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 arrival of September records an average high-temperature of a still hot 88.7°F (31.5°C), closely related to the 93.4°F (34.1°C) observed in August. Acampo records a consistent low-temperature average of 58.5°F (14.7°C) during September, indicating a significant difference from the daytime heat.Heat index
The heat index value during September is computed to be a tropical 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Acampo, the average relative humidity in September is 45%.Rainfall
In Acampo, in September, it is raining for 1.7 days, with typically 0.12" (3mm) of accumulated precipitation. In Acampo, during the entire year, the rain falls for 65.8 days and collects up to 12.8" (325mm) of precipitation.Snowfall
In Acampo, California, snow does not fall in January through November.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:34 pm. On the last day of September, in Acampo, California, sunrise is at 7:00 am and sunset at 6:48 pm PDT.
Sunshine
In Acampo, the average sunshine in September is 11.3h.UV index
In Acampo, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
How hot does it get in Acampo in September?
What is the average humidity in September in Acampo?
How much does it rain in Acampo in September?
When it does not snow in Acampo?
What is the average length of the day in September in Acampo?
When are sunrise and sunset in September in Acampo?
How long on average sun shines in September in Acampo?
What is the UV index intensity in September in Acampo?
Average temperature in September
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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
Acampo, 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).
Acampo, California, USA
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