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Sierra Nevada weather in September

Weather in Sierra Nevada: September


	Average day temperature:	72.3°F
	Average night temperature:	58.5°F

	Sea water temperature:	74.1°F

	Number of sunny days:	23 days
	Day length:	11.8 - 13.0 hours

	Number of rainy days:	5 days
	Precipitation totals:	3.3 in.

more information

14 days
forecast

Sierra Nevada

sea water
temperature

Sierra Nevada

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2024

2023

2022

104

Day temperature

Night temperature

The highest day temperature during September of 2024 was 77°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during September were 70.4°F and 57.5°F.

Show year:

2024

2023

2022

The average sea water temperature in September of 2024 was 75.0°F. The highest and lowest sea temperatures during the month were 80.2°F and 66.7°F.

	Sunny days
	Partly cloudy days
	Cloudy days

70%

20%

10%

Mostly all days in September are sunny but cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.8

1.5

2.3

3.0

3.8

4.5

5.3

6.0

1.9

3.1

2.0

3.4

1.6

2.9

4.4

4.3

1.6

2.0

1.9

3.1

2.0

3.2

3.4

1.6

2.9

4.4

4.3

1.6

2.0

Precipitation total value in Sierra Nevada in September is 3.2 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.9

1.9

2.8

3.7

4.6

5.6

6.5

4.1

4.4

3.6

3.9

4.4

4.1

4.2

4.6

5.4

4.6

4.5

4.1

4.4

3.6

3.7

3.9

4.4

4.1

4.2

4.6

5.4

4.6

4.5

The average wind speed value in September is 3.7 mph It makes September one of the least windy months of the year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

2.3

4.6

6.9

9.2

11.5

13.9

16.2

18.5

7.7

8.2

8.5

11.9

13.5

12.1

10.8

9.4

7.4

8.1

7.6

7.7

8.2

8.5

9.9

11.9

13.5

12.1

10.8

9.4

7.4

8.1

7.6

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 9.9.