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 indicates a minor shift in the average high-temperature, from August's tropical 92.3°F (33.5°C) to a moderately hot 85.1°F (29.5°C). The temperature dips to an average of 64.6°F (18.1°C) during September nights.Humidity
In September, the average relative humidity is 29%.Rainfall
In Santa Clara, in September, it is raining for 4.9 days, with typically 0.35" (9mm) of accumulated precipitation. In Santa Clara, during the entire year, the rain falls for 66.6 days and collects up to 6.97" (177mm) of precipitation.Snowfall
March through October are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 7:05 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:18 pm MDT.
Sunshine
The average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in September translates into this advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your 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 much does it rain in Santa Clara in September?
When it does not snow?
How many hours of daylight does Santa Clara have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Santa Clara have in September?
How high is the UV index in September?
Average temperature in September
Santa Clara, UT
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is December (31.6°F).
Average pressure in September
Santa Clara, UT
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Santa Clara, UT
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and December (5.3mph).
Average humidity in September
Santa Clara, UT
- Average humidity in September: 29%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (18%).
Average rainfall in September
Santa Clara, UT
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is March (0.98").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Santa Clara, UT
- Average rainfall days in September: 4.9 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.8 days).
Average snowfall in September
Santa Clara, UT
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Santa Clara, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Santa Clara, UT
- 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: 9h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Santa Clara, UT
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is June (26.3 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in September
Santa Clara, UT
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Santa Clara, UT
- Average cloud cover in September: 8
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Santa Clara, UT
- 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).
Santa Clara, Utah, USA
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