September weather forecastLoyalton, CA
September
Weather in September
September, the first month of the autumn in Loyalton, is also a moderately hot month, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 73.8°F (23.2°C).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from 81.1°F (27.3°C) in August to a still warm 73.8°F (23.2°C). Loyalton sees a major change from daytime highs, with the nighttime temperature dipping to a wintry 42.3°F (5.7°C) on average during September.Humidity
In September, the average relative humidity is 46%.Rainfall
In Loyalton, during September, the rain falls for 4.5 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Loyalton, during the entire year, the rain falls for 80.1 days and collects up to 22.95" (583mm) 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 0.4 snowfall days, it receives 1.02" (26mm) of snow. Throughout the year, there are 69.3 snowfall days, and 103.5" (2629mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:44 pm PDT.
Sunshine
The average sunshine in September is 11h.UV index
In Loyalton, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Loyalton, CA
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in September: 42.3°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).
Average pressure in September
Loyalton, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Loyalton, CA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in September
Loyalton, CA
- Average humidity in September: 46%
The months with the highest relative humidity are January and March (81%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall in September
Loyalton, CA
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is March (4.02").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in September
Loyalton, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in September
Loyalton, CA
- Average snowfall in September: 1.02"
The month with the highest snowfall is December (22.52").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Loyalton, CA
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is March (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Loyalton, 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: 11h
The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).
Average sunshine days in September
Loyalton, CA
- Average sunshine days in September: 25 days
The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.8 days).
Average UV index in September
Loyalton, CA
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Loyalton, CA
- Average cloud cover in September: 12
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Loyalton, 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 and December (4mi).
