September weather forecastBranscomb, CA
September
Weather in September
September, the first month of the autumn in Branscomb, is still a warm month, with an average temperature varying between 49.6°F (9.8°C) and 79.5°F (26.4°C).Temperature
The average high-temperature during September registers at a still moderately hot 79.5°F (26.4°C), closely corresponding to the preceding month. A pronounced dip becomes evident during the nights in September as Branscomb logs a consistent average temperature of 49.6°F (9.8°C).Humidity
July and September, with an average relative humidity of 60%, are the least humid months.Rainfall
In Branscomb, in September, it is raining for 2.6 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 95.1 rainfall days, and 26.77" (680mm) of precipitation is accumulated.Snowfall
May through October and December are months without snowfall.Daylight
In September, the average length of the day in Branscomb is 12h and 26min.On the first day of September, sunrise is at 6:43 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:57 pm PDT.
Sunshine
The average sunshine in September is 10.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 4 in September transforms into this advice:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Branscomb, CA
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is February (36.3°F).
Average pressure in September
Branscomb, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in September
Branscomb, CA
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Branscomb, CA
- Average humidity in September: 60%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July and September (60%).
Average rainfall in September
Branscomb, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is February (5").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in September
Branscomb, CA
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in September
Branscomb, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September, October and December (0").
Average snowfall days in September
Branscomb, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Branscomb, CA
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Branscomb, CA
- Average sunshine days in September: 26.4 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is March (14.4 days).
Average UV index in September
Branscomb, CA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in September
Branscomb, CA
- Average cloud cover in September: 11
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Branscomb, CA
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).
