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 shift into September finds Pleasant Grove at an average high-temperature of a still tropical 89.2°F (31.8°C), closely comparable to August's conditions. Pleasant Grove experiences a consistent, yet significant, drop from daily highs to a low-temperature of 59.5°F (15.3°C) throughout September.Heat index
For September, the heat index is calculated to be a tropical 91.4°F (33°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Heat index data is primarily for areas with shade and subjected to light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
With an average relative humidity of 43%, September is the least humid month.Rainfall
In September, in Pleasant Grove, the rain falls for 2.1 days. Throughout September, 0.16" (4mm) of precipitation is accumulated. 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, 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
The average sunshine in September is 11.2h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the least humid month in Pleasant Grove?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Pleasant Grove have in September?
What is the UV index intensity in September?
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
Weather forecast for your location
2. Allow the app to use your location