September weather forecast
Galt, CA

Weather in September

The first month of the autumn, September, is also a hot month in Galt, California, with temperature in the range of an average high of 88.5°F (31.4°C) and an average low of 58.6°F (14.8°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a still tropical 88.5°F (31.4°C). The average low-temperature, in Galt, is 58.6°F (14.8°C).

Heat index

The average heat index in September is estimated at a tropical 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, wind), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity in Galt, California, is 46%.

Rainfall

In September, the rain falls for 1.5 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. Throughout the year, there are 63.8 rainfall days, and 12.6" (320mm) of precipitation is accumulated.

Snowfall

In Galt, California, snow does not fall in January through November.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:35 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:49 pm PDT.

Sunshine

In Galt, the average sunshine in September is 11.3h.

UV index

In Galt, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Galt?

In September, the average high-temperature is 88.5°F (31.4°C), and the average low-temperature is 58.6°F (14.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is estimated at 89.6°F (32°C).

What is the average humidity in September in Galt?

In September, the average relative humidity in Galt, California, is 46%.

How much does it rain in Galt in September?

In Galt, during September, the rain falls for 1.5 days and regularly aggregates up to 0.08" (2mm) of precipitation.

When it does not snow in Galt?

In Galt, California, snow does not fall in January through November.

What is the average length of the day in September in Galt?

In September, the average day length in Galt is 12h and 25min.

What time are sunrise and sunset in September in Galt?

On the first day of September in Galt, sunrise is at 6:35 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:49 pm PDT.

How many hours of sunshine does Galt have in September?

The average sunshine duration in September in Galt, California, is 11.3h.

What is the UV index intensity in September in Galt?

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

Average temperature in September
Galt, CA

Average temperature in September - Galt, CA
  • Average high temperature in September: 88.5°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure in September
Galt, CA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Galt, CA

Average wind speed in September - Galt, CA
  • Average wind speed in September: 4.6mph

The windiest months (with the highest average wind speed) are February and June (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

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Average humidity in September
Galt, CA

Average humidity in September - Galt, CA
  • Average humidity in September: 46%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (45%).

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Average rainfall in September
Galt, CA

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

The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in September
Galt, CA

Average rainfall days in September - Galt, CA
  • Average rainfall days in September: 1.5 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is June (0.9 days).

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Average snowfall days in September
Galt, CA

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

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Galt, CA
  • Average daylight in September: 12h and 25min

The month with the longest days is June (Average daylight: 14h and 47min).
The month with the shortest days is December (Average daylight: 9h and 34min).

  • Average sunshine in September: 11h and 18min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in September
Galt, CA

Average sunshine days in September - Galt, CA
  • Average sunshine days in September: 27.5 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.8 days).

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Average UV index in September
Galt, CA

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

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

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Average cloud cover in September
Galt, CA

Average cloud cover in September - Galt, CA
  • Average cloud cover in September: 7

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in September
Galt, CA

Average visibility in September - Galt, 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).

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