September weather forecastTahoma, CA
September
Weather in September
September, the first month of the autumn in Tahoma, is still a comfortable month, with an average temperature fluctuating between 67.5°F (19.7°C) and 43°F (6.1°C).Temperature
September is characterized by a mild reduction in the average high-temperature, from a pleasant 72.9°F (22.7°C) in August to an enjoyable 67.5°F (19.7°C). Tahoma encounters a substantial decline from its daily high to a low-temperature of 43°F (6.1°C) during September nights.Humidity
In Tahoma, the average relative humidity in September is 46%.Rainfall
In Tahoma, during September, the rain falls for 3.3 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 47.3 rainfall days, and 9.61" (244mm) of precipitation is accumulated.Snowfall
Months with snowfall in Tahoma are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 51.5 snowfall days, and 38.54" (979mm) of snow is accumulated.Daylight
In Tahoma, 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 September, the average sunshine is 11.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tahoma, CA
- Average high temperature in September: 67.5°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in September: 43°F
The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in September
Tahoma, CA
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Tahoma, CA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Tahoma, CA
- Average humidity in September: 46%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in September
Tahoma, CA
- Average rainfall in September: 0.31"
The wettest months (with the highest rainfall) are February and March (1.5").
The driest months (with the least rainfall) are June and August (0.28").
Average rainfall days in September
Tahoma, CA
- Average rainfall days in September: 3.3 days
The month with the highest number of rainy days is May (7.4 days).
The month with the least rainy days is November (2.4 days).
Average snowfall in September
Tahoma, CA
- Average snowfall in September: 0.04"
The month with the highest snowfall is March (8.7").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Tahoma, CA
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is March (9.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Tahoma, 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 30min).
- Average sunshine in September: 11h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Tahoma, CA
- Average sunshine days in September: 25.8 days
The month with the most sunshine days is October (26.8 days).
The month with the least sunshine days is February (19 days).
Average UV index in September
Tahoma, CA
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in September
Tahoma, CA
- Average cloud cover in September: 10
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Tahoma, 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).





