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
The advent of September sees the average high-temperature at a still hot 88.7°F (31.5°C), subtly shifted from August's 93.4°F (34.1°C). Victor records a significant temperature drop in September nights, lowering to an average of 58.5°F (14.7°C).Heat index
Throughout September, the heat index is estimated at a hot 89.6°F (32°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 45%.Rainfall
In Victor, during September, the rain falls for 1.7 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 65.8 rainfall days, and 12.8" (325mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:33 pm. On the last day of September, in Victor, sunrise is at 7:00 am and sunset at 6:48 pm PDT.
Sunshine
In September, the average sunshine is 11.3h.UV index
In Victor, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Victor have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Victor have in September?
How high is the UV index in September?
Average temperature in September
Victor, CA
- Average high temperature in September: 88.7°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).
Average pressure in September
Victor, 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 (29.91"Hg).
Average wind speed in September
Victor, CA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in September
Victor, CA
- Average humidity in September: 45%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (44%).
Average rainfall in September
Victor, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Victor, CA
- Average rainfall days in September: 1.7 days
The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is July (0.9 days).
Average snowfall days in September
Victor, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Victor, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Victor, CA
- Average sunshine days in September: 27.2 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in September
Victor, 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
Victor, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Victor, 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).
Victor, California, USA
Weather forecast for your location
2. Allow the app to use your location