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 snowfall in September
- Average snowfall 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
A modest decline in the average high-temperature is seen during September, decreasing from a tropical 94.5°F (34.7°C) in August to a still hot 86.9°F (30.5°C). The mean low-temperature during September nights is a refreshing 66.2°F (19°C).Humidity
In Rand, California, the average relative humidity in September is 22%.Rainfall
In Rand, in September, it is raining for 1.9 days, with typically 0.12" (3mm) of accumulated precipitation. Throughout the year, there are 29.6 rainfall days, and 2.64" (67mm) of precipitation is accumulated.Snowfall
In Rand, snow does not fall in January through October and December.Daylight
The average length of the day in September in Rand is 12h and 23min.On the first day of September, sunrise is at 6:23 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:35 pm PDT.
Sunshine
In Rand, the average sunshine in September is 10.8h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
How hot is it in Rand in September?
What is the average humidity in September in Rand?
How many days does it rain in September in Rand?
When it does not snow in Rand?
What is the average length of the day in September in Rand?
When are sunrise and sunset in September in Rand?
How long on average sun shines in September in Rand?
What is the UV index reading in September in Rand?
Average temperature in September
Rand, CA
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (52.5°F).
- Average low temperature in September: 66.2°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure in September
Rand, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Rand, CA
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in September
Rand, CA
- Average humidity in September: 22%
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is August (20%).
Average rainfall in September
Rand, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is December (0.35").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Rand, CA
- Average rainfall days in September: 1.9 days
The month with the highest number of rainy days is July (4.5 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in September
Rand, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (0.83").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Rand, CA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, February, November and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rand, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).
Average sunshine days in September
Rand, CA
- Average sunshine days in September: 25.4 days
The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is July (23.2 days).
Average UV index in September
Rand, 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
Rand, CA
- Average cloud cover in September: 4
The months with the most cloud cover are January, March and December (Cloud cover 17).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in September
Rand, 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).
Rand, California, USA
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