September weather forecastAvenal, CA
September
Weather in September
The first month of the autumn, September, is still a tropical month in Avenal, California, with an average temperature ranging between min 63.1°F (17.3°C) and max 91.6°F (33.1°C).Temperature
The advent of September brings a slight shift in average high-temperature, moving from a fiery hot 97.3°F (36.3°C) in August to a hot 91.6°F (33.1°C). Despite drastic daytime highs, Avenal logs an average low-temperature reading of 63.1°F (17.3°C) throughout September.Humidity
In Avenal, the average relative humidity in September is 34%.Rainfall
In September, in Avenal, the rain falls for 1.5 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. Throughout the year, there are 48.4 rainfall days, and 5.59" (142mm) of precipitation is accumulated.Daylight
In Avenal, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:32 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:45 pm PDT.
Sunshine
In Avenal, the average sunshine in September is 11.3h.UV index
In Avenal, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Avenal, CA
- Average high temperature in September: 91.6°F
The warmest month (with the highest average high temperature) is July (98.6°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is December (41.7°F).
Average pressure in September
Avenal, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Avenal, CA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are January and December (4mph).
Average humidity in September
Avenal, CA
- Average humidity in September: 34%
The months with the highest relative humidity are January and December (67%).
The month with the lowest relative humidity is July (32%).
Average rainfall in September
Avenal, 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
Avenal, CA
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is August (0.5 days).
Average daylight in September /
Average sunshine in September
Avenal, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- 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 February (Average sunshine: 6h and 12min).
Average sunshine days in September
Avenal, CA
- Average sunshine days in September: 28 days
The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is February (20.1 days).
Average UV index in September
Avenal, 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
Avenal, CA
- Average cloud cover in September: 5
The months with the most cloud cover are February, March and December (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Avenal, 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).
