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
September signifies a minor drop in average high-temperature, transitioning from a torrid 98.2°F (36.8°C) in August to a hot 92.1°F (33.4°C). Le Grand registers a pronounced decline from daytime peak temperatures, averaging a refreshing 62.6°F (17°C) lows in September.Humidity
In Le Grand, the average relative humidity in September is 34%.Rainfall
In Le Grand, during September, the rain falls for 1.5 days and regularly aggregates up to 0.08" (2mm) of precipitation. In Le Grand, California, during the entire year, the rain falls for 51 days and collects up to 7.56" (192mm) of precipitation.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September in Le Grand, sunrise is at 6:32 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:45 pm PDT.
Sunshine
In Le Grand, the average sunshine in September is 11.4h.UV index
The average daily maximum UV index in September in Le Grand is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
How hot does it get in Le Grand in September?
What is the average humidity in September in Le Grand?
How much does it rain in Le Grand in September?
What is the average length of the day in September in Le Grand?
When are sunrise and sunset in September in Le Grand?
How long on average sun shines in September in Le Grand?
What is the UV index reading in September in Le Grand?
Average temperature in September
Le Grand, CA
- Average high temperature in September: 92.1°F
The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in September
Le Grand, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Le Grand, CA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in September
Le Grand, CA
- Average humidity in September: 34%
The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (31%).
Average rainfall in September
Le Grand, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Le Grand, CA
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (0.8 days).
Average daylight in September /
Average sunshine in September
Le Grand, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in September
Le Grand, CA
- Average sunshine days in September: 27.2 days
The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in September
Le Grand, CA
- Average UV index in September: 6
The months with the highest UV index are June, 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
Le Grand, CA
- Average cloud cover in September: 5
The months with the most cloud cover are March and December (Cloud cover 30).
The months with the least cloud cover are July, August and September (Cloud cover 5).
Average visibility in September
Le Grand, 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).
Le Grand, California, USA
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