September weather forecast
Martins, CA

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Weather in September

September, the first month of the autumn in Martins, is also a moderately hot month, with an average temperature fluctuating between 85.1°F (29.5°C) and 59°F (15°C).

Temperature

As Martins welcomes September, the average high-temperature is noted at a warm 85.1°F (29.5°C), closely aligning with the preceding month. Martins anticipates a considerable daily temperature fluctuation in September, with low temperatures averaging a mild 59°F (15°C).

Humidity

In September, the average relative humidity is 38%.

Rainfall

In Martins, in September, it is raining for 1.2 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, there are 44.4 rainfall days, and 6.61" (168mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In Martins, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:39 pm PDT.

Sunshine

The average sunshine in September is 11h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

In Martins, in September, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 59°F (15°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in June is computed to be 82.4°F (28°C).

What is the average humidity in September?

The average relative humidity in September is 38%.

How much does it rain in September?

In September, the rain falls for 1.2 days. Throughout September, 0.08" (2mm) of precipitation is accumulated.

When it does not snow?

In Martins, California, snow does not fall in June through October.

How many hours of daylight does Martins have in September?

In September, the average day length is 12h and 23min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:39 pm PDT.

How long on average sun shines in September?

In Martins, the average sunshine duration in September is 11h.

What is the UV index reading in September?

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

Average temperature in September
Martins, CA

Average temperature in September - Martins, CA
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is December (54.7°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).

Average pressure in September
Martins, CA

Average pressure in September - Martins, CA
  • Average pressure in September: 29.89"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Martins, CA

Average wind speed in September - Martins, CA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

Average humidity in September
Martins, CA

Average humidity in September - Martins, CA
  • Average humidity in September: 38%

The months with the highest relative humidity are February and March (56%).
The month with the lowest relative humidity is August (35%).

Average rainfall in September
Martins, CA

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

The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in September
Martins, CA

Average rainfall days in September - Martins, CA
  • Average rainfall days in September: 1.2 days

The month with the highest number of rainy days is March (7.3 days).
The months with the least rainy days are August and September (1.2 days).

Average snowfall in September
Martins, CA

Average snowfall in September - Martins, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is December (5.31").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Martins, CA

Average snowfall days in September - Martins, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 11h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and February (Average sunshine: 6h and 48min).

Average sunshine days in September
Martins, CA

Average sunshine days in September - Martins, CA
  • Average sunshine days in September: 28 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (20.8 days).

Average UV index in September
Martins, CA

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

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Martins, CA

Average cloud cover in September - Martins, CA
  • Average cloud cover in September: 5

The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in September
Martins, CA

Average visibility in September - Martins, 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).

Martins, California, USA

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