September weather forecast and climate
Syracuse, KS

The first month of the autumn, September, is still a warm month in Syracuse, Kansas, with average temperature fluctuating between 61.7°F (16.5°C) and 83.3°F (28.5°C).

Temperature

In Syracuse, the average high-temperature marginally drops, from a hot 90.5°F (32.5°C) in August, to a warm 83.3°F (28.5°C). In Syracuse, in September, the average low-temperature is 61.7°F (16.5°C).

Heat index

In September, the average heat index is appraised at 84.2°F (29°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like metabolic differences, pregnancy, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Syracuse, Kansas, the average relative humidity in September is 50%.

Rainfall

In Syracuse, during 8.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Syracuse, during the entire year, the rain falls for 87.3 days and collects up to 11.73" (298mm) of precipitation.

Snowfall

In Syracuse snow does not fall in June through September.

Daylight

The average length of the day in Syracuse is 12.4h.

Sunshine

The average sunshine in September is 10h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Syracuse?

In September, in Syracuse, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that factores the actual air temperature with the relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in September in Syracuse?

In Syracuse, Kansas, the average relative humidity in September is 50%.

How many days does it rain in September in Syracuse?

In Syracuse, Kansas, in September, it is raining for 8.2 days, with typically 0.91" (23mm) of accumulated precipitation.

Does it snow in Syracuse in September?

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

When it does not snow in Syracuse?

June through September are months without snowfall in Syracuse, Kansas.

What is the average length of the day in September in Syracuse?

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

How long on average sun shines in September in Syracuse?

In Syracuse, Kansas, the average sunshine in September is 10h.

What is the UV index intensity in September in Syracuse?

In Syracuse, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Syracuse, KS
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

Average pressure in September - Syracuse, KS
  • Average pressure in September: 29.92"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.79").

Average wind speed in September - Syracuse, KS
  • Average wind speed in September: 11.6mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is January (9.9mph).

Average humidity in September - Syracuse, KS
  • Average humidity in September: 50%

The month with the highest relative humidity is January (60%).
The month with the lowest relative humidity is June (44%).

Average rainfall in September - Syracuse, KS
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is January (0.28").

Average rainfall days in September - Syracuse, KS
  • Average rainfall days in September: 8.2 days

Months with the highest number of rainy days are May and July (11.8 days).
The month with the least rainy days is February (2.5 days).

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

The month with the highest snowfall is December (1.42").
Months with the least snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is December (4.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 10h

The month with the most sunshine is June (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 6.4h).

Average sunshine days in September - Syracuse, KS
  • Average sunshine days in September: 18.9 days

The month with the most sunshine days is November (24.8 days).
The month with the least sunshine days is July (16 days).

Average UV index in September - Syracuse, KS
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in September - Syracuse, KS
  • Average cloud cover in September: 17

The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in September - Syracuse, KS
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).