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 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 brings an average high-temperature of a still tropical 89.2°F (31.8°C), almost identical to the preceding month. Pleasant Grove, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 59.5°F (15.3°C).Heat index
During September, the heat index is estimated at a hot 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
With an average relative humidity of 43%, September is the least humid month.Rainfall
In Pleasant Grove, California, during September, the rain falls for 2.1 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, there are 76.7 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Pleasant Grove, sunrise is at 6:35 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm PDT.
Sunshine
In September, the average sunshine in Pleasant Grove is 11.2h.UV index
In September, the average daily maximum UV index in Pleasant Grove is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
Is it hot in Pleasant Grove during September?
What is the least humid month in Pleasant Grove?
What is the average humidity in September in Pleasant Grove?
How much does it rain in Pleasant Grove in September?
What is the average length of the day in September in Pleasant Grove?
When are sunrise and sunset in September in Pleasant Grove?
How many hours of sunshine does Pleasant Grove have in September?
How high is the UV index in September in Pleasant Grove?
Average temperature in September
Pleasant Grove, CA
- Average high temperature in September: 89.2°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (60.3°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).
Average pressure in September
Pleasant Grove, 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 (29.9"Hg).
Average wind speed in September
Pleasant Grove, CA
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).
Average humidity in September
Pleasant Grove, CA
- Average humidity in September: 43%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (43%).
Average rainfall in September
Pleasant Grove, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is March (2.87").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in September
Pleasant Grove, CA
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (1.1 days).
Average daylight in September /
Average sunshine in September
Pleasant Grove, 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 1min
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 42min).
Average sunshine days in September
Pleasant Grove, CA
- Average sunshine days in September: 27.3 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (16 days).
Average UV index in September
Pleasant Grove, 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
Pleasant Grove, CA
- Average cloud cover in September: 8
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Pleasant Grove, 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).
Pleasant Grove, California, USA
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