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 shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 85.5°F (29.7°C) to a still warm 78.4°F (25.8°C). September nights cool down to an average low-temperature of 58.8°F (14.9°C).Humidity
In September, the average relative humidity is 70%.Rainfall
In September, in Blue Rapids, the rain falls for 12.4 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. In Blue Rapids, during the entire year, the rain falls for 127.7 days and collects up to 24.92" (633mm) of precipitation.Snowfall
In Blue Rapids, snow does not fall in June through September.Daylight
In Blue Rapids, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:55 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:10 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Blue Rapids in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Blue Rapids?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September in Blue Rapids?
How many hours of sunshine does Blue Rapids have in September?
What is the UV index reading in September?
Average temperature in September
Blue Rapids, 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 (35.2°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Blue Rapids, KS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Blue Rapids, KS
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Blue Rapids, KS
- Average humidity in September: 70%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Blue Rapids, KS
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Blue Rapids, KS
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Blue Rapids, KS
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Blue Rapids, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blue Rapids, 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: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Blue Rapids, KS
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Blue Rapids, 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
Blue Rapids, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June, July and August (Cloud cover 25).
Average visibility in September
Blue Rapids, 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).
Blue Rapids, Kansas, USA
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