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 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 implies a soft temperature shift, with average high-temperatures reducing from August's torrid 96.4°F (35.8°C) to a tropical 90.5°F (32.5°C). Yettem registers a pronounced decline from daytime peak temperatures, averaging a moderate 60.1°F (15.6°C) lows in September.Humidity
In September, the average relative humidity in Yettem is 32%.Rainfall
In Yettem, during September, the rain falls for 2.5 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in Yettem, California, there are 61.2 rainfall days, and 14.29" (363mm) of precipitation is accumulated.Snowfall
January, March through November are months without snowfall in Yettem.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:29 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:41 pm PDT.
Sunshine
In Yettem, the average sunshine in September is 11.1h.UV index
In Yettem, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the UV index of 6 transforms into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Yettem in September?
What is the average humidity in September in Yettem?
How many days does it rain in September in Yettem?
When it does not snow in Yettem?
How many hours of daylight does Yettem have in September?
What time are sunrise and sunset in September in Yettem?
How long on average sun shines in September in Yettem?
What is the UV index reading in September in Yettem?
Average temperature in September
Yettem, CA
- Average high temperature in September: 90.5°F
The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in September
Yettem, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Yettem, CA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is June (5mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in September
Yettem, CA
- Average humidity in September: 32%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is August (30%).
Average rainfall in September
Yettem, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is March (2.72").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in September
Yettem, CA
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (1 days).
Average snowfall days in September
Yettem, CA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Yettem, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Yettem, CA
- Average sunshine days in September: 26.6 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in September
Yettem, CA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Yettem, CA
- Average cloud cover in September: 5
The month with the most cloud cover is March (Cloud cover 25).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in September
Yettem, 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).
Yettem, California, USA
Weather forecast for your location
2. Allow the app to use your location