September weather forecast
Mount Lemmon, AZ

Mount Lemmon Ski Valley from atop the Mount Lemmon, Arizona
Mount Lemmon Ski Valley from atop the Mount Lemmon, Arizona

Weather in September

September, the first month of the autumn in Mount Lemmon, is also an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 45.1°F (7.3°C).

Temperature

In Mount Lemmon, Arizona, the average high-temperature in September is almost the same as in August - a pleasant 70.3°F (21.3°C). The average low-temperature, in September, is 45.1°F (7.3°C).

Rainfall

In September, in Mount Lemmon, the rain falls for 5 days. Throughout September, 3.39" (86mm) of precipitation is accumulated. In Mount Lemmon, during the entire year, the rain falls for 59 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day in Mount Lemmon is 12h and 21min.
On the first day of the month, sunrise is at 5:58 am and sunset at 6:47 pm. On the last day of September, in Mount Lemmon, sunrise is at 6:16 am and sunset at 6:09 pm MST.

Sunshine

In Mount Lemmon, the average sunshine in September is 10.5h.
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FAQ

What is the temperature in September in Mount Lemmon?

The average high-temperature, in September, is 70.3°F (21.3°C), while the average low-temperature is 45.1°F (7.3°C).

How much does it rain in Mount Lemmon in September?

In September, in Mount Lemmon, Arizona, the rain falls for 5 days. Throughout September, 3.39" (86mm) of precipitation is accumulated.

When it does not snow in Mount Lemmon?

May through September are months without snowfall.

Does it snow in Mount Lemmon in September?

In Mount Lemmon, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Mount Lemmon have in September?

In Mount Lemmon, the average day length in September is 12h and 21min.

When are sunrise and sunset in September in Mount Lemmon?

In September, on the first day of the month, sunrise is at 5:58 am and sunset at 6:47 pm. On the last day of the month, in Mount Lemmon, sunrise is at 6:16 am and sunset at 6:09 pm MST.

How many hours of sunshine does Mount Lemmon have in September?

In Mount Lemmon, Arizona, the average sunshine duration in September is 10.5h.

Average temperature in September
Mount Lemmon, AZ

Average temperature in September - Mount Lemmon, AZ
  • Average high temperature in September: 70.4°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is February (48.3°F).

  • Average low temperature in September: 45.1°F

The months with the highest average low temperature are July and August (49.8°F).
The coldest month (with the lowest average low temperature) is February (21.8°F).

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Average rainfall in September
Mount Lemmon, AZ

Average rainfall in September - Mount Lemmon, AZ
  • Average rainfall in September: 3.4"

The wettest month (with the highest rainfall) is August (7").
The driest month (with the least rainfall) is May (0.3").

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Average rainfall days in September
Mount Lemmon, AZ

Average rainfall days in September - Mount Lemmon, AZ
  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is August (11 days).
The months with the least rainy days are May and June (2 days).

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Average snowfall in September
Mount Lemmon, AZ

Average snowfall in September - Mount Lemmon, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is February (20.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average daylight in September /
Average sunshine in September
Mount Lemmon, AZ

Average daylight in September / Average sunshine in September - Mount Lemmon, AZ
  • Average daylight in September: 12h and 21min

The month with the longest days is June (Average daylight: 14h and 15min).
The month with the shortest days is December (Average daylight: 10h and 4min).

  • Average sunshine in September: 10h and 30min

The month with the most sunshine is June (Average sunshine: 12h and 24min).
The months with the least sunshine are January and December (Average sunshine: 7h and 48min).

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