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
The advent of September brings a slight shift in average high-temperature, moving from a moderately hot 82.4°F (28°C) in August to a still warm 76.8°F (24.9°C). In September, Elmer experiences an average nighttime temperature of 57.4°F (14.1°C).Humidity
The average relative humidity in September is 76%.Rainfall
In September, the rain falls for 9.7 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. In Elmer, Missouri, during the entire year, the rain falls for 127.8 days and collects up to 19.53" (496mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Elmer is 12h and 26min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of September, in Elmer, sunrise is at 7:06 am and sunset at 6:54 pm CDT.
Sunshine
In Elmer, the average sunshine in September is 9.3h.UV index
In Elmer, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Elmer?
What is the average humidity in September in Elmer?
How many days does it rain in September in Elmer?
When it does not snow in Elmer?
Does it snow in Elmer in September?
What is the average length of the day in September in Elmer?
When is the sunrise / sunset in September in Elmer?
How many hours of sunshine does Elmer have in September?
How high is the UV index in September in Elmer?
Average temperature in September
Elmer, MO
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Elmer, 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 (29.9"Hg).
Average wind speed in September
Elmer, MO
- Average wind speed in September: 7.6mph
The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Elmer, MO
- Average humidity in September: 76%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Elmer, MO
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in September
Elmer, MO
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (5 days).
Average snowfall in September
Elmer, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Elmer, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Elmer, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Elmer, MO
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Elmer, 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
Elmer, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Elmer, 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).
Elmer, Missouri, USA
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