Lanham Weather in September

Thinking of visiting Lanham in September? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 16°C (61°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Lanham in September

You can typically expect 9 days of rain this month, averaging around 106 mm (4.2 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Lanham in September

September in Lanham brings high temperatures, with highs of 27°C (81°F) and nights around 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Lanham in September

The city usually sees around 225 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Lanham in September

Wind speeds average 4 m/s (8 knots) during September. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

If your ideal day consists of dry skies and pleasant temperatures, April, May, June, September and October typically offer the best circumstances for Lanham.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Lanham's climate page.

Lanham Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 30%  

Precipitation 106 mm (4.2 in)  

Rainy days 9 days  

Humidity 68% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 225 hours *  

Percentage Sunshine 60% *  

* Data from: Washington DC, the United States of America (19 KM, 12 Miles).

What to Wear in Lanham in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Lanham in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Lanham's climate page.

More climate data for Lanham

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Lanham climate overview or explore weather in the United States of America.