Shenandoah weather in September
In September, Shenandoah sees average daytime highs of 87°F and overnight lows near 69°F, with 4.1 in of rain across 11.2 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.
Highs ease over the month, from about 89°F in the first days to 85°F by the end. The sky is clear or mostly clear about 42% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 h 36 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Shenandoah's 3rd-clearest and 9th-windiest month. For the whole year in context, see Shenandoah's year-round climate.
- Daytime high
- 87°
- 4th warmest
- Overnight low
- 69°
- 9th coldest
- Rainfall
- 4.1 in
- 11.2 wet days
- Daylight
- 12 h 12 min
- 5:53 AM – 6:04 PM
- Cloud cover
- 51%
- 3rd clearest
- Wind
- 5 mph
- 9th windiest
- Solar energy
- 4.94 kWh/m²
- Travel score
- 4.6
- out of 10
Shenandoah is unincorporated suburban community and census-designated place in East Batonn Rouge Parish, Louisiana, United States.
- Density
- 1,136/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 89°F in the first days to 85°F by the end.
A typical September day in Shenandoah reaches about 87°F in the afternoon and slips back to 69°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 93°F. Set against its neighbours, September runs about 3°F cooler than August and about 8°F warmer than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 86 | 86 | 86 | 86 | 85 | 85 | 85 | 85 | 84 |
| Avg low (°F) | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 67 | 67 | 67 | 66 | 66 | 65 | 65 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 89 | 72 |
| 2 | 89 | 72 |
| 3 | 89 | 72 |
| 4 | 89 | 72 |
| 5 | 89 | 72 |
| 6 | 89 | 71 |
| 7 | 89 | 71 |
| 8 | 89 | 71 |
| 9 | 89 | 71 |
| 10 | 88 | 71 |
| 11 | 88 | 71 |
| 12 | 88 | 71 |
| 13 | 88 | 70 |
| 14 | 88 | 70 |
| 15 | 88 | 70 |
| 16 | 88 | 70 |
| 17 | 87 | 69 |
| 18 | 87 | 69 |
| 19 | 87 | 69 |
| 20 | 87 | 69 |
| 21 | 87 | 68 |
| 22 | 86 | 68 |
| 23 | 86 | 68 |
| 24 | 86 | 67 |
| 25 | 86 | 67 |
| 26 | 85 | 67 |
| 27 | 85 | 66 |
| 28 | 85 | 66 |
| 29 | 85 | 65 |
| 30 | 84 | 65 |
How September really feels in Shenandoah
Once humidity and wind are folded in, September averages 20 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Shenandoah weather by month
How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 61° / 43° | 4.9 | 9.4 | 10.3 | 5.2 |
| Feb | 65° / 46° | 4.5 | 9.2 | 10.9 | 5.9 |
| Mar | 71° / 52° | 4.7 | 9.8 | 11.8 | 6.7 |
| Apr | 78° / 58° | 4.6 | 9 | 12.7 | 7.0 |
| May | 85° / 66° | 4.3 | 9.8 | 13.5 | 5.5 |
| Jun | 89° / 72° | 4.9 | 14.3 | 13.9 | 3.8 |
| Jul | 90° / 74° | 5.5 | 17.8 | 13.8 | 3.1 |
| Aug | 91° / 74° | 5.5 | 16.6 | 13.1 | 3.2 |
| Sep | 87° / 69° | 4.1 | 11.2 | 12.2 | 4.6 |
| Oct | 80° / 59° | 3.6 | 7.7 | 11.3 | 7.1 |
| Nov | 70° / 49° | 3.6 | 7.8 | 10.5 | 7.1 |
| Dec | 63° / 45° | 4.4 | 9.2 | 10.1 | 5.8 |
Cloud cover in September
The sky is clear or mostly clear about 42% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 49 | 49 | 51 | 52 | 53 | 54 | 55 | 55 | 56 | 57 | 58 | 58 | 58 | 59 | 59 | 60 | 60 | 60 | 61 | 61 | 62 | 62 | 63 | 64 | 64 | 65 | 65 | 65 | 65 | 65 |
| Cloudier (%) | 51 | 51 | 49 | 48 | 47 | 46 | 45 | 45 | 44 | 43 | 42 | 42 | 42 | 41 | 41 | 40 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 35 | 35 | 35 | 35 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 51 | 49 |
| 4 | 52 | 48 |
| 5 | 53 | 47 |
| 6 | 54 | 46 |
| 7 | 55 | 45 |
| 8 | 55 | 45 |
| 9 | 56 | 44 |
| 10 | 57 | 43 |
| 11 | 58 | 42 |
| 12 | 58 | 42 |
| 13 | 58 | 42 |
| 14 | 59 | 41 |
| 15 | 59 | 41 |
| 16 | 60 | 40 |
| 17 | 60 | 40 |
| 18 | 60 | 40 |
| 19 | 61 | 39 |
| 20 | 61 | 39 |
| 21 | 62 | 38 |
| 22 | 62 | 38 |
| 23 | 63 | 37 |
| 24 | 64 | 36 |
| 25 | 64 | 36 |
| 26 | 65 | 35 |
| 27 | 65 | 35 |
| 28 | 65 | 35 |
| 29 | 65 | 35 |
| 30 | 65 | 35 |
Chance of precipitation in September
Shenandoah gets around 4.1 in of rain over 11.2 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 38% and peaks near 48% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 48 | 47 | 47 | 46 | 46 | 45 | 44 | 43 | 42 | 42 | 41 | 40 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 29 | 28 | 27 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 48 |
| 2 | 47 |
| 3 | 47 |
| 4 | 46 |
| 5 | 46 |
| 6 | 45 |
| 7 | 44 |
| 8 | 43 |
| 9 | 42 |
| 10 | 42 |
| 11 | 41 |
| 12 | 40 |
| 13 | 40 |
| 14 | 39 |
| 15 | 39 |
| 16 | 38 |
| 17 | 37 |
| 18 | 37 |
| 19 | 36 |
| 20 | 35 |
| 21 | 34 |
| 22 | 33 |
| 23 | 32 |
| 24 | 31 |
| 25 | 30 |
| 26 | 29 |
| 27 | 29 |
| 28 | 28 |
| 29 | 27 |
| 30 | 27 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 13 | 14 | 15 | 16 | 18 | 19 | 20 |
| Comfortable (%) | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 |
| Humid (%) | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 |
| Muggy (%) | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 18 | 19 | 20 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 |
| Oppressive (%) | 60 | 59 | 59 | 60 | 58 | 58 | 58 | 57 | 55 | 55 | 55 | 54 | 52 | 51 | 49 | 48 | 46 | 44 | 42 | 41 | 39 | 38 | 36 | 35 | 33 | 32 | 31 | 29 | 28 | 28 |
| Miserable (%) | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 7 | 14 | 60 | 16 |
| 2 | 1 | 3 | 8 | 14 | 59 | 15 |
| 3 | 1 | 3 | 8 | 15 | 59 | 14 |
| 4 | 1 | 3 | 8 | 15 | 60 | 13 |
| 5 | 1 | 4 | 9 | 16 | 58 | 12 |
| 6 | 1 | 4 | 9 | 16 | 58 | 12 |
| 7 | 1 | 4 | 9 | 17 | 58 | 11 |
| 8 | 1 | 5 | 9 | 18 | 57 | 10 |
| 9 | 2 | 5 | 9 | 19 | 55 | 10 |
| 10 | 2 | 5 | 9 | 20 | 55 | 9 |
| 11 | 2 | 5 | 9 | 20 | 55 | 9 |
| 12 | 3 | 5 | 9 | 21 | 54 | 8 |
| 13 | 3 | 5 | 10 | 22 | 52 | 8 |
| 14 | 3 | 5 | 10 | 23 | 51 | 8 |
| 15 | 4 | 5 | 10 | 24 | 49 | 8 |
| 16 | 4 | 5 | 10 | 25 | 48 | 8 |
| 17 | 5 | 5 | 11 | 26 | 46 | 8 |
| 18 | 6 | 5 | 11 | 27 | 44 | 7 |
| 19 | 7 | 5 | 11 | 27 | 42 | 7 |
| 20 | 8 | 5 | 12 | 28 | 41 | 7 |
| 21 | 9 | 5 | 12 | 28 | 39 | 6 |
| 22 | 10 | 5 | 13 | 28 | 38 | 6 |
| 23 | 12 | 6 | 13 | 28 | 36 | 6 |
| 24 | 13 | 6 | 14 | 28 | 35 | 5 |
| 25 | 14 | 6 | 14 | 27 | 33 | 5 |
| 26 | 15 | 7 | 14 | 27 | 32 | 4 |
| 27 | 16 | 7 | 15 | 27 | 31 | 4 |
| 28 | 18 | 8 | 15 | 26 | 29 | 4 |
| 29 | 19 | 8 | 15 | 26 | 28 | 3 |
| 30 | 20 | 9 | 15 | 25 | 28 | 3 |
Wind in September
Winds average 5 mph in September.
Across September, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 36 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 54 minutes over September. Sunrise moves from 5:44 AM to 6:01 AM, and sunset from 6:23 PM to 5:46 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.7 |
| Sunrise (AM) | 5:44 | 5:45 | 5:45 | 5:46 | 5:47 | 5:47 | 5:48 | 5:48 | 5:49 | 5:49 | 5:50 | 5:51 | 5:51 | 5:52 | 5:52 | 5:53 | 5:53 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:01 | 6:01 |
| Sunset (PM) | 6:23 | 6:22 | 6:21 | 6:19 | 6:18 | 6:17 | 6:16 | 6:14 | 6:13 | 6:12 | 6:10 | 6:09 | 6:08 | 6:06 | 6:05 | 6:04 | 6:02 | 6:01 | 6:00 | 5:58 | 5:57 | 5:56 | 5:55 | 5:53 | 5:52 | 5:51 | 5:49 | 5:48 | 5:47 | 5:46 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.6 | 5:44 | 6:23 |
| 2 | 12.6 | 5:45 | 6:22 |
| 3 | 12.6 | 5:45 | 6:21 |
| 4 | 12.6 | 5:46 | 6:19 |
| 5 | 12.5 | 5:47 | 6:18 |
| 6 | 12.5 | 5:47 | 6:17 |
| 7 | 12.5 | 5:48 | 6:16 |
| 8 | 12.4 | 5:48 | 6:14 |
| 9 | 12.4 | 5:49 | 6:13 |
| 10 | 12.4 | 5:49 | 6:12 |
| 11 | 12.3 | 5:50 | 6:10 |
| 12 | 12.3 | 5:51 | 6:09 |
| 13 | 12.3 | 5:51 | 6:08 |
| 14 | 12.2 | 5:52 | 6:06 |
| 15 | 12.2 | 5:52 | 6:05 |
| 16 | 12.2 | 5:53 | 6:04 |
| 17 | 12.1 | 5:53 | 6:02 |
| 18 | 12.1 | 5:54 | 6:01 |
| 19 | 12.1 | 5:55 | 6:00 |
| 20 | 12.1 | 5:55 | 5:58 |
| 21 | 12.0 | 5:56 | 5:57 |
| 22 | 12.0 | 5:56 | 5:56 |
| 23 | 12.0 | 5:57 | 5:55 |
| 24 | 11.9 | 5:58 | 5:53 |
| 25 | 11.9 | 5:58 | 5:52 |
| 26 | 11.9 | 5:59 | 5:51 |
| 27 | 11.8 | 5:59 | 5:49 |
| 28 | 11.8 | 6:00 | 5:48 |
| 29 | 11.8 | 6:01 | 5:47 |
| 30 | 11.7 | 6:01 | 5:46 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.94 kWh/m².
For context, solar energy here swings from a low near 2.63 kWh/m² to a high of 6.16 kWh/m² in May across the year — September's 4.94 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.1 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.0 | Bright |
| 10 | 5.0 | Bright |
| 11 | 5.0 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.0 | Bright |
| 15 | 4.9 | Bright |
| 16 | 4.9 | Bright |
| 17 | 4.9 | Bright |
| 18 | 4.9 | Bright |
| 19 | 4.9 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.8 | Bright |
| 24 | 4.8 | Bright |
| 25 | 4.8 | Bright |
| 26 | 4.8 | Bright |
| 27 | 4.8 | Bright |
| 28 | 4.7 | Bright |
| 29 | 4.7 | Bright |
| 30 | 4.7 | Bright |
Hazard calendar for Shenandoah
In September, Shenandoah sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Shenandoah sits in the Atlantic hurricane belt; the season peaks August–October.
Is September a good time to visit Shenandoah?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Shenandoah for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Shenandoah in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Shenandoah sees daytime highs around 87°F and nights near 69°F. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.
Sea temperature near Shenandoah in September
The nearest coast averages about 83°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 42 mi away) is warmest in August at about 86°F and coldest in January near 58°F.
It's comfortable for a long swim from Apr 5 to Nov 14 — about 7.4 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 58 | 58 | 64 | 71 | 78 | 84 | 86 | 86 | 83 | 76 | 67 | 61 |
| Comfort | Bracing | Bracing | Cool | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Cool | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 58 | Bracing |
| Feb | 58 | Bracing |
| Mar | 64 | Cool |
| Apr | 71 | Refreshing |
| May | 78 | Warm |
| Jun | 84 | Tropical |
| Jul | 86 | Tropical |
| Aug | 86 | Tropical |
| Sep | 83 | Tropical |
| Oct | 76 | Warm |
| Nov | 67 | Cool |
| Dec | 61 | Cool |
UV index in Shenandoah in September
Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Shenandoah peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 6 | 6 | 10 | 10 | 10 | 10 | 9 | 9 | 6 | 5 | 4 |
| Level | Moderate | High | High | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 6 | High |
| Apr | 10 | Very high |
| May | 10 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Shenandoah in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Shenandoah is worst in July — around 24 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 12 | 12 | 15 | 19 | 24 | 19 | 14 | 11 | 9 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 12 | Good |
| Apr | 12 | Good |
| May | 15 | Moderate |
| Jun | 19 | Moderate |
| Jul | 24 | Moderate |
| Aug | 19 | Moderate |
| Sep | 14 | Moderate |
| Oct | 11 | Good |
| Nov | 9 | Good |
| Dec | 8 | Good |
Where is Shenandoah?
Shenandoah sits at 30.4°N, 91.0°W, 39 ft above sea level, in United States. The nearest listed city is Prairieville, 6.8 mi away.
Topography around Shenandoah
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Shenandoah.
Within 2 miles, the terrain around Shenandoah has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 46 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 141 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 466 ft.
The land around Shenandoah is covered by trees (62%) and artificial surfaces (20%) within 2 miles, trees (65%) within 10 miles, and trees (70%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Shenandoah (30.4013°, -91.0009°, elevation 39 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).