September weather forecast
Alamo, NV

Weather in September

The first month of the autumn, September, is still a warm month in Alamo, Nevada, with an average temperature varying between 78.3°F (25.7°C) and 58.6°F (14.8°C).

Temperature

In September, the average high-temperature slightly decreases from a warm 85.6°F (29.8°C) in August to a still moderately hot 78.3°F (25.7°C). The average low-temperature, in Alamo, is 58.6°F (14.8°C).

Humidity

The average relative humidity in September is 32%.

Rainfall

In Alamo, it is raining for 7 days, with typically 0.79" (20mm) of accumulated precipitation. In Alamo, during the entire year, the rain falls for 75.1 days and collects up to 11.26" (286mm) of precipitation.

Snowfall

In Alamo, snow does not fall in May through October.

Daylight

In September, the average length of the day in Alamo, Nevada, is 12h and 25min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:09 pm. On the last day of September, in Alamo, sunrise is at 6:35 am and sunset at 6:25 pm PDT.

Sunshine

In Alamo, Nevada, the average sunshine in September is 10.1h.

UV index

In September, the average daily maximum UV index in Alamo, Nevada, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Alamo?

In September, the average high-temperature is 78.3°F (25.7°C), and the average low-temperature is 58.6°F (14.8°C).

What is the average humidity in September in Alamo?

In September, the average relative humidity is 32%.

How much does it rain in Alamo in September?

In Alamo, during September, the rain falls for 7 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Alamo?

In Alamo, snow does not fall in May through October.

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

In September, the average day length in Alamo is 12h and 25min.

When is the sunrise / sunset in September in Alamo?

On the first day of September, sunrise is at 6:11 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:25 pm PDT.

How long on average sun shines in September in Alamo?

The average sunshine duration in September in Alamo is 10.1h.

What is the UV index reading in September in Alamo?

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

Average temperature in September
Alamo, NV

Average temperature in September - Alamo, NV
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (41.5°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).

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Average pressure in September
Alamo, NV

Average pressure in September - Alamo, NV
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in September
Alamo, NV

Average wind speed in September - Alamo, NV
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are January, November and December (7.1mph).

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Average humidity in September
Alamo, NV

Average humidity in September - Alamo, NV
  • Average humidity in September: 32%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is June (20%).

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Average rainfall in September
Alamo, NV

Average rainfall in September - Alamo, NV
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in September
Alamo, NV

Average rainfall days in September - Alamo, NV
  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (3.1 days).

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Average snowfall in September
Alamo, NV

Average snowfall in September - Alamo, NV
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Alamo, NV

Average snowfall days in September - Alamo, NV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (4.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Alamo, NV

Average daylight in September / Average sunshine in September - Alamo, NV
  • Average daylight in September: 12h and 25min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 38min).

  • Average sunshine in September: 10h and 6min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in September
Alamo, NV

Average sunshine days in September - Alamo, NV
  • Average sunshine days in September: 21.4 days

The month with the most sunshine days is June (25.4 days).
The months with the least sunshine days are July and August (18.3 days).

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Average UV index in September
Alamo, NV

Average UV index in September - Alamo, NV
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
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
Alamo, NV

Average cloud cover in September - Alamo, NV
  • Average cloud cover in September: 9

The month with the most cloud cover is December (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in September
Alamo, NV

Average visibility in September - Alamo, NV
  • 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).

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