September weather forecast and climate
Brookings, SD

What is the temperature in September in Brookings?

In Brookings, in September, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 46.9°F (8.3°C).

How many days does it rain in September in Brookings?

In Brookings, South Dakota, during September, the rain falls for 8.8 days and regularly aggregates up to 3.2" (81mm) of precipitation.

Does it snow in Brookings in September?

In Brookings, South Dakota, in September, it doesn't snow. In October, it regularly snows.
Average temperature in September - Brookings, SD
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is July (81.6°F).
The month with the lowest average high temperature is January (22.9°F).

  • Average low temperature in September: 47°F

The month with the highest average low temperature is July (59.1°F).
The coldest month (with the lowest average low temperature) is January (2.9°F).

Average rainfall in September - Brookings, SD
  • Average rainfall in September: 3.2"

The wettest month (with the highest rainfall) is June (4.3").
Driest months (with the lowest rainfall) are January, February and December (0.4").

Average rainfall days in September - Brookings, SD
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is June (11.7 days).
The month with the lowest number of rainy days is February (4.6 days).

Average snowfall in September - Brookings, SD
  • Average snowfall in September: 0"

The month with the highest snowfall is March (7.6").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in September - Brookings, SD
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (5.3 days).
Months with the lowest number of snowfall days are May, June, July and August (0 days).

Average daylight in September - Brookings, SD
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

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