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 beginning of September brings a minor change in the average high-temperature, shifting from a sweltering 100.6°F (38.1°C) in August to a hot 94.1°F (34.5°C). Stratford reports a sharp reduction in temperature during September, averaging at a comfortable 63°F (17.2°C) at night.Humidity
In September, the average relative humidity is 34%.Rainfall
The months with the least rainfall are August and September Rain falls for 2 days and accumulates 0.08" (2mm) of rain.Daylight
The average length of the day in September in Stratford is 12h and 23min.On the first day of September, sunrise is at 6:31 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm PDT.
Sunshine
In Stratford, the average sunshine in September is 11.3h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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?
What is the driest month?
How many days does it rain in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Stratford have in September?
What is the UV index intensity in September?
Average temperature in September
Stratford, CA
- Average high temperature in September: 94.1°F
The warmest month (with the highest average high temperature) is July (101.5°F).
The month with the lowest average high temperature is December (57.4°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).
Average pressure in September
Stratford, 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 (29.89"Hg).
Average wind speed in September
Stratford, CA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is June (6mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in September
Stratford, CA
- Average humidity in September: 34%
The months with the highest relative humidity are January and December (67%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in September
Stratford, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is March (1.02").
The driest months (with the least rainfall) are August and September (0.08").
Average rainfall days in September
Stratford, CA
- Average rainfall days in September: 2 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Stratford, 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 42min).
- Average sunshine in September: 11h and 2min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 24min).
Average sunshine days in September
Stratford, CA
- Average sunshine days in September: 27.3 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in September
Stratford, 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, November and December (UV index 3).
Average cloud cover in September
Stratford, CA
- Average cloud cover in September: 5
The months with the most cloud cover are March and December (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Stratford, 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).
Stratford, California, USA
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