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
The arrival of September marks a slight shift to an average high-temperature of a still warm 83.3°F (28.5°C) from August's 84.2°F (29°C). Cudahy anticipates an average minimum temperature of 64.4°F (18°C) in the month of September.Heat index
Throughout September, the heat index is calculated to be a tropical 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Cudahy, the average relative humidity in September is 56%.Rainfall
In Cudahy, during September, the rain falls for 2.5 days and regularly aggregates up to 0.16" (4mm) of precipitation. In Cudahy, during the entire year, the rain falls for 43.4 days and collects up to 6.73" (171mm) of precipitation.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:17 pm. On the last day of September, in Cudahy, sunrise is at 6:47 am and sunset at 6:37 pm PDT.
Sunshine
In Cudahy, California, the average sunshine in September is 10.6h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during September leads to these advisories:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Cudahy have in September?
When is the highest UV index in Cudahy?
How high is the UV index in September?
Average temperature in September
Cudahy, CA
- Average high temperature in September: 83.3°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 (64.6°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in September
Cudahy, CA
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in September
Cudahy, CA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in September
Cudahy, CA
- Average humidity in September: 56%
The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (50%).
Average rainfall in September
Cudahy, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Cudahy, CA
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is March (6.4 days).
The month with the least rainy days is June (1 days).
Average daylight in September /
Average sunshine in September
Cudahy, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Cudahy, CA
- Average sunshine days in September: 24.8 days
The month with the most sunshine days is August (27.2 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in September
Cudahy, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in September
Cudahy, CA
- Average cloud cover in September: 9
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Cudahy, 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).
Cudahy, California, USA
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