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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 85.5°F (29.7°C) to a still moderately hot 78.6°F (25.9°C). An average minimum temperature of 59.4°F (15.2°C) is recorded during the month of September.Humidity
The average relative humidity in September is 75%.Rainfall
In Tonganoxie, during September, the rain falls for 12.4 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 131.2 rainfall days, and 25.47" (647mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:49 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 in Tonganoxie is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September in Tonganoxie?
When it does not snow?
Does it snow in September?
How many hours of daylight does Tonganoxie have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Tonganoxie have in September?
What is the UV index reading in September?
Average temperature in September
Tonganoxie, KS
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Tonganoxie, KS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Tonganoxie, KS
- Average wind speed in September: 7.5mph
The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Tonganoxie, KS
- Average humidity in September: 75%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (69%).
Average rainfall in September
Tonganoxie, KS
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Tonganoxie, KS
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Tonganoxie, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Tonganoxie, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 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
Tonganoxie, 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 30min).
- 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
Tonganoxie, KS
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Tonganoxie, 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
Tonganoxie, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Tonganoxie, 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).
Tonganoxie, Kansas, USA
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