Williston September Weather Averages North Dakota, United States of America

September Weather Averages for Williston

High Temp	23°C	74°F
Low Temp	12°C	54°F
Avg Temp	17°C	63°F
Sunshine Hours	263 hours
Rainfall	56.46 mm	2.22 In
Rain days	4 days
Pressure	1013 mb	30 In

Williston September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	21°C / 70°F	10°C / 50°F	15°C / 59°F	252 hours	51.61 mm / 2.03 In	7 days	1015 mb / 30 In
2009	27°C / 80°F	14°C / 58°F	20°C / 68°F	305 hours	13.60 mm / 0.54 In	2 days	1014 mb / 30 In
2010	19°C / 66°F	9°C / 48°F	13°C / 56°F	205 hours	113.37 mm / 4.46 In	10 days	1014 mb / 30 In
2011	23°C / 74°F	11°C / 52°F	17°C / 62°F	320 hours	30.56 mm / 1.20 In	3 days	1015 mb / 30 In
2012	23°C / 74°F	11°C / 53°F	17°C / 63°F	323 hours	1.70 mm / 0.07 In	1 days	1015 mb / 30 In
2013	24°C / 75°F	14°C / 57°F	18°C / 65°F	259 hours	86.60 mm / 3.41 In	3 days	1010 mb / 30 In
2014	21°C / 70°F	11°C / 51°F	16°C / 60°F	273 hours	44.90 mm / 1.77 In	3 days	1014 mb / 30 In
2015	24°C / 74°F	13°C / 55°F	18°C / 64°F	259 hours	42.00 mm / 1.65 In	4 days	1012 mb / 30 In
2016	21°C / 70°F	12°C / 53°F	16°C / 62°F	203 hours	106.50 mm / 4.19 In	7 days	1014 mb / 30 In
2017	22°C / 71°F	12°C / 53°F	17°C / 62°F	243 hours	58.61 mm / 2.31 In	3 days	1014 mb / 30 In
2018	19°C / 66°F	9°C / 49°F	14°C / 57°F	228 hours	53.83 mm / 2.12 In	6 days	1016 mb / 30 In
2019	20°C / 68°F	12°C / 53°F	16°C / 60°F	193 hours	225.90 mm / 8.89 In	12 days	1011 mb / 30 In
2020	23°C / 73°F	11°C / 52°F	17°C / 62°F	307 hours	5.40 mm / 0.21 In	0 days	1014 mb / 30 In
2021	26°C / 79°F	13°C / 56°F	19°C / 66°F	263 hours	5.60 mm / 0.22 In	2 days	1010 mb / 30 In
2022	26°C / 78°F	13°C / 56°F	19°C / 66°F	268 hours	15.30 mm / 0.60 In	3 days	1013 mb / 30 In
2023	26°C / 79°F	13°C / 55°F	19°C / 67°F	264 hours	44.42 mm / 1.75 In	1 days	1012 mb / 30 In
2024	28°C / 82°F	15°C / 59°F	21°C / 70°F	293 hours	55.05 mm / 2.17 In	1 days	1010 mb / 30 In

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