September weather forecastMountain View, MO
September
Weather in September
September, the first month of the autumn in Mountain View, is still a warm month, with an average temperature varying between 59.5°F (15.3°C) and 80.4°F (26.9°C).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's tropical 87.6°F (30.9°C) to a warm 80.4°F (26.9°C). Throughout September, a steady low-temperature average of 59.5°F (15.3°C) is noted.Humidity
In September, the average relative humidity in Mountain View is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 10.3 days and accumulates 1.22" (31mm) of precipitation.Snowfall
In Mountain View, snow does not fall in May through October.Daylight
In September, the average length of the day in Mountain View is 12h and 24min.On the first day of September, sunrise is at 6:38 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:51 pm CDT.
Sunshine
In September, the average sunshine in Mountain View is 9.3h.UV index
In Mountain View, Missouri, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. 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
Average temperature in September
Mountain View, MO
- Average high temperature in September: 80.4°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 (41.5°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Mountain View, 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 (29.93"Hg).
Average wind speed in September
Mountain View, MO
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in September
Mountain View, MO
- Average humidity in September: 74%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Mountain View, MO
- Average rainfall in September: 1.22"
The wettest months (with the highest rainfall) are April and May (3.15").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in September
Mountain View, MO
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (7 days).
Average snowfall in September
Mountain View, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Mountain View, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mountain View, 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 June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Mountain View, MO
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is December (20.5 days).
The months with the least sunshine days are May and June (12.6 days).
Average UV index in September
Mountain View, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Mountain View, MO
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Mountain View, MO
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
