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 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 correlates with a minor temperature reduction, down from August's very hot 96.8°F (36°C) to a tropical 90.7°F (32.6°C). Throughout September nights, Terra Bella reports a steady thermal contrast from the day, with an average low-temperature of 61.9°F (16.6°C).Humidity
In Terra Bella, the average relative humidity in September is 32%.Rainfall
In Terra Bella, in September, it is raining for 1.5 days, with typically 0.12" (3mm) of accumulated precipitation. In Terra Bella, during the entire year, the rain falls for 52.3 days and collects up to 9.37" (238mm) of precipitation.Snowfall
In Terra Bella, snow does not fall in January, March through December.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:23 pm. On the last day of September, in Terra Bella, sunrise is at 6:51 am and sunset at 6:40 pm PDT.
Sunshine
The average sunshine in September in Terra Bella is 11h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 6 transforms into the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
How hot does it get in Terra Bella in September?
What is the average humidity in September in Terra Bella?
How many days does it rain in September in Terra Bella?
When it does not snow in Terra Bella?
What is the average length of the day in September in Terra Bella?
What time are sunrise and sunset in September in Terra Bella?
How long on average sun shines in September in Terra Bella?
How high is the UV index in September in Terra Bella?
Average temperature in September
Terra Bella, CA
- Average high temperature in September: 90.7°F
The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).
Average pressure in September
Terra Bella, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Terra Bella, CA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (3.6mph).
Average humidity in September
Terra Bella, CA
- Average humidity in September: 32%
The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is August (30%).
Average rainfall in September
Terra Bella, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is March (1.93").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in September
Terra Bella, CA
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is August (0.5 days).
Average snowfall days in September
Terra Bella, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Terra Bella, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 11h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Terra Bella, CA
- Average sunshine days in September: 27.7 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.3 days).
Average UV index in September
Terra Bella, 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, November and December (UV index 3).
Average cloud cover in September
Terra Bella, CA
- Average cloud cover in September: 5
The month with the most cloud cover is March (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in September
Terra Bella, 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).
Terra Bella, California, USA
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