September weather forecast and climate
Sparks, NV

Stunning waterfront homes near a scenic dock with a few empty boats, in Sparks, Nevada
Stunning waterfront homes near a scenic dock with a few empty boats, in Sparks, Nevada
September, the first month of the autumn, in Sparks, is also a moderately hot month, with average temperature ranging between max 74.8°F (23.8°C) and min 49.8°F (9.9°C).

Temperature

In Sparks, the average high-temperature slightly decreases, from 82.9°F (28.3°C) in August, to a still moderately hot 74.8°F (23.8°C). In September, in Sparks, the average low-temperature is 49.8°F (9.9°C).

Humidity

In Sparks, the average relative humidity is 33%.

Rainfall

In Sparks, Nevada, it is raining for 2.5 days, with typically 0.16" (4mm) of accumulated precipitation. In Sparks, Nevada, during the entire year, the rain falls for 68 days and collects up to 8.07" (205mm) of precipitation.

Snowfall

Months with snowfall in Sparks are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Sparks, during the entire year, snow falls for 33.2 days, and aggregates up to 23.62" (600mm) of snow.

Daylight

In September, the average length of the day in Sparks, Nevada, is 12.4h.

Sunshine

In September, the average sunshine is 11.1h.

UV index

In Sparks, Nevada, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in September in Sparks?

In September, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 49.8°F (9.9°C).

What is the average humidity in September in Sparks?

In Sparks, Nevada, the average relative humidity in September is 33%.

How many days does it rain in September in Sparks?

In Sparks, Nevada, in September, it is raining for 2.5 days, with typically 0.16" (4mm) of accumulated precipitation.

When does it start to snow in Sparks?

September is the first month it typically snows in Sparks. Throughout September, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow.

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

The average length of the day in September in Sparks is 12.4h.

How many hours of sunshine does Sparks have in September?

The average sunshine in September is 11.1h.

What is the UV index reading in September in Sparks?

In Sparks, Nevada, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in September - Sparks, NV
  • Average high temperature in September: 23.8°C

The warmest month (with the highest average high temperature) is July (29.7°C).
The month with the lowest average high temperature is December (3.2°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is December (-4.8°C).

Average pressure in September - Sparks, NV
  • Average pressure in September: 1014mbar

The month with the highest atmospheric pressure is January (1022.5mbar).
The month with the lowest atmospheric pressure is June (1012.6mbar).

Average wind speed in September - Sparks, NV
  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is April (11.8km/h).
The calmest month (with the lowest average wind speed) is January (7.9km/h).

Average humidity in September - Sparks, NV
  • Average humidity in September: 33%

The month with the highest relative humidity is January (73%).
Months with the lowest relative humidity are July and August (28%).

Average rainfall in September - Sparks, NV
  • Average rainfall in September: 4mm

The wettest month (with the highest rainfall) is February (35mm).
The driest months (with the least rainfall) are July and August (2mm).

Average rainfall days in September - Sparks, NV
  • Average rainfall days in September: 2.5 days

The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is August (1.8 days).

Average snowfall in September - Sparks, NV
  • Average snowfall in September: 3mm

The month with the highest snowfall is February (154mm).
Months with the least snowfall are June, July and August (0mm).

Average snowfall days in September - Sparks, NV
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (7.8 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight in September / Average sunshine in September - Sparks, NV
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 11.1h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.1h).

Average sunshine days in September - Sparks, NV
  • Average sunshine days in September: 26.9 days

The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is March (15.9 days).

Average UV index in September - Sparks, NV
  • Average UV index in September: 4

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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

The month with the most cloud cover is December (Cloud cover 33).
Months with the least cloud cover are July and August (Cloud cover 7).

Average visibility in September - Sparks, NV
  • Average visibility in September: 10km

Months with the highest visibility are April, May, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March and December (9km).