September weather forecast
Mercury, NV

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Weather in September

The first month of the autumn, September, is still a warm month in Mercury, Nevada, with an average temperature fluctuating between 84.7°F (29.3°C) and 66.7°F (19.3°C).

Temperature

As August transitions into September, Mercury sees a gentle drop in the average high-temperature, transitioning from a hot 91.9°F (33.3°C) to a moderately hot 84.7°F (29.3°C). During September, Mercury records an average temperature of 66.7°F (19.3°C) at night.

Humidity

In Mercury, the average relative humidity in September is 23%.

Rainfall

In Mercury, in September, during 3 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 43.1 rainfall days, and 3.66" (93mm) of precipitation is accumulated.

Snowfall

In Mercury, snow does not fall in April through October.

Daylight

In Mercury, Nevada, the average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:15 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:28 pm PDT.

Sunshine

In Mercury, Nevada, the average sunshine in September is 10.4h.

UV index

In Mercury, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Mercury in September?

In Mercury, 84.7°F (29.3°C) is the average high-temperature and 66.7°F (19.3°C) is the average low-temperature during September.

What is the average humidity in September in Mercury?

The average relative humidity in September in Mercury is 23%.

How many days does it rain in September in Mercury?

In Mercury, in September, during 3 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

When it does not snow in Mercury?

In Mercury, snow does not fall in April through October.

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

The average day length in September in Mercury is 12h and 24min.

When are sunrise and sunset in September in Mercury?

On the first day of September, sunrise is at 6:15 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:28 pm PDT.

How long on average sun shines in September in Mercury?

In September, the average sunshine duration in Mercury is 10.4h.

What is the UV index intensity in September in Mercury?

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Mercury, NV

Average temperature in September - Mercury, NV
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is December (48.2°F).

  • Average low temperature in September: 66.7°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is December (35.6°F).

Average pressure in September
Mercury, NV

Average pressure in September - Mercury, NV
  • Average pressure in September: 29.86"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.77"Hg).

Average wind speed in September
Mercury, NV

Average wind speed in September - Mercury, NV
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is January (6.7mph).

Average humidity in September
Mercury, NV

Average humidity in September - Mercury, NV
  • Average humidity in September: 23%

The months with the highest relative humidity are January and December (48%).
The month with the lowest relative humidity is June (17%).

Average rainfall in September
Mercury, NV

Average rainfall in September - Mercury, NV
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is July (0.47").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in September
Mercury, NV

Average rainfall days in September - Mercury, NV
  • Average rainfall days in September: 3 days

The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is June (1.4 days).

Average snowfall in September
Mercury, NV

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

The month with the highest snowfall is November (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Mercury, NV

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

The month with the highest number of snowfall days is February (1.1 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
Mercury, NV

Average daylight in September / Average sunshine in September - Mercury, NV
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 10h and 2min

The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in September
Mercury, NV

Average sunshine days in September - Mercury, NV
  • Average sunshine days in September: 25 days

The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (21.2 days).

Average UV index in September
Mercury, NV

Average UV index in September - Mercury, NV
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Mercury, NV

Average cloud cover in September - Mercury, NV
  • Average cloud cover in September: 7

The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and August (Cloud cover 6).

Average visibility in September
Mercury, NV

Average visibility in September - Mercury, 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).

Mercury, Nevada, USA

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