September weather forecast
Tulelake, CA

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Weather in September

September, the first month of the autumn in Tulelake, is also a moderately hot month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 44.1°F (6.7°C).

Temperature

Tulelake's September weather features a light decline in high-temperatures, reducing from a moderately hot 82.8°F (28.2°C) in August to a still warm 74.1°F (23.4°C). Tulelake in September observes a sharp transition from the daytime heat, falling to an average low of 44.1°F (6.7°C).

Humidity

In September, the average relative humidity is 51%.

Rainfall

In Tulelake, California, in September, during 4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Tulelake, California, during the entire year, the rain falls for 97.4 days and collects up to 12.01" (305mm) of precipitation.

Snowfall

Months with snowfall in Tulelake, California, are January through June, September through December. 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 Tulelake, during the entire year, snow falls for 64.6 days and aggregates up to 38.31" (973mm) of snow.

Daylight

In September, the average length of the day in Tulelake is 12h and 28min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm PDT.

Sunshine

In September, the average sunshine is 11.1h.

UV index

The average daily maximum UV index in September in Tulelake, California, 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 the average person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Tulelake in September?

September temperatures in Tulelake vary between a high-temperature of 74.1°F (23.4°C) and a low-temperature of 44.1°F (6.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 82.4°F (28°C).

What is the average humidity in September in Tulelake?

In Tulelake, the average relative humidity in September is 51%.

How many days does it rain in September in Tulelake?

In September, the rain falls for 4 days. Throughout September, 0.39" (10mm) of precipitation is accumulated.

When does it start snowing in Tulelake?

September is the first month it typically snows in Tulelake. 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 Tulelake?

In Tulelake, California, the average day length in September is 12h and 28min.

When is the sunrise / sunset in September in Tulelake?

On the first day of September in Tulelake, sunrise is at 6:32 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm PDT.

How many hours of sunshine does Tulelake have in September?

The average sunshine duration in September is 11.1h.

What is the UV index reading in September in Tulelake?

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

Average temperature in September
Tulelake, CA

Average temperature in September - Tulelake, CA
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).

  • Average low temperature in September: 44.1°F

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).

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Average pressure in September
Tulelake, CA

Average pressure in September - Tulelake, CA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.96"Hg).

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Average wind speed in September
Tulelake, CA

Average wind speed in September - Tulelake, CA
  • Average wind speed in September: 5.1mph

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

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Average humidity in September
Tulelake, CA

Average humidity in September - Tulelake, CA
  • Average humidity in September: 51%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in September
Tulelake, CA

Average rainfall in September - Tulelake, CA
  • Average rainfall in September: 0.39"

The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in September
Tulelake, CA

Average rainfall days in September - Tulelake, CA
  • Average rainfall days in September: 4 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).

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Average snowfall in September
Tulelake, CA

Average snowfall in September - Tulelake, CA
  • Average snowfall in September: 0.08"

The month with the highest snowfall is December (9.57").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Tulelake, CA

Average snowfall days in September - Tulelake, CA
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (13.4 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in September /
Average sunshine in September
Tulelake, CA

Average daylight in September / Average sunshine in September - Tulelake, CA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in September
Tulelake, CA

Average sunshine days in September - Tulelake, CA
  • Average sunshine days in September: 24.8 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).

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Average UV index in September
Tulelake, CA

Average UV index in September - Tulelake, CA
  • 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, March, November and December (UV index 2).

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Average cloud cover in September
Tulelake, CA

Average cloud cover in September - Tulelake, CA
  • Average cloud cover in September: 14

The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in September
Tulelake, CA

Average visibility in September - Tulelake, CA
  • Average visibility in September: 6mi

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

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Tulelake, California, USA

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