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
With the commencement of September, California records a moderate temperature decline, with the average high easing from August's tropical 86.5°F (30.3°C) to a moderately hot 79.7°F (26.5°C). Throughout the nights in September, California experiences an average low-temperature of 59.4°F (15.2°C).Humidity
In September, the average relative humidity in California is 74%.Rainfall
In California, Missouri, during September, the rain falls for 11.4 days and regularly aggregates up to 2.28" (58mm) of precipitation. In California, during the entire year, the rain falls for 142 days and collects up to 32.13" (816mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In California, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:54 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September in California is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the temperature in September in California?
What is the average humidity in September in California?
How much does it rain in California in September?
When it does not snow in California?
Does it snow in California in September?
What is the average length of the day in September in California?
When are sunrise and sunset in September in California?
How long on average sun shines in September in California?
How high is the UV index in September in California?
Average temperature in September
California, MO
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
California, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
California, MO
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are January and March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
California, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
California, MO
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in September
California, MO
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is December (6.6 days).
Average snowfall in September
California, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
California, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
California, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
California, MO
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
California, MO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
California, MO
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
California, MO
- 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).
California, Missouri, USA
Weather forecast for your location
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