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
As Visalia enters September, the average high-temperature subtly lowers from the a fiery hot 99.7°F (37.6°C) of August to a hot 92.7°F (33.7°C). In September, the temperature in Visalia registers a significant dip to an average of 61.3°F (16.3°C) at night.Humidity
In Visalia, the average relative humidity in September is 33%.Rainfall
In September, in Visalia, the rain falls for 2.1 days. Throughout September, 0.2" (5mm) of precipitation is accumulated. Throughout the year, in Visalia, there are 62 rainfall days, and 12.17" (309mm) of precipitation is accumulated.Snowfall
In Visalia, snow does not fall in January, March through December.Daylight
In Visalia, the average length of the day in September is 12h and 23min.On the first day of September in Visalia, sunrise is at 6:29 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:41 pm PDT.
Sunshine
The average sunshine in September 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 vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
How hot does it get in Visalia in September?
What is the average humidity in September in Visalia?
How much does it rain in Visalia in September?
When it does not snow in Visalia?
How many hours of daylight does Visalia have in September?
When are sunrise and sunset in September in Visalia?
How long on average sun shines in September in Visalia?
What is the UV index intensity in September in Visalia?
Average temperature in September
Visalia, CA
- Average high temperature in September: 92.7°F
The warmest month (with the highest average high temperature) is July (100.6°F).
The month with the lowest average high temperature is December (56.7°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (41.5°F).
Average pressure in September
Visalia, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Visalia, CA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is June (5.4mph).
The calmest month (with the lowest average wind speed) is December (3.8mph).
Average humidity in September
Visalia, CA
- Average humidity in September: 33%
The month with the highest relative humidity is January (67%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in September
Visalia, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is March (2.32").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in September
Visalia, CA
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (1 days).
Average snowfall days in September
Visalia, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Visalia, CA
- Average daylight in September: 12h and 2min
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 1min
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
Visalia, CA
- Average sunshine days in September: 26.7 days
The month with the most sunshine days is August (28.4 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in September
Visalia, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Visalia, 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
Visalia, 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).
Visalia, California, USA
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