September weather forecastFriant, CA
September
Weather in September
The first month of the autumn, September, is still a tropical month in Friant, California, with an average temperature ranging between min 63°F (17.2°C) and max 91.4°F (33°C).Temperature
September brings a slight decrease in temperature, down from a torrid 97.9°F (36.6°C) in August to a tropical 91.4°F (33°C). Friant experiences a dramatic descent in temperature during September, with the average nighttime reading settling at a comfortable 63°F (17.2°C).Humidity
The average relative humidity in September is 31%.Rainfall
In Friant, in September, during 2.2 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 58.2 rainfall days, and 11.18" (284mm) of precipitation is accumulated.Daylight
In Friant, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:43 pm PDT.
Sunshine
In September, the average sunshine is 11.2h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 in September translates into these instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Friant, CA
- Average high temperature in September: 91.4°F
The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in September
Friant, 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 (29.89"Hg).
Average wind speed in September
Friant, CA
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is June (5.5mph).
The calmest month (with the lowest average wind speed) is November (3.7mph).
Average humidity in September
Friant, CA
- Average humidity in September: 31%
The month with the highest relative humidity is January (65%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall in September
Friant, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is March (2.2").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in September
Friant, CA
- Average rainfall days in September: 2.2 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (1.3 days).
Average daylight in September /
Average sunshine in September
Friant, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Friant, CA
- Average sunshine days in September: 26.6 days
The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in September
Friant, CA
- Average UV index in September: 6
The months with the highest UV index are June, 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
Friant, CA
- Average cloud cover in September: 5
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Friant, 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).
