Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September indicates a shift in the average high-temperature, from August's warm 80.1°F (26.7°C) to an agreeable 70.3°F (21.3°C). Throughout September, an average nighttime temperature of 50.9°F (10.5°C) is experienced.Humidity
In Pettibone, the average relative humidity in September is 61%.Rainfall
In Pettibone, in September, during 7.8 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 87.8 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
In Pettibone, snow does not fall in June through September.Daylight
In September, the average length of the day in Pettibone, North Dakota, is 12h and 32min.On the first day of September in Pettibone, sunrise is at 6:58 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:18 pm CDT.
Sunshine
In Pettibone, the average sunshine in September is 8.6h.UV index
In Pettibone, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Pettibone in September?
What is the average humidity in September in Pettibone?
How much does it rain in Pettibone in September?
When it does not snow in Pettibone?
Does it snow in Pettibone in September?
How many hours of daylight does Pettibone have in September?
What time are sunrise and sunset in September in Pettibone?
How many hours of sunshine does Pettibone have in September?
What is the UV index reading in September in Pettibone?
Average temperature in September
Pettibone, ND
- Average high temperature in September: 70.3°F
The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is January (16.9°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).
Average pressure in September
Pettibone, ND
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Pettibone, ND
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is October (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Pettibone, ND
- Average humidity in September: 61%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Pettibone, ND
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in September
Pettibone, ND
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.1 days).
Average snowfall in September
Pettibone, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Pettibone, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pettibone, 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 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Pettibone, ND
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in September
Pettibone, ND
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Pettibone, ND
- Average cloud cover in September: 28
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Pettibone, ND
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Pettibone, North Dakota, USA
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