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 arrival of September signals a subtle shift in temperature, down from a hot 93.7°F (34.3°C) in August to a still tropical 86.5°F (30.3°C). During September, Trona experiences a consistent low-temperature average of 65.5°F (18.6°C).Humidity
The average relative humidity in September in Trona is 23%.Rainfall
In Trona, California, in September, it is raining for 2.1 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, there are 34.1 rainfall days, and 2.64" (67mm) of precipitation is accumulated.Snowfall
February through October and December are months without snowfall in Trona.Daylight
In September, the average length of the day in Trona is 12h and 23min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:34 pm PDT.
Sunshine
The average sunshine in September in Trona is 10.8h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 suggests these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
How hot is September in Trona?
What is the average humidity in September in Trona?
How much does it rain in Trona in September?
When it does not snow in Trona?
What is the average length of the day in September in Trona?
What time are sunrise and sunset in September in Trona?
How many hours of sunshine does Trona have in September?
What is the UV index intensity in September in Trona?
Average temperature in September
Trona, CA
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is December (52°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is December (37°F).
Average pressure in September
Trona, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Trona, CA
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is May (9.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in September
Trona, CA
- Average humidity in September: 23%
The months with the highest relative humidity are January and December (47%).
The month with the lowest relative humidity is August (20%).
Average rainfall in September
Trona, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is January (0.35").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Trona, CA
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (4.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in September
Trona, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Trona, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 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
Trona, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).
Average sunshine days in September
Trona, CA
- Average sunshine days in September: 26 days
The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is July (23.6 days).
Average UV index in September
Trona, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Trona, CA
- Average cloud cover in September: 5
The months with the most cloud cover are January, March and December (Cloud cover 17).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in September
Trona, 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).
Trona, California, USA
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