September weather forecastValley City, MO
September
Weather in September
The first month of the autumn, September, is still a warm month in Valley City, Missouri, with an average temperature ranging between min 59.2°F (15.1°C) and max 78.8°F (26°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 84.4°F (29.1°C) in August to a still warm 78.8°F (26°C). In Valley City, the nighttime temperature averages to a moderate 59.2°F (15.1°C) during September.Humidity
In September, the average relative humidity in Valley City is 75%.Rainfall
In Valley City, in September, during 10.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Valley City, during the entire year, the rain falls for 126.4 days and collects up to 20.08" (510mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:58 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Valley City, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Valley City, MO
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Valley City, 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 (29.91"Hg).
Average wind speed in September
Valley City, MO
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Valley City, MO
- Average humidity in September: 75%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Valley City, MO
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Valley City, MO
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Valley City, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Valley City, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Valley City, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Valley City, MO
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is December (22.6 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in September
Valley 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
Valley City, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in September
Valley 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).





