Topeka
Kansas, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Topeka, KS

The tall tower of Topeka High School in Topeka, Kansas
The tall tower of Topeka High School in Topeka, Kansas
The first month of the autumn, September, is also a moderately hot month in Topeka, Kansas, with average temperature fluctuating between 56.3°F (13.5°C) and 80.4°F (26.9°C).

Temperature

In Topeka, the average high-temperature slightly decreases, from a tropical 88.5°F (31.4°C) in August, to a moderately hot 80.4°F (26.9°C). In Topeka, the average low-temperature is 56.3°F (13.5°C).

Humidity

The most humid month in Topeka is September, with an average relative humidity of 72.4%.

Rainfall

In Topeka, in September, it is raining for 7.8 days, with typically 3.7" (93mm) of accumulated precipitation. Throughout the year, in Topeka, there are 99.6 rainfall days, and 36.5" (926.1mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

The average sunshine in September is 7.8h.

UV index

The average daily maximum UV index in Topeka is 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Topeka?

In Topeka, Kansas, in September, the average high-temperature is 80.4°F (26.9°C), and the average low-temperature is 56.3°F (13.5°C).

What is the most humid month in Topeka?

The most humid month in Topeka, Kansas, is September, with an average relative humidity of 72.4%.

What is the average humidity in September in Topeka?

The average relative humidity in September in Topeka is 72.4%.

How many days does it rain in September in Topeka?

In September, in Topeka, the rain falls for 7.8 days. Throughout September, 3.7" (93mm) of precipitation is accumulated.

Does it snow in Topeka in September?

In Topeka, Kansas, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Topeka?

May through September are months without snowfall in Topeka.

How many hours of daylight does Topeka have in September?

In September, the average length of the day is 12.4h.

How many hours of sunshine does Topeka have in September?

In Topeka, Kansas, the average sunshine in September is 7.8h.

What is the UV index reading in September in Topeka?

In Topeka, Kansas, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Topeka, KS
  • Average high temperature in September: 80.4°F

The warmest month (with the highest average high temperature) is July (89.5°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average humidity in September - Topeka, KS
  • Average humidity in September: 72.4%

The month with the highest relative humidity is September (72.4%).
The month with the lowest relative humidity is April (64.1%).

Average rainfall in September - Topeka, KS
  • Average rainfall in September: 3.7"

The wettest month (with the highest rainfall) is June (5.4").
The driest month (with the lowest rainfall) is January (0.9").

Average rainfall days in September - Topeka, KS
  • Average rainfall days in September: 7.8 days

The month with the highest number of rainy days is May (11.6 days).
The month with the lowest number of rainy days is January (5.5 days).

Average snowfall in September - Topeka, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is December (5.2").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in September - Topeka, KS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.6 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Topeka, KS
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 7.8h

The month with most sunshine is July (Average sunshine: 10.5h).
The month with least sunshine is December (Average sunshine: 4.9h).

Average UV index in September - Topeka, KS
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January, November and December (UV index 2).