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
Jamacha signifies an average high-temperature of a still warm 82.6°F (28.1°C) in September, closely mirroring the 84.2°F (29°C) of August. Throughout the month of September, Jamacha expects an average low of 64°F (17.8°C).Heat index
In September, the heat index is appraised at 84.2°F (29°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in September is 57%.Rainfall
In Jamacha, during September, the rain falls for 4.6 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Jamacha, during the entire year, the rain falls for 60.6 days and collects up to 8.66" (220mm) of precipitation.Daylight
The average length of the day in September in Jamacha is 12h and 22min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:33 pm PDT.
Sunshine
In September, the average sunshine in Jamacha is 10.4h.UV index
The months with the highest UV index in Jamacha are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in September translates into this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
How hot does it get in Jamacha in September?
What is the average humidity in September in Jamacha?
How many days does it rain in September in Jamacha?
How many hours of daylight does Jamacha have in September?
What time are sunrise and sunset in September in Jamacha?
How long on average sun shines in September in Jamacha?
When is the highest UV index in Jamacha?
How high is the UV index in September in Jamacha?
Average temperature in September
Jamacha, CA
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is August (66.2°F).
The coldest months (with the lowest average low temperature) are February and December (47.3°F).
Average pressure in September
Jamacha, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in September
Jamacha, CA
- Average wind speed in September: 4.3mph
The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.3mph).
Average humidity in September
Jamacha, CA
- Average humidity in September: 57%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in September
Jamacha, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Jamacha, CA
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.3 days).
Average daylight in September /
Average sunshine in September
Jamacha, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 2min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Jamacha, CA
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (20.3 days).
Average UV index in September
Jamacha, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Jamacha, CA
- Average cloud cover in September: 9
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Jamacha, 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).
Jamacha, California, USA
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