September weather forecast
Warm Springs, OR

Share

Weather in September

September, the first month of the autumn in Warm Springs, is still a pleasant month, with an average temperature varying between 48.6°F (9.2°C) and 72.5°F (22.5°C).

Temperature

In Warm Springs, entering September brings a temperature decrement, reducing from August's warm 81.7°F (27.6°C) to a pleasant 72.5°F (22.5°C). During September, Warm Springs reports a marked contrast from daily peak temperatures, with an average nighttime reading of 48.6°F (9.2°C).

Humidity

The average relative humidity in September is 55%.

Rainfall

In Warm Springs, in September, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 121.1 rainfall days, and 11.38" (289mm) of precipitation is accumulated.

Snowfall

January through May, September, November and December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Warm Springs, during the entire year, snow falls for 35.3 days and aggregates up to 17.6" (447mm) of snow.

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:46 pm PDT.

Sunshine

In September, the average sunshine is 10.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, the average high-temperature and low-temperature are 72.5°F (22.5°C) and 48.6°F (9.2°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is appraised at 82.4°F (28°C).

What is the average humidity in September?

In September, the average relative humidity is 55%.

How much does it rain in September?

In Warm Springs, in September, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation.

When does it start to snow?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

What is the average length of the day in September?

In September, the average day length is 12h and 30min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:28 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:46 pm PDT.

How many hours of sunshine does Warm Springs have in September?

In September, the average sunshine duration is 10.9h.

How high is the UV index 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 exposure to Sun's UV rays.
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
Warm Springs, OR

Average temperature in September - Warm Springs, OR
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in September: 48.6°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

Average pressure in September
Warm Springs, OR

Average pressure in September - Warm Springs, OR
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

Average wind speed in September
Warm Springs, OR

Average wind speed in September - Warm Springs, OR
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Warm Springs, OR

Average humidity in September - Warm Springs, OR
  • Average humidity in September: 55%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (48%).

Average rainfall in September
Warm Springs, OR

Average rainfall in September - Warm Springs, OR
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in September
Warm Springs, OR

Average rainfall days in September - Warm Springs, OR
  • Average rainfall days in September: 6.3 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).

Average snowfall in September
Warm Springs, OR

Average snowfall in September - Warm Springs, OR
  • Average snowfall in September: 0.08"

The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").

Average snowfall days in September
Warm Springs, OR

Average snowfall days in September - Warm Springs, OR
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Warm Springs, OR

Average daylight in September / Average sunshine in September - Warm Springs, OR
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in September
Warm Springs, OR

Average sunshine days in September - Warm Springs, OR
  • Average sunshine days in September: 21.5 days

The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).

Average UV index in September
Warm Springs, OR

Average UV index in September - Warm Springs, OR
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in September
Warm Springs, OR

Average cloud cover in September - Warm Springs, OR
  • Average cloud cover in September: 18

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in September
Warm Springs, OR

Average visibility in September - Warm Springs, OR
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).

Warm Springs, Oregon, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location