September weather forecastSultana, CA
September
Weather in September
September, the first month of the autumn in Sultana, is still a hot month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 90.5°F (32.5°C).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's sweltering 96.4°F (35.8°C) to a tropical 90.5°F (32.5°C). Sultana notes a substantial temperature decline from the daytime peaks throughout September, with an average nighttime temperature of 60.1°F (15.6°C).Humidity
In September, the average relative humidity is 32%.Rainfall
In Sultana, during September, the rain falls for 2.5 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in Sultana, there are 61.2 rainfall days, and 14.29" (363mm) of precipitation is accumulated.Snowfall
In Sultana, snow does not fall in January, March through November.Daylight
In Sultana, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:41 pm PDT.
Sunshine
In September, the average sunshine is 11.1h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 6 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sultana, CA
- Average high temperature in September: 90.5°F
The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in September
Sultana, 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 (29.88"Hg).
Average wind speed in September
Sultana, CA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is June (5mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in September
Sultana, CA
- Average humidity in September: 32%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is August (30%).
Average rainfall in September
Sultana, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is March (2.72").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in September
Sultana, CA
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (1 days).
Average snowfall days in September
Sultana, CA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.1 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
Sultana, 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 42min).
- Average sunshine in September: 11h and 6min
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 42min).
Average sunshine days in September
Sultana, CA
- Average sunshine days in September: 26.6 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in September
Sultana, 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
Sultana, CA
- Average cloud cover in September: 5
The month with the most cloud cover is March (Cloud cover 25).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in September
Sultana, 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).





