September weather forecast
Granite, OR

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Weather in September

September, the first month of the autumn in Granite, is also an agreeable month, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 71.2°F (21.8°C).

Temperature

September's arrival corresponds with a decrease in average high-temperatures, from August's warm 81.3°F (27.4°C) to a pleasant 71.2°F (21.8°C). Nighttime temperatures in Granite exhibit a substantial dip from daytime highs during September, averaging at a frosty 47.3°F (8.5°C).

Humidity

In Granite, the average relative humidity in September is 47%.

Rainfall

In Granite, during September, the rain falls for 6.5 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, in Granite, there are 113.5 rainfall days, and 12.56" (319mm) of precipitation is accumulated.

Snowfall

In Granite, snow does not fall in June through September.

Daylight

In Granite, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:35 pm PDT.

Sunshine

In Granite, the average sunshine in September is 10.7h.

UV index

In Granite, Oregon, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the usual temperature for Granite in September?

The high-temperature, in September, in Granite, records 71.2°F (21.8°C), while the low-temperature is 47.3°F (8.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 80.6°F (27°C).

What is the average humidity in September in Granite?

In Granite, Oregon, the average relative humidity in September is 47%.

How much does it rain in Granite in September?

In Granite, Oregon, during September, the rain falls for 6.5 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When it does not snow in Granite?

In Granite, snow does not fall in June through September.

Does it snow in Granite in September?

In Granite, Oregon, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Granite?

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

When is the sunrise / sunset in September in Granite?

On the first day of September in Granite, Oregon, sunrise is at 6:16 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:35 pm PDT.

How long on average sun shines in September in Granite?

In September, the average sunshine duration in Granite, Oregon, is 10.7h.

What is the UV index intensity in September in Granite?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents 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
Granite, OR

Average temperature in September - Granite, OR
  • Average high temperature in September: 71.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).

  • Average low temperature in September: 47.3°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

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Average pressure in September
Granite, OR

Average pressure in September - Granite, OR
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

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Average wind speed in September
Granite, OR

Average wind speed in September - Granite, OR
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).

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Average humidity in September
Granite, OR

Average humidity in September - Granite, OR
  • Average humidity in September: 47%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in September
Granite, OR

Average rainfall in September - Granite, OR
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").

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Average rainfall days in September
Granite, OR

Average rainfall days in September - Granite, OR
  • Average rainfall days in September: 6.5 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).

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Average snowfall in September
Granite, OR

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

The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Granite, OR

Average snowfall days in September - Granite, OR
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Granite, 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 4min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in September
Granite, OR

Average sunshine days in September - Granite, OR
  • Average sunshine days in September: 21.4 days

The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).

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Average UV index in September
Granite, OR

Average UV index in September - Granite, 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 January (UV index 1).

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Average cloud cover in September
Granite, OR

Average cloud cover in September - Granite, OR
  • Average cloud cover in September: 15

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).

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Average visibility in September
Granite, OR

Average visibility in September - Granite, OR
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Granite, Oregon, USA

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