September weather forecast
Lisbon, ND

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Weather in September

September in Lisbon signifies the arrival of autumn, bringing with it a noticeable drop in temperatures. Rains begin to dissipate, and winds mildly pick up speed reaching 9.8mph (15.8km/h). September also registers a reduction of sunlight hours from 15 to 12.5 weather conditions permit an array of activities without the overpowering summer heat. It's the perfect setting for evening walks in the park, capturing the multi-colored foliage, and relishing the subtle changes in the air.

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from a warm 80.8°F (27.1°C) in August to an agreeable 72°F (22.2°C). In Lisbon, September is marked by an average low-temperature of 52.7°F (11.5°C).

Humidity

The least humid month in Lisbon is September, with an average relative humidity of 62%.

Rainfall

In Lisbon, in September, during 8.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 102.2 rainfall days, and 18.19" (462mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Lisbon.

Daylight

The average length of the day in September in Lisbon is 12h and 32min.
On the first day of the month, sunrise is at 6:51 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:11 pm CDT.

Sunshine

In September, the average sunshine in Lisbon is 8.8h.

UV index

In Lisbon, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What is the average September temperature in Lisbon?

September temperatures vary between a high-temperature of 72°F (22.2°C) and a low-temperature of 52.7°F (11.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 82.4°F (28°C).

What is the least humid month in Lisbon?

September is the least humid month in Lisbon, with an average relative humidity of 62%.

What is the average humidity in September in Lisbon?

In Lisbon, the average relative humidity in September is 62%.

How much does it rain in Lisbon in September?

In September, the rain falls for 8.8 days. Throughout September, 1.34" (34mm) of precipitation is accumulated.

When it does not snow in Lisbon?

In Lisbon, North Dakota, snow does not fall in June through September.

Does it snow in Lisbon in September?

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

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

In September, the average day length is 12h and 32min.

When is the sunrise / sunset in September in Lisbon?

On the first day of September in Lisbon, sunrise is at 6:51 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:11 pm CDT.

How many hours of sunshine does Lisbon have in September?

The average sunshine duration in September in Lisbon, North Dakota, is 8.8h.

How high is the UV index in September in Lisbon?

In September, the average daily maximum UV index in Lisbon is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Lisbon, ND

Average temperature in September - Lisbon, ND
  • Average high temperature in September: 72°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5°F).

Average pressure in September
Lisbon, ND

Average pressure in September - Lisbon, ND
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Lisbon, ND

Average wind speed in September - Lisbon, ND
  • Average wind speed in September: 9.8mph

The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity in September
Lisbon, ND

Average humidity in September - Lisbon, ND
  • Average humidity in September: 62%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is September (62%).

Average rainfall in September
Lisbon, ND

Average rainfall in September - Lisbon, ND
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in September
Lisbon, ND

Average rainfall days in September - Lisbon, ND
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in September
Lisbon, ND

Average snowfall in September - Lisbon, ND
  • Average snowfall in September: 0"

The month with the highest snowfall is December (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Lisbon, ND

Average snowfall days in September - Lisbon, ND
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Lisbon, ND

Average daylight in September / Average sunshine in September - Lisbon, ND
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in September
Lisbon, ND

Average sunshine days in September - Lisbon, ND
  • Average sunshine days in September: 19.8 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (12 days).

Average UV index in September
Lisbon, ND

Average UV index in September - Lisbon, ND
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in September
Lisbon, ND

Average cloud cover in September - Lisbon, ND
  • Average cloud cover in September: 27

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 24).

Average visibility in September
Lisbon, ND

Average visibility in September - Lisbon, ND
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

Lisbon, North Dakota, USA

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