September weather forecast
Nahcotta, WA

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Weather in September

The first month of the autumn, September, is still a comfortable month in Nahcotta, Washington, with an average temperature ranging between min 55.4°F (13°C) and max 62.2°F (16.8°C).

Temperature

September registers an average high-temperature of a still comfortable 62.2°F (16.8°C), slightly varied from August's 63.3°F (17.4°C). A consistent average low of 55.4°F (13°C) is noted throughout September, only a small step down from its daytime high.

Humidity

In September, the average relative humidity in Nahcotta is 83%.

Rainfall

In Nahcotta, during September, the rain falls for 11.3 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 198.3 rainfall days, and 45.43" (1154mm) of precipitation is accumulated.

Snowfall

In Nahcotta, snow does not fall in April through October and December.

Daylight

In Nahcotta, the average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 6:37 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:57 pm PDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature during September is 62.2°F (16.8°C) and the low-temperature is 55.4°F (13°C).

What is the average humidity in September?

The average relative humidity in September is 83%.

How much does it rain in September?

In Nahcotta, in September, it is raining for 11.3 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow?

In Nahcotta, snow does not fall in April through October and December.

What is the average length of the day in September?

In September, the average day length is 12h and 32min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:37 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:57 pm PDT.

How many hours of sunshine does Nahcotta have in September?

The average sunshine duration in September is 8.4h.

What is the month with the highest UV index?

May through September, with an average maximum UV index of 4, are months with the highest UV index.

What is the UV index intensity in September?

In Nahcotta, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Nahcotta, WA

Average temperature in September - Nahcotta, WA
  • Average high temperature in September: 62.2°F

The warmest month (with the highest average high temperature) is August (63.3°F).
The month with the lowest average high temperature is December (46.4°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (41.2°F).

Average pressure in September
Nahcotta, WA

Average pressure in September - Nahcotta, WA
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

Average wind speed in September
Nahcotta, WA

Average wind speed in September - Nahcotta, WA
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

Average humidity in September
Nahcotta, WA

Average humidity in September - Nahcotta, WA
  • Average humidity in September: 83%

The month with the highest relative humidity is August (86%).
The months with the lowest relative humidity are February, March, April, October and December (81%).

Average rainfall in September
Nahcotta, WA

Average rainfall in September - Nahcotta, WA
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is December (7.28").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days in September
Nahcotta, WA

Average rainfall days in September - Nahcotta, WA
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is March (22.5 days).
The month with the least rainy days is August (8 days).

Average snowfall in September
Nahcotta, WA

Average snowfall in September - Nahcotta, WA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

Average snowfall days in September
Nahcotta, WA

Average snowfall days in September - Nahcotta, WA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Nahcotta, WA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Nahcotta, WA

Average sunshine days in September - Nahcotta, WA
  • Average sunshine days in September: 17 days

The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is March (7.1 days).

Average UV index in September
Nahcotta, WA

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

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).

Average cloud cover in September
Nahcotta, WA

Average cloud cover in September - Nahcotta, WA
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 39).

Average visibility in September
Nahcotta, WA

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

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

Nahcotta, Washington, USA

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