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
The arrival of September signals a shift in temperature, down from a warm 80.2°F (26.8°C) in August to an agreeable 70.5°F (21.4°C). An average low-temperature of 52°F (11.1°C) is observed during September nights.Humidity
In Gilby, the average relative humidity in September is 62%.Rainfall
In Gilby, in September, during 8.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 98.8 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
In Gilby, North Dakota, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:48 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:10 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
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 ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gilby in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Gilby?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Gilby, ND
- Average high temperature in September: 70.5°F
The warmest months (with the highest average high temperature) are July and August (80.2°F).
The month with the lowest average high temperature is January (15.4°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).
Average pressure in September
Gilby, 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
Gilby, ND
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in September
Gilby, ND
- Average humidity in September: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Gilby, ND
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Gilby, ND
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Gilby, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gilby, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gilby, ND
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- 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 18min).
Average sunshine days in September
Gilby, ND
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Gilby, 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, February and November (UV index 1).
Average cloud cover in September
Gilby, ND
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Gilby, 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).
Gilby, North Dakota, USA
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