Hypothyroidism caused by Hashimoto's thyroiditis is treated with thyroid hormone replacement agents such as levothyroxine, triiodothyronine or desiccated thyroid extract. A tablet taken once a day generally keeps the thyroid hormone levels normal.
September deserves to be a more popular time to visit Iceland. Though youâll miss out on seeing the sun high in the sky well past 10pm (sunset is around 7:30pm and the sun rises around 6:30am), temperatures are still quite nice, with average temps between 10.1Â°C (50 Â°F) and 5Â°C (41 Â°F) throughout the month, and prices are lower and crowds are fewer.
It is hard to predict now what the weather will be like in September. The average temperature is around 15-18Â°C. It's best to check the weather forecast a few days before you'll arrive. Apart from an umbrella or rain jacket you should pack a couple of t-shirts as well as a warm jumper.