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
The start of September involves a subtle temperature drop, shifting from 93.6°F (34.2°C) in August to a still hot 86°F (30°C). A stark contrast in day to night temperatures can be seen in September, with an average low-temperature of 57.7°F (14.3°C).Humidity
The average relative humidity in September is 37%.Rainfall
In Igo, in September, during 3.5 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Igo, during the entire year, the rain falls for 92.2 days and collects up to 20.16" (512mm) of precipitation.Snowfall
January, April through November are months without snowfall.Daylight
In Igo, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:53 pm PDT.
Sunshine
The average sunshine in September is 11.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September in Igo?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Igo have in September?
What is the UV index reading in September?
Average temperature in September
Igo, CA
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).
Average pressure in September
Igo, CA
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Igo, CA
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are March and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.3mph).
Average humidity in September
Igo, CA
- Average humidity in September: 37%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is August (33%).
Average rainfall in September
Igo, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is March (3.94").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in September
Igo, CA
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in September
Igo, CA
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Igo, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Igo, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Igo, CA
- Average sunshine days in September: 25.5 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (13.5 days).
Average UV index in September
Igo, CA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Igo, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Igo, 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).
Igo, California, USA
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