September weather forecast
Salinas, CA

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Weather in September

September in Salinas signals the beginning of its retreat from summer, with temperatures subtly falling to between 76.1°F (24.5°C) and 54.7°F (12.6°C). Although the month witnesses a slight increase in rainfall compared to August, it only amounts to 0.08" (2mm) over 2.2 days. Wind speed drops slightly to an average of 5mph (8km/h), maintaining a pleasant atmosphere. The daylight begins to recede from 14.4 hours to 12.4 hours. The tropical allure of Salinas offers an inviting climate for both locals and visitors.

Temperature

August and September are known as Salinas's warmest months, with an average high-temperature of 76.1°F (24.5°C).

Humidity

The average relative humidity in September is 67%.

Rainfall

In Salinas, in September, it is raining for 2.2 days, with typically 0.08" (2mm) of accumulated precipitation. In Salinas, during the entire year, the rain falls for 57.8 days and collects up to 6.57" (167mm) of precipitation.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:34 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:50 pm PDT.

Sunshine

The average sunshine in September is 11.2h.

UV index

June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

The peak of Salinas's temperatures is noted during August and September, averaging a high-temperature of 76.1°F (24.5°C).

What is the average September temperature?

The high-temperature, in September, in Salinas, records 76.1°F (24.5°C), while the low-temperature is 54.7°F (12.6°C).

What is the average humidity in September?

The average relative humidity in September is 67%.

How much does it rain in September?

In Salinas, California, in September, it is raining for 2.2 days, with typically 0.08" (2mm) of accumulated precipitation.

How many hours of daylight does Salinas have in September?

In Salinas, the average day length in September is 12h and 24min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:38 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:50 pm PDT.

How long on average sun shines in September?

In Salinas, the average sunshine duration in September is 11.2h.

When is the highest UV index in Salinas?

June through September, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Salinas, CA

Average temperature in September - Salinas, CA
  • Average high temperature in September: 76.1°F

The warmest months (with the highest average high temperature) are August and September (76.1°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in September: 54.7°F

The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).

Average pressure in September
Salinas, CA

Average pressure in September - Salinas, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

Average wind speed in September
Salinas, CA

Average wind speed in September - Salinas, CA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).

Average humidity in September
Salinas, CA

Average humidity in September - Salinas, CA
  • Average humidity in September: 67%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (66%).

Average rainfall in September
Salinas, CA

Average rainfall in September - Salinas, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is December (1.38").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in September
Salinas, CA

Average rainfall days in September - Salinas, CA
  • Average rainfall days in September: 2.2 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.8 days).

Average daylight in September /
Average sunshine in September
Salinas, CA

Average daylight in September / Average sunshine in September - Salinas, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 11h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in September
Salinas, CA

Average sunshine days in September - Salinas, CA
  • Average sunshine days in September: 26.7 days

The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is March (19.2 days).

Average UV index in September
Salinas, CA

Average UV index in September - Salinas, CA
  • Average UV index in September: 5

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

Average cloud cover in September
Salinas, CA

Average cloud cover in September - Salinas, CA
  • Average cloud cover in September: 10

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in September
Salinas, CA

Average visibility in September - Salinas, CA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Salinas, California, USA

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