September weather forecastArvin, CA
September
Weather in September
September, the first month of the autumn in Arvin, is still a tropical month, with an average temperature ranging between min 58.5°F (14.7°C) and max 86.7°F (30.4°C).Temperature
As September arrives, Arvin's weather displays a minor decrease in high-temperatures, transitioning from August's 92.3°F (33.5°C) to a still hot 86.7°F (30.4°C). Arvin's nights in September are distinguished by a pronounced temperature shift from the day, with an average low of 58.5°F (14.7°C).Humidity
In September, the average relative humidity is 33%.Rainfall
In September, in Arvin, the rain falls for 1.9 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. Throughout the year, in Arvin, there are 54.3 rainfall days, and 6.22" (158mm) of precipitation is accumulated.Snowfall
In Arvin, snow does not fall in January, March through December.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:21 pm. On the last day of September, in Arvin, sunrise is at 6:50 am and sunset at 6:40 pm PDT.
Sunshine
In Arvin, the average sunshine in September is 11.1h.UV index
The average daily maximum UV index in September in Arvin is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Undertake precautions - Guarding against sun damage is counselled. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arvin, CA
- Average high temperature in September: 86.7°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in September
Arvin, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Arvin, CA
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is June (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in September
Arvin, CA
- Average humidity in September: 33%
The months with the highest relative humidity are February and December (58%).
The month with the lowest relative humidity is August (29%).
Average rainfall in September
Arvin, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is December (1.22").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in September
Arvin, CA
- Average rainfall days in September: 1.9 days
The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is June (1.4 days).
Average snowfall in September
Arvin, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Arvin, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Arvin, CA
- Average daylight in September: 12h and 24min
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 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 54min).
Average sunshine days in September
Arvin, CA
- Average sunshine days in September: 26.3 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (20.5 days).
Average UV index in September
Arvin, CA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Arvin, CA
- Average cloud cover in September: 5
The month with the most cloud cover is March (Cloud cover 23).
The months with the least cloud cover are June, July, August and September (Cloud cover 5).
Average visibility in September
Arvin, 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).
