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September weather forecast in Wasilla

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

	713 mmHg		81%
	2.3 m/s		+14

31 August, Sunday. day, 14°; night, 7°; rain

1 September, mon

	713 mmHg		83%
	2.2 m/s		+14

1 September, Monday. day, 13°; night, 6°; rain

2 September, tue

	714 mmHg		83%
	2.2 m/s		+14

2 September, Tuesday. day, 13°; night, 6°; rain

3 September, wed

	714 mmHg		82%
	2.09 m/s		+13

3 September, Wednesday. day, 14°; night, 6°; rain

4 September, thu

	715 mmHg		82%
	2 m/s		+13

4 September, Thursday. day, 13°; night, 6°; rain

5 September, fri

	715 mmHg		83%
	2.09 m/s		+14

5 September, Friday. day, 13°; night, 6°; rain

6 September, sat

	715 mmHg		82%
	2.3 m/s		+13

6 September, Saturday. day, 13°; night, 6°; rain

7 September, sun

	714 mmHg		81%
	2.2 m/s		+14

7 September, Sunday. day, 13°; night, 6°; rain

8 September, mon

	715 mmHg		81%
	2.09 m/s		+13

8 September, Monday. day, 13°; night, 5°; rain

9 September, tue

	714 mmHg		81%
	2.2 m/s		+13

9 September, Tuesday. day, 13°; night, 5°; rain

10 September, wed

	714 mmHg		80%
	2.3 m/s		+13

10 September, Wednesday. day, 13°; night, 5°; rain

11 September, thu

	715 mmHg		80%
	2.09 m/s		+13

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

12 September, fri

	715 mmHg		80%
	2.3 m/s		+12

12 September, Friday. day, 12°; night, 5°; overcast

13 September, sat

	714 mmHg		83%
	2.2 m/s		+13

13 September, Saturday. day, 12°; night, 6°; rain

14 September, sun

	715 mmHg		81%
	2.2 m/s		+12

14 September, Sunday. day, 12°; night, 4°; partly cloudy

15 September, mon

	714 mmHg		79%
	2.3 m/s		+12

15 September, Monday. day, 12°; night, 4°; partly cloudy

16 September, tue

	712 mmHg		81%
	2.2 m/s		+11

16 September, Tuesday. day, 11°; night, 4°; rain

17 September, wed

	710 mmHg		82%
	2.4 m/s		+11

17 September, Wednesday. day, 11°; night, 4°; rain

18 September, thu

	710 mmHg		81%
	2.4 m/s		+10

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

19 September, fri

	712 mmHg		81%
	2.2 m/s		+11

19 September, Friday. day, 10°; night, 3°; rain

20 September, sat

	712 mmHg		82%
	2.3 m/s		+9

20 September, Saturday. day, 10°; night, 3°; rain

21 September, sun

	711 mmHg		83%
	2.4 m/s		+9

21 September, Sunday. day, 10°; night, 3°; rain

22 September, mon

	709 mmHg		80%
	2.4 m/s		+9

22 September, Monday. day, 10°; night, 2°; overcast

23 September, tue

	708 mmHg		79%
	2.4 m/s		+9

23 September, Tuesday. day, 9°; night, 2°; overcast

24 September, wed

	709 mmHg		79%
	2.4 m/s		+8

24 September, Wednesday. day, 9°; night, 2°; rain

25 September, thu

	710 mmHg		81%
	2.4 m/s		+8

25 September, Thursday. day, 8°; night, 2°; rain

26 September, fri

	712 mmHg		82%
	2.3 m/s		+8

26 September, Friday. day, 9°; night, 1°; clear

27 September, sat

	712 mmHg		79%
	2.3 m/s		+8

27 September, Saturday. day, 8°; night, 1°; partly cloudy

28 September, sun

	712 mmHg		78%
	2.2 m/s		+6

28 September, Sunday. day, 8°; night, 0°; partly cloudy

29 September, mon

	713 mmHg		80%
	2 m/s		+7

29 September, Monday. day, 8°; night, 0°; clear

30 September, tue

	713 mmHg		81%
	2.2 m/s		+8

30 September, Tuesday. day, 7°; night, 0°; clear

1 October, wed

	713 mmHg		78%
	2.2 m/s		+7

1 October, Wednesday. day, 8°; night, 0°; rain

2 October, thu

	713 mmHg		78%
	2.2 m/s		+7

2 October, Thursday. day, 7°; night, 0°; rain

3 October, fri

	713 mmHg		79%
	2.3 m/s		+7

3 October, Friday. day, 7°; night, 0°; rain

4 October, sat

	713 mmHg		78%
	2.3 m/s		+6

4 October, Saturday. day, 7°; night, 0°; rain

Average data for 10 years

Wasilla September

4

sunny days

19

days with precipitation

16

cloudy days

4 sunny days; 19 days with precipitation; 16 cloudy days;

81

%

air humidity

1.4

m/s

WindSE

123

mm of precipitation

(13% of annual average)

+11

°C

Water temperature

air humidity 81%; 123 millimeters of precipitation (13% of annual average); Wind south-easterly 1.4 Meters per second; Water temperature +11°

Weather graphs for September

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

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Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Anchorage
Fairbanks
Kodiak
Tanana
Kenai
Soldotna
Port Alsworth
Birch Creek
Willow

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.

In September, the weather in Wasilla is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, Wasilla has 18 rainy, 4 sunny, 4 cloudy, and 4 partly cloudy days in September. The rains are usually heavy. September as well as January, May, June, and July is considered the most uncomfortable time to visit Wasilla.

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