September weather forecastHyampom, CA
September
Weather in September
September, the first month of the autumn in Hyampom, is also a moderately hot month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 46.2°F (7.9°C).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from 84.6°F (29.2°C) to a still warm 77.9°F (25.5°C). Despite a significant daily temperature range, Hyampom's temperature falls to a steady low-temperature average of 46.2°F (7.9°C) in September.Humidity
In September, the average relative humidity is 57%.Rainfall
In Hyampom, in September, it is raining for 3.6 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, in Hyampom, there are 119.2 rainfall days, and 33.35" (847mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Hyampom.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:56 pm PDT.
Sunshine
In September, the average sunshine in Hyampom, California, is 10.7h.UV index
In September, the average daily maximum UV index in Hyampom, California, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hyampom, CA
- Average high temperature in September: 77.9°F
The warmest months (with the highest average high temperature) are July and August (84.6°F).
The month with the lowest average high temperature is December (45°F).
- Average low temperature in September: 46.2°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is December (30°F).
Average pressure in September
Hyampom, CA
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in September
Hyampom, CA
- Average wind speed in September: 3.7mph
The windiest months (with the highest average wind speed) are March and April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in September
Hyampom, CA
- Average humidity in September: 57%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Hyampom, CA
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is December (6.14").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in September
Hyampom, CA
- Average rainfall days in September: 3.6 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in September
Hyampom, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hyampom, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Hyampom, 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 18min).
- Average sunshine in September: 10h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Hyampom, CA
- Average sunshine days in September: 24.8 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in September
Hyampom, CA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hyampom, CA
- Average cloud cover in September: 16
The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in September
Hyampom, CA
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are March and December (4mi).
