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
In Lamar, the average high-temperature in September slightly decreases from a tropical 86.4°F (30.2°C) in August to a warm 79.9°F (26.6°C). During the month of September, Lamar's nighttime temperature lowers to an average of 61°F (16.1°C).Humidity
In Lamar, the average relative humidity in September is 76%.Rainfall
In Lamar, in September, during 12.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 142.8 rainfall days, and 32.76" (832mm) of precipitation is accumulated.Snowfall
In Lamar, snow does not fall in June through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Lamar, sunrise is at 6:48 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:01 pm CDT.
Sunshine
In Lamar, the average sunshine in September is 9.2h.UV index
In Lamar, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Lamar?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Lamar have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Lamar, MO
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Lamar, 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 (29.92"Hg).
Average wind speed in September
Lamar, MO
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Lamar, MO
- Average humidity in September: 76%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Lamar, MO
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is May (5.79").
The driest months (with the least rainfall) are January and December (1.5").
Average rainfall days in September
Lamar, MO
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Lamar, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Lamar, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lamar, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Lamar, MO
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in September
Lamar, MO
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lamar, MO
- Average cloud cover in September: 30
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in September
Lamar, 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).
Lamar, Missouri, USA
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