UV Index in Say, Niger

Last updated: July 2, 2025

In Say, Niger, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With the climate classified as BSh, residents and visitors are exposed to varying levels of ultraviolet radiation throughout the day. The UV Index can soar to a peak of 13 around midday, indicating extreme risk of harm from unprotected sun exposure. By staying informed about these UV levels, individuals can take proactive measures to protect themselves, ensuring a safer and healthier experience under the Saharan sun.

Hourly UV Index in Say

The UV Index displays a dynamic pattern throughout the day, starting with a gentle level 1 at 7:00 AM and 8:00 AM, perfect for early risers. As the sun climbs higher, the intensity increases sharply, peaking at a striking 12 around noon and reaching its zenith at 1 PM with an impressive 13. From that point, the index gradually declines, dropping to 6 by 4 PM, and then further down to a softer 3 by 5 PM. By evening, it returns to 1 at 6 PM, inviting a sense of relief as the day winds down. This data emphasizes the importance of sun safety, especially during those peak hours when the UV Index is at its highest.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Say

The UV Index demonstrates significant seasonal changes, with extreme exposure levels from January to September, peaking in August at an index of 14. High-risk months for UV exposure include March through August, when the burn time remains critically low at just 10 minutes. As the year progresses, October to December sees a slight decrease in UV intensity, transitioning to a very high category in November and December, where burn time extends to 15 minutes. It’s essential for visitors and residents to take precautions during these months, such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially during midday hours, to minimize the risk of skin damage.

Monthly Maximum UV Index for Say, Niger

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Say. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Say, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Say UV Index with Other Niger Cities

The table above highlights how UV exposure in Say compares to other major locations across Niger. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Say's solar exposure compared to other cities in Niger. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Alaghsas UVI	9	10	11	13	12	12	11	12	11	10	9	8
Agadez UVI	9	10	11	13	12	12	11	12	11	10	9	8
Maradi UVI	10	11	13	12	11	11	13	13	12	11	10	10
Niamey UVI	10	12	13	12	11	12	13	13	12	11	10	9
Zinder UVI	10	11	13	13	12	12	13	13	12	11	10	10
Say	11	12	13	12	12	12	13	14	12	11	10	10