September weather forecastLennox, CA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Lennox, California, with an average temperature ranging between max 80.1°F (26.7°C) and min 64.4°F (18°C).Temperature
Lennox starts September with an average high-temperature of a still warm 80.1°F (26.7°C), hinting at a minimal fluctuation from August. Lennox's nights in September experience an average temperature drop to a refreshing 64.4°F (18°C).Humidity
In September, the average relative humidity is 61%.Rainfall
In September, in Lennox, the rain falls for 1.6 days. Throughout September, 0.04" (1mm) of precipitation is accumulated. In Lennox, during the entire year, the rain falls for 29.8 days and collects up to 2.48" (63mm) of precipitation.Daylight
In Lennox, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:27 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:38 pm PDT.
Sunshine
In Lennox, the average sunshine in September is 10.5h.UV index
The months with the highest UV index in Lennox, California, are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lennox, CA
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is August (64.9°F).
The coldest months (with the lowest average low temperature) are February and December (50.9°F).
Average pressure in September
Lennox, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Lennox, CA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).
Average humidity in September
Lennox, CA
- Average humidity in September: 61%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).
Average rainfall in September
Lennox, CA
- Average rainfall in September: 0.04"
The wettest month (with the highest rainfall) is February (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days in September
Lennox, CA
- Average rainfall days in September: 1.6 days
The month with the highest number of rainy days is March (5.1 days).
The month with the least rainy days is June (0.4 days).
Average daylight in September /
Average sunshine in September
Lennox, 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: 10h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).
Average sunshine days in September
Lennox, CA
- Average sunshine days in September: 27.2 days
The month with the most sunshine days is June (29.1 days).
The month with the least sunshine days is February (23.7 days).
Average UV index in September
Lennox, 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
Lennox, CA
- Average cloud cover in September: 11
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Lennox, 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).
