September weather forecastCampo, CA
September
Weather in September
September, the first month of the autumn in Campo, is still a warm month, with an average temperature varying between 85.6°F (29.8°C) and 63.5°F (17.5°C).Temperature
Campo, California, marks the onset of September with an average high-temperature of a warm 85.6°F (29.8°C), a subtle shift from August's 90.3°F (32.4°C). With a notable disparity from daily peak temperatures, the average low-temperature in Campo settles at a refreshing 63.5°F (17.5°C) throughout September.Heat index
In September, the average heat index is evaluated at a hot 86°F (30°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in September is 45%.Rainfall
In September, in Campo, the rain falls for 5 days. Throughout September, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 64.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Snowfall
In Campo, snow does not fall in January, April through November.Daylight
In September, the average length of the day in Campo, California, is 12h and 22min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:09 pm. On the last day of September, in Campo, sunrise is at 6:39 am and sunset at 6:31 pm PDT.
Sunshine
In September, the average sunshine is 10.4h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Campo, CA
- Average high temperature in September: 85.6°F
The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is December (59°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is December (42.3°F).
Average pressure in September
Campo, CA
- Average pressure in September: 29.85"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Campo, CA
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Campo, CA
- Average humidity in September: 45%
The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (43%).
Average rainfall in September
Campo, CA
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Campo, CA
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is July (7.9 days).
The month with the least rainy days is June (1.5 days).
Average snowfall in September
Campo, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Campo, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Campo, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Campo, CA
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (19 days).
Average UV index in September
Campo, CA
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in September
Campo, CA
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Campo, 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).
