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
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a tropical 86.4°F (30.2°C) in August to a warm 79.3°F (26.3°C). Throughout September, the average low-temperature dips to a comfortable 61°F (16.1°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Arma, Kansas, in September, it is raining for 10.9 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, in Arma, there are 131.1 rainfall days, and 26.65" (677mm) of precipitation is accumulated.Snowfall
April, June through October are months without snowfall.Daylight
In September, the average length of the day in Arma is 12h and 25min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:02 pm CDT.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Arma?
What is the average humidity in September in Arma?
How much does it rain in Arma in September?
When it does not snow in Arma?
What is the average length of the day in September in Arma?
When is the sunrise / sunset in September in Arma?
How long on average sun shines in September in Arma?
What is the UV index reading in September in Arma?
Average temperature in September
Arma, KS
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Arma, KS
- 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
Arma, KS
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
Arma, KS
- 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
Arma, KS
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Arma, KS
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is December (5.4 days).
Average snowfall in September
Arma, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Arma, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arma, KS
- Average daylight in September: 12h and 2min
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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Arma, KS
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is December (22.3 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index in September
Arma, 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 and December (UV index 2).
Average cloud cover in September
Arma, KS
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in September
Arma, 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).
Arma, Kansas, USA
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