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 is characterized by a slight reduction in average high-temperature, easing from a tropical 93.7°F (34.3°C) in August to a still hot 87.3°F (30.7°C). In September, Borrego Springs experiences an average nighttime temperature of 66.9°F (19.4°C).Humidity
In Borrego Springs, the average relative humidity in September is 38%.Rainfall
In Borrego Springs, in September, during 6.2 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Borrego Springs, California, during the entire year, the rain falls for 60.2 days and collects up to 7.68" (195mm) of precipitation.Daylight
In September, the average length of the day in Borrego Springs is 12h and 22min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:30 pm PDT.
Sunshine
The average sunshine in September in Borrego Springs is 10.4h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
Is it hot in Borrego Springs during September?
What is the average humidity in September in Borrego Springs?
How many days does it rain in September in Borrego Springs?
What is the average length of the day in September in Borrego Springs?
When are sunrise and sunset in September in Borrego Springs?
How long on average sun shines in September in Borrego Springs?
What is the UV index intensity in September in Borrego Springs?
Average temperature in September
Borrego Springs, CA
- Average high temperature in September: 87.3°F
The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is December (59.4°F).
- Average low temperature in September: 66.9°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).
Average pressure in September
Borrego Springs, CA
- Average pressure in September: 29.84"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Borrego Springs, CA
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in September
Borrego Springs, CA
- Average humidity in September: 38%
The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are June and August (34%).
Average rainfall in September
Borrego Springs, CA
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.38").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in September
Borrego Springs, CA
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.8 days).
Average daylight in September /
Average sunshine in September
Borrego Springs, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Borrego Springs, CA
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (20.4 days).
Average UV index in September
Borrego Springs, CA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Borrego Springs, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Borrego Springs, 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).
Borrego Springs, California, USA
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