September weather forecastForest Ranch, CA
September
Weather in September
September, the first month of the autumn in Forest Ranch, is still a warm month, with an average temperature varying between 55.4°F (13°C) and 82.4°F (28°C).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a hot 88.3°F (31.3°C) in August to a moderately hot 82.4°F (28°C). Against the high September temperatures, Forest Ranch records an average drop to a moderate 55.4°F (13°C) at night.Humidity
In September, the average relative humidity in Forest Ranch is 39%.Rainfall
In Forest Ranch, California, in September, it is raining for 3.7 days, with typically 0.51" (13mm) of accumulated precipitation. In Forest Ranch, during the entire year, the rain falls for 88.8 days and collects up to 27.6" (701mm) of precipitation.Snowfall
In Forest Ranch, snow does not fall in May through October.Daylight
In Forest Ranch, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:35 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm PDT.
Sunshine
In September, the average sunshine is 11.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Forest Ranch, CA
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (49.1°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in September
Forest Ranch, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Forest Ranch, CA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Forest Ranch, CA
- Average humidity in September: 39%
The month with the highest relative humidity is March (76%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in September
Forest Ranch, CA
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is March (5").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Forest Ranch, CA
- Average rainfall days in September: 3.7 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in September
Forest Ranch, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Forest Ranch, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Forest Ranch, CA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 11h and 6min
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 30min).
Average sunshine days in September
Forest Ranch, CA
- Average sunshine days in September: 25.3 days
The month with the most sunshine days is July (27.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in September
Forest Ranch, CA
- Average UV index in September: 4
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 2).
Average cloud cover in September
Forest Ranch, CA
- Average cloud cover in September: 10
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
Forest 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).
