September weather forecastMonroe City, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Monroe City, Missouri, with an average temperature fluctuating between 58.5°F (14.7°C) and 78.3°F (25.7°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from 83.8°F (28.8°C) in August to a still warm 78.3°F (25.7°C). An average low-temperature of 58.5°F (14.7°C) is common during the nights of September.Humidity
In September, the average relative humidity is 74%.Rainfall
In September, in Monroe City, the rain falls for 10.7 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. Throughout the year, in Monroe City, there are 138.7 rainfall days, and 28.03" (712mm) of precipitation is accumulated.Snowfall
Months with snowfall in Monroe City are January through April, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 22.9 snowfall days, and 10.91" (277mm) of snow is accumulated.Daylight
In Monroe City, Missouri, the average length of the day in September is 12h and 26min.On the first day of September in Monroe City, sunrise is at 6:35 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In Monroe City, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Monroe City, MO
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in September
Monroe City, 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 (29.91"Hg).
Average wind speed in September
Monroe City, MO
- Average wind speed in September: 7.1mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in September
Monroe City, MO
- Average humidity in September: 74%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Monroe City, MO
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Monroe City, MO
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in September
Monroe City, MO
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Monroe City, MO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Monroe City, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Monroe City, MO
- Average sunshine days in September: 18 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Monroe City, 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
Monroe City, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Monroe City, 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).
