Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The average high-temperature is a still tropical 88.5°F (31.4°C) in September, hardly different from the 93°F (33.9°C) recorded in August. Galt registers a pronounced decline from daytime peak temperatures, averaging a mild 58.6°F (14.8°C) lows in September.Heat index
The heat index value for September is calculated to be a tropical 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in September is 46%.Rainfall
In Galt, California, in September, during 1.5 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In Galt, during the entire year, the rain falls for 63.8 days and collects up to 12.6" (320mm) of precipitation.Snowfall
In Galt, snow does not fall in January through November.Daylight
In Galt, the average length of the day in September is 12h and 25min.On the first day of September in Galt, sunrise is at 6:35 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:49 pm PDT.
Sunshine
In September, the average sunshine is 11.3h.UV index
In Galt, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
How hot is September in Galt?
What is the average humidity in September in Galt?
How many days does it rain in September in Galt?
When it does not snow in Galt?
How many hours of daylight does Galt have in September?
When is the sunrise / sunset in September in Galt?
How many hours of sunshine does Galt have in September?
How high is the UV index in September in Galt?
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).
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).
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).
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%).
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").
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).
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).
Average daylight in September /
Average sunshine in September
Galt, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 2min
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).
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).
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).
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).
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).
Galt, California, USA
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