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 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
A moderate decline in average high-temperatures is noted in September, moving from a very hot 96.3°F (35.7°C) in August to a tropical 90°F (32.2°C). With a significant daily temperature differential, Hickman's nighttime temperature in September falls to an average of 60.8°F (16°C).Humidity
The average relative humidity in September is 38%.Rainfall
In Hickman, in September, it is raining for 1.7 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, in Hickman, there are 47.2 rainfall days, and 5" (127mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:33 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:47 pm PDT.
Sunshine
In Hickman, the average sunshine in September is 11.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Hickman have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Hickman have in September?
How high is the UV index in September?
Average temperature in September
Hickman, CA
- Average high temperature in September: 90°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 (55.6°F).
- Average low temperature in September: 60.8°F
The months with the highest average low temperature are July and August (63°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in September
Hickman, 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 (29.91"Hg).
Average wind speed in September
Hickman, CA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in September
Hickman, CA
- Average humidity in September: 38%
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (35%).
Average rainfall in September
Hickman, CA
- Average rainfall in September: 0.08"
The wettest months (with the highest rainfall) are March and December (0.98").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in September
Hickman, CA
- Average rainfall days in September: 1.7 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (0.6 days).
Average daylight in September /
Average sunshine in September
Hickman, 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 36min).
- Average sunshine in September: 11h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Hickman, CA
- Average sunshine days in September: 27.1 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in September
Hickman, 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
Hickman, CA
- Average cloud cover in September: 6
The months with the most cloud cover are March and December (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Hickman, 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).
Hickman, California, USA
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