Siloam Springs
Arkansas, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Siloam Springs, AR

The first month of the autumn, September, is still a warm month in Siloam Springs, Arkansas, with average temperature varying between 59°F (15°C) and 81°F (27.2°C).

Temperature

In Siloam Springs, the average high-temperature slightly decreases, from a hot 89.1°F (31.7°C) in August, to a moderately hot 81°F (27.2°C). The average low-temperature, in September, is 59°F (15°C).

Rainfall

Throughout September, 5.1" (128.3mm) of precipitation is accumulated. During the entire year, Siloam Springs aggregates up to 47" (1193.9mm) of precipitation.

Snowfall

In Siloam Springs, Arkansas, it doesn't snow. In October, it regularly snows. In Siloam Springs, Arkansas, during the entire year, snow aggregates up to 9.1" (231.1mm).

Daylight

The average length of the day in September in Siloam Springs is 12.4h.

What is the temperature in September in Siloam Springs?

In Siloam Springs, in September, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 59°F (15°C).

How much does it rain in Siloam Springs in September?

During September, Siloam Springs regularly aggregates up to 5.1" (128.3mm) of precipitation.

Does it snow in Siloam Springs in September?

In Siloam Springs, Arkansas, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Siloam Springs?

The average length of the day in September in Siloam Springs, Arkansas, is 12.4h.
Average temperature in September - Siloam Springs, AR
  • Average high temperature in September: 81°F

Warmest months (with the highest average high temperature) are July and August (89°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (67°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average rainfall in September - Siloam Springs, AR
  • Average rainfall in September: 5.1"

The wettest month (with the highest rainfall) is May (5.2").
The driest month (with the lowest rainfall) is February (2.2").

Average snowfall in September - Siloam Springs, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.3").
Months with the lowest snowfall are April, May, June, July, August and September (0").

Average daylight in September - Siloam Springs, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).