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 reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 81.1°F (27.3°C) in August to a pleasant 72.3°F (22.4°C). Havana encounters an average low-temperature of 52.7°F (11.5°C) during September nights.Humidity
September is the least humid month, with an average relative humidity of 64%.Rainfall
In September, the rain falls for 8.9 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 98.2 rainfall days, and 16.26" (413mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Havana, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:52 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:11 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Havana, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the least humid month?
What is the average humidity in September in Havana?
How much does it rain in September?
When it does not snow?
Does it snow in Havana in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Havana have in September?
What is the UV index intensity in September?
Average temperature in September
Havana, ND
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in September
Havana, ND
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Havana, ND
- Average wind speed in September: 9.6mph
The windiest months (with the highest average wind speed) are April and October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in September
Havana, ND
- Average humidity in September: 64%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (64%).
Average rainfall in September
Havana, ND
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in September
Havana, ND
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in September
Havana, ND
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Havana, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Havana, ND
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
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 30min).
Average sunshine days in September
Havana, ND
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Havana, 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 December (UV index 1).
Average cloud cover in September
Havana, ND
- Average cloud cover in September: 28
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
Havana, ND
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Havana, North Dakota, USA
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