Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's onset introduces a mild reduction in the average high-temperature, from a tropical 90.3°F (32.4°C) in August to a warm 84.6°F (29.2°C). With a significant daily temperature differential, Tollhouse's nighttime temperature in September falls to an average of 58.8°F (14.9°C).Humidity
In Tollhouse, the average relative humidity in September is 31%.Rainfall
In September, the rain falls for 2.3 days. Throughout September, 0.2" (5mm) of precipitation is accumulated. In Tollhouse, during the entire year, the rain falls for 66.1 days and collects up to 19.76" (502mm) of precipitation.Snowfall
In Tollhouse, snow does not fall in May through October.Daylight
In September, the average length of the day in Tollhouse is 12h and 24min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:25 pm. On the last day of September, in Tollhouse, sunrise is at 6:52 am and sunset at 6:41 pm PDT.
Sunshine
In Tollhouse, the average sunshine in September is 11.1h.UV index
The average daily maximum UV index in September in Tollhouse is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Ensure safety - Sun damage prevention is strongly urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
Is it hot in Tollhouse during September?
What is the average humidity in September in Tollhouse?
How much does it rain in Tollhouse in September?
When it does not snow in Tollhouse?
What is the average length of the day in September in Tollhouse?
When are sunrise and sunset in September in Tollhouse?
How many hours of sunshine does Tollhouse have in September?
What is the UV index reading in September in Tollhouse?
Average temperature in September
Tollhouse, CA
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.2°F).
- Average low temperature in September: 58.8°F
The months with the highest average low temperature are July and August (62.4°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in September
Tollhouse, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Tollhouse, CA
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in September
Tollhouse, CA
- Average humidity in September: 31%
The months with the highest relative humidity are February and March (64%).
The month with the lowest relative humidity is August (28%).
Average rainfall in September
Tollhouse, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is February (3.74").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Tollhouse, CA
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is March (10.9 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in September
Tollhouse, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Tollhouse, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Tollhouse, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in September
Tollhouse, CA
- Average sunshine days in September: 25.8 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in September
Tollhouse, CA
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in September
Tollhouse, CA
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Tollhouse, 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).
Tollhouse, California, USA
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