Gampaha September Weather Averages Western, Sri Lanka

September Weather Averages for Gampaha

High Temp	29°C	84°F
Low Temp	25°C	78°F
Avg Temp	27°C	80°F
Sunshine Hours	35 hours
Rainfall	294.16 mm	11.58 In
Rain days	18 days
Pressure	1010 mb	30 In

Gampaha September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	30°C / 85°F	25°C / 78°F	27°C / 81°F	141 hours	137.88 mm / 5.43 In	13 days	1010 mb / 30 In
2009	28°C / 82°F	25°C / 77°F	26°C / 79°F	52 hours	376.78 mm / 14.83 In	20 days	1010 mb / 30 In
2010	29°C / 85°F	25°C / 77°F	27°C / 80°F	53 hours	263.41 mm / 10.37 In	20 days	1009 mb / 30 In
2011	29°C / 85°F	26°C / 78°F	27°C / 81°F	77 hours	377.00 mm / 14.84 In	17 days	1010 mb / 30 In
2012	30°C / 86°F	26°C / 79°F	27°C / 81°F	57 hours	208.22 mm / 8.20 In	21 days	1010 mb / 30 In
2013	29°C / 84°F	25°C / 77°F	27°C / 80°F	42 hours	276.20 mm / 10.87 In	18 days	1009 mb / 30 In
2014	30°C / 85°F	26°C / 78°F	27°C / 81°F	31 hours	262.56 mm / 10.34 In	24 days	1010 mb / 30 In
2015	29°C / 85°F	26°C / 78°F	27°C / 81°F	13 hours	279.15 mm / 10.99 In	26 days	1010 mb / 30 In
2016	28°C / 83°F	25°C / 77°F	26°C / 80°F	0 hours	132.51 mm / 5.22 In	13 days	1010 mb / 30 In
2017	29°C / 84°F	25°C / 78°F	27°C / 80°F	30 hours	271.44 mm / 10.69 In	22 days	1010 mb / 30 In
2018	29°C / 85°F	25°C / 77°F	27°C / 81°F	97 hours	286.85 mm / 11.29 In	14 days	1010 mb / 30 In
2019	29°C / 84°F	25°C / 77°F	27°C / 80°F	59 hours	271.93 mm / 10.71 In	23 days	1010 mb / 30 In
2020	28°C / 82°F	25°C / 78°F	27°C / 80°F	3 hours	432.78 mm / 17.04 In	24 days	1009 mb / 30 In
2021	28°C / 83°F	25°C / 78°F	27°C / 80°F	9 hours	194.90 mm / 7.67 In	21 days	1009 mb / 30 In
2022	28°C / 82°F	25°C / 77°F	26°C / 79°F	8 hours	159.65 mm / 6.29 In	7 days	1010 mb / 30 In
2023	28°C / 82°F	25°C / 77°F	26°C / 79°F	21 hours	583.88 mm / 22.99 In	11 days	1011 mb / 30 In
2024	29°C / 84°F	26°C / 79°F	27°C / 81°F	5 hours	329.29 mm / 12.96 In	5 days	1009 mb / 30 In

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