Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Seneca's September weather features a light decline in high-temperatures, reducing from a warm 84.7°F (29.3°C) in August to a still moderately hot 78.4°F (25.8°C). During the nights in September, Seneca observes an average low-temperature of 58.3°F (14.6°C).Humidity
In September, the average relative humidity is 72%.Rainfall
In Seneca, in September, during 11.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 113.5 rainfall days, and 19.65" (499mm) of precipitation is accumulated.Snowfall
In Seneca, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:52 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:07 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
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 average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Seneca?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Seneca have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Seneca, KS
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Seneca, KS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Seneca, KS
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in September
Seneca, KS
- Average humidity in September: 72%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Seneca, KS
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Seneca, KS
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Seneca, KS
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Seneca, KS
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Seneca, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Seneca, KS
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
Seneca, KS
- 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, November and December (UV index 2).
Average cloud cover in September
Seneca, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in September
Seneca, 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).
Seneca, Kansas, USA
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