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
In Notchko, entering September brings a subtle temperature decrement, reducing from August's 83.3°F (28.5°C) to a still moderately hot 76.8°F (24.9°C). Notchko anticipates a stark contrast in temperature during September nights, with an average low of 43.7°F (6.5°C).Humidity
In Notchko, the average relative humidity in September is 63%.Rainfall
In Notchko, California, in September, it is raining for 4.5 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 127.2 rainfall days, and 39.02" (991mm) of precipitation is accumulated.Snowfall
In Notchko, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Notchko, sunrise is at 6:42 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:58 pm PDT.
Sunshine
In Notchko, California, the average sunshine in September is 10.3h.UV index
In Notchko, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Notchko in September?
What is the average humidity in September in Notchko?
How much does it rain in Notchko in September?
When it does not snow in Notchko?
What is the average length of the day in September in Notchko?
What time are sunrise and sunset in September in Notchko?
How many hours of sunshine does Notchko have in September?
How high is the UV index in September in Notchko?
Average temperature in September
Notchko, CA
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (47.1°F).
- Average low temperature in September: 43.7°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 (30.7°F).
Average pressure in September
Notchko, CA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in September
Notchko, CA
- Average wind speed in September: 3.8mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Notchko, CA
- Average humidity in September: 63%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Notchko, CA
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is January (7.17").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in September
Notchko, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is March (19.3 days).
The months with the least rainy days are July and August (2.3 days).
Average snowfall in September
Notchko, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Notchko, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Notchko, CA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Notchko, CA
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is March (10.3 days).
Average UV index in September
Notchko, 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 February, November and December (UV index 2).
Average cloud cover in September
Notchko, CA
- Average cloud cover in September: 20
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Notchko, CA
- Average visibility in September: 6mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are March, April and December (4mi).
Notchko, California, USA
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