September weather forecast
Rice, WA

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Weather in September

September, the first month of the autumn in Rice, is also an agreeable month, with an average temperature ranging between min 44.6°F (7°C) and max 70.7°F (21.5°C).

Temperature

With the onset of September, Rice's average high-temperature adjusts, receding from August's warm 82.8°F (28.2°C) to a pleasant 70.7°F (21.5°C). With a notable disparity from daily peak temperatures, the average low-temperature settles at a chilly 44.6°F (7°C) throughout September.

Humidity

In September, the average relative humidity is 56%.

Rainfall

In Rice, during September, the rain falls for 4.9 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 86.5 rainfall days, and 6.42" (163mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, September, November and December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.51" (13mm) of snow. In Rice, during the entire year, snow falls for 24.6 days and aggregates up to 6.38" (162mm) of snow.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of September, sunrise is at 6:11 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:32 pm PDT.

Sunshine

The average sunshine in September is 10.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In September, in Rice, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 44.6°F (7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 82.4°F (28°C).

What is the average humidity in September?

In Rice, the average relative humidity in September is 56%.

How much does it rain in September?

In Rice, in September, it is raining for 4.9 days, with typically 0.55" (14mm) of accumulated precipitation.

When does it start snowing in Rice?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.51" (13mm) of snow.

What is the average length of the day in September?

In September, the average day length is 12h and 34min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:11 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:32 pm PDT.

How long on average sun shines in September?

In Rice, the average sunshine duration in September is 10.4h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rice, WA

Average temperature in September - Rice, WA
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is August (82.8°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in September: 44.6°F

The month with the highest average low temperature is August (52.3°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).

Average pressure in September
Rice, WA

Average pressure in September - Rice, WA
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in September
Rice, WA

Average wind speed in September - Rice, WA
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are January and December (3.4mph).

Average humidity in September
Rice, WA

Average humidity in September - Rice, WA
  • Average humidity in September: 56%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (47%).

Average rainfall in September
Rice, WA

Average rainfall in September - Rice, WA
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in September
Rice, WA

Average rainfall days in September - Rice, WA
  • Average rainfall days in September: 4.9 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is September (4.9 days).

Average snowfall in September
Rice, WA

Average snowfall in September - Rice, WA
  • Average snowfall in September: 0.51"

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in September
Rice, WA

Average snowfall days in September - Rice, WA
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Rice, WA

Average daylight in September / Average sunshine in September - Rice, WA
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Rice, WA

Average sunshine days in September - Rice, WA
  • Average sunshine days in September: 23.8 days

The month with the most sunshine days is September (23.8 days).
The month with the least sunshine days is June (17.3 days).

Average UV index in September
Rice, WA

Average UV index in September - Rice, WA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Rice, WA

Average cloud cover in September - Rice, WA
  • Average cloud cover in September: 21

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in September
Rice, WA

Average visibility in September - Rice, WA
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (2mi).

Rice, Washington, USA

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