September weather forecastMartins, CA
September
Weather in September
September, the first month of the autumn in Martins, is also a moderately hot month, with an average temperature fluctuating between 85.1°F (29.5°C) and 59°F (15°C).Temperature
As Martins welcomes September, the average high-temperature is noted at a warm 85.1°F (29.5°C), closely aligning with the preceding month. Martins anticipates a considerable daily temperature fluctuation in September, with low temperatures averaging a mild 59°F (15°C).Humidity
In September, the average relative humidity is 38%.Rainfall
In Martins, in September, it is raining for 1.2 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, there are 44.4 rainfall days, and 6.61" (168mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In Martins, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:39 pm PDT.
Sunshine
The average sunshine in September is 11h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Martins, CA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in September
Martins, CA
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Martins, CA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in September
Martins, CA
- Average humidity in September: 38%
The months with the highest relative humidity are February and March (56%).
The month with the lowest relative humidity is August (35%).
Average rainfall in September
Martins, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in September
Martins, CA
- Average rainfall days in September: 1.2 days
The month with the highest number of rainy days is March (7.3 days).
The months with the least rainy days are August and September (1.2 days).
Average snowfall in September
Martins, CA
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.31").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Martins, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Martins, CA
- Average daylight in September: 12h and 24min
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: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and February (Average sunshine: 6h and 48min).
Average sunshine days in September
Martins, CA
- Average sunshine days in September: 28 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in September
Martins, CA
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Martins, CA
- Average cloud cover in September: 5
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Martins, 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).
