October, Thursday. day, 9°; night, 7°; rain

3 October, fri

	753 mmHg		76%
	6 m/s		+11

3 October, Friday. day, 9°; night, 7°; rain

4 October, sat

	753 mmHg		76%
	7.2 m/s		+11

4 October, Saturday. day, 9°; night, 7°; overcast

Average data for 10 years

Kenai September

6

sunny days

17

days with precipitation

13

cloudy days

6 sunny days; 17 days with precipitation; 13 cloudy days;

78

%

air humidity

3.9

m/s

WindSE

148

mm of precipitation

(16% of annual average)

+12

°C

Water temperature

air humidity 78%; 148 millimeters of precipitation (16% of annual average); Wind south-easterly 3.9 Meters per second; Water temperature +12°

Weather graphs for September

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

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SE

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SE

SE

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SE

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SE

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SE

SE

SE

SE

SE

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SE

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SE

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SE

SE

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E

SE

1

Average data for 10 years

2

3

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5

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10

11

12

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14

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30

Daytime temperature

Night-time temperature

Cities near you

Anchorage
Fairbanks
Kodiak
Tanana
McGrath
Kudjak Island
Wasilla
Soldotna
Port Alsworth

Cities with similar weather in September

Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Oslo
Yurmala
Palanga
Dublin

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

September in Kenai is the rainiest month of the year. In September, the weather in Kenai is typically warm. Average daily high temperature in September is about 12 degrees above zero. On average, Kenai has 17 rainy, 6 sunny, 6 partly cloudy, and 1 cloudy day in September. The rains are usually heavy. September as well as May, August, October, and November is considered the most uncomfortable time to visit Kenai.

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