Stillwater
Oklahoma, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Stillwater, OK

September, the first month of the autumn, in Stillwater, is still a warm month, with average temperature fluctuating between 60.6°F (15.9°C) and 84.9°F (29.4°C).

Temperature

In September, the average high-temperature marginally drops, from a hot 93.4°F (34.1°C) in August, to a moderately hot 84.9°F (29.4°C). In September, the average low-temperature is 60.6°F (15.9°C).

Rainfall

In September, the rain falls for 7.1 days. Throughout September, 4.1" (104.9mm) of precipitation is accumulated. Throughout the year, in Stillwater, Oklahoma, there are 75.7 rainfall days, and 36.7" (932.3mm) of precipitation is accumulated.

Snowfall

In Stillwater snow does not fall in April through October.

Daylight

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

What is the temperature in September in Stillwater?

In September, in Stillwater, the average high-temperature is 84.9°F (29.4°C), and the average low-temperature is 60.6°F (15.9°C).

How much does it rain in Stillwater in September?

In Stillwater, Oklahoma, during September, the rain falls for 7.1 days and regularly aggregates up to 4.1" (104.9mm) of precipitation.

When it does not snow in Stillwater?

April through October are months without snowfall in Stillwater.

How many hours of daylight does Stillwater have in September?

The average length of the day in September in Stillwater is 12.4h.
Average temperature in September - Stillwater, OK
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (47.1°F).

  • Average low temperature in September: 60.7°F

The month with the highest average low temperature is July (71°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average rainfall in September - Stillwater, OK
  • Average rainfall in September: 4.1"

The wettest month (with the highest rainfall) is May (5.4").
The driest month (with the lowest rainfall) is January (1.3").

Average rainfall days in September - Stillwater, OK
  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is May (9.1 days).
The month with the lowest number of rainy days is January (4.5 days).

Average snowfall in September - Stillwater, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.1").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Stillwater, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.3 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September - Stillwater, OK
  • 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).