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
In Topeka, entering September brings a subtle temperature decrement, reducing from August's moderately hot 78.3°F (25.7°C) to an agreeable 72.7°F (22.6°C). Throughout September nights, Topeka experiences a consistent temperature average of 54.5°F (12.5°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Topeka, in September, it is raining for 13.2 days, with typically 1.89" (48mm) of accumulated precipitation. In Topeka, during the entire year, the rain falls for 157.5 days and collects up to 28.82" (732mm) of precipitation.Snowfall
In Topeka, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:14 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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?
When it does not snow?
Does it snow in September?
How many hours of daylight does Topeka have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Topeka have in September?
What is the UV index intensity in September?
Average temperature in September
Topeka, IN
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Topeka, IN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Topeka, IN
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Topeka, IN
- Average humidity in September: 80%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Topeka, IN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.61").
Average rainfall days in September
Topeka, IN
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Topeka, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Topeka, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Topeka, IN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Topeka, IN
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Topeka, IN
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Topeka, IN
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Topeka, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Topeka, Indiana, USA
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