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 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 onset of September brings an average high-temperature of a still tropical 87.4°F (30.8°C), nearly matching the August temperature. Despite soaring daytime temperatures, Orangevale registers a consistent average low-temperature of 58.5°F (14.7°C) in September.Heat index
The heat index value for September is computed to be a hot 87.8°F (31°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September is 42%.Rainfall
In Orangevale, during September, the rain falls for 2.1 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Orangevale, during the entire year, the rain falls for 70.2 days and collects up to 13.43" (341mm) of precipitation.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 September in Orangevale, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:48 pm PDT.
Sunshine
The average sunshine in September in Orangevale is 11.3h.UV index
In September, the average daily maximum UV index in Orangevale is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
Is it hot in Orangevale during September?
What is the average humidity in September in Orangevale?
How many days does it rain in September in Orangevale?
When it does not snow in Orangevale?
What is the average length of the day in September in Orangevale?
When are sunrise and sunset in September in Orangevale?
How long on average sun shines in September in Orangevale?
What is the UV index intensity in September in Orangevale?
Average temperature in September
Orangevale, CA
- Average high temperature in September: 87.4°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in September
Orangevale, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Orangevale, CA
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is February (5.5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in September
Orangevale, CA
- Average humidity in September: 42%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (41%).
Average rainfall in September
Orangevale, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is March (2.48").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Orangevale, CA
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is July (1.2 days).
Average snowfall in September
Orangevale, CA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Orangevale, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.2 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
Orangevale, 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 30min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Orangevale, CA
- Average sunshine days in September: 27.1 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in September
Orangevale, 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
Orangevale, CA
- Average cloud cover in September: 8
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Orangevale, 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).
Orangevale, California, USA
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