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
September reports an average high-temperature of a moderately hot 84.4°F (29.1°C), slightly varied from August's 88.7°F (31.5°C). The nighttime average for Banning in September plummets considerably from its daytime counterpart, resting at a refreshing 61.2°F (16.2°C).Heat index
September's average heat index is appraised at 84.2°F (29°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
In September, the average relative humidity is 40%.Rainfall
In Banning, during September, the rain falls for 2.7 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, there are 47.7 rainfall days, and 6.69" (170mm) of precipitation is accumulated.Snowfall
January, April through October are months without snowfall in Banning.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:21 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:32 pm PDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September in Banning?
What time are sunrise and sunset in September?
How many hours of sunshine does Banning have in September?
How high is the UV index in September?
Average temperature in September
Banning, CA
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in September
Banning, CA
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Banning, CA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).
Average humidity in September
Banning, CA
- Average humidity in September: 40%
The month with the highest relative humidity is February (54%).
The month with the lowest relative humidity is August (37%).
Average rainfall in September
Banning, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Banning, CA
- Average rainfall days in September: 2.7 days
The month with the highest number of rainy days is December (5.9 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in September
Banning, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are January, April, May, June, July, August, September and October (0").
Average snowfall days in September
Banning, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are January, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Banning, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Banning, CA
- Average sunshine days in September: 25.1 days
The month with the most sunshine days is June (28.4 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in September
Banning, CA
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in September
Banning, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Banning, 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).
Banning, California, USA
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