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
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's warm 77.5°F (25.3°C) to a pleasant 71.8°F (22.1°C). Marked by a significant drop from the daytime highs, Homewood's average low-temperature in September stands at a frosty 44.4°F (6.9°C).Humidity
The average relative humidity in September is 45%.Rainfall
In Homewood, in September, during 3.2 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Homewood, during the entire year, the rain falls for 61 days and collects up to 32.01" (813mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.75" (19mm) of snow. In Homewood, California, during the entire year, snow falls for 79.1 days and aggregates up to 185.16" (4703mm) of snow.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:30 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm PDT.
Sunshine
In Homewood, the average sunshine in September is 11.2h.UV index
In Homewood, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Homewood have in September?
What is the UV index intensity in September?
Average temperature in September
Homewood, CA
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (38.8°F).
- Average low temperature in September: 44.4°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is December (23.5°F).
Average pressure in September
Homewood, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Homewood, CA
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are February and March (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Homewood, CA
- Average humidity in September: 45%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in September
Homewood, CA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is March (6.06").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in September
Homewood, CA
- Average rainfall days in September: 3.2 days
The month with the highest number of rainy days is May (9.6 days).
The month with the least rainy days is July (1.9 days).
Average snowfall in September
Homewood, CA
- Average snowfall in September: 0.75"
The month with the highest snowfall is March (43.27").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Homewood, CA
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is March (16.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Homewood, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in September
Homewood, CA
- Average sunshine days in September: 26.2 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is March (12.9 days).
Average UV index in September
Homewood, CA
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Homewood, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Homewood, CA
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Homewood, California, USA
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