September weather forecastRichmond, KS
September
Weather in September
September, the first month of the autumn in Richmond, is still a warm month, with an average temperature ranging between min 60.3°F (15.7°C) and max 78.4°F (25.8°C).Temperature
In Richmond, entering September brings a subtle temperature decrement, reducing from August's moderately hot 85.1°F (29.5°C) to a still warm 78.4°F (25.8°C). September nights in Richmond are marked by an average temperature drop to a mild 60.3°F (15.7°C).Humidity
The average relative humidity in September in Richmond is 75%.Rainfall
In Richmond, in September, it is raining for 9 days, with typically 0.94" (24mm) of accumulated precipitation. In Richmond, during the entire year, the rain falls for 102.5 days and collects up to 12.44" (316mm) of precipitation.Snowfall
In Richmond, Kansas, snow does not fall in April, June through September.Daylight
In Richmond, Kansas, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:04 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In Richmond, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 5 transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Richmond, KS
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in September
Richmond, KS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Richmond, KS
- Average wind speed in September: 7.9mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
Richmond, KS
- Average humidity in September: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Richmond, KS
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in September
Richmond, KS
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Richmond, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in September
Richmond, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richmond, KS
- 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 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Richmond, KS
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is May (15.3 days).
Average UV index in September
Richmond, KS
- 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
Richmond, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Richmond, KS
- 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).
