September weather forecastDuquesne, MO
September
Weather in September
The first month of the autumn, September, is still a warm month in Duquesne, Missouri, with an average temperature ranging between min 61.2°F (16.2°C) and max 79.9°F (26.6°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's hot 87.1°F (30.6°C) to a moderately hot 79.9°F (26.6°C). During September, Duquesne's temperature averages to an enjoyable 61.2°F (16.2°C) at night.Humidity
In Duquesne, the average relative humidity in September is 74%.Rainfall
In Duquesne, Missouri, in September, it is raining for 12.5 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 143.4 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
April, June through October are months without snowfall.Daylight
In Duquesne, the average length of the day in September is 12h and 25min.On the first day of September in Duquesne, sunrise is at 6:49 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:02 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.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 rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Duquesne, MO
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in September: 61.2°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 (27.3°F).
Average pressure in September
Duquesne, MO
- Average pressure in September: 30.01"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
Duquesne, MO
- Average wind speed in September: 7.7mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Duquesne, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Duquesne, MO
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in September
Duquesne, MO
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are January and December (6.8 days).
Average snowfall in September
Duquesne, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Duquesne, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Duquesne, MO
- Average daylight in September: 12h and 24min
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 42min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Duquesne, MO
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Duquesne, MO
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Duquesne, MO
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June, July and August (Cloud cover 25).
Average visibility in September
Duquesne, 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).
