September weather forecast
Drain, OR

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Weather in September

September, the first month of the autumn in Drain, is still a warm month, with an average temperature fluctuating between 73.6°F (23.1°C) and 46°F (7.8°C).

Temperature

September is characterized by a slight reduction in average high-temperature, easing from a moderately hot 80.1°F (26.7°C) in August to a still warm 73.6°F (23.1°C). Contrasting the daytime warmth, Drain's September nights cool down to an average of 46°F (7.8°C).

Humidity

The average relative humidity in September is 74%.

Rainfall

In Drain, Oregon, in September, it is raining for 8.1 days, with typically 1.38" (35mm) of accumulated precipitation. In Drain, during the entire year, the rain falls for 157.8 days and collects up to 30.63" (778mm) of precipitation.

Snowfall

In Drain, Oregon, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:48 pm. On the last day of September, in Drain, sunrise is at 7:10 am and sunset at 6:55 pm PDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 3 transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What are September temperatures in Drain?

In Drain, in September, the average high-temperature is 73.6°F (23.1°C), and the average low-temperature is 46°F (7.8°C).

What is the average humidity in September in Drain?

The average relative humidity in September in Drain, Oregon, is 74%.

How much does it rain in Drain in September?

In Drain, Oregon, in September, it is raining for 8.1 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Drain?

In Drain, Oregon, snow does not fall in May through October.

How many hours of daylight does Drain have in September?

In Drain, the average day length in September is 12h and 29min.

When are sunrise and sunset in September in Drain?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:48 pm. On the last day of the month, in Drain, Oregon, sunrise is at 7:10 am and sunset at 6:55 pm PDT.

How many hours of sunshine does Drain have in September?

In September, the average sunshine duration is 9.3h.

What is the UV index intensity in September in Drain?

In Drain, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Drain, OR

Average temperature in September - Drain, OR
  • Average high temperature in September: 73.6°F

The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is December (45.9°F).

  • Average low temperature in September: 46°F

The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).

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Average pressure in September
Drain, OR

Average pressure in September - Drain, OR
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in September
Drain, OR

Average wind speed in September - Drain, OR
  • Average wind speed in September: 3.5mph

The windiest month (with the highest average wind speed) is January (4.5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

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Average humidity in September
Drain, OR

Average humidity in September - Drain, OR
  • Average humidity in September: 74%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (70%).

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Average rainfall in September
Drain, OR

Average rainfall in September - Drain, OR
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in September
Drain, OR

Average rainfall days in September - Drain, OR
  • Average rainfall days in September: 8.1 days

The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (3.6 days).

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Average snowfall in September
Drain, OR

Average snowfall in September - Drain, OR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Drain, OR

Average snowfall days in September - Drain, OR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Drain, OR

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are February and December (Average sunshine: 4h and 12min).

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Average sunshine days in September
Drain, OR

Average sunshine days in September - Drain, OR
  • Average sunshine days in September: 20 days

The month with the most sunshine days is July (25.8 days).
The months with the least sunshine days are February and March (9.3 days).

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Average UV index in September
Drain, OR

Average UV index in September - Drain, OR
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Drain, OR

Average cloud cover in September - Drain, OR
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in September
Drain, OR

Average visibility in September - Drain, OR
  • Average visibility in September: 5mi

The months with the highest visibility are July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (4mi).

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Drain, Oregon, USA

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