September weather forecastLa Monte, MO
September
Weather in September
September, the first month of the autumn in La Monte, is still a warm month, with an average temperature ranging between max 78.8°F (26°C) and min 59.4°F (15.2°C).Temperature
La Monte's weather subtly changes with the onset of September, barely falling from a moderately hot 84.7°F (29.3°C) in August to a still warm 78.8°F (26°C). La Monte, during September nights, observes an average temperature of 59.4°F (15.2°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In La Monte, in September, during 12.1 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In La Monte, during the entire year, the rain falls for 139.6 days and collects up to 28.43" (722mm) of precipitation.Snowfall
In La Monte, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:57 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Monte, MO
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
La Monte, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
La Monte, MO
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
La Monte, MO
- Average humidity in September: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
La Monte, MO
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in September
La Monte, MO
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
La Monte, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
La Monte, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
La Monte, MO
- Average daylight in September: 12h and 24min
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 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
La Monte, MO
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
La Monte, 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
La Monte, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
La Monte, 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).
