September weather forecastErie, KS
September
Weather in September
September, the first month of the autumn in Erie, is also a moderately hot month, with an average temperature varying between 79.7°F (26.5°C) and 60.8°F (16°C).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a hot 86.4°F (30.2°C) in August to a warm 79.7°F (26.5°C). An average nighttime temperature of 60.8°F (16°C) is witnessed throughout September.Humidity
In September, the average relative humidity is 75%.Rainfall
In September, in Erie, Kansas, the rain falls for 10.8 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. In Erie, during the entire year, the rain falls for 111.7 days and collects up to 19.21" (488mm) of precipitation.Snowfall
April, June through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:49 pm. On the last day of September, in Erie, Kansas, sunrise is at 7:16 am and sunset at 7:05 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Erie, KS
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in September
Erie, 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
Erie, KS
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are March and April (11.2mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Erie, KS
- Average humidity in September: 75%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Erie, KS
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in September
Erie, KS
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Erie, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Erie, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 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
Erie, KS
- 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 36min).
- Average sunshine in September: 9h and 0min
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
Erie, KS
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is January (23.8 days).
The months with the least sunshine days are April and May (15.1 days).
Average UV index in September
Erie, 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
Erie, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Erie, 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).





