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
In September, the average high-temperature marginally drops from a hot 91°F (32.8°C) in August to a moderately hot 85.5°F (29.7°C). North Star Ranch documents a substantial deviation from daytime highs with a consistent low-temperature of 63°F (17.2°C) during September nights.Humidity
In North Star Ranch, the average relative humidity in September is 34%.Rainfall
In North Star Ranch, in September, during 3.3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In North Star Ranch, during the entire year, the rain falls for 49.8 days and collects up to 5.71" (145mm) of precipitation.Snowfall
In North Star Ranch, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:23 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.
Sunshine
In North Star Ranch, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. 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 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?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
North Star Ranch, CA
- Average high temperature in September: 85.5°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is August (67.5°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in September
North Star Ranch, CA
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
North Star Ranch, CA
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are April and May (9.1mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in September
North Star Ranch, CA
- Average humidity in September: 34%
The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (30%).
Average rainfall in September
North Star Ranch, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is December (1.18").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
North Star Ranch, CA
- Average rainfall days in September: 3.3 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (0.8 days).
Average snowfall in September
North Star Ranch, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
North Star Ranch, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
North Star Ranch, 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 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
North Star Ranch, CA
- Average sunshine days in September: 25.8 days
The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in September
North Star Ranch, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
North Star Ranch, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June, August and September (Cloud cover 6).
Average visibility in September
North Star Ranch, 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).
North Star Ranch, California, USA
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