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
Calimesa's average high-temperature in September sits at a warm 84.6°F (29.2°C), showing little difference from the previous month. The average low-temperature of 61.3°F (16.3°C) in September in Calimesa, California, represents a significant drop from the daily high.Humidity
The average relative humidity in September in Calimesa is 39%.Rainfall
In Calimesa, California, in September, during 2.2 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Calimesa, during the entire year, the rain falls for 49.3 days and collects up to 6.69" (170mm) of precipitation.Snowfall
In Calimesa, snow does not fall in January, May through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:13 pm. On the last day of September, in Calimesa, sunrise is at 6:42 am and sunset at 6:33 pm PDT.
Sunshine
The average sunshine in September in Calimesa is 10.6h.UV index
In Calimesa, California, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
Is it hot in Calimesa during September?
What is the average humidity in September in Calimesa?
How much does it rain in Calimesa in September?
When it does not snow in Calimesa?
What is the average length of the day in September in Calimesa?
When is the sunrise / sunset in September in Calimesa?
How long on average sun shines in September in Calimesa?
What is the UV index intensity in September in Calimesa?
Average temperature in September
Calimesa, CA
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in September
Calimesa, CA
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Calimesa, CA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).
Average humidity in September
Calimesa, CA
- Average humidity in September: 39%
The month with the highest relative humidity is February (54%).
The month with the lowest relative humidity is August (36%).
Average rainfall in September
Calimesa, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Calimesa, CA
- Average rainfall days in September: 2.2 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.4 days).
Average snowfall in September
Calimesa, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (0.87").
The months with the least snowfall are January, May, June, July, August, September and October (0").
Average snowfall days in September
Calimesa, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are January, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Calimesa, CA
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Calimesa, CA
- Average sunshine days in September: 26.4 days
The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in September
Calimesa, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Calimesa, CA
- Average cloud cover in September: 7
The months with the most cloud cover are February, March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Calimesa, 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).
Calimesa, California, USA
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