September weather forecastRichards, MO
September
Weather in September
The first month of the autumn, September, is still a warm month in Richards, Missouri, with an average temperature fluctuating between 60.4°F (15.8°C) and 78.6°F (25.9°C).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 85.8°F (29.9°C) to a still moderately hot 78.6°F (25.9°C). September's nights observe an average temperature of 60.4°F (15.8°C).Humidity
The average relative humidity in September is 76%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. In Richards, during the entire year, the rain falls for 135.7 days and collects up to 29.06" (738mm) of precipitation.Snowfall
In Richards, snow does not fall in April, June through September.Daylight
In Richards, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:02 pm CDT.
Sunshine
In Richards, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Richards, MO
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Richards, 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 (29.91"Hg).
Average wind speed in September
Richards, MO
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is March (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Richards, MO
- Average humidity in September: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in September
Richards, MO
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is May (5.16").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Richards, MO
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (5.8 days).
Average snowfall in September
Richards, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in September
Richards, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richards, 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 36min).
- Average sunshine in September: 9h and 12min
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 30min).
Average sunshine days in September
Richards, MO
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Richards, MO
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Richards, MO
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Richards, 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).





