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 onset of September brings an average high-temperature of a still moderately hot 79.3°F (26.3°C), nearly matching the August temperature. The temperature lowers to an average of 59.5°F (15.3°C) during September nights.Humidity
In September, the average relative humidity is 48%.Rainfall
In Mira Monte, in September, during 2.3 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 50.2 rainfall days, and 9.13" (232mm) of precipitation is accumulated.Snowfall
In Mira Monte, snow does not fall in January, February, April through December.Daylight
In Mira Monte, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:30 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:42 pm PDT.
Sunshine
In Mira Monte, the average sunshine in September is 11h.UV index
In Mira Monte, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Mira Monte?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Mira Monte, CA
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is August (61°F).
The coldest month (with the lowest average low temperature) is February (43.2°F).
Average pressure in September
Mira Monte, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in September
Mira Monte, CA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.1mph).
Average humidity in September
Mira Monte, CA
- Average humidity in September: 48%
The month with the highest relative humidity is March (60%).
The month with the lowest relative humidity is October (47%).
Average rainfall in September
Mira Monte, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is February (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Mira Monte, CA
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is March (7.8 days).
The months with the least rainy days are June and August (1.4 days).
Average snowfall days in September
Mira Monte, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (0.1 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Mira Monte, 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: 11h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in September
Mira Monte, CA
- Average sunshine days in September: 25.7 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is February (21.2 days).
Average UV index in September
Mira Monte, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in September
Mira Monte, CA
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Mira Monte, 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).
Mira Monte, California, USA
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