September weather forecast
Shafter, CA

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Weather in September

The first month of the autumn, September, is also a hot month in Shafter, California, with an average temperature varying between 92.3°F (33.5°C) and 62.4°F (16.9°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from a very hot 98.2°F (36.8°C) in August to a hot 92.3°F (33.5°C). In September, the temperature registers a significant dip to an average of 62.4°F (16.9°C) at night.

Humidity

In Shafter, the average relative humidity in September is 34%.

Rainfall

In Shafter, in September, it is raining for 1.4 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, there are 51.3 rainfall days, and 7.01" (178mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September in Shafter, sunrise is at 6:29 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:41 pm PDT.

Sunshine

The average sunshine in September is 11.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

The average high-temperature, in September, in Shafter, is 92.3°F (33.5°C), while the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in May is evaluated at 80.6°F (27°C).

What is the average humidity in September?

In September, the average relative humidity is 34%.

How many days does it rain in September?

In Shafter, during September, the rain falls for 1.4 days and regularly aggregates up to 0.08" (2mm) of precipitation.

When it does not snow?

March through December are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:41 pm PDT.

How long on average sun shines in September?

The average sunshine duration in September in Shafter is 11.1h.

What is the UV index intensity in September?

In Shafter, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Shafter, CA

Average temperature in September - Shafter, CA
  • Average high temperature in September: 92.3°F

The warmest month (with the highest average high temperature) is July (99.5°F).
The month with the lowest average high temperature is December (58.8°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average pressure in September
Shafter, CA

Average pressure in September - Shafter, CA
  • Average pressure in September: 29.9"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Shafter, CA

Average wind speed in September - Shafter, CA
  • Average wind speed in September: 4.3mph

The windiest months (with the highest average wind speed) are June and July (5mph).
The calmest months (with the lowest average wind speed) are November and December (3.7mph).

Average humidity in September
Shafter, CA

Average humidity in September - Shafter, CA
  • Average humidity in September: 34%

The months with the highest relative humidity are January and December (61%).
The month with the lowest relative humidity is August (30%).

Average rainfall in September
Shafter, CA

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

The wettest month (with the highest rainfall) is March (1.22").
The driest month (with the least rainfall) is August (0.04").

Average rainfall days in September
Shafter, CA

Average rainfall days in September - Shafter, CA
  • Average rainfall days in September: 1.4 days

The month with the highest number of rainy days is March (8.9 days).
The month with the least rainy days is August (0.8 days).

Average snowfall days in September
Shafter, CA

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

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 11h and 1min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in September
Shafter, CA

Average sunshine days in September - Shafter, CA
  • Average sunshine days in September: 27.6 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.7 days).

Average UV index in September
Shafter, CA

Average UV index in September - Shafter, CA
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are November and December (UV index 3).

Average cloud cover in September
Shafter, CA

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

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are July, August and September (Cloud cover 5).

Average visibility in September
Shafter, CA

Average visibility in September - Shafter, 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).

Shafter, California, USA

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