September weather forecast and climate
Dubai, United Arab Emirates

• Average high temperature in September: 38.9°C

The warmest month (with the highest average high temperature) is August (41.3°C).
The month with the lowest average high temperature is January (24°C).

• Average low temperature in September: 27.5°C

The month with the highest average low temperature is August (30.2°C).
The coldest month (with the lowest average low temperature) is January (14.3°C).

• Average humidity in September: 60%

Months with the highest relative humidity are January and February (65%).
The month with the lowest relative humidity is May (53%).

• Average rainfall in September: 0mm

The wettest month (with the highest rainfall) is February (25mm).
Driest months (with the lowest rainfall) are June, August and September (0mm).

• Average rainfall days in September: 0.1 days

The month with the highest number of rainy days is March (5.8 days).
The month with the lowest number of rainy days is June (0 days).

• Average sea temperature in September: 33.2°C

The best month for swimming (with the highest average sea temperature) is August (33.5°C).
The coldest month (with the lowest average sea temperature) is February (21.9°C).

• Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).

• Average sunshine in September: 10.3h

The month with most sunshine is June (Average sunshine: 11.4h).
Months with least sunshine are January, February, March and December (Average sunshine: 8.2).

• Average UV index in September: 11

Months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 5).